1. add login api

2. add get channel list api

route/api/twitch/index.js

@@ -0,0 +1,41 @@
+const Router = require('koa-router')
+const {
+  genError,
+  checkSession,
+  resObject
+} = require('@libs/route-utils')
+const r = new Router()
+
+const typeTwitch = async (c, n) => {
+  let text = `select * from "public"."twitch_channel" where "id" = $1`
+  let values = [c.session.user.id]
+  let result = await c.db.query({text, values})
+  c.state.channelList = result.rows
+  return n()
+}
+
+const typeSystem = async (c, n) => {
+  let text = `select * form "public"."twitch_channel"`
+  let values = [c.session.user.id]
+  let result = await c.db.query({text, values})
+  c.state.channelList = result.rows
+  return n()
+}
+
+r.get('/channels', checkSession, async (c, n) => {
+  if (c.session.loginType === 'twitch') {
+    return typeTwitch(c, n)
+  } else if (c.session.loginType === 'system') {
+    return typeSystem(c, n)
+  }
+
+  throw genError('Forbidden')
+}, async (c, n) => {
+  if (!('channelList' in c.state) || !Array.isArray(c.state.channelList)) throw genError('InternalError')
+
+  c.obj = resObject('Success', {
+    list: c.state.channelList
+  })
+})
+
+module.exports = r