Migrate 'view_model/list' to es6

.eslintrc.yaml

@@ -42,6 +42,7 @@ globals:
   UUID: true
   wire: true
   z: true
+  zeta: true
 
 plugins:
   - jsdoc

app/script/view_model/list/ArchiveViewModel.js

@@ -0,0 +1,61 @@
+/*
+ * 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.ViewModel = z.ViewModel || {};
+window.z.ViewModel.list = z.ViewModel.list || {};
+
+z.ViewModel.list.ArchiveViewModel = class ArchiveViewModel {
+  /**
+   * View model for the archive.
+   *
+   * @param {string} element_id - HTML selector
+   * @param {z.ViewModel.list.ListViewModel} list_view_model - List view model
+   * @param {z.conversation.ConversationRepository} conversation_repository - Conversation repository
+   */
+  constructor(element_id, list_view_model, conversation_repository) {
+    this.update_list = this.update_list.bind(this);
+
+    this.list_view_model = list_view_model;
+    this.conversation_repository = conversation_repository;
+    this.logger = new z.util.Logger('z.ViewModel.list.ArchiveViewModel', z.config.LOGGER.OPTIONS);
+
+    this.conversations_archived = this.conversation_repository.conversations_archived;
+
+    this.should_update_scrollbar = ko.computed(() => {
+      return this.list_view_model.last_update();
+    }).extend({notify: 'always', rateLimit: 500});
+  }
+
+  click_on_close_archive() {
+    this.list_view_model.switch_list(z.ViewModel.list.LIST_STATE.CONVERSATIONS);
+  }
+
+  click_on_archived_conversation(conversation_et) {
+    this.conversation_repository.unarchive_conversation(conversation_et);
+    this.list_view_model.switch_list(z.ViewModel.list.LIST_STATE.CONVERSATIONS);
+    amplify.publish(z.event.WebApp.CONVERSATION.SHOW, conversation_et);
+  }
+
+  update_list() {
+    this.conversation_repository.update_conversations(this.conversation_repository.conversations_archived());
+  }
+};