add serializer rss draft

src/utilities/podcastserializer.py

@@ -3,6 +3,9 @@ import json
 from utilities.serializer import Serializer
 from config.config import Config
 
+RSS_Prefix = "<?xml version=\"1.0\"?><rss version=\"2.0\"><channel>"
+RSS_Suffix = "</channel></rss>"
+
 class PodcastSerializer(Serializer):
 
     def __init__(self, episode_file_type):
@@ -38,5 +41,21 @@ class PodcastSerializer(Serializer):
             "summary": dict_object["feed"]["summary"],
             "episodes": episodeList
         }
+        return tempdict
+
+    def serialize_rss(self, dict_object):
+        assert isinstance(dict_object, dict)
+        rss_channel_info = "<title>" + dict_object["title"] + "</title>"
+        rss_channel_info += "<description>" + dict_object["subtitle"] + "</description>"
+
+        episodes_list = ""
+
+        for episode in dict_object["episodes"]:
+            episodes_list += "<item>"
+            episodes_list += "<title>" + episode["title"] + "</title>"
+            episodes_list += "<description>" + episode["subtitle"] + "</description>"
+            episodes_list += "<enclosure url=\"" + episode["filelink"] + "\" type=\"" + self.episode_file_type + "\" length=\"26770243\"/>"
+            episodes_list += "</item>"
+
+        return RSS_Prefix + rss_channel_info +  episodes_list + RSS_Suffix
 
-        return tempdict