init: build minimum viable version

channel/channel.py

@@ -0,0 +1,31 @@
+"""
+Message sending channel abstract class
+"""
+
+from bridge.bridge import Bridge
+
+class Channel(object):
+    def startup(self):
+        """
+        init channel
+        """
+        raise NotImplementedError
+
+    def handle(self, msg):
+        """
+        process received msg
+        :param msg: message object
+        """
+        raise NotImplementedError
+
+    def send(self, msg, receiver):
+        """
+        send message to user
+        :param msg: message content
+        :param receiver: receiver channel account
+        :return: 
+        """
+        raise NotImplementedError
+
+    def build_reply_content(self, query):
+        return Bridge().fetch_reply_content(query)