WHERE itemmodule = 'attforblock'";
$DB->execute($sql);
- // Now convert role capabilities to 'attendance'
- $sql = "UPDATE {role_capabilities}
- SET capability = REPLACE(capability, ?, ?)
- WHERE " . $DB->sql_like('capability', '?');
- $params = array("mod/attforblock:", "mod/attendance:", "mod/attforblock:%");
- $DB->execute($sql, $params);
+ /*
+ * The user's custom capabilities need to be preserved due to the module renaming.
+ * Capabilities with a modifierid = 0 value are installed by default.
+ * Only update the user's custom capabilities where modifierid is not zero.
+ */
+ $sql = $DB->sql_like('capability', '?').' AND modifierid <> 0';
+ $rs = $DB->get_recordset_select('role_capabilities', $sql, array('%mod/attforblock%'));
+ foreach ($rs as $cap) {
+ $renamedcapability = str_replace('mod/attforblock', 'mod/attendance', $cap->capability);
+ $exists = $DB->record_exists('role_capabilities', array('roleid' => $cap->roleid, 'capability' => $renamedcapability));
+ if (!$exists) {
+ $DB->update_record('role_capabilities', array('id' => $cap->id, 'capability' => $renamedcapability));
+ }
+ }
+
+ // Delete old role capabilities.
+ $sql = $DB->sql_like('capability', '?');
+ $DB->delete_records_select('role_capabilities', $sql, array('%mod/attforblock%'));
+
+ // Delete old capabilities.
+ $DB->delete_records_select('capabilities', 'component = ?', array('mod_attforblock'));
// Clear cache for courses with attendances.
$attendances = $DB->get_recordset('attendance', array(), '', 'course');