Issue #3381080: Add drush command to delete a project’s metadata

project_composer.changes.inc

@@ -42,13 +42,13 @@ function project_composer_changes($release_category) {
 
   // Generate output.
   $actions = [];
-  $result = db_query('SELECT package, updated FROM {project_composer_update_log} WHERE category = :release_category AND updated > :since', [
+  $result = db_query('SELECT package, updated, deleted FROM {project_composer_update_log} WHERE category = :release_category AND updated > :since', [
     ':release_category' => $release_category,
     ':since' => floor($since / 10000),
   ]);
   foreach ($result as $row) {
     $actions[] = [
-      'type' => 'update',
+      'type' => $row->deleted ? 'delete' : 'update',
       'package' => 'drupal/' . $row->package,
       'time' => $row->updated
     ];

project_composer.drush.inc

@@ -45,6 +45,13 @@ function project_composer_drush_command() {
     'callback' => 'drush_project_composer_validate_constraints',
     'aliases' => array('pcvc'),
   );
+  $items['project-composer-delete-project-metadata'] = [
+    'description' => 'Delete metadata for a project.',
+    'arguments' => [
+      'project' => 'Project machine name',
+    ],
+  ];
+
   return $items;
 }
 
@@ -222,3 +229,94 @@ function drush_project_composer_validate_constraints() {
     }
   }
 }
+
+/**
+ * Delete metadata for a project.
+ */
+function drush_project_composer_delete_project_metadata($shortname) {
+  if (!($project_node = project_load($shortname))) {
+    drush_log(dt('Could not load project'), 'error');
+  }
+
+  // Get namespace map data.
+  $result = db_query('SELECT map_id, component_name, package_namespace, category FROM {project_composer_namespace_map} WHERE project_nid = :project_nid', [
+    ':project_nid' => $project_node->nid,
+  ])->fetchAll(PDO::FETCH_ASSOC);
+  $map_ids = array_column($result, 'map_id');
+  if (!empty($map_ids)) {
+    array_unshift($result, array_keys($result[0]));
+    drush_print(drush_format_table($result));
+  }
+
+  // Get component data.
+  if ($release_nids = _project_composer_get_release_nids($project_node->nid)) {
+    $result = db_query('SELECT component_id, component_role, name, package, release_nid, title FROM {project_composer_component} WHERE release_nid IN (:release_nids)', [
+      ':release_nids' => $release_nids,
+    ])->fetchAll(PDO::FETCH_ASSOC);
+    $component_ids = array_column($result, 'component_id');
+    if (!empty($component_ids)) {
+      array_unshift($result, array_keys($result[0]));
+      drush_print(drush_format_table($result));
+    }
+  }
+
+  // Get files to delete.
+  $filepaths = [];
+  foreach (['legacy', 'current'] as $release_category) {
+    if ($namespace = project_composer_get_project_namespace($project_node->nid, $release_category, FALSE)) {
+      foreach ([PROJECT_COMPOSER_METADATA_TAGGED, PROJECT_COMPOSER_METADATA_DEV] as $build_type) {
+        $filepath = _project_composer_get_metadata_file_dir($release_category) . '/' . project_composer_get_filename($namespace, $build_type);
+        if (file_exists($filepath)) {
+          $filepaths[$release_category . '-' . $build_type] = $filepath;
+        }
+      }
+    }
+  }
+  if (empty($filepaths)) {
+    drush_print(dt('Nothing to delete.'));
+    return;
+  }
+
+  // Confirm.
+  drush_print(dt('You are about to delete:'));
+  foreach ($filepaths as $filepath) {
+    drush_print(dt('- @filepath', ['@filepath' => $filepath]));
+  }
+  if (!drush_confirm(dt('Do you want to continue?'))) {
+    return;
+  }
+
+  // Delete from namespace map & components.
+  if (!empty($map_ids)) {
+    db_delete('project_composer_namespace_map')
+      ->condition('map_id', $map_ids)
+      ->execute();
+  }
+  if (!empty($component_ids)) {
+    db_delete('project_composer_component')
+      ->condition('component_id', $component_ids)
+      ->execute();
+  }
+
+  // Delete files.
+  foreach ($filepaths as $category_type => $filepath) {
+    file_unmanaged_delete($filepath);
+
+    // Clear CDN cache.
+    $url = url(preg_replace('|public:/|', 'files', $filepath), ['absolute' => TRUE]);
+    drupalorg_crosssite_fastly_purge_url($url);
+
+    // Update project_composer_update_log table.
+    list($release_category, $build_type) = explode('-', $category_type);
+    db_merge('project_composer_update_log')
+      ->key([
+        'category' => $release_category,
+        'package' => $namespace . ($build_type === PROJECT_COMPOSER_METADATA_DEV ? '~dev' : ''),
+      ])
+      ->fields([
+        'updated' => time(),
+        'deleted' => 1,
+      ])
+      ->execute();
+  }
+}

project_composer.module

@@ -1910,6 +1910,7 @@ function project_composer_write_json($release_category, $json, $packagename = NU
       ])
       ->fields([
         'updated' => filemtime($filepath),
+        'deleted' => 0,
       ])
       ->execute();
   }