feat(store): integrate postgres with ent for domain management

.env.example

@@ -3,6 +3,12 @@
 # 이 파일을 복사해서 `.env` 로 이름을 바꾼 뒤 값을 채워서 사용하세요.
 # internal/config 패키지의 LoadServerConfigFromEnv / LoadClientConfigFromEnv 가
 # .env를 먼저 읽고, 이후 환경변수로부터 설정을 구성합니다.
+#
+# Server-side PostgreSQL connection for admin/domain management uses:
+#   HOP_DB_DSN
+#   HOP_DB_MAX_OPEN_CONNS
+#   HOP_DB_MAX_IDLE_CONNS
+#   HOP_DB_CONN_MAX_LIFETIME
 
 # ---- Logging / Loki ----
 
@@ -49,6 +55,23 @@ HOP_SERVER_PROXY_DOMAINS=api.example.com,edge.example.com
 # 1. self signed localhost cert 사용여부 (debug: true -> 사용)
 HOP_SERVER_DEBUG=true
 
+# ---- PostgreSQL (server-side) ----
+#
+# PostgreSQL DSN (required), e.g.:
+#   postgres://user:pass@localhost:5432/hopgate?sslmode=disable
+HOP_DB_DSN=postgres://user:pass@localhost:5432/hopgate?sslmode=disable
+
+# Maximum number of open connections (optional, default: 10)
+#HOP_DB_MAX_OPEN_CONNS=10
+
+# Maximum number of idle connections (optional, default: 5)
+#HOP_DB_MAX_IDLE_CONNS=5
+
+# Connection max lifetime (optional, default: 30m)
+# e.g. "30m", "1h"
+#HOP_DB_CONN_MAX_LIFETIME=30m
+
+
 # ---- Client settings ----
 
 # DTLS 서버 주소 (host:port)

cmd/server/main.go

@@ -8,6 +8,7 @@ import (
 	"github.com/dalbodeule/hop-gate/internal/config"
 	"github.com/dalbodeule/hop-gate/internal/dtls"
 	"github.com/dalbodeule/hop-gate/internal/logging"
+	"github.com/dalbodeule/hop-gate/internal/store"
 )
 
 func main() {
@@ -31,7 +32,22 @@ func main() {
 		"debug":        cfg.Debug,
 	})
 
-	// 2. DTLS 서버 리스너 생성 (pion/dtls 기반)
+	// 2. PostgreSQL 연결 및 스키마 초기화 (ent 기반)
+	ctx := context.Background()
+	dbClient, err := store.OpenPostgresFromEnv(ctx, logger)
+	if err != nil {
+		logger.Error("failed to init postgres for admin/domain store", logging.Fields{
+			"error": err.Error(),
+		})
+		os.Exit(1)
+	}
+	defer dbClient.Close()
+
+	logger.Info("postgres connected and schema ready", logging.Fields{
+		"component": "store",
+	})
+
+	// 3. DTLS 서버 리스너 생성 (pion/dtls 기반)
 	//
 	// Debug 모드일 때는 self-signed localhost 인증서를 사용해 테스트 할 수 있도록
 	// internal/dtls.NewSelfSignedLocalhostConfig() 를 사용합니다.
@@ -76,8 +92,6 @@ func main() {
 		Logger: logger,
 	}
 
-	ctx := context.Background()
-
 	// 4. DTLS Accept 루프 + Handshake
 	for {
 		sess, err := dtlsServer.Accept()

ent/client.go

@@ -0,0 +1,341 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"log"
+	"reflect"
+
+	"github.com/dalbodeule/hop-gate/ent/migrate"
+	"github.com/google/uuid"
+
+	"entgo.io/ent"
+	"entgo.io/ent/dialect"
+	"entgo.io/ent/dialect/sql"
+	"github.com/dalbodeule/hop-gate/ent/domain"
+)
+
+// Client is the client that holds all ent builders.
+type Client struct {
+	config
+	// Schema is the client for creating, migrating and dropping schema.
+	Schema *migrate.Schema
+	// Domain is the client for interacting with the Domain builders.
+	Domain *DomainClient
+}
+
+// NewClient creates a new client configured with the given options.
+func NewClient(opts ...Option) *Client {
+	client := &Client{config: newConfig(opts...)}
+	client.init()
+	return client
+}
+
+func (c *Client) init() {
+	c.Schema = migrate.NewSchema(c.driver)
+	c.Domain = NewDomainClient(c.config)
+}
+
+type (
+	// config is the configuration for the client and its builder.
+	config struct {
+		// driver used for executing database requests.
+		driver dialect.Driver
+		// debug enable a debug logging.
+		debug bool
+		// log used for logging on debug mode.
+		log func(...any)
+		// hooks to execute on mutations.
+		hooks *hooks
+		// interceptors to execute on queries.
+		inters *inters
+	}
+	// Option function to configure the client.
+	Option func(*config)
+)
+
+// newConfig creates a new config for the client.
+func newConfig(opts ...Option) config {
+	cfg := config{log: log.Println, hooks: &hooks{}, inters: &inters{}}
+	cfg.options(opts...)
+	return cfg
+}
+
+// options applies the options on the config object.
+func (c *config) options(opts ...Option) {
+	for _, opt := range opts {
+		opt(c)
+	}
+	if c.debug {
+		c.driver = dialect.Debug(c.driver, c.log)
+	}
+}
+
+// Debug enables debug logging on the ent.Driver.
+func Debug() Option {
+	return func(c *config) {
+		c.debug = true
+	}
+}
+
+// Log sets the logging function for debug mode.
+func Log(fn func(...any)) Option {
+	return func(c *config) {
+		c.log = fn
+	}
+}
+
+// Driver configures the client driver.
+func Driver(driver dialect.Driver) Option {
+	return func(c *config) {
+		c.driver = driver
+	}
+}
+
+// Open opens a database/sql.DB specified by the driver name and
+// the data source name, and returns a new client attached to it.
+// Optional parameters can be added for configuring the client.
+func Open(driverName, dataSourceName string, options ...Option) (*Client, error) {
+	switch driverName {
+	case dialect.MySQL, dialect.Postgres, dialect.SQLite:
+		drv, err := sql.Open(driverName, dataSourceName)
+		if err != nil {
+			return nil, err
+		}
+		return NewClient(append(options, Driver(drv))...), nil
+	default:
+		return nil, fmt.Errorf("unsupported driver: %q", driverName)
+	}
+}
+
+// ErrTxStarted is returned when trying to start a new transaction from a transactional client.
+var ErrTxStarted = errors.New("ent: cannot start a transaction within a transaction")
+
+// Tx returns a new transactional client. The provided context
+// is used until the transaction is committed or rolled back.
+func (c *Client) Tx(ctx context.Context) (*Tx, error) {
+	if _, ok := c.driver.(*txDriver); ok {
+		return nil, ErrTxStarted
+	}
+	tx, err := newTx(ctx, c.driver)
+	if err != nil {
+		return nil, fmt.Errorf("ent: starting a transaction: %w", err)
+	}
+	cfg := c.config
+	cfg.driver = tx
+	return &Tx{
+		ctx:    ctx,
+		config: cfg,
+		Domain: NewDomainClient(cfg),
+	}, nil
+}
+
+// BeginTx returns a transactional client with specified options.
+func (c *Client) BeginTx(ctx context.Context, opts *sql.TxOptions) (*Tx, error) {
+	if _, ok := c.driver.(*txDriver); ok {
+		return nil, errors.New("ent: cannot start a transaction within a transaction")
+	}
+	tx, err := c.driver.(interface {
+		BeginTx(context.Context, *sql.TxOptions) (dialect.Tx, error)
+	}).BeginTx(ctx, opts)
+	if err != nil {
+		return nil, fmt.Errorf("ent: starting a transaction: %w", err)
+	}
+	cfg := c.config
+	cfg.driver = &txDriver{tx: tx, drv: c.driver}
+	return &Tx{
+		ctx:    ctx,
+		config: cfg,
+		Domain: NewDomainClient(cfg),
+	}, nil
+}
+
+// Debug returns a new debug-client. It's used to get verbose logging on specific operations.
+//
+//	client.Debug().
+//		Domain.
+//		Query().
+//		Count(ctx)
+func (c *Client) Debug() *Client {
+	if c.debug {
+		return c
+	}
+	cfg := c.config
+	cfg.driver = dialect.Debug(c.driver, c.log)
+	client := &Client{config: cfg}
+	client.init()
+	return client
+}
+
+// Close closes the database connection and prevents new queries from starting.
+func (c *Client) Close() error {
+	return c.driver.Close()
+}
+
+// Use adds the mutation hooks to all the entity clients.
+// In order to add hooks to a specific client, call: `client.Node.Use(...)`.
+func (c *Client) Use(hooks ...Hook) {
+	c.Domain.Use(hooks...)
+}
+
+// Intercept adds the query interceptors to all the entity clients.
+// In order to add interceptors to a specific client, call: `client.Node.Intercept(...)`.
+func (c *Client) Intercept(interceptors ...Interceptor) {
+	c.Domain.Intercept(interceptors...)
+}
+
+// Mutate implements the ent.Mutator interface.
+func (c *Client) Mutate(ctx context.Context, m Mutation) (Value, error) {
+	switch m := m.(type) {
+	case *DomainMutation:
+		return c.Domain.mutate(ctx, m)
+	default:
+		return nil, fmt.Errorf("ent: unknown mutation type %T", m)
+	}
+}
+
+// DomainClient is a client for the Domain schema.
+type DomainClient struct {
+	config
+}
+
+// NewDomainClient returns a client for the Domain from the given config.
+func NewDomainClient(c config) *DomainClient {
+	return &DomainClient{config: c}
+}
+
+// Use adds a list of mutation hooks to the hooks stack.
+// A call to `Use(f, g, h)` equals to `domain.Hooks(f(g(h())))`.
+func (c *DomainClient) Use(hooks ...Hook) {
+	c.hooks.Domain = append(c.hooks.Domain, hooks...)
+}
+
+// Intercept adds a list of query interceptors to the interceptors stack.
+// A call to `Intercept(f, g, h)` equals to `domain.Intercept(f(g(h())))`.
+func (c *DomainClient) Intercept(interceptors ...Interceptor) {
+	c.inters.Domain = append(c.inters.Domain, interceptors...)
+}
+
+// Create returns a builder for creating a Domain entity.
+func (c *DomainClient) Create() *DomainCreate {
+	mutation := newDomainMutation(c.config, OpCreate)
+	return &DomainCreate{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// CreateBulk returns a builder for creating a bulk of Domain entities.
+func (c *DomainClient) CreateBulk(builders ...*DomainCreate) *DomainCreateBulk {
+	return &DomainCreateBulk{config: c.config, builders: builders}
+}
+
+// MapCreateBulk creates a bulk creation builder from the given slice. For each item in the slice, the function creates
+// a builder and applies setFunc on it.
+func (c *DomainClient) MapCreateBulk(slice any, setFunc func(*DomainCreate, int)) *DomainCreateBulk {
+	rv := reflect.ValueOf(slice)
+	if rv.Kind() != reflect.Slice {
+		return &DomainCreateBulk{err: fmt.Errorf("calling to DomainClient.MapCreateBulk with wrong type %T, need slice", slice)}
+	}
+	builders := make([]*DomainCreate, rv.Len())
+	for i := 0; i < rv.Len(); i++ {
+		builders[i] = c.Create()
+		setFunc(builders[i], i)
+	}
+	return &DomainCreateBulk{config: c.config, builders: builders}
+}
+
+// Update returns an update builder for Domain.
+func (c *DomainClient) Update() *DomainUpdate {
+	mutation := newDomainMutation(c.config, OpUpdate)
+	return &DomainUpdate{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// UpdateOne returns an update builder for the given entity.
+func (c *DomainClient) UpdateOne(_m *Domain) *DomainUpdateOne {
+	mutation := newDomainMutation(c.config, OpUpdateOne, withDomain(_m))
+	return &DomainUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// UpdateOneID returns an update builder for the given id.
+func (c *DomainClient) UpdateOneID(id uuid.UUID) *DomainUpdateOne {
+	mutation := newDomainMutation(c.config, OpUpdateOne, withDomainID(id))
+	return &DomainUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// Delete returns a delete builder for Domain.
+func (c *DomainClient) Delete() *DomainDelete {
+	mutation := newDomainMutation(c.config, OpDelete)
+	return &DomainDelete{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// DeleteOne returns a builder for deleting the given entity.
+func (c *DomainClient) DeleteOne(_m *Domain) *DomainDeleteOne {
+	return c.DeleteOneID(_m.ID)
+}
+
+// DeleteOneID returns a builder for deleting the given entity by its id.
+func (c *DomainClient) DeleteOneID(id uuid.UUID) *DomainDeleteOne {
+	builder := c.Delete().Where(domain.ID(id))
+	builder.mutation.id = &id
+	builder.mutation.op = OpDeleteOne
+	return &DomainDeleteOne{builder}
+}
+
+// Query returns a query builder for Domain.
+func (c *DomainClient) Query() *DomainQuery {
+	return &DomainQuery{
+		config: c.config,
+		ctx:    &QueryContext{Type: TypeDomain},
+		inters: c.Interceptors(),
+	}
+}
+
+// Get returns a Domain entity by its id.
+func (c *DomainClient) Get(ctx context.Context, id uuid.UUID) (*Domain, error) {
+	return c.Query().Where(domain.ID(id)).Only(ctx)
+}
+
+// GetX is like Get, but panics if an error occurs.
+func (c *DomainClient) GetX(ctx context.Context, id uuid.UUID) *Domain {
+	obj, err := c.Get(ctx, id)
+	if err != nil {
+		panic(err)
+	}
+	return obj
+}
+
+// Hooks returns the client hooks.
+func (c *DomainClient) Hooks() []Hook {
+	return c.hooks.Domain
+}
+
+// Interceptors returns the client interceptors.
+func (c *DomainClient) Interceptors() []Interceptor {
+	return c.inters.Domain
+}
+
+func (c *DomainClient) mutate(ctx context.Context, m *DomainMutation) (Value, error) {
+	switch m.Op() {
+	case OpCreate:
+		return (&DomainCreate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpUpdate:
+		return (&DomainUpdate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpUpdateOne:
+		return (&DomainUpdateOne{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpDelete, OpDeleteOne:
+		return (&DomainDelete{config: c.config, hooks: c.Hooks(), mutation: m}).Exec(ctx)
+	default:
+		return nil, fmt.Errorf("ent: unknown Domain mutation op: %q", m.Op())
+	}
+}
+
+// hooks and interceptors per client, for fast access.
+type (
+	hooks struct {
+		Domain []ent.Hook
+	}
+	inters struct {
+		Domain []ent.Interceptor
+	}
+)

ent/domain.go

@@ -0,0 +1,151 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"fmt"
+	"strings"
+	"time"
+
+	"entgo.io/ent"
+	"entgo.io/ent/dialect/sql"
+	"github.com/dalbodeule/hop-gate/ent/domain"
+	"github.com/google/uuid"
+)
+
+// Domain is the model entity for the Domain schema.
+type Domain struct {
+	config `json:"-"`
+	// ID of the ent.
+	ID uuid.UUID `json:"id,omitempty"`
+	// Domain holds the value of the "domain" field.
+	Domain string `json:"domain,omitempty"`
+	// ClientAPIKey holds the value of the "client_api_key" field.
+	ClientAPIKey string `json:"client_api_key,omitempty"`
+	// Memo holds the value of the "memo" field.
+	Memo string `json:"memo,omitempty"`
+	// CreatedAt holds the value of the "created_at" field.
+	CreatedAt time.Time `json:"created_at,omitempty"`
+	// UpdatedAt holds the value of the "updated_at" field.
+	UpdatedAt    time.Time `json:"updated_at,omitempty"`
+	selectValues sql.SelectValues
+}
+
+// scanValues returns the types for scanning values from sql.Rows.
+func (*Domain) scanValues(columns []string) ([]any, error) {
+	values := make([]any, len(columns))
+	for i := range columns {
+		switch columns[i] {
+		case domain.FieldDomain, domain.FieldClientAPIKey, domain.FieldMemo:
+			values[i] = new(sql.NullString)
+		case domain.FieldCreatedAt, domain.FieldUpdatedAt:
+			values[i] = new(sql.NullTime)
+		case domain.FieldID:
+			values[i] = new(uuid.UUID)
+		default:
+			values[i] = new(sql.UnknownType)
+		}
+	}
+	return values, nil
+}
+
+// assignValues assigns the values that were returned from sql.Rows (after scanning)
+// to the Domain fields.
+func (_m *Domain) assignValues(columns []string, values []any) error {
+	if m, n := len(values), len(columns); m < n {
+		return fmt.Errorf("mismatch number of scan values: %d != %d", m, n)
+	}
+	for i := range columns {
+		switch columns[i] {
+		case domain.FieldID:
+			if value, ok := values[i].(*uuid.UUID); !ok {
+				return fmt.Errorf("unexpected type %T for field id", values[i])
+			} else if value != nil {
+				_m.ID = *value
+			}
+		case domain.FieldDomain:
+			if value, ok := values[i].(*sql.NullString); !ok {
+				return fmt.Errorf("unexpected type %T for field domain", values[i])
+			} else if value.Valid {
+				_m.Domain = value.String
+			}
+		case domain.FieldClientAPIKey:
+			if value, ok := values[i].(*sql.NullString); !ok {
+				return fmt.Errorf("unexpected type %T for field client_api_key", values[i])
+			} else if value.Valid {
+				_m.ClientAPIKey = value.String
+			}
+		case domain.FieldMemo:
+			if value, ok := values[i].(*sql.NullString); !ok {
+				return fmt.Errorf("unexpected type %T for field memo", values[i])
+			} else if value.Valid {
+				_m.Memo = value.String
+			}
+		case domain.FieldCreatedAt:
+			if value, ok := values[i].(*sql.NullTime); !ok {
+				return fmt.Errorf("unexpected type %T for field created_at", values[i])
+			} else if value.Valid {
+				_m.CreatedAt = value.Time
+			}
+		case domain.FieldUpdatedAt:
+			if value, ok := values[i].(*sql.NullTime); !ok {
+				return fmt.Errorf("unexpected type %T for field updated_at", values[i])
+			} else if value.Valid {
+				_m.UpdatedAt = value.Time
+			}
+		default:
+			_m.selectValues.Set(columns[i], values[i])
+		}
+	}
+	return nil
+}
+
+// Value returns the ent.Value that was dynamically selected and assigned to the Domain.
+// This includes values selected through modifiers, order, etc.
+func (_m *Domain) Value(name string) (ent.Value, error) {
+	return _m.selectValues.Get(name)
+}
+
+// Update returns a builder for updating this Domain.
+// Note that you need to call Domain.Unwrap() before calling this method if this Domain
+// was returned from a transaction, and the transaction was committed or rolled back.
+func (_m *Domain) Update() *DomainUpdateOne {
+	return NewDomainClient(_m.config).UpdateOne(_m)
+}
+
+// Unwrap unwraps the Domain entity that was returned from a transaction after it was closed,
+// so that all future queries will be executed through the driver which created the transaction.
+func (_m *Domain) Unwrap() *Domain {
+	_tx, ok := _m.config.driver.(*txDriver)
+	if !ok {
+		panic("ent: Domain is not a transactional entity")
+	}
+	_m.config.driver = _tx.drv
+	return _m
+}
+
+// String implements the fmt.Stringer.
+func (_m *Domain) String() string {
+	var builder strings.Builder
+	builder.WriteString("Domain(")
+	builder.WriteString(fmt.Sprintf("id=%v, ", _m.ID))
+	builder.WriteString("domain=")
+	builder.WriteString(_m.Domain)
+	builder.WriteString(", ")
+	builder.WriteString("client_api_key=")
+	builder.WriteString(_m.ClientAPIKey)
+	builder.WriteString(", ")
+	builder.WriteString("memo=")
+	builder.WriteString(_m.Memo)
+	builder.WriteString(", ")
+	builder.WriteString("created_at=")
+	builder.WriteString(_m.CreatedAt.Format(time.ANSIC))
+	builder.WriteString(", ")
+	builder.WriteString("updated_at=")
+	builder.WriteString(_m.UpdatedAt.Format(time.ANSIC))
+	builder.WriteByte(')')
+	return builder.String()
+}
+
+// Domains is a parsable slice of Domain.
+type Domains []*Domain

