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daggerhart/MODULENAME.install.php

Last active September 5, 2020 05:23
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  1. daggerhart revised this gist Aug 27, 2018. 1 changed file with 3 additions and 3 deletions.
    6 changes: 3 additions & 3 deletions MODULENAME.install.php
    View file
    Original file line number Diff line number Diff line change
    @@ -6,7 +6,6 @@
    */
    function MODULENAME_update_8001() {
    // Nodes types that will get media migrated.

    $node_types = ['article','event','page','session','sponsor'];
    // Map old file fields => new media fields.
    $map = [
    @@ -24,12 +23,13 @@ function MODULENAME_update_8001() {
    foreach ($nodes as $node) {
    /*** @var $node \Drupal\node\NodeInterface */
    foreach ($map as $file_field => $media_field) {
    // Verify that the file field has a value.
    // Verify that both the old and new fields exist on the node and that the file field has a value.
    if ($node->hasField($media_field) && $node->hasField($file_field) && !empty($node->{$file_field}->entity)) {
    // Loop through the values and make a list of unique media entity ids.
    // If there is an existing media entity with the file uri, use it.
    // Otherwise create a new media entity from the file.
    $items = [];
    foreach ($node->{$file_field} as $delta => $item) {
    // See if there is an existing media entity, otherwise create it.
    $existing = MODULENAME_load_media_image_by_file_uri($item->entity->getFileUri());

    if ($existing) {
  2. daggerhart created this gist Aug 27, 2018.
    56 changes: 56 additions & 0 deletions MODULENAME.install.php
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,56 @@
    <?php
    /**
    * Create media entities from existing file fields.
    *
    * @link https://chromatichq.com/blog/migrating-drupal-file-fields-media-entities-without-migrate-module
    */
    function MODULENAME_update_8001() {
    // Nodes types that will get media migrated.

    $node_types = ['article','event','page','session','sponsor'];
    // Map old file fields => new media fields.
    $map = [
    'field_background_image' => 'field_background_img',
    'field_image' => 'field_img',
    'field_metadata_image' => 'field_metadata_img',
    ];

    // Load all of the nodes.
    $nodes = \Drupal::entityTypeManager()
    ->getStorage('node')
    ->loadByProperties(['type' => $node_types]);
    $log = \Drupal::logger('dcavl_media');

    foreach ($nodes as $node) {
    /*** @var $node \Drupal\node\NodeInterface */
    foreach ($map as $file_field => $media_field) {
    // Verify that the file field has a value.
    if ($node->hasField($media_field) && $node->hasField($file_field) && !empty($node->{$file_field}->entity)) {
    // Loop through the values and make a list of unique media entity ids.
    $items = [];
    foreach ($node->{$file_field} as $delta => $item) {
    // See if there is an existing media entity, otherwise create it.
    $existing = MODULENAME_load_media_image_by_file_uri($item->entity->getFileUri());

    if ($existing) {
    $log->notice(sprintf('Media entity found for "%s".', $item->entity->getFileUri()));
    $items[$existing] = $existing;
    }
    else {
    $log->notice(sprintf('No media entity found. Creating media entity for "%s".', $item->entity->getFileUri()));
    $entity = MODULENAME_create_media_image_entity_from_file(
    $item->entity,
    $item->alt
    );
    $items[$entity->id()] = $entity->id();
    }
    }
    // Update the media field with the list of media entity ids.
    $node->{$media_field}->setValue($items);
    }
    }

    $node->save();
    $log->notice(sprintf('Updated images for node "%s".', $node->getTitle()));
    }
    }
    52 changes: 52 additions & 0 deletions MODULENAME.module.php
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    Original file line number Diff line number Diff line change
    @@ -0,0 +1,52 @@
    <?php

    use Drupal\file\FileInterface;
    use Drupal\media\Entity\Media;

    /**
    * Creates a media image entity from a file entity.
    *
    * @param \Drupal\file\FileInterface $file
    * The existing file object.
    * @param string $alt
    * The image alt text.
    *
    * @return \Drupal\media\Entity\Media
    * The media entity.
    */
    function MODULENAME_create_media_image_entity_from_file(FileInterface $file, $alt = NULL) {
    $media_entity = Media::create([
    'bundle' => 'image',
    'uid' => '1',
    'name' => $file->alt,
    'status' => \Drupal\node\NodeInterface::PUBLISHED,
    'field_media_image' => [
    'target_id' => $file->id(),
    'alt' => $alt,
    ],
    ]);
    $media_entity->save();
    return $media_entity;
    }

    /**
    * Fetch a media image entity id by uri.
    *
    * @param string $uri
    * Drupal file system uri.
    *
    * @return bool|int
    * The found entity id, or FALSE.
    */
    function MODULENAME_load_media_image_by_file_uri($uri) {
    $ids = \Drupal::entityQuery('media')
    ->condition('status', 1)
    ->condition('field_media_image.entity.uri', $uri)
    ->execute();

    if (!empty($ids)) {
    return reset($ids);
    }

    return FALSE;
    }