External backup function

index.php

@@ -54,7 +54,7 @@ $callbacks = local_webhooks_get_list_records();
 
 /* Upload settings as a file */
 if (boolval($backupservices)) {
-    $filecontent = local_webhooks_archiving_data($callbacks);
+    $filecontent = local_webhooks_create_backup();
     $filename    = "webhooks_" . date("U") . ".backup";
     send_file($filecontent, $filename, 0, 0, true, true);
 }

lib.php

@@ -108,6 +108,32 @@ function local_webhooks_update_record($data, $insert = true) {
     return boolval($result);
 }
 
+/**
+ * Make a backup copy of all the services.
+ *
+ * @return string
+ */
+function local_webhooks_create_backup() {
+    $listservices = local_webhooks_get_list_records();
+    $listservices = local_webhooks_archiving_data($listservices);
+    return $listservices;
+}
+
+/**
+ * Restore the data from the backup.
+ *
+ * @param string $data
+ */
+function local_webhooks_restore_backup($listservices = "") {
+    $listservices = local_webhooks_unarchive_data($listservices);
+
+    local_webhooks_remove_list_records();
+
+    foreach ($listservices as $servicerecord) {
+        local_webhooks_update_record($servicerecord, true);
+    }
+}
+
 /**
  * Compress an array into a string.
  *

restorebackup.php

@@ -46,14 +46,8 @@ if ($mform->is_cancelled()) {
 
 /* Processing the received file */
 if ($data = $mform->get_data()) {
-    $content   = $mform->get_file_content("backupfile");
-    $callbacks = local_webhooks_unarchive_data($content);
-
-    local_webhooks_remove_list_records();
-    foreach ($callbacks as $callback) {
-        local_webhooks_update_record($callback, true);
-    }
-
+    $content = $mform->get_file_content("backupfile");
+    local_webhooks_restore_backup($content);
     redirect($managerservice, new lang_string("restorefinished", "moodle"));
 }