ent/domain/domain.go

@@ -0,0 +1,99 @@
+// Code generated by ent, DO NOT EDIT.
+
+package domain
+
+import (
+	"time"
+
+	"entgo.io/ent/dialect/sql"
+	"github.com/google/uuid"
+)
+
+const (
+	// Label holds the string label denoting the domain type in the database.
+	Label = "domain"
+	// FieldID holds the string denoting the id field in the database.
+	FieldID = "id"
+	// FieldDomain holds the string denoting the domain field in the database.
+	FieldDomain = "domain"
+	// FieldClientAPIKey holds the string denoting the client_api_key field in the database.
+	FieldClientAPIKey = "client_api_key"
+	// FieldMemo holds the string denoting the memo field in the database.
+	FieldMemo = "memo"
+	// FieldCreatedAt holds the string denoting the created_at field in the database.
+	FieldCreatedAt = "created_at"
+	// FieldUpdatedAt holds the string denoting the updated_at field in the database.
+	FieldUpdatedAt = "updated_at"
+	// Table holds the table name of the domain in the database.
+	Table = "domains"
+)
+
+// Columns holds all SQL columns for domain fields.
+var Columns = []string{
+	FieldID,
+	FieldDomain,
+	FieldClientAPIKey,
+	FieldMemo,
+	FieldCreatedAt,
+	FieldUpdatedAt,
+}
+
+// ValidColumn reports if the column name is valid (part of the table columns).
+func ValidColumn(column string) bool {
+	for i := range Columns {
+		if column == Columns[i] {
+			return true
+		}
+	}
+	return false
+}
+
+var (
+	// DomainValidator is a validator for the "domain" field. It is called by the builders before save.
+	DomainValidator func(string) error
+	// ClientAPIKeyValidator is a validator for the "client_api_key" field. It is called by the builders before save.
+	ClientAPIKeyValidator func(string) error
+	// DefaultMemo holds the default value on creation for the "memo" field.
+	DefaultMemo string
+	// DefaultCreatedAt holds the default value on creation for the "created_at" field.
+	DefaultCreatedAt func() time.Time
+	// DefaultUpdatedAt holds the default value on creation for the "updated_at" field.
+	DefaultUpdatedAt func() time.Time
+	// UpdateDefaultUpdatedAt holds the default value on update for the "updated_at" field.
+	UpdateDefaultUpdatedAt func() time.Time
+	// DefaultID holds the default value on creation for the "id" field.
+	DefaultID func() uuid.UUID
+)
+
+// OrderOption defines the ordering options for the Domain queries.
+type OrderOption func(*sql.Selector)
+
+// ByID orders the results by the id field.
+func ByID(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldID, opts...).ToFunc()
+}
+
+// ByDomain orders the results by the domain field.
+func ByDomain(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldDomain, opts...).ToFunc()
+}
+
+// ByClientAPIKey orders the results by the client_api_key field.
+func ByClientAPIKey(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldClientAPIKey, opts...).ToFunc()
+}
+
+// ByMemo orders the results by the memo field.
+func ByMemo(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldMemo, opts...).ToFunc()
+}
+
+// ByCreatedAt orders the results by the created_at field.
+func ByCreatedAt(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldCreatedAt, opts...).ToFunc()
+}
+
+// ByUpdatedAt orders the results by the updated_at field.
+func ByUpdatedAt(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldUpdatedAt, opts...).ToFunc()
+}

ent/domain/where.go

@@ -0,0 +1,371 @@
+// Code generated by ent, DO NOT EDIT.
+
+package domain
+
+import (
+	"time"
+
+	"entgo.io/ent/dialect/sql"
+	"github.com/dalbodeule/hop-gate/ent/predicate"
+	"github.com/google/uuid"
+)
+
+// ID filters vertices based on their ID field.
+func ID(id uuid.UUID) predicate.Domain {
+	return predicate.Domain(sql.FieldEQ(FieldID, id))
+}
+
+// IDEQ applies the EQ predicate on the ID field.
+func IDEQ(id uuid.UUID) predicate.Domain {
+	return predicate.Domain(sql.FieldEQ(FieldID, id))
+}
+
+// IDNEQ applies the NEQ predicate on the ID field.
+func IDNEQ(id uuid.UUID) predicate.Domain {
+	return predicate.Domain(sql.FieldNEQ(FieldID, id))
+}
+
+// IDIn applies the In predicate on the ID field.
+func IDIn(ids ...uuid.UUID) predicate.Domain {
+	return predicate.Domain(sql.FieldIn(FieldID, ids...))
+}
+
+// IDNotIn applies the NotIn predicate on the ID field.
+func IDNotIn(ids ...uuid.UUID) predicate.Domain {
+	return predicate.Domain(sql.FieldNotIn(FieldID, ids...))
+}
+
+// IDGT applies the GT predicate on the ID field.
+func IDGT(id uuid.UUID) predicate.Domain {
+	return predicate.Domain(sql.FieldGT(FieldID, id))
+}
+
+// IDGTE applies the GTE predicate on the ID field.
+func IDGTE(id uuid.UUID) predicate.Domain {
+	return predicate.Domain(sql.FieldGTE(FieldID, id))
+}
+
+// IDLT applies the LT predicate on the ID field.
+func IDLT(id uuid.UUID) predicate.Domain {
+	return predicate.Domain(sql.FieldLT(FieldID, id))
+}
+
+// IDLTE applies the LTE predicate on the ID field.
+func IDLTE(id uuid.UUID) predicate.Domain {
+	return predicate.Domain(sql.FieldLTE(FieldID, id))
+}
+
+// Domain applies equality check predicate on the "domain" field. It's identical to DomainEQ.
+func Domain(v string) predicate.Domain {
+	return predicate.Domain(sql.FieldEQ(FieldDomain, v))
+}
+
+// ClientAPIKey applies equality check predicate on the "client_api_key" field. It's identical to ClientAPIKeyEQ.
+func ClientAPIKey(v string) predicate.Domain {
+	return predicate.Domain(sql.FieldEQ(FieldClientAPIKey, v))
+}
+
+// Memo applies equality check predicate on the "memo" field. It's identical to MemoEQ.
+func Memo(v string) predicate.Domain {
+	return predicate.Domain(sql.FieldEQ(FieldMemo, v))
+}
+
+// CreatedAt applies equality check predicate on the "created_at" field. It's identical to CreatedAtEQ.
+func CreatedAt(v time.Time) predicate.Domain {
+	return predicate.Domain(sql.FieldEQ(FieldCreatedAt, v))
+}
+
+// UpdatedAt applies equality check predicate on the "updated_at" field. It's identical to UpdatedAtEQ.
+func UpdatedAt(v time.Time) predicate.Domain {
+	return predicate.Domain(sql.FieldEQ(FieldUpdatedAt, v))
+}
+
+// DomainEQ applies the EQ predicate on the "domain" field.
+func DomainEQ(v string) predicate.Domain {
+	return predicate.Domain(sql.FieldEQ(FieldDomain, v))
+}
+
+// DomainNEQ applies the NEQ predicate on the "domain" field.
+func DomainNEQ(v string) predicate.Domain {
+	return predicate.Domain(sql.FieldNEQ(FieldDomain, v))
+}
+
+// DomainIn applies the In predicate on the "domain" field.
+func DomainIn(vs ...string) predicate.Domain {
+	return predicate.Domain(sql.FieldIn(FieldDomain, vs...))
+}
+
+// DomainNotIn applies the NotIn predicate on the "domain" field.
+func DomainNotIn(vs ...string) predicate.Domain {
+	return predicate.Domain(sql.FieldNotIn(FieldDomain, vs...))
+}
+
+// DomainGT applies the GT predicate on the "domain" field.
+func DomainGT(v string) predicate.Domain {
+	return predicate.Domain(sql.FieldGT(FieldDomain, v))
+}
+
+// DomainGTE applies the GTE predicate on the "domain" field.
+func DomainGTE(v string) predicate.Domain {
+	return predicate.Domain(sql.FieldGTE(FieldDomain, v))
+}
+
+// DomainLT applies the LT predicate on the "domain" field.
+func DomainLT(v string) predicate.Domain {
+	return predicate.Domain(sql.FieldLT(FieldDomain, v))
+}
+
+// DomainLTE applies the LTE predicate on the "domain" field.
+func DomainLTE(v string) predicate.Domain {
+	return predicate.Domain(sql.FieldLTE(FieldDomain, v))
+}
+
+// DomainContains applies the Contains predicate on the "domain" field.
+func DomainContains(v string) predicate.Domain {
+	return predicate.Domain(sql.FieldContains(FieldDomain, v))
+}
+
+// DomainHasPrefix applies the HasPrefix predicate on the "domain" field.
+func DomainHasPrefix(v string) predicate.Domain {
+	return predicate.Domain(sql.FieldHasPrefix(FieldDomain, v))
+}
+
+// DomainHasSuffix applies the HasSuffix predicate on the "domain" field.
+func DomainHasSuffix(v string) predicate.Domain {
+	return predicate.Domain(sql.FieldHasSuffix(FieldDomain, v))
+}
+
+// DomainEqualFold applies the EqualFold predicate on the "domain" field.
+func DomainEqualFold(v string) predicate.Domain {
+	return predicate.Domain(sql.FieldEqualFold(FieldDomain, v))
+}
+
+// DomainContainsFold applies the ContainsFold predicate on the "domain" field.
+func DomainContainsFold(v string) predicate.Domain {
+	return predicate.Domain(sql.FieldContainsFold(FieldDomain, v))
+}
+
+// ClientAPIKeyEQ applies the EQ predicate on the "client_api_key" field.
+func ClientAPIKeyEQ(v string) predicate.Domain {
+	return predicate.Domain(sql.FieldEQ(FieldClientAPIKey, v))
+}
+
+// ClientAPIKeyNEQ applies the NEQ predicate on the "client_api_key" field.
+func ClientAPIKeyNEQ(v string) predicate.Domain {
+	return predicate.Domain(sql.FieldNEQ(FieldClientAPIKey, v))
+}
+
+// ClientAPIKeyIn applies the In predicate on the "client_api_key" field.
+func ClientAPIKeyIn(vs ...string) predicate.Domain {
+	return predicate.Domain(sql.FieldIn(FieldClientAPIKey, vs...))
+}
+
+// ClientAPIKeyNotIn applies the NotIn predicate on the "client_api_key" field.
+func ClientAPIKeyNotIn(vs ...string) predicate.Domain {
+	return predicate.Domain(sql.FieldNotIn(FieldClientAPIKey, vs...))
+}
+
+// ClientAPIKeyGT applies the GT predicate on the "client_api_key" field.
+func ClientAPIKeyGT(v string) predicate.Domain {
+	return predicate.Domain(sql.FieldGT(FieldClientAPIKey, v))
+}
+
+// ClientAPIKeyGTE applies the GTE predicate on the "client_api_key" field.
+func ClientAPIKeyGTE(v string) predicate.Domain {
+	return predicate.Domain(sql.FieldGTE(FieldClientAPIKey, v))
+}
+
+// ClientAPIKeyLT applies the LT predicate on the "client_api_key" field.
+func ClientAPIKeyLT(v string) predicate.Domain {
+	return predicate.Domain(sql.FieldLT(FieldClientAPIKey, v))
+}
+
+// ClientAPIKeyLTE applies the LTE predicate on the "client_api_key" field.
+func ClientAPIKeyLTE(v string) predicate.Domain {
+	return predicate.Domain(sql.FieldLTE(FieldClientAPIKey, v))
+}
+
+// ClientAPIKeyContains applies the Contains predicate on the "client_api_key" field.
+func ClientAPIKeyContains(v string) predicate.Domain {
+	return predicate.Domain(sql.FieldContains(FieldClientAPIKey, v))
+}
+
+// ClientAPIKeyHasPrefix applies the HasPrefix predicate on the "client_api_key" field.
+func ClientAPIKeyHasPrefix(v string) predicate.Domain {
+	return predicate.Domain(sql.FieldHasPrefix(FieldClientAPIKey, v))
+}
+
+// ClientAPIKeyHasSuffix applies the HasSuffix predicate on the "client_api_key" field.
+func ClientAPIKeyHasSuffix(v string) predicate.Domain {
+	return predicate.Domain(sql.FieldHasSuffix(FieldClientAPIKey, v))
+}
+
+// ClientAPIKeyEqualFold applies the EqualFold predicate on the "client_api_key" field.
+func ClientAPIKeyEqualFold(v string) predicate.Domain {
+	return predicate.Domain(sql.FieldEqualFold(FieldClientAPIKey, v))
+}
+
+// ClientAPIKeyContainsFold applies the ContainsFold predicate on the "client_api_key" field.
+func ClientAPIKeyContainsFold(v string) predicate.Domain {
+	return predicate.Domain(sql.FieldContainsFold(FieldClientAPIKey, v))
+}
+
+// MemoEQ applies the EQ predicate on the "memo" field.
+func MemoEQ(v string) predicate.Domain {
+	return predicate.Domain(sql.FieldEQ(FieldMemo, v))
+}
+
+// MemoNEQ applies the NEQ predicate on the "memo" field.
+func MemoNEQ(v string) predicate.Domain {
+	return predicate.Domain(sql.FieldNEQ(FieldMemo, v))
+}
+
+// MemoIn applies the In predicate on the "memo" field.
+func MemoIn(vs ...string) predicate.Domain {
+	return predicate.Domain(sql.FieldIn(FieldMemo, vs...))
+}
+
+// MemoNotIn applies the NotIn predicate on the "memo" field.
+func MemoNotIn(vs ...string) predicate.Domain {
+	return predicate.Domain(sql.FieldNotIn(FieldMemo, vs...))
+}
+
+// MemoGT applies the GT predicate on the "memo" field.
+func MemoGT(v string) predicate.Domain {
+	return predicate.Domain(sql.FieldGT(FieldMemo, v))
+}
+
+// MemoGTE applies the GTE predicate on the "memo" field.
+func MemoGTE(v string) predicate.Domain {
+	return predicate.Domain(sql.FieldGTE(FieldMemo, v))
+}
+
+// MemoLT applies the LT predicate on the "memo" field.
+func MemoLT(v string) predicate.Domain {
+	return predicate.Domain(sql.FieldLT(FieldMemo, v))
+}
+
+// MemoLTE applies the LTE predicate on the "memo" field.
+func MemoLTE(v string) predicate.Domain {
+	return predicate.Domain(sql.FieldLTE(FieldMemo, v))
+}
+
+// MemoContains applies the Contains predicate on the "memo" field.
+func MemoContains(v string) predicate.Domain {
+	return predicate.Domain(sql.FieldContains(FieldMemo, v))
+}
+
+// MemoHasPrefix applies the HasPrefix predicate on the "memo" field.
+func MemoHasPrefix(v string) predicate.Domain {
+	return predicate.Domain(sql.FieldHasPrefix(FieldMemo, v))
+}
+
+// MemoHasSuffix applies the HasSuffix predicate on the "memo" field.
+func MemoHasSuffix(v string) predicate.Domain {
+	return predicate.Domain(sql.FieldHasSuffix(FieldMemo, v))
+}
+
+// MemoEqualFold applies the EqualFold predicate on the "memo" field.
+func MemoEqualFold(v string) predicate.Domain {
+	return predicate.Domain(sql.FieldEqualFold(FieldMemo, v))
+}
+
+// MemoContainsFold applies the ContainsFold predicate on the "memo" field.
+func MemoContainsFold(v string) predicate.Domain {
+	return predicate.Domain(sql.FieldContainsFold(FieldMemo, v))
+}
+
+// CreatedAtEQ applies the EQ predicate on the "created_at" field.
+func CreatedAtEQ(v time.Time) predicate.Domain {
+	return predicate.Domain(sql.FieldEQ(FieldCreatedAt, v))
+}
+
+// CreatedAtNEQ applies the NEQ predicate on the "created_at" field.
+func CreatedAtNEQ(v time.Time) predicate.Domain {
+	return predicate.Domain(sql.FieldNEQ(FieldCreatedAt, v))
+}
+
+// CreatedAtIn applies the In predicate on the "created_at" field.
+func CreatedAtIn(vs ...time.Time) predicate.Domain {
+	return predicate.Domain(sql.FieldIn(FieldCreatedAt, vs...))
+}
+
+// CreatedAtNotIn applies the NotIn predicate on the "created_at" field.
+func CreatedAtNotIn(vs ...time.Time) predicate.Domain {
+	return predicate.Domain(sql.FieldNotIn(FieldCreatedAt, vs...))
+}
+
+// CreatedAtGT applies the GT predicate on the "created_at" field.
+func CreatedAtGT(v time.Time) predicate.Domain {
+	return predicate.Domain(sql.FieldGT(FieldCreatedAt, v))
+}
+
+// CreatedAtGTE applies the GTE predicate on the "created_at" field.
+func CreatedAtGTE(v time.Time) predicate.Domain {
+	return predicate.Domain(sql.FieldGTE(FieldCreatedAt, v))
+}
+
+// CreatedAtLT applies the LT predicate on the "created_at" field.
+func CreatedAtLT(v time.Time) predicate.Domain {
+	return predicate.Domain(sql.FieldLT(FieldCreatedAt, v))
+}
+
+// CreatedAtLTE applies the LTE predicate on the "created_at" field.
+func CreatedAtLTE(v time.Time) predicate.Domain {
+	return predicate.Domain(sql.FieldLTE(FieldCreatedAt, v))
+}
+
+// UpdatedAtEQ applies the EQ predicate on the "updated_at" field.
+func UpdatedAtEQ(v time.Time) predicate.Domain {
+	return predicate.Domain(sql.FieldEQ(FieldUpdatedAt, v))
+}
+
+// UpdatedAtNEQ applies the NEQ predicate on the "updated_at" field.
+func UpdatedAtNEQ(v time.Time) predicate.Domain {
+	return predicate.Domain(sql.FieldNEQ(FieldUpdatedAt, v))
+}
+
+// UpdatedAtIn applies the In predicate on the "updated_at" field.
+func UpdatedAtIn(vs ...time.Time) predicate.Domain {
+	return predicate.Domain(sql.FieldIn(FieldUpdatedAt, vs...))
+}
+
+// UpdatedAtNotIn applies the NotIn predicate on the "updated_at" field.
+func UpdatedAtNotIn(vs ...time.Time) predicate.Domain {
+	return predicate.Domain(sql.FieldNotIn(FieldUpdatedAt, vs...))
+}
+
+// UpdatedAtGT applies the GT predicate on the "updated_at" field.
+func UpdatedAtGT(v time.Time) predicate.Domain {
+	return predicate.Domain(sql.FieldGT(FieldUpdatedAt, v))
+}
+
+// UpdatedAtGTE applies the GTE predicate on the "updated_at" field.
+func UpdatedAtGTE(v time.Time) predicate.Domain {
+	return predicate.Domain(sql.FieldGTE(FieldUpdatedAt, v))
+}
+
+// UpdatedAtLT applies the LT predicate on the "updated_at" field.
+func UpdatedAtLT(v time.Time) predicate.Domain {
+	return predicate.Domain(sql.FieldLT(FieldUpdatedAt, v))
+}
+
+// UpdatedAtLTE applies the LTE predicate on the "updated_at" field.
+func UpdatedAtLTE(v time.Time) predicate.Domain {
+	return predicate.Domain(sql.FieldLTE(FieldUpdatedAt, v))
+}
+
+// And groups predicates with the AND operator between them.
+func And(predicates ...predicate.Domain) predicate.Domain {
+	return predicate.Domain(sql.AndPredicates(predicates...))
+}
+
+// Or groups predicates with the OR operator between them.
+func Or(predicates ...predicate.Domain) predicate.Domain {
+	return predicate.Domain(sql.OrPredicates(predicates...))
+}
+
+// Not applies the not operator on the given predicate.
+func Not(p predicate.Domain) predicate.Domain {
+	return predicate.Domain(sql.NotPredicates(p))
+}

