add twitch stream notify

background.js

@@ -1,9 +1,7 @@
 const cron = require('cron')
 const DB = require('./libs/database')
 const fbParser = require('./libs/facebook-pageparse')
-const {
-  pushMessage
-} = require('./libs/line-message')
+const api = require('./libs/api-action')
 
 new cron.CronJob({ // eslint-disable-line
   cronTime: '00 */2 * * * *',
@@ -29,10 +27,21 @@ new cron.CronJob({ // eslint-disable-line
 
 const runCheckPage = async function (t) {
   let db = await DB.connect()
-  fbParser.getLastPost(t.page)
-    .then(async (data) => {
+
+  let data = null
+  try {
+    data = await fbParser.getLastPost(t.page)
+  } catch (err) {
+    db.release()
+  }
+  if (data === null) {
+    db.release()
+    return
+  }
+
   let n = Math.floor(Date.now() / 1000)
   if (t.post === data.id || data.time < (n - 10 * 60)) {
+    db.release()
     return
   }
   t.post = data.id
@@ -65,6 +74,7 @@ const runCheckPage = async function (t) {
     console.log(err)
   }
   if (rt === null || rt.rowCount === 0) {
+    db.release()
     return
   }
 
@@ -77,24 +87,113 @@ const runCheckPage = async function (t) {
       msg = msg.replace(/{link}/, data.link).replace(/{txt}/, data.txt).replace(/\\n/, '\n')
     }
 
-        pushMessage(tmp.group, msg).then(() => {}).catch(() => {})
+    api.line.pushMessage(tmp.group, msg).then(() => { }).catch(() => { })
   }
-    })
-    .then(() => {
   db.release()
-    })
-    .catch(() => {
-      db.release()
-    })
 }
 
 // register twitch streaming webhook
 new cron.CronJob({ //eslint-disable-line
-  cronTime: '00 00 0,6,12,18 * * *',
+  cronTime: '*/20 * * * * *',
   onTick: async () => {
+    let db = await DB.connect()
 
+    let text = `select "id" from "public"."twitch_channel"`
+    try {
+      let twch = await db.query({
+        text
+      })
+      console.log('check twitch channel number :::: ', twch.rowCount)
+      let ids = twch.rows.map(t => t.id)
+      let streams = await api.twitch.getUserStream(ids)
+      if (streams !== null && Array.isArray(streams)) {
+        streams.forEach(t => {
+          sendStreamNotify(t).then(() => {}).catch(() => {})
+        })
+      }
+    } catch (err) {
+      console.log(err)
+      db.release()
+      return
+    }
+    db.release()
   },
   runOnInit: true,
   start: true,
   timeZone: 'Asia/Taipei'
 })
+
+const sendStreamNotify = async (streamer = null) => {
+  console.log(streamer)
+  if (streamer === null || typeof streamer !== 'object' || !('user_id' in streamer) || !('id' in streamer)) return null
+  let db = await DB.connect()
+
+  try {
+    let result = await db.query({
+      text: `select "id" from "public"."twitch_channel" where "id" = $1 and "laststream" = $2`,
+      values: [streamer.user_id, streamer.id]
+    })
+    if (result.rowCount > 0) {
+      db.release()
+      return
+    }
+  } catch (err) {
+    console.log(err)
+    db.release()
+    return
+  }
+
+  try {
+    let text = `update "public"."twitch_channel" set "laststream" = $1, "mtime" = now() where "id" = $2`
+    let values = [streamer.id, streamer.user_id]
+    await db.query({
+      text,
+      values
+    })
+  } catch (err) {
+    console.log(err)
+  }
+
+  let rt = null
+  try {
+    let text = `select rt."tmpl" as tmpl, line."id" as group, twitch."laststream" as laststream, twitch."name" as user from "public"."line_twitch_rt" rt
+    left join "public"."line_group" line
+    on line."id" = rt."line"
+    left join "public"."twitch_channel" twitch
+    on twitch."id" = rt."twitch"
+    where
+    twitch."id" = $1
+    and line."notify" = true`
+    let values = [streamer.user_id]
+    rt = await db.query({
+      text,
+      values
+    })
+  } catch (err) {
+    console.log(err)
+    db.release()
+    return
+  }
+
+  if (rt === null || rt.rowCount === 0) {
+    db.release()
+    return
+  }
+
+  let twLink = 'https://twitch.tv/'
+
+  for (let i in rt.rows) {
+    let tmp = rt.rows[i]
+    let link = twLink + tmp.user
+    let msg = tmp.tmpl || ''
+    if (typeof msg !== 'string' || msg.trim().length === 0) {
+      msg = `${streamer.title || ''}\n${link}`
+    } else {
+      msg = msg.replace(/{link}/, link).replace(/{txt}/, streamer.title).replace(/\\n/, '\n')
+    }
+
+    api.line.pushMessage(tmp.group, msg).then(() => { }).catch(() => { })
+  }
+
+  db.release()
+}

