Show new posts from forum

ubuntu-si · Jan 5, 2017 · 2aa760b · 2aa760b
1 parent 7d27dee
commit 2aa760b
Show file tree

Hide file tree

Showing 2 changed files with 71 additions and 1 deletion.
diff --git a/package.json b/package.json
@@ -33,6 +33,7 @@
     "then-redis": "latest",
     "underscore": "latest",
     "youtube-feeds": "latest",
-    "parse-rss": "*"
+    "parse-rss": "*",
+    "nodepie": "0.5.0"
   }
 }
diff --git a/scripts/forum-rss.coffee b/scripts/forum-rss.coffee
@@ -0,0 +1,69 @@
+# Description:
+#   RSS feed alerter
+#
+# Dependencies:
+#   "nodepie": "0.5.0"
+#
+# Configuration:
+#   HUBOT_ALERTS_RSS_FEED - URL of the feed
+#   HUBOT_ALERTS_RSS_ANNOUNCE_ROOM - where should Hubot announce new feed items
+#   HUBOT_ALERTS_RSS_INTERVAL - how often (in seconds) to check the RSS feed - default: 300 (5 minutes)
+#   HUBOT_ALERTS_RSS_PREPEND - text to prepend to alert messages - default: "RSS Alert"
+#   HUBOT_ALERTS_RSS_BROKEN_TZ_ADJUSTMENT - if a feed's timezone is broken set this to adjust it - default: 0
+#   HUBOT_ALERTS_RSS_SKIP_FIRST - skip any items when first checking the feed - default: true (set to false for debugging)
+#
+# Commands:
+#   none
+#
+# Author:
+#   larcher
+# Modified:
+#   ubuntu-si 
+
+NodePie = require("nodepie")
+
+# grab settings from environment variables, with defaults
+feed_url          =  "https://www.ubuntu.si/forum/discussions/comments/all/feed.rss"
+rss_interval      = process.env.HUBOT_ALERTS_RSS_INTERVAL || 60
+broken_tz_adjust  = process.env.HUBOT_ALERTS_RSS_BROKEN_TZ_ADJUSTMENT || 0
+skip_first_string = process.env.HUBOT_ALERTS_RSS_SKIP_FIRST || "true"
+skip_first = (skip_first_string == "true")
+
+if skip_first
+    # effectively "mark all as read" when we start up
+    last_check_time = (new Date()).getTime()
+else
+    last_check_time = 0
+
+module.exports = (bot) ->
+  parse_feed = (err,res,body) ->
+    if res.statusCode is not 200
+      console.log "Error retrieving feed - status: " + res.statusCode
+    else
+      feed = new NodePie(body)
+      try
+        feed.init()
+        return feed
+      catch e
+        console.log "Problem parsing feed", e
+    return false
+
+  check_feed = (bot) ->
+    # console.log "Checking alerts feed .. " + (new Date())
+    bot.fetch feed_url , (err,res,body) ->
+      now = (new Date())
+      feed = parse_feed(err,res,body)
+      if feed
+        latest = feed.getItems(0,1)[0]
+        if latest
+          latest_date = latest.getUpdateDate()
+          latest_date.setTime( latest_date.getTime() + (60*60*1000*broken_tz_adjust))
+          if (latest_date - last_check_time ) >= 0
+            result = "[forum] " + latest.getAuthor() + " " + latest.getTitle() + " -- " + latest.getPermalink()
+            if !result
+              console.log "Something failed: "+ result
+            else
+              bot.say result, "#ubuntu-si"
+        last_check_time = now
+
+  setInterval( check_feed, rss_interval*1000, bot)