ent/domain_create.go

@@ -0,0 +1,312 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"time"
+
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/schema/field"
+	"github.com/dalbodeule/hop-gate/ent/domain"
+	"github.com/google/uuid"
+)
+
+// DomainCreate is the builder for creating a Domain entity.
+type DomainCreate struct {
+	config
+	mutation *DomainMutation
+	hooks    []Hook
+}
+
+// SetDomain sets the "domain" field.
+func (_c *DomainCreate) SetDomain(v string) *DomainCreate {
+	_c.mutation.SetDomain(v)
+	return _c
+}
+
+// SetClientAPIKey sets the "client_api_key" field.
+func (_c *DomainCreate) SetClientAPIKey(v string) *DomainCreate {
+	_c.mutation.SetClientAPIKey(v)
+	return _c
+}
+
+// SetMemo sets the "memo" field.
+func (_c *DomainCreate) SetMemo(v string) *DomainCreate {
+	_c.mutation.SetMemo(v)
+	return _c
+}
+
+// SetNillableMemo sets the "memo" field if the given value is not nil.
+func (_c *DomainCreate) SetNillableMemo(v *string) *DomainCreate {
+	if v != nil {
+		_c.SetMemo(*v)
+	}
+	return _c
+}
+
+// SetCreatedAt sets the "created_at" field.
+func (_c *DomainCreate) SetCreatedAt(v time.Time) *DomainCreate {
+	_c.mutation.SetCreatedAt(v)
+	return _c
+}
+
+// SetNillableCreatedAt sets the "created_at" field if the given value is not nil.
+func (_c *DomainCreate) SetNillableCreatedAt(v *time.Time) *DomainCreate {
+	if v != nil {
+		_c.SetCreatedAt(*v)
+	}
+	return _c
+}
+
+// SetUpdatedAt sets the "updated_at" field.
+func (_c *DomainCreate) SetUpdatedAt(v time.Time) *DomainCreate {
+	_c.mutation.SetUpdatedAt(v)
+	return _c
+}
+
+// SetNillableUpdatedAt sets the "updated_at" field if the given value is not nil.
+func (_c *DomainCreate) SetNillableUpdatedAt(v *time.Time) *DomainCreate {
+	if v != nil {
+		_c.SetUpdatedAt(*v)
+	}
+	return _c
+}
+
+// SetID sets the "id" field.
+func (_c *DomainCreate) SetID(v uuid.UUID) *DomainCreate {
+	_c.mutation.SetID(v)
+	return _c
+}
+
+// SetNillableID sets the "id" field if the given value is not nil.
+func (_c *DomainCreate) SetNillableID(v *uuid.UUID) *DomainCreate {
+	if v != nil {
+		_c.SetID(*v)
+	}
+	return _c
+}
+
+// Mutation returns the DomainMutation object of the builder.
+func (_c *DomainCreate) Mutation() *DomainMutation {
+	return _c.mutation
+}
+
+// Save creates the Domain in the database.
+func (_c *DomainCreate) Save(ctx context.Context) (*Domain, error) {
+	_c.defaults()
+	return withHooks(ctx, _c.sqlSave, _c.mutation, _c.hooks)
+}
+
+// SaveX calls Save and panics if Save returns an error.
+func (_c *DomainCreate) SaveX(ctx context.Context) *Domain {
+	v, err := _c.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Exec executes the query.
+func (_c *DomainCreate) Exec(ctx context.Context) error {
+	_, err := _c.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_c *DomainCreate) ExecX(ctx context.Context) {
+	if err := _c.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+// defaults sets the default values of the builder before save.
+func (_c *DomainCreate) defaults() {
+	if _, ok := _c.mutation.Memo(); !ok {
+		v := domain.DefaultMemo
+		_c.mutation.SetMemo(v)
+	}
+	if _, ok := _c.mutation.CreatedAt(); !ok {
+		v := domain.DefaultCreatedAt()
+		_c.mutation.SetCreatedAt(v)
+	}
+	if _, ok := _c.mutation.UpdatedAt(); !ok {
+		v := domain.DefaultUpdatedAt()
+		_c.mutation.SetUpdatedAt(v)
+	}
+	if _, ok := _c.mutation.ID(); !ok {
+		v := domain.DefaultID()
+		_c.mutation.SetID(v)
+	}
+}
+
+// check runs all checks and user-defined validators on the builder.
+func (_c *DomainCreate) check() error {
+	if _, ok := _c.mutation.Domain(); !ok {
+		return &ValidationError{Name: "domain", err: errors.New(`ent: missing required field "Domain.domain"`)}
+	}
+	if v, ok := _c.mutation.Domain(); ok {
+		if err := domain.DomainValidator(v); err != nil {
+			return &ValidationError{Name: "domain", err: fmt.Errorf(`ent: validator failed for field "Domain.domain": %w`, err)}
+		}
+	}
+	if _, ok := _c.mutation.ClientAPIKey(); !ok {
+		return &ValidationError{Name: "client_api_key", err: errors.New(`ent: missing required field "Domain.client_api_key"`)}
+	}
+	if v, ok := _c.mutation.ClientAPIKey(); ok {
+		if err := domain.ClientAPIKeyValidator(v); err != nil {
+			return &ValidationError{Name: "client_api_key", err: fmt.Errorf(`ent: validator failed for field "Domain.client_api_key": %w`, err)}
+		}
+	}
+	if _, ok := _c.mutation.Memo(); !ok {
+		return &ValidationError{Name: "memo", err: errors.New(`ent: missing required field "Domain.memo"`)}
+	}
+	if _, ok := _c.mutation.CreatedAt(); !ok {
+		return &ValidationError{Name: "created_at", err: errors.New(`ent: missing required field "Domain.created_at"`)}
+	}
+	if _, ok := _c.mutation.UpdatedAt(); !ok {
+		return &ValidationError{Name: "updated_at", err: errors.New(`ent: missing required field "Domain.updated_at"`)}
+	}
+	return nil
+}
+
+func (_c *DomainCreate) sqlSave(ctx context.Context) (*Domain, error) {
+	if err := _c.check(); err != nil {
+		return nil, err
+	}
+	_node, _spec := _c.createSpec()
+	if err := sqlgraph.CreateNode(ctx, _c.driver, _spec); err != nil {
+		if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{msg: err.Error(), wrap: err}
+		}
+		return nil, err
+	}
+	if _spec.ID.Value != nil {
+		if id, ok := _spec.ID.Value.(*uuid.UUID); ok {
+			_node.ID = *id
+		} else if err := _node.ID.Scan(_spec.ID.Value); err != nil {
+			return nil, err
+		}
+	}
+	_c.mutation.id = &_node.ID
+	_c.mutation.done = true
+	return _node, nil
+}
+
+func (_c *DomainCreate) createSpec() (*Domain, *sqlgraph.CreateSpec) {
+	var (
+		_node = &Domain{config: _c.config}
+		_spec = sqlgraph.NewCreateSpec(domain.Table, sqlgraph.NewFieldSpec(domain.FieldID, field.TypeUUID))
+	)
+	if id, ok := _c.mutation.ID(); ok {
+		_node.ID = id
+		_spec.ID.Value = &id
+	}
+	if value, ok := _c.mutation.Domain(); ok {
+		_spec.SetField(domain.FieldDomain, field.TypeString, value)
+		_node.Domain = value
+	}
+	if value, ok := _c.mutation.ClientAPIKey(); ok {
+		_spec.SetField(domain.FieldClientAPIKey, field.TypeString, value)
+		_node.ClientAPIKey = value
+	}
+	if value, ok := _c.mutation.Memo(); ok {
+		_spec.SetField(domain.FieldMemo, field.TypeString, value)
+		_node.Memo = value
+	}
+	if value, ok := _c.mutation.CreatedAt(); ok {
+		_spec.SetField(domain.FieldCreatedAt, field.TypeTime, value)
+		_node.CreatedAt = value
+	}
+	if value, ok := _c.mutation.UpdatedAt(); ok {
+		_spec.SetField(domain.FieldUpdatedAt, field.TypeTime, value)
+		_node.UpdatedAt = value
+	}
+	return _node, _spec
+}
+
+// DomainCreateBulk is the builder for creating many Domain entities in bulk.
+type DomainCreateBulk struct {
+	config
+	err      error
+	builders []*DomainCreate
+}
+
+// Save creates the Domain entities in the database.
+func (_c *DomainCreateBulk) Save(ctx context.Context) ([]*Domain, error) {
+	if _c.err != nil {
+		return nil, _c.err
+	}
+	specs := make([]*sqlgraph.CreateSpec, len(_c.builders))
+	nodes := make([]*Domain, len(_c.builders))
+	mutators := make([]Mutator, len(_c.builders))
+	for i := range _c.builders {
+		func(i int, root context.Context) {
+			builder := _c.builders[i]
+			builder.defaults()
+			var mut Mutator = MutateFunc(func(ctx context.Context, m Mutation) (Value, error) {
+				mutation, ok := m.(*DomainMutation)
+				if !ok {
+					return nil, fmt.Errorf("unexpected mutation type %T", m)
+				}
+				if err := builder.check(); err != nil {
+					return nil, err
+				}
+				builder.mutation = mutation
+				var err error
+				nodes[i], specs[i] = builder.createSpec()
+				if i < len(mutators)-1 {
+					_, err = mutators[i+1].Mutate(root, _c.builders[i+1].mutation)
+				} else {
+					spec := &sqlgraph.BatchCreateSpec{Nodes: specs}
+					// Invoke the actual operation on the latest mutation in the chain.
+					if err = sqlgraph.BatchCreate(ctx, _c.driver, spec); err != nil {
+						if sqlgraph.IsConstraintError(err) {
+							err = &ConstraintError{msg: err.Error(), wrap: err}
+						}
+					}
+				}
+				if err != nil {
+					return nil, err
+				}
+				mutation.id = &nodes[i].ID
+				mutation.done = true
+				return nodes[i], nil
+			})
+			for i := len(builder.hooks) - 1; i >= 0; i-- {
+				mut = builder.hooks[i](mut)
+			}
+			mutators[i] = mut
+		}(i, ctx)
+	}
+	if len(mutators) > 0 {
+		if _, err := mutators[0].Mutate(ctx, _c.builders[0].mutation); err != nil {
+			return nil, err
+		}
+	}
+	return nodes, nil
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (_c *DomainCreateBulk) SaveX(ctx context.Context) []*Domain {
+	v, err := _c.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Exec executes the query.
+func (_c *DomainCreateBulk) Exec(ctx context.Context) error {
+	_, err := _c.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_c *DomainCreateBulk) ExecX(ctx context.Context) {
+	if err := _c.Exec(ctx); err != nil {
+		panic(err)
+	}
+}

ent/domain_delete.go

@@ -0,0 +1,88 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/schema/field"
+	"github.com/dalbodeule/hop-gate/ent/domain"
+	"github.com/dalbodeule/hop-gate/ent/predicate"
+)
+
+// DomainDelete is the builder for deleting a Domain entity.
+type DomainDelete struct {
+	config
+	hooks    []Hook
+	mutation *DomainMutation
+}
+
+// Where appends a list predicates to the DomainDelete builder.
+func (_d *DomainDelete) Where(ps ...predicate.Domain) *DomainDelete {
+	_d.mutation.Where(ps...)
+	return _d
+}
+
+// Exec executes the deletion query and returns how many vertices were deleted.
+func (_d *DomainDelete) Exec(ctx context.Context) (int, error) {
+	return withHooks(ctx, _d.sqlExec, _d.mutation, _d.hooks)
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_d *DomainDelete) ExecX(ctx context.Context) int {
+	n, err := _d.Exec(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return n
+}
+
+func (_d *DomainDelete) sqlExec(ctx context.Context) (int, error) {
+	_spec := sqlgraph.NewDeleteSpec(domain.Table, sqlgraph.NewFieldSpec(domain.FieldID, field.TypeUUID))
+	if ps := _d.mutation.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	affected, err := sqlgraph.DeleteNodes(ctx, _d.driver, _spec)
+	if err != nil && sqlgraph.IsConstraintError(err) {
+		err = &ConstraintError{msg: err.Error(), wrap: err}
+	}
+	_d.mutation.done = true
+	return affected, err
+}
+
+// DomainDeleteOne is the builder for deleting a single Domain entity.
+type DomainDeleteOne struct {
+	_d *DomainDelete
+}
+
+// Where appends a list predicates to the DomainDelete builder.
+func (_d *DomainDeleteOne) Where(ps ...predicate.Domain) *DomainDeleteOne {
+	_d._d.mutation.Where(ps...)
+	return _d
+}
+
+// Exec executes the deletion query.
+func (_d *DomainDeleteOne) Exec(ctx context.Context) error {
+	n, err := _d._d.Exec(ctx)
+	switch {
+	case err != nil:
+		return err
+	case n == 0:
+		return &NotFoundError{domain.Label}
+	default:
+		return nil
+	}
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_d *DomainDeleteOne) ExecX(ctx context.Context) {
+	if err := _d.Exec(ctx); err != nil {
+		panic(err)
+	}
+}

