@DisableDelete WIP

src/main/java/tech/ailef/dbadmin/external/annotations/DisableCreate.java

@@ -0,0 +1,33 @@
+/* 
+ * Spring Boot Database Admin - An automatically generated CRUD admin UI for Spring Boot apps
+ * Copyright (C) 2023 Ailef (http://ailef.tech)
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+
+package tech.ailef.dbadmin.external.annotations;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Disables create actions on the Entity class.
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.TYPE)
+public @interface DisableCreate {
+}

src/main/java/tech/ailef/dbadmin/external/annotations/DisableDelete.java

@@ -0,0 +1,33 @@
+/* 
+ * Spring Boot Database Admin - An automatically generated CRUD admin UI for Spring Boot apps
+ * Copyright (C) 2023 Ailef (http://ailef.tech)
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+
+package tech.ailef.dbadmin.external.annotations;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Disables delete actions on the Entity class.
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.TYPE)
+public @interface DisableDelete {
+}

src/main/java/tech/ailef/dbadmin/external/annotations/DisableEdit.java

@@ -0,0 +1,33 @@
+/* 
+ * Spring Boot Database Admin - An automatically generated CRUD admin UI for Spring Boot apps
+ * Copyright (C) 2023 Ailef (http://ailef.tech)
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+
+package tech.ailef.dbadmin.external.annotations;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Disables edit actions on the Entity class.
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.TYPE)
+public @interface DisableEdit {
+}

src/main/java/tech/ailef/dbadmin/external/controller/DefaultDbAdminController.java

@@ -309,6 +309,12 @@ public class DefaultDbAdminController {
 	public String delete(@PathVariable String className, @PathVariable String id, RedirectAttributes attr) {
 		DbObjectSchema schema = dbAdmin.findSchemaByClassName(className);
 		
+		if (!schema.isDeleteEnabled()) {
+			attr.addFlashAttribute("errorTitle", "Unable to DELETE row");
+			attr.addFlashAttribute("error", "DELETE operations have been disabled on this table.");
+			return "redirect:/" + properties.getBaseUrl() + "/model/" + className;
+		}
+		
 		try {
 			repository.delete(schema, id);
 		} catch (DataIntegrityViolationException e) {
@@ -332,6 +338,12 @@ public class DefaultDbAdminController {
 	public String delete(@PathVariable String className, @RequestParam String[] ids, RedirectAttributes attr) {
 		DbObjectSchema schema = dbAdmin.findSchemaByClassName(className);
 		
+		if (!schema.isDeleteEnabled()) {
+			attr.addFlashAttribute("errorTitle", "Unable to DELETE rows");
+			attr.addFlashAttribute("error", "DELETE operations have been disabled on this table.");
+			return "redirect:/" + properties.getBaseUrl() + "/model/" + className;
+		}
+		
 		int countDeleted = 0;
 		for (String id : ids) {
 			try {

src/main/java/tech/ailef/dbadmin/external/dbmapping/DbObjectSchema.java

@@ -38,6 +38,9 @@ import jakarta.persistence.OneToOne;
 import jakarta.persistence.Table;
 import tech.ailef.dbadmin.external.DbAdmin;
 import tech.ailef.dbadmin.external.annotations.ComputedColumn;
+import tech.ailef.dbadmin.external.annotations.DisableCreate;
+import tech.ailef.dbadmin.external.annotations.DisableDelete;
+import tech.ailef.dbadmin.external.annotations.DisableEdit;
 import tech.ailef.dbadmin.external.annotations.HiddenColumn;
 import tech.ailef.dbadmin.external.dto.MappingError;
 import tech.ailef.dbadmin.external.exceptions.DbAdminException;
@@ -335,6 +338,18 @@ public class DbObjectSchema {
 		}).toList();
 	}
 	
