Get and show the list of conversations

lib/models/api_request.dart

@@ -1,3 +1,5 @@
+import 'package:comunic/helpers/api_helper.dart';
+import 'package:comunic/models/api_response.dart';
 import 'package:meta/meta.dart';
 
 /// API Request model
@@ -11,12 +13,11 @@ class APIRequest {
   final bool needLogin;
   Map<String, String> args;
 
-  APIRequest({
-    @required this.uri,
-    this.needLogin = false,
-  })  : assert(uri != null),
-        assert(needLogin != null),
-        args = Map();
+  APIRequest({@required this.uri, this.needLogin = false, this.args})
+      : assert(uri != null),
+        assert(needLogin != null) {
+    if (this.args == null) this.args = Map();
+  }
 
   void addString(String name, String value) => args[name] = value;
 
@@ -24,4 +25,7 @@ class APIRequest {
 
   void addBool(String name, bool value) =>
       args[name] = value ? "true" : "false";
+
+  /// Execute the request
+  Future<APIResponse> exec() async => APIHelper().exec(this);
 }

lib/models/conversation.dart

@@ -0,0 +1,30 @@
+import 'package:meta/meta.dart';
+
+/// Conversation model
+///
+/// @author Pierre HUBERT
+
+class Conversation {
+  final int id;
+  final int ownerID;
+  final int lastActive;
+  final String name;
+  final bool following;
+  final bool sawLastMessage;
+  final List<int> members;
+
+  const Conversation({
+    @required this.id,
+    @required this.ownerID,
+    @required this.lastActive,
+    @required this.name,
+    @required this.following,
+    @required this.sawLastMessage,
+    @required this.members,
+  })  : assert(id != null),
+        assert(ownerID != null),
+        assert(lastActive != null),
+        assert(following != null),
+        assert(sawLastMessage != null),
+        assert(members != null);
+}