refactor: create functions for handlers

src/db/postgres/index.ts

@@ -1,5 +1,6 @@
 import { createClient } from '@libsql/client'
 import { drizzle } from 'drizzle-orm/libsql'
+import { migrate } from 'drizzle-orm/libsql/migrator'
 
 import config from '../../config/config'
 
@@ -9,3 +10,9 @@ const client = createClient({
 })
 export const db = drizzle(client)
 export type DB = typeof db
+
+export async function startMigration() {
+  console.log('Running migration...')
+  await migrate(db, { migrationsFolder: 'drizzle' })
+  console.log('Migrations is done')
+}

src/handlers/saldoHandler.ts

@@ -0,0 +1,12 @@
+import { MyContext } from '../interfaces/context'
+
+export const saldoHandler = async (ctx: MyContext) => {
+  try {
+    const user = ctx.user
+
+    ctx.reply(`Jumlah saldo mu adalah: ${user.credits}`)
+  } catch (error) {
+    console.error(error)
+    ctx.reply(`Terjadi error yang tak terduga!, ${error}`)
+  }
+}

src/handlers/textHandler.ts

@@ -0,0 +1,23 @@
+import { NarrowedContext } from 'telegraf'
+import { Message, Update } from 'telegraf/typings/core/types/typegram'
+import { MyContext } from '../interfaces/context'
+
+export const textHandler = async (
+  ctx: NarrowedContext<
+    MyContext,
+    Update.MessageUpdate<Record<'text', unknown> & Message.TextMessage>
+  >,
+) => {
+  try {
+    if (ctx.user.credits === 0) {
+      return ctx.reply(
+        'Maaf, saldo anda tidak cukup, silakan isi ulang atau tunggu besok hari',
+      )
+    }
+
+    const keyword = ctx.message.text
+    await app.main(ctx, keyword)
+  } catch (error) {
+    console.error(error)
+  }
+}

src/middlewares/user.middleware.ts

@@ -0,0 +1,26 @@
+import { MyContext } from '../interfaces/context'
+import { addUser, findUserByID } from '../user.repository'
+
+export const checkUserMiddleware = async (
+  ctx: MyContext,
+  next: () => Promise<void>,
+) => {
+  try {
+    const userId = ctx.from?.id
+    const username = ctx.from?.username
+    if (!userId || !username)
+      throw new Error('User ID atau Username anda tidak valid')
+
+    const user = await findUserByID(userId)
+    if (user.length === 0) {
+      await addUser({ id: userId, username })
+    }
+
+    ctx.user = user[0]
+
+    await next()
+  } catch (error) {
+    console.error(error)
+    ctx.reply(`Terjadi error yang tak terduga!, ${error}`)
+  }
+}