Issue #3491146 by ryumaou, HongPong: add migrate process plugin wordpress_migrate_log_term

migrations/wordpress_categories.yml

@@ -30,7 +30,10 @@ source:
       type: string
 process:
   # vid is populated dynamically.
-  name: cat_name
+  name:
+    #- plugin: wordpress_migrate_log_term # Uncomment to log terms.
+    - plugin: get
+      source: cat_name
   parent:
     plugin: migration_lookup
     migration: wordpress_categories

migrations/wordpress_tags.yml

@@ -26,7 +26,10 @@ source:
       type: string
 process:
   # vid is populated dynamically.
-  name: tag_name
+  name:
+    #- plugin: wordpress_migrate_log_term # Uncomment to log terms.
+    - plugin: get
+      source: tag_name
 destination:
   plugin: entity:taxonomy_term
 migration_dependencies: {}

src/Plugin/migrate/process/LogTerm.php

+<?php
+/**
+ * Provides migrate process plugin "wordpress_migrate_log_term". Will log term
+ * ID, Name, Slug, Destination.
+ */
+namespace Drupal\wordpress_migrate\Plugin\migrate\process;
+
+use Drupal\migrate\ProcessPluginBase;
+use Drupal\migrate\MigrateExecutableInterface;
+use Drupal\migrate\Row;
+//use Drupal\migrate\MigrateSkipProcessException;
+
+/**
+* @MigrateProcessPlugin(
+*   id = "wordpress_migrate_log_term"
+* )
+*/
+class LogTerm extends ProcessPluginBase {
+  public function transform($value, MigrateExecutableInterface $migrate_executable, Row $row, $destination_property) {
+    $source = $row->getSource();
+
+    // Get original values for debugging
+    $term_id = '';
+    $name = '';
+    $slug = '';
+
+    if (isset($source['tag_slug'])) {
+      // This is a tag
+      $term_id = $source['term_id'] ?? 'unknown';
+      $name = $source['tag_name'] ?? 'unknown';
+      $slug = $source['tag_slug'] ?? 'unknown';
+    }
+    elseif (isset($source['category_nicename'])) {
+      // This is a category
+      $term_id = $source['term_id'] ?? 'unknown';
+      $name = $source['cat_name'] ?? 'unknown';
+      $slug = $source['category_nicename'] ?? 'unknown';
+    }
+
+    \Drupal::logger('wordpress_migrate')->debug('Processing term: Term ID=@id, Name=@name, Slug=@slug, Destination=@dest, Value=@value', [
+      '@id' => $term_id,
+      '@name' => $name,
+      '@slug' => $slug,
+      '@dest' => $destination_property,
+      '@value' => $value,
+    ]);
+
+    return $value;
+  }
+}