add songs api

minor/controller/music.py

 import os
 import os.path
-from pprint import pprint
-from flask import json_available, request, jsonify, Response
+import json
+from flask import request, jsonify, Response
 from flask_controller import FlaskController, route
-from bson import ObjectId
 from werkzeug.utils import secure_filename
 from mutagen.mp3 import MP3
 from minor.decorators import json_required, auth_required
@@ -34,16 +33,40 @@ class MusicController(FlaskController):
             return jsonify({"code": 400, "message": "bad_request"}), 400
 
     @auth_required
-    @route("/song/<id>")
+    @route("/songs")
+    def all_songs(self, payload=None):
+        start = request.args.get("start")
+        limit = 20
+
+        if start is None:
+            start = 0
+        else:
+            start = int(start) - 1
+
+        songs = Song.objects.skip(start).limit(limit)
+        count = Song.objects.count()
+
+        # ech mongo_engine is garbage
+        songs = list(map(lambda x : json.loads(x.to_json()), songs))
+
+        # check if songs is empty
+        if songs:
+            return jsonify({"code": 200, "message": "ok", "data": songs, "count": count, "limit": limit}), 200
+        else:
+            return jsonify({"code": 400, "message": "bad_request"}), 400
+
+    @auth_required
+    @route("/songs/<id>")
     def song(self, id, payload=None):
         song = Song.objects.get(id=id)
+
         if song is not None:
-            return jsonify({"code": 200, "message": "ok", "data": song}), 200
+            return jsonify({"code": 200, "message": "ok", "data": json.loads(song.to_json())}), 200
         else:
             return jsonify({"code": 400, "message": "bad_request"}), 400
 
     @auth_required
-    @route("/song/<id>/hasfile")
+    @route("/songs/<id>/hasfile")
     def song_has_file(self, id, payload=None):
         song = Song.objects.get(id=id)
         if song is not None:
@@ -57,7 +80,7 @@ class MusicController(FlaskController):
 
     @auth_required
     @json_required
-    @route("/song", methods=["POST"])
+    @route("/songs", methods=["POST"])
     def song_post(self, payload=None):
         json = request.get_json()
         try:
@@ -85,7 +108,7 @@ class MusicController(FlaskController):
             return jsonify({"code": 400, "message": "bad_request"}), 400
 
     @auth_required
-    @route("/song/<id>/upload", methods=["POST"])
+    @route("/songs/<id>/upload", methods=["POST"])
     def song_file(self, id, payload=None):
         if 'file' in request.files:
             file = request.files["file"]