Add instagram

instagram.go

@@ -0,0 +1,34 @@
+package moul
+
+import (
+	"github.com/SlyMarbo/rss"
+	"github.com/patrickmn/go-cache"
+)
+
+var instagramFeed *rss.Feed
+
+func init() {
+	RegisterAction("instagram-activity", GetInstagramActivityAction)
+}
+
+func GetInstagramActivityAction(args []string) (interface{}, error) {
+	if activity, found := moulCache.Get("instagram-activity"); found {
+		return activity, nil
+	}
+	activity, err := GetInstagramActivity()
+	if err != nil {
+		return nil, err
+	}
+	moulCache.Set("instagram-activity", activity, cache.DefaultExpiration)
+	return activity, nil
+}
+
+func GetInstagramActivity() (*rss.Feed, error) {
+	var err error
+	if instagramFeed == nil {
+		instagramFeed, err = rss.Fetch("http://widget.websta.me/rss/n/m42am")
+	} else {
+		err = instagramFeed.Update()
+	}
+	return instagramFeed, err
+}