ent/domain_query.go

@@ -0,0 +1,528 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"fmt"
+	"math"
+
+	"entgo.io/ent"
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/schema/field"
+	"github.com/dalbodeule/hop-gate/ent/domain"
+	"github.com/dalbodeule/hop-gate/ent/predicate"
+	"github.com/google/uuid"
+)
+
+// DomainQuery is the builder for querying Domain entities.
+type DomainQuery struct {
+	config
+	ctx        *QueryContext
+	order      []domain.OrderOption
+	inters     []Interceptor
+	predicates []predicate.Domain
+	// intermediate query (i.e. traversal path).
+	sql  *sql.Selector
+	path func(context.Context) (*sql.Selector, error)
+}
+
+// Where adds a new predicate for the DomainQuery builder.
+func (_q *DomainQuery) Where(ps ...predicate.Domain) *DomainQuery {
+	_q.predicates = append(_q.predicates, ps...)
+	return _q
+}
+
+// Limit the number of records to be returned by this query.
+func (_q *DomainQuery) Limit(limit int) *DomainQuery {
+	_q.ctx.Limit = &limit
+	return _q
+}
+
+// Offset to start from.
+func (_q *DomainQuery) Offset(offset int) *DomainQuery {
+	_q.ctx.Offset = &offset
+	return _q
+}
+
+// Unique configures the query builder to filter duplicate records on query.
+// By default, unique is set to true, and can be disabled using this method.
+func (_q *DomainQuery) Unique(unique bool) *DomainQuery {
+	_q.ctx.Unique = &unique
+	return _q
+}
+
+// Order specifies how the records should be ordered.
+func (_q *DomainQuery) Order(o ...domain.OrderOption) *DomainQuery {
+	_q.order = append(_q.order, o...)
+	return _q
+}
+
+// First returns the first Domain entity from the query.
+// Returns a *NotFoundError when no Domain was found.
+func (_q *DomainQuery) First(ctx context.Context) (*Domain, error) {
+	nodes, err := _q.Limit(1).All(setContextOp(ctx, _q.ctx, ent.OpQueryFirst))
+	if err != nil {
+		return nil, err
+	}
+	if len(nodes) == 0 {
+		return nil, &NotFoundError{domain.Label}
+	}
+	return nodes[0], nil
+}
+
+// FirstX is like First, but panics if an error occurs.
+func (_q *DomainQuery) FirstX(ctx context.Context) *Domain {
+	node, err := _q.First(ctx)
+	if err != nil && !IsNotFound(err) {
+		panic(err)
+	}
+	return node
+}
+
+// FirstID returns the first Domain ID from the query.
+// Returns a *NotFoundError when no Domain ID was found.
+func (_q *DomainQuery) FirstID(ctx context.Context) (id uuid.UUID, err error) {
+	var ids []uuid.UUID
+	if ids, err = _q.Limit(1).IDs(setContextOp(ctx, _q.ctx, ent.OpQueryFirstID)); err != nil {
+		return
+	}
+	if len(ids) == 0 {
+		err = &NotFoundError{domain.Label}
+		return
+	}
+	return ids[0], nil
+}
+
+// FirstIDX is like FirstID, but panics if an error occurs.
+func (_q *DomainQuery) FirstIDX(ctx context.Context) uuid.UUID {
+	id, err := _q.FirstID(ctx)
+	if err != nil && !IsNotFound(err) {
+		panic(err)
+	}
+	return id
+}
+
+// Only returns a single Domain entity found by the query, ensuring it only returns one.
+// Returns a *NotSingularError when more than one Domain entity is found.
+// Returns a *NotFoundError when no Domain entities are found.
+func (_q *DomainQuery) Only(ctx context.Context) (*Domain, error) {
+	nodes, err := _q.Limit(2).All(setContextOp(ctx, _q.ctx, ent.OpQueryOnly))
+	if err != nil {
+		return nil, err
+	}
+	switch len(nodes) {
+	case 1:
+		return nodes[0], nil
+	case 0:
+		return nil, &NotFoundError{domain.Label}
+	default:
+		return nil, &NotSingularError{domain.Label}
+	}
+}
+
+// OnlyX is like Only, but panics if an error occurs.
+func (_q *DomainQuery) OnlyX(ctx context.Context) *Domain {
+	node, err := _q.Only(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return node
+}
+
+// OnlyID is like Only, but returns the only Domain ID in the query.
+// Returns a *NotSingularError when more than one Domain ID is found.
+// Returns a *NotFoundError when no entities are found.
+func (_q *DomainQuery) OnlyID(ctx context.Context) (id uuid.UUID, err error) {
+	var ids []uuid.UUID
+	if ids, err = _q.Limit(2).IDs(setContextOp(ctx, _q.ctx, ent.OpQueryOnlyID)); err != nil {
+		return
+	}
+	switch len(ids) {
+	case 1:
+		id = ids[0]
+	case 0:
+		err = &NotFoundError{domain.Label}
+	default:
+		err = &NotSingularError{domain.Label}
+	}
+	return
+}
+
+// OnlyIDX is like OnlyID, but panics if an error occurs.
+func (_q *DomainQuery) OnlyIDX(ctx context.Context) uuid.UUID {
+	id, err := _q.OnlyID(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return id
+}
+
+// All executes the query and returns a list of Domains.
+func (_q *DomainQuery) All(ctx context.Context) ([]*Domain, error) {
+	ctx = setContextOp(ctx, _q.ctx, ent.OpQueryAll)
+	if err := _q.prepareQuery(ctx); err != nil {
+		return nil, err
+	}
+	qr := querierAll[[]*Domain, *DomainQuery]()
+	return withInterceptors[[]*Domain](ctx, _q, qr, _q.inters)
+}
+
+// AllX is like All, but panics if an error occurs.
+func (_q *DomainQuery) AllX(ctx context.Context) []*Domain {
+	nodes, err := _q.All(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return nodes
+}
+
+// IDs executes the query and returns a list of Domain IDs.
+func (_q *DomainQuery) IDs(ctx context.Context) (ids []uuid.UUID, err error) {
+	if _q.ctx.Unique == nil && _q.path != nil {
+		_q.Unique(true)
+	}
+	ctx = setContextOp(ctx, _q.ctx, ent.OpQueryIDs)
+	if err = _q.Select(domain.FieldID).Scan(ctx, &ids); err != nil {
+		return nil, err
+	}
+	return ids, nil
+}
+
+// IDsX is like IDs, but panics if an error occurs.
+func (_q *DomainQuery) IDsX(ctx context.Context) []uuid.UUID {
+	ids, err := _q.IDs(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return ids
+}
+
+// Count returns the count of the given query.
+func (_q *DomainQuery) Count(ctx context.Context) (int, error) {
+	ctx = setContextOp(ctx, _q.ctx, ent.OpQueryCount)
+	if err := _q.prepareQuery(ctx); err != nil {
+		return 0, err
+	}
+	return withInterceptors[int](ctx, _q, querierCount[*DomainQuery](), _q.inters)
+}
+
+// CountX is like Count, but panics if an error occurs.
+func (_q *DomainQuery) CountX(ctx context.Context) int {
+	count, err := _q.Count(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return count
+}
+
+// Exist returns true if the query has elements in the graph.
+func (_q *DomainQuery) Exist(ctx context.Context) (bool, error) {
+	ctx = setContextOp(ctx, _q.ctx, ent.OpQueryExist)
+	switch _, err := _q.FirstID(ctx); {
+	case IsNotFound(err):
+		return false, nil
+	case err != nil:
+		return false, fmt.Errorf("ent: check existence: %w", err)
+	default:
+		return true, nil
+	}
+}
+
+// ExistX is like Exist, but panics if an error occurs.
+func (_q *DomainQuery) ExistX(ctx context.Context) bool {
+	exist, err := _q.Exist(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return exist
+}
+
+// Clone returns a duplicate of the DomainQuery builder, including all associated steps. It can be
+// used to prepare common query builders and use them differently after the clone is made.
+func (_q *DomainQuery) Clone() *DomainQuery {
+	if _q == nil {
+		return nil
+	}
+	return &DomainQuery{
+		config:     _q.config,
+		ctx:        _q.ctx.Clone(),
+		order:      append([]domain.OrderOption{}, _q.order...),
+		inters:     append([]Interceptor{}, _q.inters...),
+		predicates: append([]predicate.Domain{}, _q.predicates...),
+		// clone intermediate query.
+		sql:  _q.sql.Clone(),
+		path: _q.path,
+	}
+}
+
+// GroupBy is used to group vertices by one or more fields/columns.
+// It is often used with aggregate functions, like: count, max, mean, min, sum.
+//
+// Example:
+//
+//	var v []struct {
+//		Domain string `json:"domain,omitempty"`
+//		Count int `json:"count,omitempty"`
+//	}
+//
+//	client.Domain.Query().
+//		GroupBy(domain.FieldDomain).
+//		Aggregate(ent.Count()).
+//		Scan(ctx, &v)
+func (_q *DomainQuery) GroupBy(field string, fields ...string) *DomainGroupBy {
+	_q.ctx.Fields = append([]string{field}, fields...)
+	grbuild := &DomainGroupBy{build: _q}
+	grbuild.flds = &_q.ctx.Fields
+	grbuild.label = domain.Label
+	grbuild.scan = grbuild.Scan
+	return grbuild
+}
+
+// Select allows the selection one or more fields/columns for the given query,
+// instead of selecting all fields in the entity.
+//
+// Example:
+//
+//	var v []struct {
+//		Domain string `json:"domain,omitempty"`
+//	}
+//
+//	client.Domain.Query().
+//		Select(domain.FieldDomain).
+//		Scan(ctx, &v)
+func (_q *DomainQuery) Select(fields ...string) *DomainSelect {
+	_q.ctx.Fields = append(_q.ctx.Fields, fields...)
+	sbuild := &DomainSelect{DomainQuery: _q}
+	sbuild.label = domain.Label
+	sbuild.flds, sbuild.scan = &_q.ctx.Fields, sbuild.Scan
+	return sbuild
+}
+
+// Aggregate returns a DomainSelect configured with the given aggregations.
+func (_q *DomainQuery) Aggregate(fns ...AggregateFunc) *DomainSelect {
+	return _q.Select().Aggregate(fns...)
+}
+
+func (_q *DomainQuery) prepareQuery(ctx context.Context) error {
+	for _, inter := range _q.inters {
+		if inter == nil {
+			return fmt.Errorf("ent: uninitialized interceptor (forgotten import ent/runtime?)")
+		}
+		if trv, ok := inter.(Traverser); ok {
+			if err := trv.Traverse(ctx, _q); err != nil {
+				return err
+			}
+		}
+	}
+	for _, f := range _q.ctx.Fields {
+		if !domain.ValidColumn(f) {
+			return &ValidationError{Name: f, err: fmt.Errorf("ent: invalid field %q for query", f)}
+		}
+	}
+	if _q.path != nil {
+		prev, err := _q.path(ctx)
+		if err != nil {
+			return err
+		}
+		_q.sql = prev
+	}
+	return nil
+}
+
+func (_q *DomainQuery) sqlAll(ctx context.Context, hooks ...queryHook) ([]*Domain, error) {
+	var (
+		nodes = []*Domain{}
+		_spec = _q.querySpec()
+	)
+	_spec.ScanValues = func(columns []string) ([]any, error) {
+		return (*Domain).scanValues(nil, columns)
+	}
+	_spec.Assign = func(columns []string, values []any) error {
+		node := &Domain{config: _q.config}
+		nodes = append(nodes, node)
+		return node.assignValues(columns, values)
+	}
+	for i := range hooks {
+		hooks[i](ctx, _spec)
+	}
+	if err := sqlgraph.QueryNodes(ctx, _q.driver, _spec); err != nil {
+		return nil, err
+	}
+	if len(nodes) == 0 {
+		return nodes, nil
+	}
+	return nodes, nil
+}
+
+func (_q *DomainQuery) sqlCount(ctx context.Context) (int, error) {
+	_spec := _q.querySpec()
+	_spec.Node.Columns = _q.ctx.Fields
+	if len(_q.ctx.Fields) > 0 {
+		_spec.Unique = _q.ctx.Unique != nil && *_q.ctx.Unique
+	}
+	return sqlgraph.CountNodes(ctx, _q.driver, _spec)
+}
+
+func (_q *DomainQuery) querySpec() *sqlgraph.QuerySpec {
+	_spec := sqlgraph.NewQuerySpec(domain.Table, domain.Columns, sqlgraph.NewFieldSpec(domain.FieldID, field.TypeUUID))
+	_spec.From = _q.sql
+	if unique := _q.ctx.Unique; unique != nil {
+		_spec.Unique = *unique
+	} else if _q.path != nil {
+		_spec.Unique = true
+	}
+	if fields := _q.ctx.Fields; len(fields) > 0 {
+		_spec.Node.Columns = make([]string, 0, len(fields))
+		_spec.Node.Columns = append(_spec.Node.Columns, domain.FieldID)
+		for i := range fields {
+			if fields[i] != domain.FieldID {
+				_spec.Node.Columns = append(_spec.Node.Columns, fields[i])
+			}
+		}
+	}
+	if ps := _q.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	if limit := _q.ctx.Limit; limit != nil {
+		_spec.Limit = *limit
+	}
+	if offset := _q.ctx.Offset; offset != nil {
+		_spec.Offset = *offset
+	}
+	if ps := _q.order; len(ps) > 0 {
+		_spec.Order = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	return _spec
+}
+
+func (_q *DomainQuery) sqlQuery(ctx context.Context) *sql.Selector {
+	builder := sql.Dialect(_q.driver.Dialect())
+	t1 := builder.Table(domain.Table)
+	columns := _q.ctx.Fields
+	if len(columns) == 0 {
+		columns = domain.Columns
+	}
+	selector := builder.Select(t1.Columns(columns...)...).From(t1)
+	if _q.sql != nil {
+		selector = _q.sql
+		selector.Select(selector.Columns(columns...)...)
+	}
+	if _q.ctx.Unique != nil && *_q.ctx.Unique {
+		selector.Distinct()
+	}
+	for _, p := range _q.predicates {
+		p(selector)
+	}
+	for _, p := range _q.order {
+		p(selector)
+	}
+	if offset := _q.ctx.Offset; offset != nil {
+		// limit is mandatory for offset clause. We start
+		// with default value, and override it below if needed.
+		selector.Offset(*offset).Limit(math.MaxInt32)
+	}
+	if limit := _q.ctx.Limit; limit != nil {
+		selector.Limit(*limit)
+	}
+	return selector
+}
+
+// DomainGroupBy is the group-by builder for Domain entities.
+type DomainGroupBy struct {
+	selector
+	build *DomainQuery
+}
+
+// Aggregate adds the given aggregation functions to the group-by query.
+func (_g *DomainGroupBy) Aggregate(fns ...AggregateFunc) *DomainGroupBy {
+	_g.fns = append(_g.fns, fns...)
+	return _g
+}
+
+// Scan applies the selector query and scans the result into the given value.
+func (_g *DomainGroupBy) Scan(ctx context.Context, v any) error {
+	ctx = setContextOp(ctx, _g.build.ctx, ent.OpQueryGroupBy)
+	if err := _g.build.prepareQuery(ctx); err != nil {
+		return err
+	}
+	return scanWithInterceptors[*DomainQuery, *DomainGroupBy](ctx, _g.build, _g, _g.build.inters, v)
+}
+
+func (_g *DomainGroupBy) sqlScan(ctx context.Context, root *DomainQuery, v any) error {
+	selector := root.sqlQuery(ctx).Select()
+	aggregation := make([]string, 0, len(_g.fns))
+	for _, fn := range _g.fns {
+		aggregation = append(aggregation, fn(selector))
+	}
+	if len(selector.SelectedColumns()) == 0 {
+		columns := make([]string, 0, len(*_g.flds)+len(_g.fns))
+		for _, f := range *_g.flds {
+			columns = append(columns, selector.C(f))
+		}
+		columns = append(columns, aggregation...)
+		selector.Select(columns...)
+	}
+	selector.GroupBy(selector.Columns(*_g.flds...)...)
+	if err := selector.Err(); err != nil {
+		return err
+	}
+	rows := &sql.Rows{}
+	query, args := selector.Query()
+	if err := _g.build.driver.Query(ctx, query, args, rows); err != nil {
+		return err
+	}
+	defer rows.Close()
+	return sql.ScanSlice(rows, v)
+}
+
+// DomainSelect is the builder for selecting fields of Domain entities.
+type DomainSelect struct {
+	*DomainQuery
+	selector
+}
+
+// Aggregate adds the given aggregation functions to the selector query.
+func (_s *DomainSelect) Aggregate(fns ...AggregateFunc) *DomainSelect {
+	_s.fns = append(_s.fns, fns...)
+	return _s
+}
+
+// Scan applies the selector query and scans the result into the given value.
+func (_s *DomainSelect) Scan(ctx context.Context, v any) error {
+	ctx = setContextOp(ctx, _s.ctx, ent.OpQuerySelect)
+	if err := _s.prepareQuery(ctx); err != nil {
+		return err
+	}
+	return scanWithInterceptors[*DomainQuery, *DomainSelect](ctx, _s.DomainQuery, _s, _s.inters, v)
+}
+
+func (_s *DomainSelect) sqlScan(ctx context.Context, root *DomainQuery, v any) error {
+	selector := root.sqlQuery(ctx)
+	aggregation := make([]string, 0, len(_s.fns))
+	for _, fn := range _s.fns {
+		aggregation = append(aggregation, fn(selector))
+	}
+	switch n := len(*_s.selector.flds); {
+	case n == 0 && len(aggregation) > 0:
+		selector.Select(aggregation...)
+	case n != 0 && len(aggregation) > 0:
+		selector.AppendSelect(aggregation...)
+	}
+	rows := &sql.Rows{}
+	query, args := selector.Query()
+	if err := _s.driver.Query(ctx, query, args, rows); err != nil {
+		return err
+	}
+	defer rows.Close()
+	return sql.ScanSlice(rows, v)
+}

ent/domain_update.go

@@ -0,0 +1,340 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"time"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/schema/field"
+	"github.com/dalbodeule/hop-gate/ent/domain"
+	"github.com/dalbodeule/hop-gate/ent/predicate"
+)
+
+// DomainUpdate is the builder for updating Domain entities.
+type DomainUpdate struct {
+	config
+	hooks    []Hook
+	mutation *DomainMutation
+}
+
+// Where appends a list predicates to the DomainUpdate builder.
+func (_u *DomainUpdate) Where(ps ...predicate.Domain) *DomainUpdate {
+	_u.mutation.Where(ps...)
+	return _u
+}
+
+// SetClientAPIKey sets the "client_api_key" field.
+func (_u *DomainUpdate) SetClientAPIKey(v string) *DomainUpdate {
+	_u.mutation.SetClientAPIKey(v)
+	return _u
+}
+
+// SetNillableClientAPIKey sets the "client_api_key" field if the given value is not nil.
+func (_u *DomainUpdate) SetNillableClientAPIKey(v *string) *DomainUpdate {
+	if v != nil {
+		_u.SetClientAPIKey(*v)
+	}
+	return _u
+}
+
+// SetMemo sets the "memo" field.
+func (_u *DomainUpdate) SetMemo(v string) *DomainUpdate {
+	_u.mutation.SetMemo(v)
+	return _u
+}
+
+// SetNillableMemo sets the "memo" field if the given value is not nil.
+func (_u *DomainUpdate) SetNillableMemo(v *string) *DomainUpdate {
+	if v != nil {
+		_u.SetMemo(*v)
+	}
+	return _u
+}
+
+// SetCreatedAt sets the "created_at" field.
+func (_u *DomainUpdate) SetCreatedAt(v time.Time) *DomainUpdate {
+	_u.mutation.SetCreatedAt(v)
+	return _u
+}
+
+// SetNillableCreatedAt sets the "created_at" field if the given value is not nil.
+func (_u *DomainUpdate) SetNillableCreatedAt(v *time.Time) *DomainUpdate {
+	if v != nil {
+		_u.SetCreatedAt(*v)
+	}
+	return _u
+}
+
+// SetUpdatedAt sets the "updated_at" field.
+func (_u *DomainUpdate) SetUpdatedAt(v time.Time) *DomainUpdate {
+	_u.mutation.SetUpdatedAt(v)
+	return _u
+}
+
+// Mutation returns the DomainMutation object of the builder.
+func (_u *DomainUpdate) Mutation() *DomainMutation {
+	return _u.mutation
+}
+
+// Save executes the query and returns the number of nodes affected by the update operation.
+func (_u *DomainUpdate) Save(ctx context.Context) (int, error) {
+	_u.defaults()
+	return withHooks(ctx, _u.sqlSave, _u.mutation, _u.hooks)
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (_u *DomainUpdate) SaveX(ctx context.Context) int {
+	affected, err := _u.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return affected
+}
+
+// Exec executes the query.
+func (_u *DomainUpdate) Exec(ctx context.Context) error {
+	_, err := _u.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_u *DomainUpdate) ExecX(ctx context.Context) {
+	if err := _u.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+// defaults sets the default values of the builder before save.
+func (_u *DomainUpdate) defaults() {
+	if _, ok := _u.mutation.UpdatedAt(); !ok {
+		v := domain.UpdateDefaultUpdatedAt()
+		_u.mutation.SetUpdatedAt(v)
+	}
+}
+
+// check runs all checks and user-defined validators on the builder.
+func (_u *DomainUpdate) check() error {
+	if v, ok := _u.mutation.ClientAPIKey(); ok {
+		if err := domain.ClientAPIKeyValidator(v); err != nil {
+			return &ValidationError{Name: "client_api_key", err: fmt.Errorf(`ent: validator failed for field "Domain.client_api_key": %w`, err)}
+		}
+	}
+	return nil
+}
+
+func (_u *DomainUpdate) sqlSave(ctx context.Context) (_node int, err error) {
+	if err := _u.check(); err != nil {
+		return _node, err
+	}
+	_spec := sqlgraph.NewUpdateSpec(domain.Table, domain.Columns, sqlgraph.NewFieldSpec(domain.FieldID, field.TypeUUID))
+	if ps := _u.mutation.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	if value, ok := _u.mutation.ClientAPIKey(); ok {
+		_spec.SetField(domain.FieldClientAPIKey, field.TypeString, value)
+	}
+	if value, ok := _u.mutation.Memo(); ok {
+		_spec.SetField(domain.FieldMemo, field.TypeString, value)
+	}
+	if value, ok := _u.mutation.CreatedAt(); ok {
+		_spec.SetField(domain.FieldCreatedAt, field.TypeTime, value)
+	}
+	if value, ok := _u.mutation.UpdatedAt(); ok {
+		_spec.SetField(domain.FieldUpdatedAt, field.TypeTime, value)
+	}
+	if _node, err = sqlgraph.UpdateNodes(ctx, _u.driver, _spec); err != nil {
+		if _, ok := err.(*sqlgraph.NotFoundError); ok {
+			err = &NotFoundError{domain.Label}
+		} else if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{msg: err.Error(), wrap: err}
+		}
+		return 0, err
+	}
+	_u.mutation.done = true
+	return _node, nil
+}
+
+// DomainUpdateOne is the builder for updating a single Domain entity.
+type DomainUpdateOne struct {
+	config
+	fields   []string
+	hooks    []Hook
+	mutation *DomainMutation
+}
+
+// SetClientAPIKey sets the "client_api_key" field.
+func (_u *DomainUpdateOne) SetClientAPIKey(v string) *DomainUpdateOne {
+	_u.mutation.SetClientAPIKey(v)
+	return _u
+}
+
+// SetNillableClientAPIKey sets the "client_api_key" field if the given value is not nil.
+func (_u *DomainUpdateOne) SetNillableClientAPIKey(v *string) *DomainUpdateOne {
+	if v != nil {
+		_u.SetClientAPIKey(*v)
+	}
+	return _u
+}
+
+// SetMemo sets the "memo" field.
+func (_u *DomainUpdateOne) SetMemo(v string) *DomainUpdateOne {
+	_u.mutation.SetMemo(v)
+	return _u
+}
+
+// SetNillableMemo sets the "memo" field if the given value is not nil.
+func (_u *DomainUpdateOne) SetNillableMemo(v *string) *DomainUpdateOne {
+	if v != nil {
+		_u.SetMemo(*v)
+	}
+	return _u
+}
+
+// SetCreatedAt sets the "created_at" field.
+func (_u *DomainUpdateOne) SetCreatedAt(v time.Time) *DomainUpdateOne {
+	_u.mutation.SetCreatedAt(v)
+	return _u
+}
+
+// SetNillableCreatedAt sets the "created_at" field if the given value is not nil.
+func (_u *DomainUpdateOne) SetNillableCreatedAt(v *time.Time) *DomainUpdateOne {
+	if v != nil {
+		_u.SetCreatedAt(*v)
+	}
+	return _u
+}
+
+// SetUpdatedAt sets the "updated_at" field.
+func (_u *DomainUpdateOne) SetUpdatedAt(v time.Time) *DomainUpdateOne {
+	_u.mutation.SetUpdatedAt(v)
+	return _u
+}
+
+// Mutation returns the DomainMutation object of the builder.
+func (_u *DomainUpdateOne) Mutation() *DomainMutation {
+	return _u.mutation
+}
+
+// Where appends a list predicates to the DomainUpdate builder.
+func (_u *DomainUpdateOne) Where(ps ...predicate.Domain) *DomainUpdateOne {
+	_u.mutation.Where(ps...)
+	return _u
+}
+
+// Select allows selecting one or more fields (columns) of the returned entity.
+// The default is selecting all fields defined in the entity schema.
+func (_u *DomainUpdateOne) Select(field string, fields ...string) *DomainUpdateOne {
+	_u.fields = append([]string{field}, fields...)
+	return _u
+}
+
+// Save executes the query and returns the updated Domain entity.
+func (_u *DomainUpdateOne) Save(ctx context.Context) (*Domain, error) {
+	_u.defaults()
+	return withHooks(ctx, _u.sqlSave, _u.mutation, _u.hooks)
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (_u *DomainUpdateOne) SaveX(ctx context.Context) *Domain {
+	node, err := _u.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return node
+}
+
+// Exec executes the query on the entity.
+func (_u *DomainUpdateOne) Exec(ctx context.Context) error {
+	_, err := _u.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_u *DomainUpdateOne) ExecX(ctx context.Context) {
+	if err := _u.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+// defaults sets the default values of the builder before save.
+func (_u *DomainUpdateOne) defaults() {
+	if _, ok := _u.mutation.UpdatedAt(); !ok {
+		v := domain.UpdateDefaultUpdatedAt()
+		_u.mutation.SetUpdatedAt(v)
+	}
+}
+
+// check runs all checks and user-defined validators on the builder.
+func (_u *DomainUpdateOne) check() error {
+	if v, ok := _u.mutation.ClientAPIKey(); ok {
+		if err := domain.ClientAPIKeyValidator(v); err != nil {
+			return &ValidationError{Name: "client_api_key", err: fmt.Errorf(`ent: validator failed for field "Domain.client_api_key": %w`, err)}
+		}
+	}
+	return nil
+}
+
+func (_u *DomainUpdateOne) sqlSave(ctx context.Context) (_node *Domain, err error) {
+	if err := _u.check(); err != nil {
+		return _node, err
+	}
+	_spec := sqlgraph.NewUpdateSpec(domain.Table, domain.Columns, sqlgraph.NewFieldSpec(domain.FieldID, field.TypeUUID))
+	id, ok := _u.mutation.ID()
+	if !ok {
+		return nil, &ValidationError{Name: "id", err: errors.New(`ent: missing "Domain.id" for update`)}
+	}
+	_spec.Node.ID.Value = id
+	if fields := _u.fields; len(fields) > 0 {
+		_spec.Node.Columns = make([]string, 0, len(fields))
+		_spec.Node.Columns = append(_spec.Node.Columns, domain.FieldID)
+		for _, f := range fields {
+			if !domain.ValidColumn(f) {
+				return nil, &ValidationError{Name: f, err: fmt.Errorf("ent: invalid field %q for query", f)}
+			}
+			if f != domain.FieldID {
+				_spec.Node.Columns = append(_spec.Node.Columns, f)
+			}
+		}
+	}
+	if ps := _u.mutation.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	if value, ok := _u.mutation.ClientAPIKey(); ok {
+		_spec.SetField(domain.FieldClientAPIKey, field.TypeString, value)
+	}
+	if value, ok := _u.mutation.Memo(); ok {
+		_spec.SetField(domain.FieldMemo, field.TypeString, value)
+	}
+	if value, ok := _u.mutation.CreatedAt(); ok {
+		_spec.SetField(domain.FieldCreatedAt, field.TypeTime, value)
+	}
+	if value, ok := _u.mutation.UpdatedAt(); ok {
+		_spec.SetField(domain.FieldUpdatedAt, field.TypeTime, value)
+	}
+	_node = &Domain{config: _u.config}
+	_spec.Assign = _node.assignValues
+	_spec.ScanValues = _node.scanValues
+	if err = sqlgraph.UpdateNode(ctx, _u.driver, _spec); err != nil {
+		if _, ok := err.(*sqlgraph.NotFoundError); ok {
+			err = &NotFoundError{domain.Label}
+		} else if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{msg: err.Error(), wrap: err}
+		}
+		return nil, err
+	}
+	_u.mutation.done = true
+	return _node, nil
+}