bin/dbVersion.json

@@ -1,6 +1,8 @@
 {
   "versions":[
-    {"file": "main.sql", "version": 1}
+    {"file": "main.sql", "version": 1},
+    {"file": "20180628-1.sql", "version": 2},
+    {"file": "20180628-2.sql", "version": 3}
   ],
   "test": []
 }

config/index.js

@@ -1,5 +1,6 @@
 module.exports = {
   port: process.env.NODE_PORT || 10230,
+  url: process.env.HOST_URL || '',
   line: {
     secret: process.env.LINE_SECRET || '',
     access: process.env.LINE_ACCESS || ''

libs/api-action/index.js

@@ -0,0 +1,7 @@
+const twitch = require('./twitch')
+const line = require('./line')
+
+module.exports = {
+  twitch,
+  line
+}

libs/api-action/line.js

@@ -0,0 +1,56 @@
+const axios = require('axios')
+const config = require('../../config')
+
+const client = axios.create({
+  baseURL: 'https://api.line.me/v2/bot',
+  headers: {
+    Authorization: `Bearer ${config.line.access}`
+  }
+})
+
+const pushMessage = async (target, message = '') => {
+  if (typeof target !== 'string' || target.trim().length === 0) return
+  if (typeof message !== 'string' || message.trim().length === 0) return
+
+  let data = {
+    to: target,
+    messages: [
+      {
+        type: 'text',
+        text: message
+      }
+    ]
+  }
+
+  let opts = {
+    method: 'post',
+    url: '/message/push',
+    data
+  }
+
+  await client(opts)
+}
+
+const replyMessage = async (replyToken, message) => {
+  let url = '/message/reply'
+  let opts = {
+    method: 'post',
+    url,
+    data: {
+      replyToken,
+      messages: [
+        {
+          type: 'text',
+          text: message
+        }
+      ]
+    }
+  }
+
+  await client(opts)
+}
+
+module.exports = {
+  pushMessage,
+  replyMessage
+}

libs/api-action/twitch.js

@@ -0,0 +1,98 @@
+const axios = require('axios')
+const config = require('../../config')
+const client = axios.create({
+  baseURL: 'https://api.twitch.tv/helix',
+  headers: {
+    'Client-ID': config.twitch.clientid
+  }
+})
+const querystring = require('querystring')
+
+/**
+ * get twitch user id by login name
+ * @param {string} name login name
+ */
+const getUserIDByName = async (name = '') => {
+  if (typeof name !== 'string' || name.trim().length === 0) return null
+  name = name.trim()
+  let url = '/users'
+  let params = {
+    login: name
+  }
+  let res = await client({
+    url,
+    method: 'get',
+    params
+  })
+  if (!('data' in res) || !('data' in res.data) || !Array.isArray(res.data.data) || res.data.data.length === 0) return null
+  let userInfo = res.data.data[0]
+  if (!('id' in userInfo) || !('login' in userInfo)) return null
+  return {
+    id: userInfo.id,
+    login: userInfo.login
+  }
+}
+
+const registerWebHook = async (uid = '', type = null) => {
+  if (!typeof uid === 'string' || uid.trim().length === 0) return null
+  uid = uid.trim()
+  let topic = null
+  switch (type) {
+    case 'live':
+      topic = `https://api.twitch.tv/helix/streams?user_id=${encodeURIComponent(uid)}`
+      break
+  }
+  if (topic === null) return null
+  let url = '/webhooks/hub'
+  let data = {
+    'hub.mode': 'subscribe',
+    'hub.topic': topic,
+    'hub.callback': `${config.url.replace(/\/$/, '')}/twitch/webhook?uid=${encodeURIComponent(uid)}&type=${encodeURIComponent(type)}`,
+    'hub.lease_seconds': 864000,
+    'hub.secret': config.twitch.subsecret
+  }
+  try {
+    await client({
+      method: 'post',
+      data,
+      url
+    })
+  } catch (err) {
+    console.log(err)
+  }
+  return null
+}
+
+const getUserStream = async (uids = []) => {
+  if (!uids || !Array.isArray(uids) || uids.length === 0) return null
+  let res = []
+  while (uids.length > 0) {
+    let tmp = uids.splice(0, 50)
+    let url = '/streams'
+    let params = {
+      user_id: [...tmp]
+    }
+    try {
+      let result = await client({
+        method: 'get',
+        url,
+        params,
+        paramsSerializer: function (params) {
+          return querystring.stringify(params)
+        }
+      })
+      if (!('data' in result) || !('data' in result.data)) continue
+      res = [...result.data.data]
+    } catch (err) {
+      console.log(err)
+    }
+  }
+
+  return res
+}
+
+module.exports = {
+  registerWebHook,
+  getUserIDByName,
+  getUserStream
+}

