Add config value admin_chamilo_announcements_disable #2796

Disable Chamilo.org announcements at the top of the admin page

main/inc/ajax/admin.ajax.php

@@ -3,6 +3,7 @@
 
 use Chamilo\CoreBundle\Entity\BranchSync;
 use Chamilo\CoreBundle\Entity\Repository\BranchSyncRepository;
+use GuzzleHttp\Client;
 
 /**
  * Responses to AJAX calls.
@@ -72,6 +73,16 @@ switch ($action) {
 
         echo file_get_contents("{$newUrlDir}{$blockName}_extra.html");
         break;
+    case 'get_latest_news':
+        if (api_get_configuration_value('admin_chamilo_announcements_disable') === true) {
+            break;
+        }
+
+        $latestNews = getLatestNews();
+        $latestNews = json_decode($latestNews, true);
+
+        echo Security::remove_XSS($latestNews['text'], COURSEMANAGER);
+        break;
 }
 
 /**
@@ -225,3 +236,34 @@ function check_system_version()
 
     return '<span style="color:red">'.get_lang('ImpossibleToContactVersionServerPleaseTryAgain').'</span>';
 }
+
+/**
+ * Display the latest news from the Chamilo Association for admins
+ *
+ * @throws \GuzzleHttp\Exception\GuzzleException
+ *
+ * @return string|void
+ */
+function getLatestNews()
+{
+    global $language_interface;
+
+    $url = 'https://version.chamilo.org/news/latest.php';
+
+    $client = new Client();
+    $response = $client->request(
+        'GET',
+        $url,
+        [
+            'query' => [
+                'language' => $language_interface,
+            ],
+        ]
+    );
+
+    if ($response->getStatusCode() !== 200) {
+        return;
+    }
+
+    return $response->getBody()->getContents();
+}

main/install/configuration.dist.php

@@ -1093,6 +1093,9 @@ VALUES (2, 13, 'session_courses_read_only_mode', 'Lock Course In Session', 1, 1,
 // Default selected row in jqgrid/sortable tables
 //$_configuration['table_default_row'] = 50;
 
+// Disable Chamilo.org announcements at the top of the admin page
+//$_configuration['admin_chamilo_announcements_disable'] = false;
+
 // ------ Custom DB changes (keep this at the end)
 // Add user activation by confirmation email
 // This option prevents the new user to login in the platform if your account is not confirmed via email

main/template/default/admin/settings_index.tpl

@@ -1,3 +1,5 @@
+{% set admin_chamilo_announcements_disable = 'admin_chamilo_announcements_disable'|api_get_configuration_value %}
+
 <script>
     $(document).ready(function () {
         $.ajax({
@@ -35,10 +37,34 @@
                     });
                 });
             })(window.CKEDITOR);
+
+            {% if not admin_chamilo_announcements_disable %}
+                $
+                    .ajax('{{ web_admin_ajax_url }}?a=get_latest_news')
+                    .then(function (response) {
+                        $('#chamilo-news').removeClass('hidden');
+                        $('#chamilo-news-content').html(response);
+                    });
+            {% endif %}
         {% endif %}
     });
 </script>
 
+{% if not admin_chamilo_announcements_disable %}
+    <section id="chamilo-news" class="row hidden">
+        <div class="col-xs-12">
+            <div class="alert alert-info">
+                <button type="button" class="close" data-dismiss="alert" aria-label="Close">
+                    <span aria-hidden="true">&times;</span>
+                </button>
+                <div id="chamilo-news-content">
+
+                </div>
+            </div>
+        </div>
+    </section>
+{% endif %}
+
 <section id="settings" class="row">
     {% set columns = 2 %}
     {% for block_item in blocks %}