ent/ent.go

@@ -0,0 +1,608 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"reflect"
+	"sync"
+
+	"entgo.io/ent"
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"github.com/dalbodeule/hop-gate/ent/domain"
+)
+
+// ent aliases to avoid import conflicts in user's code.
+type (
+	Op            = ent.Op
+	Hook          = ent.Hook
+	Value         = ent.Value
+	Query         = ent.Query
+	QueryContext  = ent.QueryContext
+	Querier       = ent.Querier
+	QuerierFunc   = ent.QuerierFunc
+	Interceptor   = ent.Interceptor
+	InterceptFunc = ent.InterceptFunc
+	Traverser     = ent.Traverser
+	TraverseFunc  = ent.TraverseFunc
+	Policy        = ent.Policy
+	Mutator       = ent.Mutator
+	Mutation      = ent.Mutation
+	MutateFunc    = ent.MutateFunc
+)
+
+type clientCtxKey struct{}
+
+// FromContext returns a Client stored inside a context, or nil if there isn't one.
+func FromContext(ctx context.Context) *Client {
+	c, _ := ctx.Value(clientCtxKey{}).(*Client)
+	return c
+}
+
+// NewContext returns a new context with the given Client attached.
+func NewContext(parent context.Context, c *Client) context.Context {
+	return context.WithValue(parent, clientCtxKey{}, c)
+}
+
+type txCtxKey struct{}
+
+// TxFromContext returns a Tx stored inside a context, or nil if there isn't one.
+func TxFromContext(ctx context.Context) *Tx {
+	tx, _ := ctx.Value(txCtxKey{}).(*Tx)
+	return tx
+}
+
+// NewTxContext returns a new context with the given Tx attached.
+func NewTxContext(parent context.Context, tx *Tx) context.Context {
+	return context.WithValue(parent, txCtxKey{}, tx)
+}
+
+// OrderFunc applies an ordering on the sql selector.
+// Deprecated: Use Asc/Desc functions or the package builders instead.
+type OrderFunc func(*sql.Selector)
+
+var (
+	initCheck   sync.Once
+	columnCheck sql.ColumnCheck
+)
+
+// checkColumn checks if the column exists in the given table.
+func checkColumn(t, c string) error {
+	initCheck.Do(func() {
+		columnCheck = sql.NewColumnCheck(map[string]func(string) bool{
+			domain.Table: domain.ValidColumn,
+		})
+	})
+	return columnCheck(t, c)
+}
+
+// Asc applies the given fields in ASC order.
+func Asc(fields ...string) func(*sql.Selector) {
+	return func(s *sql.Selector) {
+		for _, f := range fields {
+			if err := checkColumn(s.TableName(), f); err != nil {
+				s.AddError(&ValidationError{Name: f, err: fmt.Errorf("ent: %w", err)})
+			}
+			s.OrderBy(sql.Asc(s.C(f)))
+		}
+	}
+}
+
+// Desc applies the given fields in DESC order.
+func Desc(fields ...string) func(*sql.Selector) {
+	return func(s *sql.Selector) {
+		for _, f := range fields {
+			if err := checkColumn(s.TableName(), f); err != nil {
+				s.AddError(&ValidationError{Name: f, err: fmt.Errorf("ent: %w", err)})
+			}
+			s.OrderBy(sql.Desc(s.C(f)))
+		}
+	}
+}
+
+// AggregateFunc applies an aggregation step on the group-by traversal/selector.
+type AggregateFunc func(*sql.Selector) string
+
+// As is a pseudo aggregation function for renaming another other functions with custom names. For example:
+//
+//	GroupBy(field1, field2).
+//	Aggregate(ent.As(ent.Sum(field1), "sum_field1"), (ent.As(ent.Sum(field2), "sum_field2")).
+//	Scan(ctx, &v)
+func As(fn AggregateFunc, end string) AggregateFunc {
+	return func(s *sql.Selector) string {
+		return sql.As(fn(s), end)
+	}
+}
+
+// Count applies the "count" aggregation function on each group.
+func Count() AggregateFunc {
+	return func(s *sql.Selector) string {
+		return sql.Count("*")
+	}
+}
+
+// Max applies the "max" aggregation function on the given field of each group.
+func Max(field string) AggregateFunc {
+	return func(s *sql.Selector) string {
+		if err := checkColumn(s.TableName(), field); err != nil {
+			s.AddError(&ValidationError{Name: field, err: fmt.Errorf("ent: %w", err)})
+			return ""
+		}
+		return sql.Max(s.C(field))
+	}
+}
+
+// Mean applies the "mean" aggregation function on the given field of each group.
+func Mean(field string) AggregateFunc {
+	return func(s *sql.Selector) string {
+		if err := checkColumn(s.TableName(), field); err != nil {
+			s.AddError(&ValidationError{Name: field, err: fmt.Errorf("ent: %w", err)})
+			return ""
+		}
+		return sql.Avg(s.C(field))
+	}
+}
+
+// Min applies the "min" aggregation function on the given field of each group.
+func Min(field string) AggregateFunc {
+	return func(s *sql.Selector) string {
+		if err := checkColumn(s.TableName(), field); err != nil {
+			s.AddError(&ValidationError{Name: field, err: fmt.Errorf("ent: %w", err)})
+			return ""
+		}
+		return sql.Min(s.C(field))
+	}
+}
+
+// Sum applies the "sum" aggregation function on the given field of each group.
+func Sum(field string) AggregateFunc {
+	return func(s *sql.Selector) string {
+		if err := checkColumn(s.TableName(), field); err != nil {
+			s.AddError(&ValidationError{Name: field, err: fmt.Errorf("ent: %w", err)})
+			return ""
+		}
+		return sql.Sum(s.C(field))
+	}
+}
+
+// ValidationError returns when validating a field or edge fails.
+type ValidationError struct {
+	Name string // Field or edge name.
+	err  error
+}
+
+// Error implements the error interface.
+func (e *ValidationError) Error() string {
+	return e.err.Error()
+}
+
+// Unwrap implements the errors.Wrapper interface.
+func (e *ValidationError) Unwrap() error {
+	return e.err
+}
+
+// IsValidationError returns a boolean indicating whether the error is a validation error.
+func IsValidationError(err error) bool {
+	if err == nil {
+		return false
+	}
+	var e *ValidationError
+	return errors.As(err, &e)
+}
+
+// NotFoundError returns when trying to fetch a specific entity and it was not found in the database.
+type NotFoundError struct {
+	label string
+}
+
+// Error implements the error interface.
+func (e *NotFoundError) Error() string {
+	return "ent: " + e.label + " not found"
+}
+
+// IsNotFound returns a boolean indicating whether the error is a not found error.
+func IsNotFound(err error) bool {
+	if err == nil {
+		return false
+	}
+	var e *NotFoundError
+	return errors.As(err, &e)
+}
+
+// MaskNotFound masks not found error.
+func MaskNotFound(err error) error {
+	if IsNotFound(err) {
+		return nil
+	}
+	return err
+}
+
+// NotSingularError returns when trying to fetch a singular entity and more then one was found in the database.
+type NotSingularError struct {
+	label string
+}
+
+// Error implements the error interface.
+func (e *NotSingularError) Error() string {
+	return "ent: " + e.label + " not singular"
+}
+
+// IsNotSingular returns a boolean indicating whether the error is a not singular error.
+func IsNotSingular(err error) bool {
+	if err == nil {
+		return false
+	}
+	var e *NotSingularError
+	return errors.As(err, &e)
+}
+
+// NotLoadedError returns when trying to get a node that was not loaded by the query.
+type NotLoadedError struct {
+	edge string
+}
+
+// Error implements the error interface.
+func (e *NotLoadedError) Error() string {
+	return "ent: " + e.edge + " edge was not loaded"
+}
+
+// IsNotLoaded returns a boolean indicating whether the error is a not loaded error.
+func IsNotLoaded(err error) bool {
+	if err == nil {
+		return false
+	}
+	var e *NotLoadedError
+	return errors.As(err, &e)
+}
+
+// ConstraintError returns when trying to create/update one or more entities and
+// one or more of their constraints failed. For example, violation of edge or
+// field uniqueness.
+type ConstraintError struct {
+	msg  string
+	wrap error
+}
+
+// Error implements the error interface.
+func (e ConstraintError) Error() string {
+	return "ent: constraint failed: " + e.msg
+}
+
+// Unwrap implements the errors.Wrapper interface.
+func (e *ConstraintError) Unwrap() error {
+	return e.wrap
+}
+
+// IsConstraintError returns a boolean indicating whether the error is a constraint failure.
+func IsConstraintError(err error) bool {
+	if err == nil {
+		return false
+	}
+	var e *ConstraintError
+	return errors.As(err, &e)
+}
+
+// selector embedded by the different Select/GroupBy builders.
+type selector struct {
+	label string
+	flds  *[]string
+	fns   []AggregateFunc
+	scan  func(context.Context, any) error
+}
+
+// ScanX is like Scan, but panics if an error occurs.
+func (s *selector) ScanX(ctx context.Context, v any) {
+	if err := s.scan(ctx, v); err != nil {
+		panic(err)
+	}
+}
+
+// Strings returns list of strings from a selector. It is only allowed when selecting one field.
+func (s *selector) Strings(ctx context.Context) ([]string, error) {
+	if len(*s.flds) > 1 {
+		return nil, errors.New("ent: Strings is not achievable when selecting more than 1 field")
+	}
+	var v []string
+	if err := s.scan(ctx, &v); err != nil {
+		return nil, err
+	}
+	return v, nil
+}
+
+// StringsX is like Strings, but panics if an error occurs.
+func (s *selector) StringsX(ctx context.Context) []string {
+	v, err := s.Strings(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// String returns a single string from a selector. It is only allowed when selecting one field.
+func (s *selector) String(ctx context.Context) (_ string, err error) {
+	var v []string
+	if v, err = s.Strings(ctx); err != nil {
+		return
+	}
+	switch len(v) {
+	case 1:
+		return v[0], nil
+	case 0:
+		err = &NotFoundError{s.label}
+	default:
+		err = fmt.Errorf("ent: Strings returned %d results when one was expected", len(v))
+	}
+	return
+}
+
+// StringX is like String, but panics if an error occurs.
+func (s *selector) StringX(ctx context.Context) string {
+	v, err := s.String(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Ints returns list of ints from a selector. It is only allowed when selecting one field.
+func (s *selector) Ints(ctx context.Context) ([]int, error) {
+	if len(*s.flds) > 1 {
+		return nil, errors.New("ent: Ints is not achievable when selecting more than 1 field")
+	}
+	var v []int
+	if err := s.scan(ctx, &v); err != nil {
+		return nil, err
+	}
+	return v, nil
+}
+
+// IntsX is like Ints, but panics if an error occurs.
+func (s *selector) IntsX(ctx context.Context) []int {
+	v, err := s.Ints(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Int returns a single int from a selector. It is only allowed when selecting one field.
+func (s *selector) Int(ctx context.Context) (_ int, err error) {
+	var v []int
+	if v, err = s.Ints(ctx); err != nil {
+		return
+	}
+	switch len(v) {
+	case 1:
+		return v[0], nil
+	case 0:
+		err = &NotFoundError{s.label}
+	default:
+		err = fmt.Errorf("ent: Ints returned %d results when one was expected", len(v))
+	}
+	return
+}
+
+// IntX is like Int, but panics if an error occurs.
+func (s *selector) IntX(ctx context.Context) int {
+	v, err := s.Int(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Float64s returns list of float64s from a selector. It is only allowed when selecting one field.
+func (s *selector) Float64s(ctx context.Context) ([]float64, error) {
+	if len(*s.flds) > 1 {
+		return nil, errors.New("ent: Float64s is not achievable when selecting more than 1 field")
+	}
+	var v []float64
+	if err := s.scan(ctx, &v); err != nil {
+		return nil, err
+	}
+	return v, nil
+}
+
+// Float64sX is like Float64s, but panics if an error occurs.
+func (s *selector) Float64sX(ctx context.Context) []float64 {
+	v, err := s.Float64s(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Float64 returns a single float64 from a selector. It is only allowed when selecting one field.
+func (s *selector) Float64(ctx context.Context) (_ float64, err error) {
+	var v []float64
+	if v, err = s.Float64s(ctx); err != nil {
+		return
+	}
+	switch len(v) {
+	case 1:
+		return v[0], nil
+	case 0:
+		err = &NotFoundError{s.label}
+	default:
+		err = fmt.Errorf("ent: Float64s returned %d results when one was expected", len(v))
+	}
+	return
+}
+
+// Float64X is like Float64, but panics if an error occurs.
+func (s *selector) Float64X(ctx context.Context) float64 {
+	v, err := s.Float64(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Bools returns list of bools from a selector. It is only allowed when selecting one field.
+func (s *selector) Bools(ctx context.Context) ([]bool, error) {
+	if len(*s.flds) > 1 {
+		return nil, errors.New("ent: Bools is not achievable when selecting more than 1 field")
+	}
+	var v []bool
+	if err := s.scan(ctx, &v); err != nil {
+		return nil, err
+	}
+	return v, nil
+}
+
+// BoolsX is like Bools, but panics if an error occurs.
+func (s *selector) BoolsX(ctx context.Context) []bool {
+	v, err := s.Bools(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Bool returns a single bool from a selector. It is only allowed when selecting one field.
+func (s *selector) Bool(ctx context.Context) (_ bool, err error) {
+	var v []bool
+	if v, err = s.Bools(ctx); err != nil {
+		return
+	}
+	switch len(v) {
+	case 1:
+		return v[0], nil
+	case 0:
+		err = &NotFoundError{s.label}
+	default:
+		err = fmt.Errorf("ent: Bools returned %d results when one was expected", len(v))
+	}
+	return
+}
+
+// BoolX is like Bool, but panics if an error occurs.
+func (s *selector) BoolX(ctx context.Context) bool {
+	v, err := s.Bool(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// withHooks invokes the builder operation with the given hooks, if any.
+func withHooks[V Value, M any, PM interface {
+	*M
+	Mutation
+}](ctx context.Context, exec func(context.Context) (V, error), mutation PM, hooks []Hook) (value V, err error) {
+	if len(hooks) == 0 {
+		return exec(ctx)
+	}
+	var mut Mutator = MutateFunc(func(ctx context.Context, m Mutation) (Value, error) {
+		mutationT, ok := any(m).(PM)
+		if !ok {
+			return nil, fmt.Errorf("unexpected mutation type %T", m)
+		}
+		// Set the mutation to the builder.
+		*mutation = *mutationT
+		return exec(ctx)
+	})
+	for i := len(hooks) - 1; i >= 0; i-- {
+		if hooks[i] == nil {
+			return value, fmt.Errorf("ent: uninitialized hook (forgotten import ent/runtime?)")
+		}
+		mut = hooks[i](mut)
+	}
+	v, err := mut.Mutate(ctx, mutation)
+	if err != nil {
+		return value, err
+	}
+	nv, ok := v.(V)
+	if !ok {
+		return value, fmt.Errorf("unexpected node type %T returned from %T", v, mutation)
+	}
+	return nv, nil
+}
+
+// setContextOp returns a new context with the given QueryContext attached (including its op) in case it does not exist.
+func setContextOp(ctx context.Context, qc *QueryContext, op string) context.Context {
+	if ent.QueryFromContext(ctx) == nil {
+		qc.Op = op
+		ctx = ent.NewQueryContext(ctx, qc)
+	}
+	return ctx
+}
+
+func querierAll[V Value, Q interface {
+	sqlAll(context.Context, ...queryHook) (V, error)
+}]() Querier {
+	return QuerierFunc(func(ctx context.Context, q Query) (Value, error) {
+		query, ok := q.(Q)
+		if !ok {
+			return nil, fmt.Errorf("unexpected query type %T", q)
+		}
+		return query.sqlAll(ctx)
+	})
+}
+
+func querierCount[Q interface {
+	sqlCount(context.Context) (int, error)
+}]() Querier {
+	return QuerierFunc(func(ctx context.Context, q Query) (Value, error) {
+		query, ok := q.(Q)
+		if !ok {
+			return nil, fmt.Errorf("unexpected query type %T", q)
+		}
+		return query.sqlCount(ctx)
+	})
+}
+
+func withInterceptors[V Value](ctx context.Context, q Query, qr Querier, inters []Interceptor) (v V, err error) {
+	for i := len(inters) - 1; i >= 0; i-- {
+		qr = inters[i].Intercept(qr)
+	}
+	rv, err := qr.Query(ctx, q)
+	if err != nil {
+		return v, err
+	}
+	vt, ok := rv.(V)
+	if !ok {
+		return v, fmt.Errorf("unexpected type %T returned from %T. expected type: %T", vt, q, v)
+	}
+	return vt, nil
+}
+
+func scanWithInterceptors[Q1 ent.Query, Q2 interface {
+	sqlScan(context.Context, Q1, any) error
+}](ctx context.Context, rootQuery Q1, selectOrGroup Q2, inters []Interceptor, v any) error {
+	rv := reflect.ValueOf(v)
+	var qr Querier = QuerierFunc(func(ctx context.Context, q Query) (Value, error) {
+		query, ok := q.(Q1)
+		if !ok {
+			return nil, fmt.Errorf("unexpected query type %T", q)
+		}
+		if err := selectOrGroup.sqlScan(ctx, query, v); err != nil {
+			return nil, err
+		}
+		if k := rv.Kind(); k == reflect.Pointer && rv.Elem().CanInterface() {
+			return rv.Elem().Interface(), nil
+		}
+		return v, nil
+	})
+	for i := len(inters) - 1; i >= 0; i-- {
+		qr = inters[i].Intercept(qr)
+	}
+	vv, err := qr.Query(ctx, rootQuery)
+	if err != nil {
+		return err
+	}
+	switch rv2 := reflect.ValueOf(vv); {
+	case rv.IsNil(), rv2.IsNil(), rv.Kind() != reflect.Pointer:
+	case rv.Type() == rv2.Type():
+		rv.Elem().Set(rv2.Elem())
+	case rv.Elem().Type() == rv2.Type():
+		rv.Elem().Set(rv2)
+	}
+	return nil
+}
+
+// queryHook describes an internal hook for the different sqlAll methods.
+type queryHook func(context.Context, *sqlgraph.QuerySpec)

