WIP Issue #9 - Fixed message on all pages, need to work on UI and DB.

auth.php

@@ -49,4 +49,11 @@ class auth_plugin_outage extends auth_plugin_base
     public function user_login($username, $password) {
         return false;
     }
+
+    /**
+     * Login page hook.
+     */
+    function loginpage_hook() {
+        \auth_outage\outagelib::initialize();
+    }
 }

classes/outagelib.php

@@ -28,8 +28,9 @@ if (!defined('MOODLE_INTERNAL')) {
  * @copyright  Catalyst IT
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
-class outagelib
-{
+class outagelib {
+    private static $initialized = false;
+
     /**
      * Initializes admin pages for outage.
      *
@@ -39,9 +40,40 @@ class outagelib
         global $PAGE;
         admin_externalpage_setup('auth_outage_manage');
         $PAGE->set_url(new \moodle_url('/auth/outage/list.php'));
+        return self::get_renderer();
+    }
+
+    /**
+     * Returns the outage renderer.
+     * @return \renderer_base
+     */
+    public static function get_renderer() {
+        global $PAGE;
         return $PAGE->get_renderer('auth_outage');
     }
 
+    public static function initialize() {
+        global $CFG;
+
+        // Many hooks can call it, execute only once.
+        if (self::$initialized) {
+            return;
+        }
+        self::$initialized = true;
+
+        // Stop if no current outage is found.
+        $outage = new \auth_outage\models\outage([
+            'starttime' => time() - 60, // 1 minute ago.
+            'stoptime' => time() + 60 * 60, // In 1 hour.
+            'warningduration' => 1, // Does not matter.
+            'title' => 'Fixed Outage',
+            'description' => '<p>This is an <b>OUTAGE</b>.</p>'
+        ]);
+        // FIXME Get from DB instead.
+        if (!$outage) return;
+        $CFG->additionalhtmltopofbody .= self::get_renderer()->renderbar($outage);
+    }
+
     /**
      * Loads data from an object or array into another object. It ensures no new fields are created in the $obj.
      *

lib.php

@@ -23,3 +23,16 @@
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 defined('MOODLE_INTERNAL') || die;
+
+function auth_outage_extend_navigation_user() {
+    \auth_outage\outagelib::initialize();
+}
+
+function auth_outage_extend_navigation($data) {
+    // Never called?
+    \auth_outage\outagelib::initialize();
+}
+
+function auth_outage_extend_navigation_frontpage() {
+    \auth_outage\outagelib::initialize();
+}

renderer.php

@@ -29,8 +29,7 @@ if (!defined('MOODLE_INTERNAL')) {
  * @copyright  Catalyst IT
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
-class auth_outage_renderer extends plugin_renderer_base
-{
+class auth_outage_renderer extends plugin_renderer_base {
     public function rendersubtitle($subtitlekey) {
         if (!is_string($subtitlekey)) {
             throw new \InvalidArgumentException('$subtitle is not a string.');
@@ -124,4 +123,15 @@ class auth_outage_renderer extends plugin_renderer_base
             )
         );
     }
+
+    public function renderbar($outage) {
+        global $PAGE;
+
+        $PAGE->requires->css(new moodle_url('/auth/outage/res/outage.css'));
+
+        return html_writer::div(
+            html_writer::tag('b', $outage->title),
+            'auth_outage_warningbar'
+        );
+    }
 }

res/outage.css

@@ -0,0 +1,3 @@
+.auth_outage_warningbar {
+    background-color: red;
+}

settings.php

@@ -25,7 +25,6 @@
 defined('MOODLE_INTERNAL') || die;
 
 // FIXME If plugin not installed, it is still generating the category Outage under Auth Plugins.
-
 if ($hassiteconfig) {
     // Configure default settings page.
     $settings->visiblename = get_string('menudefaults', 'auth_outage');