add remove command

src/main/kotlin/space/mori/chzzk_bot/discord/commands/RemoveCommand.kt

@@ -0,0 +1,43 @@
+package space.mori.chzzk_bot.discord.commands
+
+import net.dv8tion.jda.api.JDA
+import net.dv8tion.jda.api.events.interaction.command.SlashCommandInteractionEvent
+import net.dv8tion.jda.api.interactions.commands.OptionType
+import net.dv8tion.jda.api.interactions.commands.build.Commands
+import net.dv8tion.jda.api.interactions.commands.build.OptionData
+import org.slf4j.LoggerFactory
+import space.mori.chzzk_bot.discord.Command
+import space.mori.chzzk_bot.discord.CommandInterface
+import space.mori.chzzk_bot.services.CommandService
+import space.mori.chzzk_bot.services.UserService
+
+@Command
+object RemoveCommand : CommandInterface {
+    private val logger = LoggerFactory.getLogger(this::class.java)
+    override val name: String = "remove"
+    override val command = Commands.slash(name, "명령어를 삭제합니다.")
+        .addOptions(OptionData(OptionType.STRING, "label", "삭제할 명령어를 입력하세요.", true))
+
+    override fun run(event: SlashCommandInteractionEvent, bot: JDA) {
+        val label = event.getOption("label")?.asString
+
+        if(label == null) {
+            event.hook.sendMessage("명령어는 필수 입력입니다.").queue()
+            return
+        }
+
+        val user = UserService.getUser(event.user.idLong)
+        if(user == null) {
+            event.hook.sendMessage("치지직 계정을 찾을 수 없습니다.").queue()
+            return
+        }
+
+        try {
+            CommandService.removeCommand(user, label)
+            event.hook.sendMessage("삭제가 완료되었습니다. $label").queue()
+        } catch (e: Exception) {
+            event.hook.sendMessage("에러가 발생했습니다.").queue()
+            logger.debug(e.stackTraceToString())
+        }
+    }
+}

src/main/kotlin/space/mori/chzzk_bot/services/CommandService.kt

@@ -1,6 +1,7 @@
 package space.mori.chzzk_bot.services
 
 import org.jetbrains.exposed.sql.SqlExpressionBuilder.eq
+import org.jetbrains.exposed.sql.and
 import org.jetbrains.exposed.sql.transactions.transaction
 import space.mori.chzzk_bot.models.Command
 import space.mori.chzzk_bot.models.Commands
@@ -17,6 +18,17 @@ object CommandService {
         }
     }
 
+    fun removeCommand(user: User, command: String): Command? {
+        return transaction {
+            val commandRow = Command.find(Commands.user eq user.id and(Commands.command eq command)).firstOrNull()
+
+            commandRow ?: throw RuntimeException("Command not found! $command")
+            commandRow.delete()
+
+            return@transaction commandRow
+        }
+    }
+
     fun getCommand(id: Int): Command? {
         return transaction {
             return@transaction Command.findById(id)