ent/enttest/enttest.go

@@ -0,0 +1,84 @@
+// Code generated by ent, DO NOT EDIT.
+
+package enttest
+
+import (
+	"context"
+
+	"github.com/dalbodeule/hop-gate/ent"
+	// required by schema hooks.
+	_ "github.com/dalbodeule/hop-gate/ent/runtime"
+
+	"entgo.io/ent/dialect/sql/schema"
+	"github.com/dalbodeule/hop-gate/ent/migrate"
+)
+
+type (
+	// TestingT is the interface that is shared between
+	// testing.T and testing.B and used by enttest.
+	TestingT interface {
+		FailNow()
+		Error(...any)
+	}
+
+	// Option configures client creation.
+	Option func(*options)
+
+	options struct {
+		opts        []ent.Option
+		migrateOpts []schema.MigrateOption
+	}
+)
+
+// WithOptions forwards options to client creation.
+func WithOptions(opts ...ent.Option) Option {
+	return func(o *options) {
+		o.opts = append(o.opts, opts...)
+	}
+}
+
+// WithMigrateOptions forwards options to auto migration.
+func WithMigrateOptions(opts ...schema.MigrateOption) Option {
+	return func(o *options) {
+		o.migrateOpts = append(o.migrateOpts, opts...)
+	}
+}
+
+func newOptions(opts []Option) *options {
+	o := &options{}
+	for _, opt := range opts {
+		opt(o)
+	}
+	return o
+}
+
+// Open calls ent.Open and auto-run migration.
+func Open(t TestingT, driverName, dataSourceName string, opts ...Option) *ent.Client {
+	o := newOptions(opts)
+	c, err := ent.Open(driverName, dataSourceName, o.opts...)
+	if err != nil {
+		t.Error(err)
+		t.FailNow()
+	}
+	migrateSchema(t, c, o)
+	return c
+}
+
+// NewClient calls ent.NewClient and auto-run migration.
+func NewClient(t TestingT, opts ...Option) *ent.Client {
+	o := newOptions(opts)
+	c := ent.NewClient(o.opts...)
+	migrateSchema(t, c, o)
+	return c
+}
+func migrateSchema(t TestingT, c *ent.Client, o *options) {
+	tables, err := schema.CopyTables(migrate.Tables)
+	if err != nil {
+		t.Error(err)
+		t.FailNow()
+	}
+	if err := migrate.Create(context.Background(), c.Schema, tables, o.migrateOpts...); err != nil {
+		t.Error(err)
+		t.FailNow()
+	}
+}

ent/hook/hook.go

@@ -0,0 +1,199 @@
+// Code generated by ent, DO NOT EDIT.
+
+package hook
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/dalbodeule/hop-gate/ent"
+)
+
+// The DomainFunc type is an adapter to allow the use of ordinary
+// function as Domain mutator.
+type DomainFunc func(context.Context, *ent.DomainMutation) (ent.Value, error)
+
+// Mutate calls f(ctx, m).
+func (f DomainFunc) Mutate(ctx context.Context, m ent.Mutation) (ent.Value, error) {
+	if mv, ok := m.(*ent.DomainMutation); ok {
+		return f(ctx, mv)
+	}
+	return nil, fmt.Errorf("unexpected mutation type %T. expect *ent.DomainMutation", m)
+}
+
+// Condition is a hook condition function.
+type Condition func(context.Context, ent.Mutation) bool
+
+// And groups conditions with the AND operator.
+func And(first, second Condition, rest ...Condition) Condition {
+	return func(ctx context.Context, m ent.Mutation) bool {
+		if !first(ctx, m) || !second(ctx, m) {
+			return false
+		}
+		for _, cond := range rest {
+			if !cond(ctx, m) {
+				return false
+			}
+		}
+		return true
+	}
+}
+
+// Or groups conditions with the OR operator.
+func Or(first, second Condition, rest ...Condition) Condition {
+	return func(ctx context.Context, m ent.Mutation) bool {
+		if first(ctx, m) || second(ctx, m) {
+			return true
+		}
+		for _, cond := range rest {
+			if cond(ctx, m) {
+				return true
+			}
+		}
+		return false
+	}
+}
+
+// Not negates a given condition.
+func Not(cond Condition) Condition {
+	return func(ctx context.Context, m ent.Mutation) bool {
+		return !cond(ctx, m)
+	}
+}
+
+// HasOp is a condition testing mutation operation.
+func HasOp(op ent.Op) Condition {
+	return func(_ context.Context, m ent.Mutation) bool {
+		return m.Op().Is(op)
+	}
+}
+
+// HasAddedFields is a condition validating `.AddedField` on fields.
+func HasAddedFields(field string, fields ...string) Condition {
+	return func(_ context.Context, m ent.Mutation) bool {
+		if _, exists := m.AddedField(field); !exists {
+			return false
+		}
+		for _, field := range fields {
+			if _, exists := m.AddedField(field); !exists {
+				return false
+			}
+		}
+		return true
+	}
+}
+
+// HasClearedFields is a condition validating `.FieldCleared` on fields.
+func HasClearedFields(field string, fields ...string) Condition {
+	return func(_ context.Context, m ent.Mutation) bool {
+		if exists := m.FieldCleared(field); !exists {
+			return false
+		}
+		for _, field := range fields {
+			if exists := m.FieldCleared(field); !exists {
+				return false
+			}
+		}
+		return true
+	}
+}
+
+// HasFields is a condition validating `.Field` on fields.
+func HasFields(field string, fields ...string) Condition {
+	return func(_ context.Context, m ent.Mutation) bool {
+		if _, exists := m.Field(field); !exists {
+			return false
+		}
+		for _, field := range fields {
+			if _, exists := m.Field(field); !exists {
+				return false
+			}
+		}
+		return true
+	}
+}
+
+// If executes the given hook under condition.
+//
+//	hook.If(ComputeAverage, And(HasFields(...), HasAddedFields(...)))
+func If(hk ent.Hook, cond Condition) ent.Hook {
+	return func(next ent.Mutator) ent.Mutator {
+		return ent.MutateFunc(func(ctx context.Context, m ent.Mutation) (ent.Value, error) {
+			if cond(ctx, m) {
+				return hk(next).Mutate(ctx, m)
+			}
+			return next.Mutate(ctx, m)
+		})
+	}
+}
+
+// On executes the given hook only for the given operation.
+//
+//	hook.On(Log, ent.Delete|ent.Create)
+func On(hk ent.Hook, op ent.Op) ent.Hook {
+	return If(hk, HasOp(op))
+}
+
+// Unless skips the given hook only for the given operation.
+//
+//	hook.Unless(Log, ent.Update|ent.UpdateOne)
+func Unless(hk ent.Hook, op ent.Op) ent.Hook {
+	return If(hk, Not(HasOp(op)))
+}
+
+// FixedError is a hook returning a fixed error.
+func FixedError(err error) ent.Hook {
+	return func(ent.Mutator) ent.Mutator {
+		return ent.MutateFunc(func(context.Context, ent.Mutation) (ent.Value, error) {
+			return nil, err
+		})
+	}
+}
+
+// Reject returns a hook that rejects all operations that match op.
+//
+//	func (T) Hooks() []ent.Hook {
+//		return []ent.Hook{
+//			Reject(ent.Delete|ent.Update),
+//		}
+//	}
+func Reject(op ent.Op) ent.Hook {
+	hk := FixedError(fmt.Errorf("%s operation is not allowed", op))
+	return On(hk, op)
+}
+
+// Chain acts as a list of hooks and is effectively immutable.
+// Once created, it will always hold the same set of hooks in the same order.
+type Chain struct {
+	hooks []ent.Hook
+}
+
+// NewChain creates a new chain of hooks.
+func NewChain(hooks ...ent.Hook) Chain {
+	return Chain{append([]ent.Hook(nil), hooks...)}
+}
+
+// Hook chains the list of hooks and returns the final hook.
+func (c Chain) Hook() ent.Hook {
+	return func(mutator ent.Mutator) ent.Mutator {
+		for i := len(c.hooks) - 1; i >= 0; i-- {
+			mutator = c.hooks[i](mutator)
+		}
+		return mutator
+	}
+}
+
+// Append extends a chain, adding the specified hook
+// as the last ones in the mutation flow.
+func (c Chain) Append(hooks ...ent.Hook) Chain {
+	newHooks := make([]ent.Hook, 0, len(c.hooks)+len(hooks))
+	newHooks = append(newHooks, c.hooks...)
+	newHooks = append(newHooks, hooks...)
+	return Chain{newHooks}
+}
+
+// Extend extends a chain, adding the specified chain
+// as the last ones in the mutation flow.
+func (c Chain) Extend(chain Chain) Chain {
+	return c.Append(chain.hooks...)
+}

ent/migrate/migrate.go

@@ -0,0 +1,64 @@
+// Code generated by ent, DO NOT EDIT.
+
+package migrate
+
+import (
+	"context"
+	"fmt"
+	"io"
+
+	"entgo.io/ent/dialect"
+	"entgo.io/ent/dialect/sql/schema"
+)
+
+var (
+	// WithGlobalUniqueID sets the universal ids options to the migration.
+	// If this option is enabled, ent migration will allocate a 1<<32 range
+	// for the ids of each entity (table).
+	// Note that this option cannot be applied on tables that already exist.
+	WithGlobalUniqueID = schema.WithGlobalUniqueID
+	// WithDropColumn sets the drop column option to the migration.
+	// If this option is enabled, ent migration will drop old columns
+	// that were used for both fields and edges. This defaults to false.
+	WithDropColumn = schema.WithDropColumn
+	// WithDropIndex sets the drop index option to the migration.
+	// If this option is enabled, ent migration will drop old indexes
+	// that were defined in the schema. This defaults to false.
+	// Note that unique constraints are defined using `UNIQUE INDEX`,
+	// and therefore, it's recommended to enable this option to get more
+	// flexibility in the schema changes.
+	WithDropIndex = schema.WithDropIndex
+	// WithForeignKeys enables creating foreign-key in schema DDL. This defaults to true.
+	WithForeignKeys = schema.WithForeignKeys
+)
+
+// Schema is the API for creating, migrating and dropping a schema.
+type Schema struct {
+	drv dialect.Driver
+}
+
+// NewSchema creates a new schema client.
+func NewSchema(drv dialect.Driver) *Schema { return &Schema{drv: drv} }
+
+// Create creates all schema resources.
+func (s *Schema) Create(ctx context.Context, opts ...schema.MigrateOption) error {
+	return Create(ctx, s, Tables, opts...)
+}
+
+// Create creates all table resources using the given schema driver.
+func Create(ctx context.Context, s *Schema, tables []*schema.Table, opts ...schema.MigrateOption) error {
+	migrate, err := schema.NewMigrate(s.drv, opts...)
+	if err != nil {
+		return fmt.Errorf("ent/migrate: %w", err)
+	}
+	return migrate.Create(ctx, tables...)
+}
+
+// WriteTo writes the schema changes to w instead of running them against the database.
+//
+//	if err := client.Schema.WriteTo(context.Background(), os.Stdout); err != nil {
+//		log.Fatal(err)
+//	}
+func (s *Schema) WriteTo(ctx context.Context, w io.Writer, opts ...schema.MigrateOption) error {
+	return Create(ctx, &Schema{drv: &schema.WriteDriver{Writer: w, Driver: s.drv}}, Tables, opts...)
+}

ent/migrate/schema.go

@@ -0,0 +1,40 @@
+// Code generated by ent, DO NOT EDIT.
+
+package migrate
+
+import (
+	"entgo.io/ent/dialect/sql/schema"
+	"entgo.io/ent/schema/field"
+)
+
+var (
+	// DomainsColumns holds the columns for the "domains" table.
+	DomainsColumns = []*schema.Column{
+		{Name: "id", Type: field.TypeUUID},
+		{Name: "domain", Type: field.TypeString, Unique: true},
+		{Name: "client_api_key", Type: field.TypeString, Size: 64},
+		{Name: "memo", Type: field.TypeString, Default: ""},
+		{Name: "created_at", Type: field.TypeTime},
+		{Name: "updated_at", Type: field.TypeTime},
+	}
+	// DomainsTable holds the schema information for the "domains" table.
+	DomainsTable = &schema.Table{
+		Name:       "domains",
+		Columns:    DomainsColumns,
+		PrimaryKey: []*schema.Column{DomainsColumns[0]},
+		Indexes: []*schema.Index{
+			{
+				Name:    "domain_client_api_key",
+				Unique:  true,
+				Columns: []*schema.Column{DomainsColumns[2]},
+			},
+		},
+	}
+	// Tables holds all the tables in the schema.
+	Tables = []*schema.Table{
+		DomainsTable,
+	}
+)
+
+func init() {
+}