+	public boolean isDeleteEnabled() {
+		return entityClass.getAnnotation(DisableDelete.class) == null;
+	}
+	
+	public boolean isEditEnabled() {
+		return entityClass.getAnnotation(DisableEdit.class) == null;
+	}
+	
+	public boolean isCreateEnabled() {
+		return entityClass.getAnnotation(DisableCreate.class) == null;
+	}
+	
 	/**
 	 * Returns all the data in this schema, as `DbObject`s
 	 * @return

src/main/resources/static/css/dbadmin.css

@@ -30,6 +30,15 @@ a {
 	background: #EDECEF;
 }
 
+.btn-secondary.disable {
+	background-color: #A8ADB3; 
+	border: 1px solid #A8ADB3;
+}
+
+form.delete-form button.disable .bi {
+	color: #9298A0 !important;
+}
+
 .null-label {
 	background-color: #EEE;
 	border-radius: 5px;

src/main/resources/static/js/table.js

@@ -1,7 +1,16 @@
 function updateBulkActions(table, selected) {
+	let deleteEnabled = table.dataset.deleteenabled;
+	
 	let divs = document.querySelectorAll(".bulk-actions");
 	divs.forEach(div => {
-		div.innerHTML = `${selected} items selected <input type="submit" form="multi-delete-form" class="ui-btn btn btn-secondary" value="Delete">`;
+		if (deleteEnabled === "true") {
+			div.innerHTML = `${selected} items selected 
+				<input type="submit" form="multi-delete-form" 
+					class="ui-btn btn btn-secondary ${deleteEnabled === "false" ? 'disable' : ''} " value="Delete">`;
+		} else {
+			
+			div.innerHTML = `<p class="text-muted m-0 mt-1">DELETE not allowed on this table</p>`;
+		}
 	});
 }
 

src/main/resources/templates/fragments/data_row.html

@@ -5,14 +5,15 @@
 		<tr th:fragment="data_row(row, selectable)" class="table-data-row">
 			<td th:if=${selectable} class="table-checkbox">
 				<input type="checkbox" class="form-check-input" name="ids"
-					th:value="${row.getPrimaryKeyValue()}" form="multi-delete-form">
+					th:value="${row.getPrimaryKeyValue()}" form="multi-delete-form"
+					th:classAppend="|${!schema.isDeleteEnabled() ? 'disable' : ''}|">
 			</td>
 			<td class="text-center row-icons">
 				<a class="ps-1" th:href="|/${baseUrl}/model/${schema.getJavaClass().getName()}/edit/${row.getPrimaryKeyValue()}|">
 					<i class="bi bi-pencil-square"></i></a>
 				<form class="delete-form" method="POST" 
 					th:action="|/${baseUrl}/model/${schema.getJavaClass().getName()}/delete/${row.getPrimaryKeyValue()}|">
-					<button><i class="bi bi-trash"></i></button>
+					<button th:class="|${!schema.isDeleteEnabled() ? 'disable' : ''}|"><i class="bi bi-trash"></i></button>
 				</form>
 			</td>
 			<td th:each="field : ${schema.getSortedFields()}"

src/main/resources/templates/fragments/table_selectable.html

@@ -19,7 +19,9 @@
 				</a>
 			</th:block>
 		</th:block>
-		<div class="table-selectable table-responsive" th:fragment="table(results, schema)">
+		<div class="table-selectable table-responsive" th:fragment="table(results, schema)"
+			th:data-deleteenabled="${schema.isDeleteEnabled()}"
+			th:data-editenabled="${schema.isEditEnabled()}">
 			<div th:if="${results.isEmpty()}">
 				<p>This table contains no data.</p>
 			</div>
@@ -30,7 +32,8 @@
 				</nav>
 				<table class="table table-striped align-middle mt-3">
 					<tr class="table-data-row">
-						<th class="table-checkbox"><input type="checkbox" class="form-check-input check-all"></th>
+						<th class="table-checkbox"><input type="checkbox" class="form-check-input check-all"
+							th:classAppend="|${!schema.isDeleteEnabled() ? 'disable' : ''}|"></th>
 						<th></th>
 						<th class="table-data-row" th:each="field : ${schema.getSortedFields()}">
 							<div class="m-0 p-0 d-flex justify-content-between">