ES6 migrate 'conversation'

app/script/calling/handler/CallStateHandler.coffee

@@ -65,7 +65,7 @@ class z.calling.handler.CallStateHandler
           @on_call_state @_fake_on_state_event(response, conversation_id), true
           @v2_call_center.conversation_repository.unarchive_conversation conversation_et if conversation_et.is_archived()
     .catch (error) ->
-      throw error unless error.type is z.conversation.ConversationError::TYPE.NOT_FOUND
+      throw error unless error.type is z.conversation.ConversationError.TYPE.NOT_FOUND
 
   ###
   Set the notification handling state.

app/script/conversation/ConversationError.js

@@ -0,0 +1,76 @@
+/*
+ * Wire
+ * Copyright (C) 2017 Wire Swiss GmbH
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see http://www.gnu.org/licenses/.
+ *
+ */
+
+'use strict';
+
+window.z = window.z || {};
+window.z.conversation = z.conversation || {};
+
+z.conversation.ConversationError = class ConversationError extends Error {
+  constructor(type) {
+    super();
+
+    this.name = this.constructor.name;
+    this.stack = (new Error()).stack;
+    this.type = type || z.client.ConversationError.TYPE.UNKNOWN;
+
+    switch (this.type) {
+      case z.conversation.ConversationError.TYPE.CONVERSATION_NOT_FOUND:
+        this.message = 'Conversation not found';
+        break;
+      case z.conversation.ConversationError.TYPE.DEGRADED_CONVERSATION_CANCELLATION:
+        this.message = 'Sending to degraded conversation was canceled by user';
+        break;
+      case z.conversation.ConversationError.TYPE.MESSAGE_NOT_FOUND:
+        this.message = 'Message not found';
+        break;
+      case z.conversation.ConversationError.TYPE.NO_CHANGES:
+        this.message = 'Missing changes to message';
+        break;
+      case z.conversation.ConversationError.TYPE.NO_CONVERSATION_ID:
+        this.message = 'Conversation ID is not defined';
+        break;
+      case z.conversation.ConversationError.TYPE.NOT_FOUND:
+        this.message = 'Conversation not found';
+        break;
+      case z.conversation.ConversationError.TYPE.REQUEST_FAILED:
+        this.message = 'Conversation related backend request failed';
+        break;
+      case z.conversation.ConversationError.TYPE.WRONG_USER:
+        this.message = 'Wrong user tried to change or delete a message';
+        break;
+      default:
+        this.message = 'Unknown ConversationError';
+    }
+  }
+
+  static get TYPE() {
+    return {
+      CONVERSATION_NOT_FOUND: 'z.conversation.ConversationError.TYPE.CONVERSATION_NOT_FOUND',
+      DEGRADED_CONVERSATION_CANCELLATION: 'z.conversation.ConversationError.TYPE.DEGRADED_CONVERSATION_CANCELLATION',
+      MESSAGE_NOT_FOUND: 'z.conversation.ConversationError.TYPE.MESSAGE_NOT_FOUND',
+      NO_CHANGES: 'z.conversation.ConversationError.TYPE.NO_CHANGES',
+      NO_CONVERSATION_ID: 'z.conversation.ConversationError.TYPE.NO_CONVERSATION_ID',
+      NOT_FOUND: 'z.conversation.ConversationError.TYPE.NOT_FOUND',
+      REQUEST_FAILURE: 'z.conversation.ConversationError.TYPE.REQUEST_FAILURE',
+      UNKNOWN: 'z.conversation.ConversationError.TYPE.UNKNOWN',
+      WRONG_USER: 'z.conversation.ConversationError.TYPE.WRONG_USER',
+    };
+  }
+};