ent/mutation.go

@@ -0,0 +1,577 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"sync"
+	"time"
+
+	"entgo.io/ent"
+	"entgo.io/ent/dialect/sql"
+	"github.com/dalbodeule/hop-gate/ent/domain"
+	"github.com/dalbodeule/hop-gate/ent/predicate"
+	"github.com/google/uuid"
+)
+
+const (
+	// Operation types.
+	OpCreate    = ent.OpCreate
+	OpDelete    = ent.OpDelete
+	OpDeleteOne = ent.OpDeleteOne
+	OpUpdate    = ent.OpUpdate
+	OpUpdateOne = ent.OpUpdateOne
+
+	// Node types.
+	TypeDomain = "Domain"
+)
+
+// DomainMutation represents an operation that mutates the Domain nodes in the graph.
+type DomainMutation struct {
+	config
+	op             Op
+	typ            string
+	id             *uuid.UUID
+	domain         *string
+	client_api_key *string
+	memo           *string
+	created_at     *time.Time
+	updated_at     *time.Time
+	clearedFields  map[string]struct{}
+	done           bool
+	oldValue       func(context.Context) (*Domain, error)
+	predicates     []predicate.Domain
+}
+
+var _ ent.Mutation = (*DomainMutation)(nil)
+
+// domainOption allows management of the mutation configuration using functional options.
+type domainOption func(*DomainMutation)
+
+// newDomainMutation creates new mutation for the Domain entity.
+func newDomainMutation(c config, op Op, opts ...domainOption) *DomainMutation {
+	m := &DomainMutation{
+		config:        c,
+		op:            op,
+		typ:           TypeDomain,
+		clearedFields: make(map[string]struct{}),
+	}
+	for _, opt := range opts {
+		opt(m)
+	}
+	return m
+}
+
+// withDomainID sets the ID field of the mutation.
+func withDomainID(id uuid.UUID) domainOption {
+	return func(m *DomainMutation) {
+		var (
+			err   error
+			once  sync.Once
+			value *Domain
+		)
+		m.oldValue = func(ctx context.Context) (*Domain, error) {
+			once.Do(func() {
+				if m.done {
+					err = errors.New("querying old values post mutation is not allowed")
+				} else {
+					value, err = m.Client().Domain.Get(ctx, id)
+				}
+			})
+			return value, err
+		}
+		m.id = &id
+	}
+}
+
+// withDomain sets the old Domain of the mutation.
+func withDomain(node *Domain) domainOption {
+	return func(m *DomainMutation) {
+		m.oldValue = func(context.Context) (*Domain, error) {
+			return node, nil
+		}
+		m.id = &node.ID
+	}
+}
+
+// Client returns a new `ent.Client` from the mutation. If the mutation was
+// executed in a transaction (ent.Tx), a transactional client is returned.
+func (m DomainMutation) Client() *Client {
+	client := &Client{config: m.config}
+	client.init()
+	return client
+}
+
+// Tx returns an `ent.Tx` for mutations that were executed in transactions;
+// it returns an error otherwise.
+func (m DomainMutation) Tx() (*Tx, error) {
+	if _, ok := m.driver.(*txDriver); !ok {
+		return nil, errors.New("ent: mutation is not running in a transaction")
+	}
+	tx := &Tx{config: m.config}
+	tx.init()
+	return tx, nil
+}
+
+// SetID sets the value of the id field. Note that this
+// operation is only accepted on creation of Domain entities.
+func (m *DomainMutation) SetID(id uuid.UUID) {
+	m.id = &id
+}
+
+// ID returns the ID value in the mutation. Note that the ID is only available
+// if it was provided to the builder or after it was returned from the database.
+func (m *DomainMutation) ID() (id uuid.UUID, exists bool) {
+	if m.id == nil {
+		return
+	}
+	return *m.id, true
+}
+
+// IDs queries the database and returns the entity ids that match the mutation's predicate.
+// That means, if the mutation is applied within a transaction with an isolation level such
+// as sql.LevelSerializable, the returned ids match the ids of the rows that will be updated
+// or updated by the mutation.
+func (m *DomainMutation) IDs(ctx context.Context) ([]uuid.UUID, error) {
+	switch {
+	case m.op.Is(OpUpdateOne | OpDeleteOne):
+		id, exists := m.ID()
+		if exists {
+			return []uuid.UUID{id}, nil
+		}
+		fallthrough
+	case m.op.Is(OpUpdate | OpDelete):
+		return m.Client().Domain.Query().Where(m.predicates...).IDs(ctx)
+	default:
+		return nil, fmt.Errorf("IDs is not allowed on %s operations", m.op)
+	}
+}
+
+// SetDomain sets the "domain" field.
+func (m *DomainMutation) SetDomain(s string) {
+	m.domain = &s
+}
+
+// Domain returns the value of the "domain" field in the mutation.
+func (m *DomainMutation) Domain() (r string, exists bool) {
+	v := m.domain
+	if v == nil {
+		return
+	}
+	return *v, true
+}
+
+// OldDomain returns the old "domain" field's value of the Domain entity.
+// If the Domain object wasn't provided to the builder, the object is fetched from the database.
+// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
+func (m *DomainMutation) OldDomain(ctx context.Context) (v string, err error) {
+	if !m.op.Is(OpUpdateOne) {
+		return v, errors.New("OldDomain is only allowed on UpdateOne operations")
+	}
+	if m.id == nil || m.oldValue == nil {
+		return v, errors.New("OldDomain requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldDomain: %w", err)
+	}
+	return oldValue.Domain, nil
+}
+
+// ResetDomain resets all changes to the "domain" field.
+func (m *DomainMutation) ResetDomain() {
+	m.domain = nil
+}
+
+// SetClientAPIKey sets the "client_api_key" field.
+func (m *DomainMutation) SetClientAPIKey(s string) {
+	m.client_api_key = &s
+}
+
+// ClientAPIKey returns the value of the "client_api_key" field in the mutation.
+func (m *DomainMutation) ClientAPIKey() (r string, exists bool) {
+	v := m.client_api_key
+	if v == nil {
+		return
+	}
+	return *v, true
+}
+
+// OldClientAPIKey returns the old "client_api_key" field's value of the Domain entity.
+// If the Domain object wasn't provided to the builder, the object is fetched from the database.
+// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
+func (m *DomainMutation) OldClientAPIKey(ctx context.Context) (v string, err error) {
+	if !m.op.Is(OpUpdateOne) {
+		return v, errors.New("OldClientAPIKey is only allowed on UpdateOne operations")
+	}
+	if m.id == nil || m.oldValue == nil {
+		return v, errors.New("OldClientAPIKey requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldClientAPIKey: %w", err)
+	}
+	return oldValue.ClientAPIKey, nil
+}
+
+// ResetClientAPIKey resets all changes to the "client_api_key" field.
+func (m *DomainMutation) ResetClientAPIKey() {
+	m.client_api_key = nil
+}
+
+// SetMemo sets the "memo" field.
+func (m *DomainMutation) SetMemo(s string) {
+	m.memo = &s
+}
+
+// Memo returns the value of the "memo" field in the mutation.
+func (m *DomainMutation) Memo() (r string, exists bool) {
+	v := m.memo
+	if v == nil {
+		return
+	}
+	return *v, true
+}
+
+// OldMemo returns the old "memo" field's value of the Domain entity.
+// If the Domain object wasn't provided to the builder, the object is fetched from the database.
+// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
+func (m *DomainMutation) OldMemo(ctx context.Context) (v string, err error) {
+	if !m.op.Is(OpUpdateOne) {
+		return v, errors.New("OldMemo is only allowed on UpdateOne operations")
+	}
+	if m.id == nil || m.oldValue == nil {
+		return v, errors.New("OldMemo requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldMemo: %w", err)
+	}
+	return oldValue.Memo, nil
+}
+
+// ResetMemo resets all changes to the "memo" field.
+func (m *DomainMutation) ResetMemo() {
+	m.memo = nil
+}
+
+// SetCreatedAt sets the "created_at" field.
+func (m *DomainMutation) SetCreatedAt(t time.Time) {
+	m.created_at = &t
+}
+
+// CreatedAt returns the value of the "created_at" field in the mutation.
+func (m *DomainMutation) CreatedAt() (r time.Time, exists bool) {
+	v := m.created_at
+	if v == nil {
+		return
+	}
+	return *v, true
+}
+
+// OldCreatedAt returns the old "created_at" field's value of the Domain entity.
+// If the Domain object wasn't provided to the builder, the object is fetched from the database.
+// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
+func (m *DomainMutation) OldCreatedAt(ctx context.Context) (v time.Time, err error) {
+	if !m.op.Is(OpUpdateOne) {
+		return v, errors.New("OldCreatedAt is only allowed on UpdateOne operations")
+	}
+	if m.id == nil || m.oldValue == nil {
+		return v, errors.New("OldCreatedAt requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldCreatedAt: %w", err)
+	}
+	return oldValue.CreatedAt, nil
+}
+
+// ResetCreatedAt resets all changes to the "created_at" field.
+func (m *DomainMutation) ResetCreatedAt() {
+	m.created_at = nil
+}
+
+// SetUpdatedAt sets the "updated_at" field.
+func (m *DomainMutation) SetUpdatedAt(t time.Time) {
+	m.updated_at = &t
+}
+
+// UpdatedAt returns the value of the "updated_at" field in the mutation.
+func (m *DomainMutation) UpdatedAt() (r time.Time, exists bool) {
+	v := m.updated_at
+	if v == nil {
+		return
+	}
+	return *v, true
+}
+
+// OldUpdatedAt returns the old "updated_at" field's value of the Domain entity.
+// If the Domain object wasn't provided to the builder, the object is fetched from the database.
+// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
+func (m *DomainMutation) OldUpdatedAt(ctx context.Context) (v time.Time, err error) {
+	if !m.op.Is(OpUpdateOne) {
+		return v, errors.New("OldUpdatedAt is only allowed on UpdateOne operations")
+	}
+	if m.id == nil || m.oldValue == nil {
+		return v, errors.New("OldUpdatedAt requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldUpdatedAt: %w", err)
+	}
+	return oldValue.UpdatedAt, nil
+}
+
+// ResetUpdatedAt resets all changes to the "updated_at" field.
+func (m *DomainMutation) ResetUpdatedAt() {
+	m.updated_at = nil
+}
+
+// Where appends a list predicates to the DomainMutation builder.
+func (m *DomainMutation) Where(ps ...predicate.Domain) {
+	m.predicates = append(m.predicates, ps...)
+}
+
+// WhereP appends storage-level predicates to the DomainMutation builder. Using this method,
+// users can use type-assertion to append predicates that do not depend on any generated package.
+func (m *DomainMutation) WhereP(ps ...func(*sql.Selector)) {
+	p := make([]predicate.Domain, len(ps))
+	for i := range ps {
+		p[i] = ps[i]
+	}
+	m.Where(p...)
+}
+
+// Op returns the operation name.
+func (m *DomainMutation) Op() Op {
+	return m.op
+}
+
+// SetOp allows setting the mutation operation.
+func (m *DomainMutation) SetOp(op Op) {
+	m.op = op
+}
+
+// Type returns the node type of this mutation (Domain).
+func (m *DomainMutation) Type() string {
+	return m.typ
+}
+
+// Fields returns all fields that were changed during this mutation. Note that in
+// order to get all numeric fields that were incremented/decremented, call
+// AddedFields().
+func (m *DomainMutation) Fields() []string {
+	fields := make([]string, 0, 5)
+	if m.domain != nil {
+		fields = append(fields, domain.FieldDomain)
+	}
+	if m.client_api_key != nil {
+		fields = append(fields, domain.FieldClientAPIKey)
+	}
+	if m.memo != nil {
+		fields = append(fields, domain.FieldMemo)
+	}
+	if m.created_at != nil {
+		fields = append(fields, domain.FieldCreatedAt)
+	}
+	if m.updated_at != nil {
+		fields = append(fields, domain.FieldUpdatedAt)
+	}
+	return fields
+}
+
+// Field returns the value of a field with the given name. The second boolean
+// return value indicates that this field was not set, or was not defined in the
+// schema.
+func (m *DomainMutation) Field(name string) (ent.Value, bool) {
+	switch name {
+	case domain.FieldDomain:
+		return m.Domain()
+	case domain.FieldClientAPIKey:
+		return m.ClientAPIKey()
+	case domain.FieldMemo:
+		return m.Memo()
+	case domain.FieldCreatedAt:
+		return m.CreatedAt()
+	case domain.FieldUpdatedAt:
+		return m.UpdatedAt()
+	}
+	return nil, false
+}
+
+// OldField returns the old value of the field from the database. An error is
+// returned if the mutation operation is not UpdateOne, or the query to the
+// database failed.
+func (m *DomainMutation) OldField(ctx context.Context, name string) (ent.Value, error) {
+	switch name {
+	case domain.FieldDomain:
+		return m.OldDomain(ctx)
+	case domain.FieldClientAPIKey:
+		return m.OldClientAPIKey(ctx)
+	case domain.FieldMemo:
+		return m.OldMemo(ctx)
+	case domain.FieldCreatedAt:
+		return m.OldCreatedAt(ctx)
+	case domain.FieldUpdatedAt:
+		return m.OldUpdatedAt(ctx)
+	}
+	return nil, fmt.Errorf("unknown Domain field %s", name)
+}
+
+// SetField sets the value of a field with the given name. It returns an error if
+// the field is not defined in the schema, or if the type mismatched the field
+// type.
+func (m *DomainMutation) SetField(name string, value ent.Value) error {
+	switch name {
+	case domain.FieldDomain:
+		v, ok := value.(string)
+		if !ok {
+			return fmt.Errorf("unexpected type %T for field %s", value, name)
+		}
+		m.SetDomain(v)
+		return nil
+	case domain.FieldClientAPIKey:
+		v, ok := value.(string)
+		if !ok {
+			return fmt.Errorf("unexpected type %T for field %s", value, name)
+		}
+		m.SetClientAPIKey(v)
+		return nil
+	case domain.FieldMemo:
+		v, ok := value.(string)
+		if !ok {
+			return fmt.Errorf("unexpected type %T for field %s", value, name)
+		}
+		m.SetMemo(v)
+		return nil
+	case domain.FieldCreatedAt:
+		v, ok := value.(time.Time)
+		if !ok {
+			return fmt.Errorf("unexpected type %T for field %s", value, name)
+		}
+		m.SetCreatedAt(v)
+		return nil
+	case domain.FieldUpdatedAt:
+		v, ok := value.(time.Time)
+		if !ok {
+			return fmt.Errorf("unexpected type %T for field %s", value, name)
+		}
+		m.SetUpdatedAt(v)
+		return nil
+	}
+	return fmt.Errorf("unknown Domain field %s", name)
+}
+
+// AddedFields returns all numeric fields that were incremented/decremented during
+// this mutation.
+func (m *DomainMutation) AddedFields() []string {
+	return nil
+}
+
+// AddedField returns the numeric value that was incremented/decremented on a field
+// with the given name. The second boolean return value indicates that this field
+// was not set, or was not defined in the schema.
+func (m *DomainMutation) AddedField(name string) (ent.Value, bool) {
+	return nil, false
+}
+
+// AddField adds the value to the field with the given name. It returns an error if
+// the field is not defined in the schema, or if the type mismatched the field
+// type.
+func (m *DomainMutation) AddField(name string, value ent.Value) error {
+	switch name {
+	}
+	return fmt.Errorf("unknown Domain numeric field %s", name)
+}
+
+// ClearedFields returns all nullable fields that were cleared during this
+// mutation.
+func (m *DomainMutation) ClearedFields() []string {
+	return nil
+}
+
+// FieldCleared returns a boolean indicating if a field with the given name was
+// cleared in this mutation.
+func (m *DomainMutation) FieldCleared(name string) bool {
+	_, ok := m.clearedFields[name]
+	return ok
+}
+
+// ClearField clears the value of the field with the given name. It returns an
+// error if the field is not defined in the schema.
+func (m *DomainMutation) ClearField(name string) error {
+	return fmt.Errorf("unknown Domain nullable field %s", name)
+}
+
+// ResetField resets all changes in the mutation for the field with the given name.
+// It returns an error if the field is not defined in the schema.
+func (m *DomainMutation) ResetField(name string) error {
+	switch name {
+	case domain.FieldDomain:
+		m.ResetDomain()
+		return nil
+	case domain.FieldClientAPIKey:
+		m.ResetClientAPIKey()
+		return nil
+	case domain.FieldMemo:
+		m.ResetMemo()
+		return nil
+	case domain.FieldCreatedAt:
+		m.ResetCreatedAt()
+		return nil
+	case domain.FieldUpdatedAt:
+		m.ResetUpdatedAt()
+		return nil
+	}
+	return fmt.Errorf("unknown Domain field %s", name)
+}
+
+// AddedEdges returns all edge names that were set/added in this mutation.
+func (m *DomainMutation) AddedEdges() []string {
+	edges := make([]string, 0, 0)
+	return edges
+}
+
+// AddedIDs returns all IDs (to other nodes) that were added for the given edge
+// name in this mutation.
+func (m *DomainMutation) AddedIDs(name string) []ent.Value {
+	return nil
+}
+
+// RemovedEdges returns all edge names that were removed in this mutation.
+func (m *DomainMutation) RemovedEdges() []string {
+	edges := make([]string, 0, 0)
+	return edges
+}
+
+// RemovedIDs returns all IDs (to other nodes) that were removed for the edge with
+// the given name in this mutation.
+func (m *DomainMutation) RemovedIDs(name string) []ent.Value {
+	return nil
+}
+
+// ClearedEdges returns all edge names that were cleared in this mutation.
+func (m *DomainMutation) ClearedEdges() []string {
+	edges := make([]string, 0, 0)
+	return edges
+}
+
+// EdgeCleared returns a boolean which indicates if the edge with the given name
+// was cleared in this mutation.
+func (m *DomainMutation) EdgeCleared(name string) bool {
+	return false
+}
+
+// ClearEdge clears the value of the edge with the given name. It returns an error
+// if that edge is not defined in the schema.
+func (m *DomainMutation) ClearEdge(name string) error {
+	return fmt.Errorf("unknown Domain unique edge %s", name)
+}
+
+// ResetEdge resets all changes to the edge with the given name in this mutation.
+// It returns an error if the edge is not defined in the schema.
+func (m *DomainMutation) ResetEdge(name string) error {
+	return fmt.Errorf("unknown Domain edge %s", name)
+}

ent/predicate/predicate.go

@@ -0,0 +1,10 @@
+// Code generated by ent, DO NOT EDIT.
+
+package predicate
+
+import (
+	"entgo.io/ent/dialect/sql"
+)
+
+// Domain is the predicate function for domain builders.
+type Domain func(*sql.Selector)

ent/runtime.go

@@ -0,0 +1,59 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"time"
+
+	"github.com/dalbodeule/hop-gate/ent/domain"
+	"github.com/dalbodeule/hop-gate/ent/schema"
+	"github.com/google/uuid"
+)
+
+// The init function reads all schema descriptors with runtime code
+// (default values, validators, hooks and policies) and stitches it
+// to their package variables.
+func init() {
+	domainFields := schema.Domain{}.Fields()
+	_ = domainFields
+	// domainDescDomain is the schema descriptor for domain field.
+	domainDescDomain := domainFields[1].Descriptor()
+	// domain.DomainValidator is a validator for the "domain" field. It is called by the builders before save.
+	domain.DomainValidator = domainDescDomain.Validators[0].(func(string) error)
+	// domainDescClientAPIKey is the schema descriptor for client_api_key field.
+	domainDescClientAPIKey := domainFields[2].Descriptor()
+	// domain.ClientAPIKeyValidator is a validator for the "client_api_key" field. It is called by the builders before save.
+	domain.ClientAPIKeyValidator = func() func(string) error {
+		validators := domainDescClientAPIKey.Validators
+		fns := [...]func(string) error{
+			validators[0].(func(string) error),
+			validators[1].(func(string) error),
+		}
+		return func(client_api_key string) error {
+			for _, fn := range fns {
+				if err := fn(client_api_key); err != nil {
+					return err
+				}
+			}
+			return nil
+		}
+	}()
+	// domainDescMemo is the schema descriptor for memo field.
+	domainDescMemo := domainFields[3].Descriptor()
+	// domain.DefaultMemo holds the default value on creation for the memo field.
+	domain.DefaultMemo = domainDescMemo.Default.(string)
+	// domainDescCreatedAt is the schema descriptor for created_at field.
+	domainDescCreatedAt := domainFields[4].Descriptor()
+	// domain.DefaultCreatedAt holds the default value on creation for the created_at field.
+	domain.DefaultCreatedAt = domainDescCreatedAt.Default.(func() time.Time)
+	// domainDescUpdatedAt is the schema descriptor for updated_at field.
+	domainDescUpdatedAt := domainFields[5].Descriptor()
+	// domain.DefaultUpdatedAt holds the default value on creation for the updated_at field.
+	domain.DefaultUpdatedAt = domainDescUpdatedAt.Default.(func() time.Time)
+	// domain.UpdateDefaultUpdatedAt holds the default value on update for the updated_at field.
+	domain.UpdateDefaultUpdatedAt = domainDescUpdatedAt.UpdateDefault.(func() time.Time)
+	// domainDescID is the schema descriptor for id field.
+	domainDescID := domainFields[0].Descriptor()
+	// domain.DefaultID holds the default value on creation for the id field.
+	domain.DefaultID = domainDescID.Default.(func() uuid.UUID)
+}

ent/runtime/runtime.go

@@ -0,0 +1,10 @@
+// Code generated by ent, DO NOT EDIT.
+
+package runtime
+
+// The schema-stitching logic is generated in github.com/dalbodeule/hop-gate/ent/runtime.go
+
+const (
+	Version = "v0.14.5"                                         // Version of ent codegen.
+	Sum     = "h1:Rj2WOYJtCkWyFo6a+5wB3EfBRP0rnx1fMk6gGA0UUe4=" // Sum of ent codegen.
+)

ent/tx.go

@@ -0,0 +1,210 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"sync"
+
+	"entgo.io/ent/dialect"
+)
+
+// Tx is a transactional client that is created by calling Client.Tx().
+type Tx struct {
+	config
+	// Domain is the client for interacting with the Domain builders.
+	Domain *DomainClient
+
+	// lazily loaded.
+	client     *Client
+	clientOnce sync.Once
+	// ctx lives for the life of the transaction. It is
+	// the same context used by the underlying connection.
+	ctx context.Context
+}
+
+type (
+	// Committer is the interface that wraps the Commit method.
+	Committer interface {
+		Commit(context.Context, *Tx) error
+	}
+
+	// The CommitFunc type is an adapter to allow the use of ordinary
+	// function as a Committer. If f is a function with the appropriate
+	// signature, CommitFunc(f) is a Committer that calls f.
+	CommitFunc func(context.Context, *Tx) error
+
+	// CommitHook defines the "commit middleware". A function that gets a Committer
+	// and returns a Committer. For example:
+	//
+	//	hook := func(next ent.Committer) ent.Committer {
+	//		return ent.CommitFunc(func(ctx context.Context, tx *ent.Tx) error {
+	//			// Do some stuff before.
+	//			if err := next.Commit(ctx, tx); err != nil {
+	//				return err
+	//			}
+	//			// Do some stuff after.
+	//			return nil
+	//		})
+	//	}
+	//
+	CommitHook func(Committer) Committer
+)
+
+// Commit calls f(ctx, m).
+func (f CommitFunc) Commit(ctx context.Context, tx *Tx) error {
+	return f(ctx, tx)
+}
+
+// Commit commits the transaction.
+func (tx *Tx) Commit() error {
+	txDriver := tx.config.driver.(*txDriver)
+	var fn Committer = CommitFunc(func(context.Context, *Tx) error {
+		return txDriver.tx.Commit()
+	})
+	txDriver.mu.Lock()
+	hooks := append([]CommitHook(nil), txDriver.onCommit...)
+	txDriver.mu.Unlock()
+	for i := len(hooks) - 1; i >= 0; i-- {
+		fn = hooks[i](fn)
+	}
+	return fn.Commit(tx.ctx, tx)
+}
+
+// OnCommit adds a hook to call on commit.
+func (tx *Tx) OnCommit(f CommitHook) {
+	txDriver := tx.config.driver.(*txDriver)
+	txDriver.mu.Lock()
+	txDriver.onCommit = append(txDriver.onCommit, f)
+	txDriver.mu.Unlock()
+}
+
+type (
+	// Rollbacker is the interface that wraps the Rollback method.
+	Rollbacker interface {
+		Rollback(context.Context, *Tx) error
+	}
+
+	// The RollbackFunc type is an adapter to allow the use of ordinary
+	// function as a Rollbacker. If f is a function with the appropriate
+	// signature, RollbackFunc(f) is a Rollbacker that calls f.
+	RollbackFunc func(context.Context, *Tx) error
+
+	// RollbackHook defines the "rollback middleware". A function that gets a Rollbacker
+	// and returns a Rollbacker. For example:
+	//
+	//	hook := func(next ent.Rollbacker) ent.Rollbacker {
+	//		return ent.RollbackFunc(func(ctx context.Context, tx *ent.Tx) error {
+	//			// Do some stuff before.
+	//			if err := next.Rollback(ctx, tx); err != nil {
+	//				return err
+	//			}
+	//			// Do some stuff after.
+	//			return nil
+	//		})
+	//	}
+	//
+	RollbackHook func(Rollbacker) Rollbacker
+)
+
+// Rollback calls f(ctx, m).
+func (f RollbackFunc) Rollback(ctx context.Context, tx *Tx) error {
+	return f(ctx, tx)
+}
+
+// Rollback rollbacks the transaction.
+func (tx *Tx) Rollback() error {
+	txDriver := tx.config.driver.(*txDriver)
+	var fn Rollbacker = RollbackFunc(func(context.Context, *Tx) error {
+		return txDriver.tx.Rollback()
+	})
+	txDriver.mu.Lock()
+	hooks := append([]RollbackHook(nil), txDriver.onRollback...)
+	txDriver.mu.Unlock()
+	for i := len(hooks) - 1; i >= 0; i-- {
+		fn = hooks[i](fn)
+	}
+	return fn.Rollback(tx.ctx, tx)
+}
+
+// OnRollback adds a hook to call on rollback.
+func (tx *Tx) OnRollback(f RollbackHook) {
+	txDriver := tx.config.driver.(*txDriver)
+	txDriver.mu.Lock()
+	txDriver.onRollback = append(txDriver.onRollback, f)
+	txDriver.mu.Unlock()
+}
+
+// Client returns a Client that binds to current transaction.
+func (tx *Tx) Client() *Client {
+	tx.clientOnce.Do(func() {
+		tx.client = &Client{config: tx.config}
+		tx.client.init()
+	})
+	return tx.client
+}
+
+func (tx *Tx) init() {
+	tx.Domain = NewDomainClient(tx.config)
+}
+
+// txDriver wraps the given dialect.Tx with a nop dialect.Driver implementation.
+// The idea is to support transactions without adding any extra code to the builders.
+// When a builder calls to driver.Tx(), it gets the same dialect.Tx instance.
+// Commit and Rollback are nop for the internal builders and the user must call one
+// of them in order to commit or rollback the transaction.
+//
+// If a closed transaction is embedded in one of the generated entities, and the entity
+// applies a query, for example: Domain.QueryXXX(), the query will be executed
+// through the driver which created this transaction.
+//
+// Note that txDriver is not goroutine safe.
+type txDriver struct {
+	// the driver we started the transaction from.
+	drv dialect.Driver
+	// tx is the underlying transaction.
+	tx dialect.Tx
+	// completion hooks.
+	mu         sync.Mutex
+	onCommit   []CommitHook
+	onRollback []RollbackHook
+}
+
+// newTx creates a new transactional driver.
+func newTx(ctx context.Context, drv dialect.Driver) (*txDriver, error) {
+	tx, err := drv.Tx(ctx)
+	if err != nil {
+		return nil, err
+	}
+	return &txDriver{tx: tx, drv: drv}, nil
+}
+
+// Tx returns the transaction wrapper (txDriver) to avoid Commit or Rollback calls
+// from the internal builders. Should be called only by the internal builders.
+func (tx *txDriver) Tx(context.Context) (dialect.Tx, error) { return tx, nil }
+
+// Dialect returns the dialect of the driver we started the transaction from.
+func (tx *txDriver) Dialect() string { return tx.drv.Dialect() }
+
+// Close is a nop close.
+func (*txDriver) Close() error { return nil }
+
+// Commit is a nop commit for the internal builders.
+// User must call `Tx.Commit` in order to commit the transaction.
+func (*txDriver) Commit() error { return nil }
+
+// Rollback is a nop rollback for the internal builders.
+// User must call `Tx.Rollback` in order to rollback the transaction.
+func (*txDriver) Rollback() error { return nil }
+
+// Exec calls tx.Exec.
+func (tx *txDriver) Exec(ctx context.Context, query string, args, v any) error {
+	return tx.tx.Exec(ctx, query, args, v)
+}
+
+// Query calls tx.Query.
+func (tx *txDriver) Query(ctx context.Context, query string, args, v any) error {
+	return tx.tx.Query(ctx, query, args, v)
+}
+
+var _ dialect.Driver = (*txDriver)(nil)

