From d4ebd680522362250dc0503bfc3ffccd79648d21 Mon Sep 17 00:00:00 2001
From: Dmitriy Simushev <simushevds@ossg.ru>
Date: Tue, 26 May 2015 13:53:22 +0000
Subject: [PATCH] Show list of available updates at "About" page

---
 src/mibew/js/source/about.js                  | 40 -----------------
 .../Mibew/Controller/AboutController.php      | 44 ++++++++++++++++---
 .../server_side/about.handlebars              | 22 +++++++---
 3 files changed, 54 insertions(+), 52 deletions(-)
 delete mode 100644 src/mibew/js/source/about.js

diff --git a/src/mibew/js/source/about.js b/src/mibew/js/source/about.js
deleted file mode 100644
index 7636e2e8..00000000
--- a/src/mibew/js/source/about.js
+++ /dev/null
@@ -1,40 +0,0 @@
-/*!
- * This file is a part of Mibew Messenger.
- *
- * Copyright 2005-2015 the original author or authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-(function (Mibew, $) {
-    Mibew.updateVersion = function(data) {
-        if (!data.core || !data.core.stable) {
-            return;
-        }
-
-        $(document).ready(function() {
-            var currentVersion = $("#current-version").html(),
-                core = data.core.stable;
-
-            if (currentVersion != core.version) {
-                if (currentVersion < core.version) {
-                    $("#current-version").css("color", "red");
-                }
-                $("#latest-version").html(core.version + ", Download <a href=\"" + core.download + "\">" + core.title + "</a>");
-            } else {
-                $("#current-version").css("color", "green");
-                $("#latest-version").html(core.version);
-            }
-        });
-    }
-})(Mibew, jQuery);
diff --git a/src/mibew/libs/classes/Mibew/Controller/AboutController.php b/src/mibew/libs/classes/Mibew/Controller/AboutController.php
index b9ac3c12..49a1be2c 100644
--- a/src/mibew/libs/classes/Mibew/Controller/AboutController.php
+++ b/src/mibew/libs/classes/Mibew/Controller/AboutController.php
@@ -19,7 +19,7 @@
 
 namespace Mibew\Controller;
 
-use Mibew\Asset\AssetManagerInterface;
+use Mibew\Maintenance\AvailableUpdate;
 use Symfony\Component\HttpFoundation\Request;
 
 /**
@@ -43,16 +43,11 @@ class AboutController extends AbstractController
                 'version' => MIBEW_VERSION,
                 'title' => getlocal('About'),
                 'menuid' => 'about',
+                'availableUpdates' => $this->getAvailableUpdates(),
             ),
             prepare_menu($this->getOperator())
         );
 
-        $this->getAssetManager()->attachJs('js/compiled/about.js');
-        $this->getAssetManager()->attachJs(
-            'https://mibew.org/api/updates',
-            AssetManagerInterface::ABSOLUTE_URL
-        );
-
         return $this->render('about', $page);
     }
 
@@ -86,4 +81,39 @@ class AboutController extends AbstractController
 
         return $info;
     }
+
+    /**
+     * Builds list of available updates to display in the template.
+     *
+     * @return array List of updates data. Each item of the list is associative
+     * array with the following keys:
+     *   - "title": string, title of the update.
+     *   - "version": string, the latest available version.
+     *   - "url": string, URL of the page the updated version can be downloaded
+     *     from.
+     *   - "description": string, description of the update.
+     */
+    protected function getAvailableUpdates()
+    {
+        $updates = AvailableUpdate::all();
+        if (!$updates) {
+            return array();
+        }
+
+        $data = array();
+        foreach ($updates as $update) {
+            $title = ($update->target == 'core')
+                ? 'Mibew'
+                : getlocal('{0} plugin', array($update->target));
+
+            $data[] = array(
+                'title' => $title,
+                'version' => $update->version,
+                'url' => $update->url,
+                'description' => $update->description,
+            );
+        }
+
+        return $data;
+    }
 }
diff --git a/src/mibew/styles/pages/default/templates_src/server_side/about.handlebars b/src/mibew/styles/pages/default/templates_src/server_side/about.handlebars
index 6396699a..52f02513 100644
--- a/src/mibew/styles/pages/default/templates_src/server_side/about.handlebars
+++ b/src/mibew/styles/pages/default/templates_src/server_side/about.handlebars
@@ -22,11 +22,6 @@
 
                     <br/>
 
-                    <h3>{{l10n "Latest version:"}}</h3>
-                    <div id="latest-version"></div>
-
-                    <br/>
-
                     <h3>{{l10n "Installed localizations:"}}</h3>
                     {{#each localizations}}
                         {{this}}
@@ -36,6 +31,23 @@
 
                     <h3>{{l10n "Environment:"}}</h3>
                     PHP {{phpVersion}} {{#each extensions}}{{@key}}{{#if loaded}}{{#if version}}/{{version}}{{/if}}{{else}}/absent{{/if}} {{/each}}
+
+                    <br/><br/>
+
+                    {{#if availableUpdates}}
+                        <h2>{{l10n "Available updates"}}</h2>
+                        {{#each availableUpdates}}
+                            <h3>{{title}} ({{version}})</h3>
+                            {{#if description}}
+                                <div>{{description}}</div>
+                            {{/if}}
+                            <div>
+                                <a href="{{url}}">Download</a>
+                            </div>
+
+                            <br/>
+                        {{/each}}
+                    {{/if}}
                 </div>
 
                 <div class="form-footer">