Issue #9 - Hooks installed, getting current outage implemented, missing adding information to the UI.

classes/models/outage.php

@@ -27,8 +27,7 @@ namespace auth_outage\models;
 
 use auth_outage\outagelib;
 
-class outage
-{
+class outage {
     /**
      * @var int Outage ID (auto generated by the DB).
      */
@@ -85,6 +84,13 @@ class outage
 
         if (is_object($data) || is_array($data)) {
             outagelib::data2object($data, $this);
+
+            // FIXME types are wrong. Is this behaving as expected?
+            foreach (['createdby', 'id', 'lastmodified', 'modifiedby', 'starttime', 'stoptime', 'warningduration']
+                     as $f) {
+                $this->$f = ($this->$f === null) ? null : (int)$this->$f;
+            }
+
             return;
         }
 

classes/outagedb.php

@@ -135,4 +135,32 @@ final class outagedb {
 
         $DB->delete_records('auth_outage', ['id' => $id]);
     }
-}
+
+    public static function getactive($time = null) {
+        global $DB;
+
+        if ($time === null) {
+            $time = time();
+        }
+        if (!is_int($time)) {
+            throw new \InvalidArgumentException('$time must be null or an int.');
+        }
+
+        // TODO Is there a way to use Moodle API instead of writing SQL (conditions not equals)?
+        // TODO Query not fully using indexes (starttime + 90)
+        // Gets any active outage (already started or during warning period).
+        // Gets only one record if available, the one that starts(ed) first and that stops last.
+        $now = time();
+        $data = $DB->get_record_sql('
+                SELECT *
+                FROM {auth_outage}
+                WHERE (starttime - warningduration <= :now1 AND stoptime >= :now2) 
+                ORDER BY starttime ASC, stoptime DESC, title ASC
+                LIMIT 1
+            ',
+            ['now1' => $now, 'now2' => $now]
+        );
+
+        return ($data === false) ? null : new \auth_outage\models\outage($data);
+    }
+}

classes/outagelib.php

@@ -52,6 +52,9 @@ class outagelib {
         return $PAGE->get_renderer('auth_outage');
     }
 
+    /**
+     * Will check for ongoing or warning outages and will attach the message bar as required.
+     */
     public static function initialize() {
         global $CFG;
 
@@ -61,17 +64,9 @@ class outagelib {
         }
         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);
+        if (($active = outagedb::getactive()) == null) return;
+
+        $CFG->additionalhtmltopofbody .= self::get_renderer()->renderbar($active);
     }
 
     /**