Editing outage entry implemented.

classes/outagedb.php

@@ -25,6 +25,8 @@
 
 namespace auth_outage;
 
+use Box\Spout\Common\Exception\InvalidArgumentException;
+
 final class outagedb
 {
     /**
@@ -83,9 +85,32 @@ final class outagedb
         return $outages;
     }
 
+    public function getbyid($id) {
+        global $DB;
+
+        if (!is_int($id)) throw new InvalidArgumentException('$id must be an int.');
+        if ($id <= 0) throw new InvalidArgumentException('$id must be positive.');
+
+        $outage = $DB->get_record('auth_outage', ['id' => $id]);
+        if ($outage === false) {
+            return null;
+        }
+
+        return new outage($outage);
+    }
+
+    /**
+     * Saves an outage to the database.
+     *
+     * @param outage $outage Outage to save.
+     * @return int Outage ID.
+     */
     public function save(outage $outage) {
         global $DB, $USER;
 
+        // Do not change the original object.
+        $outage = clone $outage;
+
         // If new outage, set its creator.
         if ($outage->id === null) {
             $outage->createdby = $USER->id;
@@ -95,7 +120,14 @@ final class outagedb
         $outage->modifiedby = $USER->id;
         $outage->lastmodified = time();
 
-        // Save it and return the id.
-        return $DB->insert_record('auth_outage', $outage, true);
+        // If new, create it and return the id.
+        if ($outage->id === null) {
+            return $DB->insert_record('auth_outage', $outage, true);
+        }
+
+        // Clean up the class (remove creator field), then update it and return its id.
+        unset($outage->createdby);
+        $DB->update_record('auth_outage', $outage);
+        return $outage->id;
     }
 }

classes/outageform.php

@@ -37,7 +37,9 @@ class outageform extends \moodleform {
      */
     public function definition() {
         $mform = $this->_form;
-        $data = $this->_customdata;
+
+        $mform->addElement('hidden', 'id');
+        $mform->setType('id', PARAM_INT);
 
         $mform->addElement('date_time_selector', 'starttime', 'Start Time');
 

classes/outageutils.php

@@ -83,6 +83,9 @@ class outageutils
         if ($data->description['format'] != '1') {
             throw new \InvalidArgumentException('Not implemented for format ' . $data->description['format']);
         }
+        if ($data->id === 0) {
+            $data->id = null;
+        }
         $data->description = $data->description['text'];
         return $data;
     }