feat: add learn command

scripts/create_table.sql

@@ -18,4 +18,13 @@ CREATE TABLE
         `created_at` datetime DEFAULT current_timestamp(),
         `persona` varchar(50) NOT NULL DEFAULT '',
         PRIMARY KEY (`id`)
+    );
+
+CREATE TABLE
+    learn (
+        command varchar(255) NOT NULL,
+        result varchar(255) NOT NULL,
+        user_id varchar(255) NOT NULL,
+        created_at datetime NOT NULL current_timestamp(),
+        primary key(`command`)
     );

src/Commands/learn.ts

@@ -0,0 +1,52 @@
+import { Command } from '../modules'
+import { Message } from 'discord.js'
+
+export default class extends Command {
+  public constructor() {
+    super('배워')
+  }
+
+  public async execute(msg: Message, args: string[]) {
+    const command = args[0]
+    const result = args[1].replaceAll('_', ' ')
+    const ignore = [
+      '학습데이터량',
+      '봇꺼',
+      '테스트',
+      '미간',
+      'Migan',
+      'migan',
+      '간미',
+    ]
+    const disallowed = ['@everyone', '@here']
+    const db = await msg.client.chatBot.db.getConnection()
+
+    ignore.forEach(ig => {
+      if (result.includes(ig)) {
+        return msg.channel.send('해ㄷ당 단어는 배울ㄹ 수 없어요.')
+      }
+    })
+
+    disallowed.forEach(di => {
+      if (result.includes(di)) {
+        return msg.channel.send('해당 단ㅇ어는 금지되어 있ㅅ어요.')
+      }
+    })
+
+    try {
+      await db.beginTransaction()
+      db.execute(
+        'INSERT INTO learn (command, result, user_id) VALUES (?, ?, ?);',
+        [command, result, msg.author.id],
+      )
+      await msg.channel.send(`${command}을/를 배웠ㅇ어요.`)
+      await db.commit()
+    } catch (err) {
+      console.error(err)
+      await db.rollback()
+      await msg.channel.send('배우는데 오류ㄹ가 생겨서 배우지 못했어ㅇ요.')
+    } finally {
+      db.release()
+    }
+  }
+}