Support fetching logs from MessageLog store. #71

- support basic filter, order_by, limit, sort query

Author: rtnpro

ircb/stores/logs.py

@@ -20,10 +20,6 @@ class MessageLogStore(BaseStore):
     CREATE_SIGNAL = STORE_MESSAGELOG_CREATE
     CREATED_SIGNAL = STORE_MESSAGELOG_CREATED
 
-    @classmethod
-    def get(cls, query):
-        pass
-
     @classmethod
     def create(cls, hostname, roomname, message, event, timestamp,
                mask, user_id, from_nickname, from_user_id=None):
@@ -36,6 +32,23 @@ def create(cls, hostname, roomname, message, event, timestamp,
         session.commit()
         return log
 
+    @classmethod
+    def get(cls, filter=None, order_by=None, limit=30, sort='timestamp'):
+        qs = session.query(MessageLog)
+        if filter:
+            for key, value in filter.items():
+                qs = qs.filter(getattr(MessageLog, key) == value)
+
+        if order_by:
+            for item in order_by:
+                if item.startswith('-'):
+                    qs = qs.order_by(getattr(MessageLog, item[1:]).desc())
+                else:
+                    qs = qs.order_by(getattr(MessageLog, item))
+
+        qs = qs.limit(limit)
+        return sorted(qs.all(), key=lambda item: getattr(item, 'timestamp'))
+
 
 class ActivityLogStore(BaseStore):
     CREATE_SIGNAL = STORE_ACTIVITYLOG_CREATE