libs/facebook-pageparse/index.js

@@ -70,9 +70,14 @@ const getLastPost = async (pageid = '') => {
         if (m !== null && m.length > 1) {
           id = m[1]
         }
+      } else if (/\/videos\/(\d+)/.test(link)) {
+        let m = link.match(/\/videos\/(\d+)/)
+        if (m !== null && m.length > 1) {
+          id = m[1]
         }
       }
-    console.log(time, link, txt, id)
+    }
+    // console.log(time, link, txt, id)
     if (!time || !link || !id) return null
     let tmp = {
       txt,

libs/line-message/commands/group.js

@@ -1,3 +1,4 @@
+const api = require('../../api-action')
 /**
  * add group to database
  * @param {string} txt command body format => groupName notifyEnable(0,1)
@@ -45,7 +46,7 @@ const addPage = async (txt, source = {}, db) => {
   if (!('type' in source) || !('groupId' in source) || !('userId' in source)) return null
   let {groupId, userId} = source
   let arr = txt.split(' ')
-  if (arr.length < 3) return null
+  if (arr.length < 2) return null
   let page = arr[0]
   let tmpl = arr.slice(1).join(' ')
   let text = `select "id","owner" from "public"."line_group" where "id" = $1`
@@ -113,7 +114,167 @@ const addPage = async (txt, source = {}, db) => {
   return { reply }
 }
 