go.mod

@@ -5,13 +5,26 @@ go 1.25.4
 require (
 	entgo.io/ent v0.14.5
 	github.com/google/uuid v1.3.0
+	github.com/lib/pq v1.10.9
 	github.com/pion/dtls/v3 v3.0.7
 	golang.org/x/net v0.47.0
 )
 
 require (
+	ariga.io/atlas v0.32.1-0.20250325101103-175b25e1c1b9 // indirect
+	github.com/agext/levenshtein v1.2.3 // indirect
+	github.com/apparentlymart/go-textseg/v15 v15.0.0 // indirect
+	github.com/bmatcuk/doublestar v1.3.4 // indirect
+	github.com/go-openapi/inflect v0.19.0 // indirect
+	github.com/google/go-cmp v0.6.0 // indirect
+	github.com/hashicorp/hcl/v2 v2.18.1 // indirect
+	github.com/mitchellh/go-wordwrap v1.0.1 // indirect
 	github.com/pion/logging v0.2.4 // indirect
 	github.com/pion/transport/v3 v3.0.7 // indirect
+	github.com/rogpeppe/go-internal v1.14.1 // indirect
+	github.com/zclconf/go-cty v1.14.4 // indirect
+	github.com/zclconf/go-cty-yaml v1.1.0 // indirect
 	golang.org/x/crypto v0.44.0 // indirect
+	golang.org/x/mod v0.29.0 // indirect
 	golang.org/x/text v0.31.0 // indirect
 )

go.sum

@@ -1,9 +1,39 @@
+ariga.io/atlas v0.32.1-0.20250325101103-175b25e1c1b9 h1:E0wvcUXTkgyN4wy4LGtNzMNGMytJN8afmIWXJVMi4cc=
+ariga.io/atlas v0.32.1-0.20250325101103-175b25e1c1b9/go.mod h1:Oe1xWPuu5q9LzyrWfbZmEZxFYeu4BHTyzfjeW2aZp/w=
 entgo.io/ent v0.14.5 h1:Rj2WOYJtCkWyFo6a+5wB3EfBRP0rnx1fMk6gGA0UUe4=
 entgo.io/ent v0.14.5/go.mod h1:zTzLmWtPvGpmSwtkaayM2cm5m819NdM7z7tYPq3vN0U=
+github.com/DATA-DOG/go-sqlmock v1.5.0 h1:Shsta01QNfFxHCfpW6YH2STWB0MudeXXEWMr20OEh60=
+github.com/DATA-DOG/go-sqlmock v1.5.0/go.mod h1:f/Ixk793poVmq4qj/V1dPUg2JEAKC73Q5eFN3EC/SaM=
+github.com/agext/levenshtein v1.2.3 h1:YB2fHEn0UJagG8T1rrWknE3ZQzWM06O8AMAatNn7lmo=
+github.com/agext/levenshtein v1.2.3/go.mod h1:JEDfjyjHDjOF/1e4FlBE/PkbqA9OfWu2ki2W0IB5558=
+github.com/apparentlymart/go-textseg/v15 v15.0.0 h1:uYvfpb3DyLSCGWnctWKGj857c6ew1u1fNQOlOtuGxQY=
+github.com/apparentlymart/go-textseg/v15 v15.0.0/go.mod h1:K8XmNZdhEBkdlyDdvbmmsvpAG721bKi0joRfFdHIWJ4=
+github.com/bmatcuk/doublestar v1.3.4 h1:gPypJ5xD31uhX6Tf54sDPUOBXTqKH4c9aPY66CyQrS0=
+github.com/bmatcuk/doublestar v1.3.4/go.mod h1:wiQtGV+rzVYxB7WIlirSN++5HPtPlXEo9MEoZQC/PmE=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/go-openapi/inflect v0.19.0 h1:9jCH9scKIbHeV9m12SmPilScz6krDxKRasNNSNPXu/4=
+github.com/go-openapi/inflect v0.19.0/go.mod h1:lHpZVlpIQqLyKwJ4N+YSc9hchQy/i12fJykb83CRBH4=
+github.com/go-test/deep v1.0.3 h1:ZrJSEWsXzPOxaZnFteGEfooLba+ju3FYIbOrS+rQd68=
+github.com/go-test/deep v1.0.3/go.mod h1:wGDj63lr65AM2AQyKZd/NYHGb0R+1RLqB8NKt3aSFNA=
+github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
+github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
 github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/hashicorp/hcl/v2 v2.18.1 h1:6nxnOJFku1EuSawSD81fuviYUV8DxFr3fp2dUi3ZYSo=
+github.com/hashicorp/hcl/v2 v2.18.1/go.mod h1:ThLC89FV4p9MPW804KVbe/cEXoQ8NZEh+JtMeeGErHE=
+github.com/kr/pretty v0.3.0 h1:WgNl7dwNpEZ6jJ9k1snq4pZsg7DOEN8hP9Xw0Tsjwk0=
+github.com/kr/pretty v0.3.0/go.mod h1:640gp4NfQd8pI5XOwp5fnNeVWj67G7CFk/SaSQn7NBk=
+github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
+github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
+github.com/kylelemons/godebug v1.1.0 h1:RPNrshWIDI6G2gRW9EHilWtl7Z6Sb1BR0xunSBf0SNc=
+github.com/kylelemons/godebug v1.1.0/go.mod h1:9/0rRGxNHcop5bhtWyNeEfOS8JIWk580+fNqagV/RAw=
+github.com/lib/pq v1.10.9 h1:YXG7RB+JIjhP29X+OtkiDnYaXQwpS4JEWq7dtCCRUEw=
+github.com/lib/pq v1.10.9/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
+github.com/mattn/go-sqlite3 v1.14.17 h1:mCRHCLDUBXgpKAqIKsaAaAsrAlbkeomtRFKXh2L6YIM=
+github.com/mattn/go-sqlite3 v1.14.17/go.mod h1:2eHXhiwb8IkHr+BDWZGa96P6+rkvnG63S2DGjv9HUNg=
+github.com/mitchellh/go-wordwrap v1.0.1 h1:TLuKupo69TCn6TQSyGxwI1EblZZEsQ0vMlAFQflz0v0=
+github.com/mitchellh/go-wordwrap v1.0.1/go.mod h1:R62XHJLzvMFRBbcrT7m7WgmE1eOyTSsCt+hzestvNj0=
 github.com/pion/dtls/v3 v3.0.7 h1:bItXtTYYhZwkPFk4t1n3Kkf5TDrfj6+4wG+CZR8uI9Q=
 github.com/pion/dtls/v3 v3.0.7/go.mod h1:uDlH5VPrgOQIw59irKYkMudSFprY9IEFCqz/eTz16f8=
 github.com/pion/logging v0.2.4 h1:tTew+7cmQ+Mc1pTBLKH2puKsOvhm32dROumOZ655zB8=
@@ -12,10 +42,20 @@ github.com/pion/transport/v3 v3.0.7 h1:iRbMH05BzSNwhILHoBoAPxoB9xQgOaJk+591KC9P1
 github.com/pion/transport/v3 v3.0.7/go.mod h1:YleKiTZ4vqNxVwh77Z0zytYi7rXHl7j6uPLGhhz9rwo=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/rogpeppe/go-internal v1.14.1 h1:UQB4HGPB6osV0SQTLymcB4TgvyWu6ZyliaW0tI/otEQ=
+github.com/rogpeppe/go-internal v1.14.1/go.mod h1:MaRKkUm5W0goXpeCfT7UZI6fk/L7L7so1lCWt35ZSgc=
+github.com/sergi/go-diff v1.3.1 h1:xkr+Oxo4BOQKmkn/B9eMK0g5Kg/983T9DqqPHwYqD+8=
+github.com/sergi/go-diff v1.3.1/go.mod h1:aMJSSKb2lpPvRNec0+w3fl7LP9IOFzdc9Pa4NFbPK1I=
 github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
 github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+github.com/zclconf/go-cty v1.14.4 h1:uXXczd9QDGsgu0i/QFR/hzI5NYCHLf6NQw/atrbnhq8=
+github.com/zclconf/go-cty v1.14.4/go.mod h1:VvMs5i0vgZdhYawQNq5kePSpLAoz8u1xvZgrPIxfnZE=
+github.com/zclconf/go-cty-yaml v1.1.0 h1:nP+jp0qPHv2IhUVqmQSzjvqAWcObN0KBkUl2rWBdig0=
+github.com/zclconf/go-cty-yaml v1.1.0/go.mod h1:9YLUH4g7lOhVWqUbctnVlZ5KLpg7JAprQNgxSZ1Gyxs=
 golang.org/x/crypto v0.44.0 h1:A97SsFvM3AIwEEmTBiaxPPTYpDC47w720rdiiUvgoAU=
 golang.org/x/crypto v0.44.0/go.mod h1:013i+Nw79BMiQiMsOPcVCB5ZIJbYkerPrGnOa00tvmc=
+golang.org/x/mod v0.29.0 h1:HV8lRxZC4l2cr3Zq1LvtOsi/ThTgWnUk/y64QSs8GwA=
+golang.org/x/mod v0.29.0/go.mod h1:NyhrlYXJ2H4eJiRy/WDBO6HMqZQ6q9nk4JzS3NuCK+w=
 golang.org/x/net v0.47.0 h1:Mx+4dIFzqraBXUugkia1OOvlD6LemFo1ALMHjrXDOhY=
 golang.org/x/net v0.47.0/go.mod h1:/jNxtkgq5yWUGYkaZGqo27cfGZ1c5Nen03aYrrKpVRU=
 golang.org/x/text v0.31.0 h1:aC8ghyu4JhP8VojJ2lEHBnochRno1sgL6nEi9WGFGMM=

internal/store/postgres.go

@@ -0,0 +1,170 @@
+package store
+
+import (
+	"context"
+	"database/sql"
+	"fmt"
+	"os"
+	"strings"
+	"time"
+
+	entsql "entgo.io/ent/dialect/sql"
+
+	"github.com/dalbodeule/hop-gate/ent"
+	"github.com/dalbodeule/hop-gate/internal/logging"
+
+	_ "github.com/lib/pq"
+)
+
+// Config holds PostgreSQL connection and pool settings.
+type Config struct {
+	DSN             string        // PostgreSQL DSN, e.g. postgres://user:pass@host:5432/db?sslmode=disable
+	MaxOpenConns    int           // maximum number of open connections
+	MaxIdleConns    int           // maximum number of idle connections
+	ConnMaxLifetime time.Duration // maximum connection lifetime
+}
+
+// defaultConfig returns reasonable defaults for local development.
+func defaultConfig() Config {
+	return Config{
+		MaxOpenConns:    10,
+		MaxIdleConns:    5,
+		ConnMaxLifetime: 30 * time.Minute,
+	}
+}
+
+// ConfigFromEnv builds a Config from environment variables.
+//
+// Environment variables:
+//   - HOP_DB_DSN                : required, PostgreSQL DSN
+//   - HOP_DB_MAX_OPEN_CONNS     : optional, int, default 10
+//   - HOP_DB_MAX_IDLE_CONNS     : optional, int, default 5
+//   - HOP_DB_CONN_MAX_LIFETIME  : optional, duration (e.g. "30m"), default 30m
+func ConfigFromEnv() (Config, error) {
+	cfg := defaultConfig()
+
+	dsn := strings.TrimSpace(os.Getenv("HOP_DB_DSN"))
+	if dsn == "" {
+		return Config{}, fmt.Errorf("HOP_DB_DSN is required")
+	}
+	cfg.DSN = dsn
+
+	if v := strings.TrimSpace(os.Getenv("HOP_DB_MAX_OPEN_CONNS")); v != "" {
+		if n, err := parseInt(v); err == nil && n > 0 {
+			cfg.MaxOpenConns = n
+		}
+	}
+
+	if v := strings.TrimSpace(os.Getenv("HOP_DB_MAX_IDLE_CONNS")); v != "" {
+		if n, err := parseInt(v); err == nil && n >= 0 {
+			cfg.MaxIdleConns = n
+		}
+	}
+
+	if v := strings.TrimSpace(os.Getenv("HOP_DB_CONN_MAX_LIFETIME")); v != "" {
+		if d, err := time.ParseDuration(v); err == nil && d > 0 {
+			cfg.ConnMaxLifetime = d
+		}
+	}
+
+	return cfg, nil
+}
+
+func parseInt(s string) (int, error) {
+	var n int
+	_, err := fmt.Sscanf(s, "%d", &n)
+	return n, err
+}
+
+// OpenPostgres opens an ent.Client backed by PostgreSQL, configures the pool,
+// verifies the connection, and runs schema migrations (DB init).
+//
+// This will create tables if they do not exist, based on ent schema definitions.
+func OpenPostgres(ctx context.Context, logger logging.Logger, cfg Config) (*ent.Client, error) {
+	if strings.TrimSpace(cfg.DSN) == "" {
+		return nil, fmt.Errorf("postgres DSN is empty")
+	}
+
+	// Open a *sql.DB using the standard library, then wrap it with ent's SQL driver.
+	db, err := sql.Open("postgres", cfg.DSN)
+	if err != nil {
+		return nil, fmt.Errorf("open postgres db: %w", err)
+	}
+
+	// If anything fails after this, close db explicitly.
+	if err := configurePool(db, cfg); err != nil {
+		_ = db.Close()
+		return nil, fmt.Errorf("configure db pool: %w", err)
+	}
+
+	if err := ping(ctx, db); err != nil {
+		_ = db.Close()
+		return nil, fmt.Errorf("ping postgres: %w", err)
+	}
+
+	// Wrap the *sql.DB with the ent SQL driver and create the ent client.
+	//
+	// From this point on, ent owns the underlying *sql.DB; callers should close
+	// the ent.Client when shutting down.
+	entDrv := entsql.OpenDB("postgres", db)
+	client := ent.NewClient(ent.Driver(entDrv))
+
+	// Auto-migrate schema: creates tables if they do not exist.
+	if err := client.Schema.Create(ctx); err != nil {
+		_ = client.Close()
+		return nil, fmt.Errorf("ent schema create: %w", err)
+	}
+
+	logger.Info("connected to postgres and applied schema", logging.Fields{
+		"dsn_masked": maskDSN(cfg.DSN),
+	})
+
+	return client, nil
+}
+
+func configurePool(db *sql.DB, cfg Config) error {
+	if db == nil {
+		return fmt.Errorf("db is nil")
+	}
+	if cfg.MaxOpenConns > 0 {
+		db.SetMaxOpenConns(cfg.MaxOpenConns)
+	}
+	if cfg.MaxIdleConns >= 0 {
+		db.SetMaxIdleConns(cfg.MaxIdleConns)
+	}
+	if cfg.ConnMaxLifetime > 0 {
+		db.SetConnMaxLifetime(cfg.ConnMaxLifetime)
+	}
+	return nil
+}
+
+func ping(ctx context.Context, db *sql.DB) error {
+	if db == nil {
+		return fmt.Errorf("db is nil")
+	}
+	if ctx == nil {
+		ctx = context.Background()
+	}
+	return db.PingContext(ctx)
+}
+
+// OpenPostgresFromEnv is a convenience helper that reads configuration
+// from environment variables and opens a PostgreSQL ent client.
+//
+// It is intended to be called from the server side at startup.
+func OpenPostgresFromEnv(ctx context.Context, logger logging.Logger) (*ent.Client, error) {
+	cfg, err := ConfigFromEnv()
+	if err != nil {
+		return nil, err
+	}
+	return OpenPostgres(ctx, logger, cfg)
+}
+
+// maskDSN hides password in DSN for safe logging.
+func maskDSN(dsn string) string {
+	// Very simple masking: do not log full DSN.
+	if dsn == "" {
+		return ""
+	}
+	return "***"
+}

tools/gen_ent.sh

@@ -0,0 +1,45 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# 프로젝트 루트 기준으로 실행한다고 가정.
+# 이 스크립트를 프로젝트 루트에서 실행하지 않는다면,
+# 아래 BASE_DIR 를 적절히 조정하거나 `cd`를 추가하세요.
+BASE_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+cd "$BASE_DIR"
+
+echo "[ent] project root: $BASE_DIR"
+
+# 1. ent 바이너리 체크
+if ! command -v ent >/dev/null 2>&1; then
+  echo "[ent] 'ent' CLI 가 설치되어 있지 않습니다."
+  echo "      설치: go install entgo.io/ent/cmd/ent@latest"
+  exit 1
+fi
+
+# 2. ./ent/schema/*.go 존재 확인
+SCHEMA_DIR="$BASE_DIR/ent/schema"
+if [ ! -d "$SCHEMA_DIR" ]; then
+  echo "[ent] 스키마 디렉터리가 없습니다: $SCHEMA_DIR"
+  exit 1
+fi
+
+shopt -s nullglob
+SCHEMA_FILES=("$SCHEMA_DIR"/*.go)
+shopt -u nullglob
+
+if [ ${#SCHEMA_FILES[@]} -eq 0 ]; then
+  echo "[ent] 스키마 파일(./ent/schema/*.go)이 없습니다."
+  exit 1
+fi
+
+echo "[ent] schema files:"
+for f in "${SCHEMA_FILES[@]}"; do
+  echo "  - $f"
+done
+
+# 3. ent 코드 생성
+echo "[ent] generating ent client from ./ent/schema"
+ent generate ./ent/schema
+echo "[ent] ent code generation complete."
+
+echo "[ent] done."