add fan page notify, add twitch route, todo: twitch webhook reg

libs/facebook-pageparse/index.js

@@ -1,6 +1,18 @@
 const request = require('request')
 const cheerio = require('cheerio')
 
+/**
+ * @typedef lastPost
+ * @prop {string} txt post body
+ * @prop {string} id post id
+ * @prop {string} link post link
+ * @prop {string} time timestamp
+ */
+/**
+ * get facebook fan page last post
+ * @param {string} pageid facebook fan page id
+ * @return {Promise<lastPost>}
+ */
 const getLastPost = async (pageid = '') => {
   if (typeof pageid !== 'string' || pageid.trim().length === 0) return null
   pageid = pageid.trim()
@@ -38,10 +50,23 @@ const getLastPost = async (pageid = '') => {
     let timeEl = t('abbr')
     let time = timeEl.attr('data-utime')
     let link = timeEl.parent().attr('href')
-    let p = t('div.userContent div.text_exposed_root')
-    let txt = p.text()
-    let id = p.attr('id')
-    if (!time || !link || !txt || !id) return
+    let p = t('div.userContent')
+    let txt = p.first().text()
+    let id = p.first().attr('id')
+    if (!id) {
+      if (/[\?|&]id\=(\d+)/.test(link)) { // eslint-disable-line
+        let m = link.match(/[\?|&]story_fbid\=(\d+)/) // eslint-disable-line
+        if (m !== null && m.length > 1) {
+          id = m[1]
+        }
+      } else if (/\/posts\/(\d+)/.test(link)) {
+        let m = link.match(/\/posts\/(\d+)/)
+        if (m !== null && m.length > 1) {
+          id = m[1]
+        }
+      }
+    }
+    if (!time || !link || !txt || !id) return null
     let tmp = {
       txt,
       id,
@@ -49,9 +74,11 @@ const getLastPost = async (pageid = '') => {
       time
     }
     posts.push(tmp)
+    el = null
+    t = null
   })
-
-  if (posts.length === 0) return
+  $ = null
+  if (posts.length === 0) return null
   posts.sort((a, b) => {
     return b.time - a.time
   })