+/**
+ * del facebook page notify from group
+ * @param {string} txt command body format => pageid tmpl
+ * @param {object} source
+ * @param {object} db
+ */
+const delPage = async (txt = '', source = {}, db) => {
+  if (!db) return null
+  if (!('type' in source) || !('groupId' in source) || !('userId' in source)) return null
+  let {groupId, userId} = source
+  let arr = txt.split(' ')
+  if (arr.length < 1) return null
+  let page = arr[0]
+  let text = `select "id","owner" from "public"."line_group" where "id" = $1`
+  let values = [groupId]
+  let result = await db.query({
+    text,
+    values
+  })
+  if (result.rowCount === 0) {
+    let reply = 'group not register'
+    return { reply }
+  }
+  if (result.rows[0].owner !== userId) {
+    let reply = 'not owner'
+    return { reply }
+  }
+
+  text = `select count(rt.*) as c from "public"."line_fb_rt" rt
+    left join "public"."facebook_page" fb
+    on fb."id" = rt."facebook"
+    where 
+    fb."id" = $1`
+  values = [page]
+  let count = await db.query({
+    text,
+    values
+  })
+  if (count.rowCount === 0 || count.rows[0].c === 0) return null
+
+  text = `select rt.* as c from "public"."line_fb_rt" rt
+  left join "public"."facebook_page" fb
+  on fb."id" = rt."facebook"
+  where 
+  fb."id" = $1
+  and rt."line" = $2`
+  values = [page, groupId]
+  let rt = await db.query({
+    text,
+    values
+  })
+  if (rt.rowCount === 0) return null
+  if (rt.rowCount == 1 && count.rows[0].c == 1) { // eslint-disable-line
+    let text = `delete from "public"."facebook_page" where "id" = $1`
+    let values = [page]
+    await db.query({
+      text,
+      values
+    })
+  } else {
+    let text = `delete from "public"."line_fb_rt" where "line" = $1 and "facebook" = $2`
+    let values = [groupId, page]
+    await db.query({
+      text,
+      values
+    })
+  }
+
+  return {
+    reply: 'delete page notify success'
+  }
+}
+
+const addTwitch = async (txt = '', source = {}, db) => {
+  if (!db) return null
+  if (!('type' in source) || !('groupId' in source) || !('userId' in source)) return null
+  let {groupId, userId} = source
+  let arr = txt.split(' ')
+  if (arr.length < 3) return null
+  let name = arr[0]
+  let type = arr[1]
+  let tmpl = arr.slice(2).join(' ')
+
+  if (['live'].indexOf(type) < 0) return null
+
+  let text = `select "id","owner" from "public"."line_group" where "id" = $1`
+  let values = [groupId]
+  let result = await db.query({
+    text,
+    values
+  })
+  if (result.rowCount === 0) {
+    let reply = 'group not register'
+    return { reply }
+  }
+  if (result.rows[0].owner !== userId) {
+    let reply = 'not owner'
+    return { reply }
+  }
+
+  let twitchUser = await api.twitch.getUserIDByName(name)
+  if (twitchUser === null) return null
+
+  // check channel count
+  text = `select "id" from "public"."twitch_channel" where "id" = $1`
+  values = [twitchUser.id]
+  let twch = await db.query({
+    text,
+    values
+  })
+
+  if (twch.rowCount === 0) {
+    let text = `insert into "public"."twitch_channel" ("id", "name", "ctime", "mtime") values 
+      ($1, $2, now(), now())`
+    let values = [twitchUser.id, twitchUser.login]
+    await db.query({
+      text,
+      values
+    })
+    text = `insert into "public"."line_twitch_rt" ("line", "twitch", "tmpl", "type") values
+      ($1, $2, $3, $4)`
+    values = [groupId, twitchUser.id, tmpl, type]
+    await db.query({
+      text,
+      values
+    })
+  } else {
+    let text = `select rt.* from "public"."line_twitch_rt" rt
+      left join "public"."twitch_channel" twitch
+      on twitch."id" = rt."twitch"
+      left join "public"."line_group" line
+      on line."id" = rt."line"
+      where
+      line."id" = $1
+      and twitch."id" = $2
+      and rt."type" = $3`
+    let values = [groupId, twitchUser.id, type]
+    let rt = await db.query({
+      text,
+      values
+    })
+    if (rt.rowCount === 0) {
+      let text = `insert into "public"."line_twitch_rt" ("line", "twitch", "tmpl", "type") values
+        ($1, $2, $3, $4)`
+      let values = [groupId, twitchUser.id, tmpl, type]
+      await db.query({
+        text,
+        values
+      })
+    }
+  }
+
+  // api.twitch.registerWebHook(twitchUser.id, type)
+  return {
+    reply: 'add channel success'
+  }
+}
+
 module.exports = {
   addgroup: addGroup,
-  addpage: addPage
+  addpage: addPage,
+  delpage: delPage,
+  addtwitch: addTwitch
 }

libs/line-message/index.js

@@ -1,39 +1,7 @@
-const axios = require('axios')
-const config = require('../../config')
 const commands = require('./commands')
-
-const client = axios.create({
-  baseURL: 'https://api.line.me/v2/bot',
-  headers: {
-    Authorization: `Bearer ${config.line.access}`
-  }
-})
-
-const pushMessage = async (target, message = '') => {
-  if (typeof target !== 'string' || target.trim().length === 0) return
-  if (typeof message !== 'string' || message.trim().length === 0) return
-
-  let data = {
-    to: target,
-    messages: [
-      {
-        type: 'text',
-        text: message
-      }
-    ]
-  }
-
-  let opts = {
-    method: 'post',
-    url: '/message/push',
-    data
-  }
-
-  await client(opts)
-}
+const api = require('../api-action')
 
