Initial commit

site/OFF_plugins/updateid/updateid.php

@@ -0,0 +1,66 @@
+<?php
+
+kirby()->hook('panel.page.move', function($page, $oldPage) {
+  $config = c::get('plugin.updateid');
+  if (!is_array($config)) return;
+
+  $oldId = $oldPage->id();
+  $regex = '/([^a-z0-9-]|^)' . preg_quote($oldId, '/') . '([^a-z0-9-]|$)/m';
+  $newId = $page->id();
+  if ($oldId === $newId) return;
+
+  foreach($config as $e) {
+    if (
+      !is_array($e) ||
+      !isset($e['fields']) ||
+      !isset($e['pages']) ||
+      (!is_string($e['fields']) && !is_array($e['fields']))
+    ) continue;
+
+    $fields = is_array($e['fields']) ? $e['fields'] : array($e['fields']);
+
+    $targetpages = (is_callable($e['pages']) && !is_string($e['pages']))
+      ? $e['pages']()
+      : $e['pages'];
+
+    $targets = is_array($targetpages) ? pages($targetpages) : pages(array($targetpages));
+    $targets->first();
+    // Iterate on each page target by the updateid configuration
+    while ($targets->current()) {
+      $target = $targets->current();
+
+      // If the site is not multilang we still initialize an array for convenience
+      $isMultilang = site()->multilang();
+      $languages = $isMultilang
+        ? array_values(array_map(function($lang) { return $lang->code(); }, site()->languages()->toArray()))
+        : array(NULL);
+
+      // Iterate on each language
+      foreach($languages as $lang) {
+        $data = array();
+        foreach($fields as $fieldName) {
+          if (!$target->{$fieldName}()->exists() || $target->{$fieldName}()->empty()) continue;
+          $fieldValue = $isMultilang
+            ? $target->content($lang)->{$fieldName}()->value()
+            : $target->{$fieldName}()->value();
+          if (!preg_match_all($regex, $fieldValue)) continue;
+          $data[$fieldName] = preg_replace($regex, "$1".$newId."$2", $fieldValue);
+          // Used for debug
+          // $message = "\n" . 'Update:';
+          // $message .= "\n" . '    Page: ' . $target->id();
+          // $message .= "\n" . '    Field: ' . $fieldName;
+          // $message .= "\n" . '    Lang: ' . $lang;
+          // $message .= "\n" . '    From: ' . $fieldValue;
+          // $message .= "\n" . '    To: ' . $data[$fieldName];
+          // error_log(var_export($message, true));
+        }
+        if (count($data) > 0) {
+          if ($isMultilang) $target->update($data, $lang);
+          else $target->update($data);
+        }
+      }
+
+      $targets->next();
+    }
+  }
+});