Issue #2911241 by mikelutz, Adita, dhruveshdtripathi, heddn: Migrate field...

Issue #2911241 by mikelutz, Adita, dhruveshdtripathi, heddn: Migrate field collections types as paragraph types

migrations/d7_field_collection_type.yml

+id: d7_field_collection_type
+label: Paragraphs - Field Collection type configuration
+migration_tags:
+  - Drupal 7
+source:
+  plugin: d7_field_collection_type
+  prefix: field_
+  addDescription: true
+process:
+  id: bundle
+  label: name
+  description: description
+destination:
+  plugin: 'entity:paragraphs_type'

migrations/d7_paragraph_type.yml

+id: d7_paragraphs_type
+label: Paragraphs type configuration
+migration_tags:
+  - Drupal 7
+source:
+  plugin: d7_paragraphs_type
+  addDescription: true
+process:
+  id: bundle
+  label: name
+  description: description
+destination:
+  plugin: 'entity:paragraphs_type'

src/Plugin/migrate/source/d7/FieldCollectionType.php

+<?php
+
+namespace Drupal\paragraphs\Plugin\migrate\source\d7;
+
+use Drupal\migrate\Row;
+use Drupal\migrate_drupal\Plugin\migrate\source\DrupalSqlBase;
+
+/**
+ * Field_collection_type source.
+ *
+ * @MigrateSource(
+ *   id = "d7_field_collection_type",
+ *   source_module = "field_collection"
+ * )
+ */
+class FieldCollectionType extends DrupalSqlBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function query() {
+    $query = $this->select('field_config', 'fc')
+      ->fields('fc');
+    $query->condition('fc.type', 'field_collection');
+    $query->condition('fc.active', TRUE);
+    return $query;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function prepareRow(Row $row) {
+
+    $name = $row->getSourceProperty('field_name');
+
+    if ($this->configuration['addDescription']) {
+      $row->setSourceProperty('description', 'Migrated from field_collection ' . $name);
+    }
+    else {
+      $row->setSourceProperty('description', '');
+    }
+
+    // Remove prefix if it is set in configs.
+    $prefix = $this->configuration['prefix'];
+    if (isset($prefix) && strpos($name, $prefix) === 0) {
+      $name = substr($name, strlen($prefix));
+    }
+    $row->setSourceProperty('bundle', $name);
+    // Set label from bundle because we don't have a label in D7 field
+    // collections.
+    $row->setSourceProperty('name', ucfirst(preg_replace('/_/', ' ', $name)));
+
+    return parent::prepareRow($row);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function fields() {
+    return [
+      'bundle' => $this->t('Paragraph type machine name'),
+      'name' => $this->t('Paragraph type label'),
+      'description' => $this->t('Paragraph type description'),
+    ];
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getIds() {
+    $ids['id']['type'] = 'integer';
+    return $ids;
+  }
+
+}

src/Plugin/migrate/source/d7/ParagraphType.php

+<?php
+
+namespace Drupal\paragraphs\Plugin\migrate\source\d7;
+
+use Drupal\migrate\Row;
+use Drupal\migrate_drupal\Plugin\migrate\source\DrupalSqlBase;
+
+/**
+ * Paragraphs source.
+ *
+ * @MigrateSource(
+ *   id = "d7_paragraphs_type",
+ *   source_module = "paragraphs"
+ * )
+ */
+class ParagraphType extends DrupalSqlBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function query() {
+    $query = $this->select('paragraphs_bundle', 'pb')
+      ->fields('pb');
+
+    return $query;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function prepareRow(Row $row) {
+
+    if ($this->configuration['addDescription']) {
+      $name = $row->getSourceProperty('name');
+      $row->setSourceProperty('description', 'Migrated from paragraph bundle ' . $name);
+    }
+    else {
+      $row->setSourceProperty('description', '');
+    }
+
+    return parent::prepareRow($row);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function fields() {
+    return [
+      'bundle' => $this->t('Paragraph type machine name'),
+      'name' => $this->t('Paragraph type label'),
+      'description' => $this->t('Paragraph type description'),
+    ];
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getIds() {
+    $ids['bundle']['type'] = 'string';
+    return $ids;
+  }
+
+}

tests/src/Kernel/ParagraphsMigrationTest.php

+<?php
+
+namespace Drupal\Tests\paragraphs\Kernel;
+
+use Drupal\paragraphs\Entity\ParagraphsType;
+use Drupal\Tests\migrate_drupal\Kernel\MigrateDrupalTestBase;
+
+/**
+ * Tests Paragraph and Field Collection Migrations.
+ *
+ * @group paragraphs
+ */
+class ParagraphsMigrationTest extends MigrateDrupalTestBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public static $modules = ['paragraphs', 'user', 'system', 'field'];
+
+  /**
+   * {@inheritdoc}
+   */
+  public function setUp() {
+    parent::setUp();
+
+    $this->loadFixture(__DIR__ . '/../../fixtures/drupal7.php');
+
+    $this->executeMigration('d7_field_collection_type');
+    $this->executeMigration('d7_paragraphs_type');
+  }
+
+  /**
+   * Check to see if paragraph types were created.
+   *
+   * @param string $bundle_machine_name
+   *   The bundle to test for.
+   * @param string $bundle_label
+   *   The bundle's label.
+   */
+  protected function assertParagraphBundleExists($bundle_machine_name, $bundle_label) {
+    $bundle = ParagraphsType::load($bundle_machine_name);
+    $this->assertInstanceOf(ParagraphsType::class, $bundle);
+    $this->assertEquals($bundle_label, $bundle->label());
+  }
+
+  /**
+   * Test if the field collection type was brought over as a paragraph.
+   */
+  public function testFieldCollectionTypeMigration() {
+    $this->assertParagraphBundleExists('field_collection_test', 'Field collection test');
+  }
+
+  /**
+   * Test if the paragraph type was brought over as a paragraph.
+   */
+  public function testParagraphsTypeMigration() {
+    $this->assertParagraphBundleExists('paragraph_bundle_test', 'Paragraph Bundle Test');
+  }
+
+}