 const textMessage = async (evt) => {
-  let url = '/message/reply'
   let {replyToken, source, message} = evt
   if (!source || !('type' in source) || source.type !== 'group') return
   if (!message || message.type !== 'text') return
@@ -45,25 +13,10 @@ const textMessage = async (evt) => {
   let result = await commands(text, source)
   if (result === null) return
   if (typeof result === 'object' && 'reply' in result) {
-    let opts = {
-      method: 'post',
-      url,
-      data: {
-        replyToken,
-        messages: [
-          {
-            type: 'text',
-            text: result.reply
-          }
-        ]
-      }
-    }
-
-    await client(opts)
+    await api.line.replyMessage(replyToken, result.reply)
   }
 }
 
 module.exports = {
-  textMessage,
-  pushMessage
+  textMessage
 }

route/index.js

@@ -2,6 +2,6 @@ const Router = require('koa-router')
 const r = new Router()
 
 r.use('/line', require('./line').routes())
-r.use('/twitch', require('./twitch').routes())
+// r.use('/twitch', require('./twitch').routes())
 
 module.exports = r

route/twitch/index.js

@@ -3,9 +3,11 @@ const r = new Router()
 const {
   getRaw
 } = require('../../libs/middleware')
-const config = require('../../config')
+const DB = require('../../libs/database')
+const api = require('../../libs/api-action')
+// const config = require('../../config')
 
-r.get('/', async (c, n) => {
+r.get('/webhook', async (c, n) => {
   let mode = c.query['hub.mode']
   let token = c.query['hub.secret']
   let challenge = c.query['hub.challenge']
@@ -22,10 +24,59 @@ r.get('/', async (c, n) => {
   }
 })
 
-r.post('/', getRaw, async (c, n) => {
-  console.log(JSON.stringify(c.request.body, null, 2))
+r.post('/webhook', getRaw, async (c, n) => {
+  // middleware
+  c.db = await DB.connect()
+
+  try {
+    await n()
+  } catch (err) {
+    console.log(err)
+  }
+
+  c.db.release()
   c.body = 'success'
   c.status = 200
+}, async (c, n) => {
+  console.log(JSON.stringify(c.request.body, null, 2))
+  if (!('data' in c.request.body) || !Array.isArray(c.request.body.data)) return
+  if (c.request.body.data.length === 0) return // length > 0 live, length === 0 down
+  let data = c.request.body.data[0]
+  let uid = c.query['uid'] || ''
+  let type = c.query['type'] || ''
+
+  if (!uid || !type) return
+
+  let text = `select rt."line" as group, rt."twitch" as twitch, rt."tmpl" as tmpl, twitch."name" as user from "public"."line_twitch_rt" rt
+    left join "public"."twitch_channel" twitch
+    on twitch."id" = rt."twitch"
+    left join "public"."line_group" line
+    on line."id" = rt."line"
+    where
+    line."notify" = true
+    and twitch."id" = $1
+    and rt."type" = $2`
+  let values = [uid, type]
+  let twch = await c.db.query({
+    text,
+    values
+  })
+  if (twch.rowCount === 0) return
+
+  let chLink = `https://twitch.tv/`
+
+  for (let i in twch.rows) {
+    let tmp = twch.rows[i]
+    let msg = tmp.tmpl || ''
+    let link = chLink + tmp.user
+    if (typeof msg !== 'string' || msg.trim().length === 0) {
+      msg = `${data.title}\n${link}`
+    } else {
+      msg = msg.replace(/{link}/, link).replace(/{txt}/, data.title).replace(/\\n/, '\n')
+    }
+
+    await api.line.pushMessage(tmp.group, msg).then(() => { }).catch(() => { })
+  }
 })
 
 module.exports = r

schema/20180628-1.sql

@@ -0,0 +1,2 @@
+ALTER TABLE public.twitch_channel DROP type;
+ALTER TABLE public.line_twitch_rt ADD type varchar(100) DEFAULT '' NOT NULL;

schema/20180628-2.sql

@@ -0,0 +1 @@
+ALTER TABLE public.twitch_channel ADD laststream varchar(100) DEFAULT '' NOT NULL;