Get Sender from Store

lib/src/Event.dart

@@ -127,7 +127,8 @@ class Event {
   }
 
   /// Generate a new Event object from a json string, mostly a table row.
-  static Event fromJson(Map<String, dynamic> jsonObj, Room room) {
+  static Event fromJson(Map<String, dynamic> jsonObj, Room room,
+      {User senderUser, User stateKeyUser}) {
     Map<String, dynamic> content = jsonObj["content"];
 
     if (content == null && jsonObj["content_json"] != null)
@@ -137,14 +138,16 @@ class Event {
         print("jsonObj decode of event content failed: ${e.toString()}");
         content = {};
       }
-    else
-      content = {};
+    else if (content == null) content = {};
+
+    if (senderUser == null) senderUser = User(jsonObj["sender"]);
+    if (stateKeyUser == null) stateKeyUser = User(jsonObj["state_key"]);
 
     return Event(
       jsonObj["event_id"] ?? jsonObj["id"],
-      User.fromJson(jsonObj, room),
+      senderUser,
       ChatTime(jsonObj["origin_server_ts"]),
-      stateKey: User(jsonObj["state_key"]),
+      stateKey: stateKeyUser,
       environment: jsonObj["type"],
       status: jsonObj["status"] ?? 2,
       content: content,

lib/src/Store.dart

@@ -463,11 +463,16 @@ class Store {
 
   /// Returns a list of events for the given room and sets all participants.
   Future<List<Event>> getEventList(Room room) async {
+    List<Map<String, dynamic>> memberRes = await db.rawQuery(
+        "SELECT * " + " FROM Users " + " WHERE users.chat_id=?", [room.id]);
+    Map<String, User> userMap = {};
+    for (num i = 0; i < memberRes.length; i++)
+      userMap[memberRes[i]["matrix_id"]] = User.fromJson(memberRes[i], room);
+
     List<Map<String, dynamic>> eventRes = await db.rawQuery(
         "SELECT * " +
-            " FROM Events events, User user " +
+            " FROM Events events " +
             " WHERE events.chat_id=?" +
-            " AND events.sender=user.matrix_id " +
             " GROUP BY events.id " +
             " ORDER BY origin_server_ts DESC",
         [room.id]);
@@ -475,7 +480,9 @@ class Store {
     List<Event> eventList = [];
 
     for (num i = 0; i < eventRes.length; i++)
-      eventList.add(Event.fromJson(eventRes[i], room));
+      eventList.add(Event.fromJson(eventRes[i], room,
+          senderUser: userMap[eventRes[i]["sender"]],
+          stateKeyUser: userMap[eventRes[i]["state_key"]]));
 
     return eventList;
   }