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1 <?php
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2
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3 namespace Drupal\migrate_tools\Form;
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4
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5 use Drupal\Core\Entity\EntityForm;
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6 use Drupal\Core\Entity\Query\QueryFactory;
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7 use Drupal\Core\Form\FormStateInterface;
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8 use Drupal\migrate_plus\Entity\MigrationGroup;
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9 use Symfony\Component\DependencyInjection\ContainerInterface;
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10 use Drupal\migrate\Plugin\MigrationInterface;
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11
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12 /**
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13 * Class MigrationFormBase.
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14 *
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15 * @package Drupal\migrate_tools\Form
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16 *
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17 * @ingroup migrate_tools
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18 */
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19 class MigrationFormBase extends EntityForm {
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20
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21 /**
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22 * @var \Drupal\Core\Entity\Query\QueryFactory
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23 */
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24 protected $entityQueryFactory;
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25
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26 /**
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27 * Construct the MigrationGroupFormBase.
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28 *
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29 * For simple entity forms, there's no need for a constructor. Our migration form
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30 * base, however, requires an entity query factory to be injected into it
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31 * from the container. We later use this query factory to build an entity
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32 * query for the exists() method.
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33 *
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34 * @param \Drupal\Core\Entity\Query\QueryFactory $query_factory
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35 * An entity query factory for the migration group entity type.
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36 */
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37 public function __construct(QueryFactory $query_factory) {
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38 $this->entityQueryFactory = $query_factory;
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39 }
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40
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41 /**
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42 * Factory method for MigrationFormBase.
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43 *
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44 * @param \Symfony\Component\DependencyInjection\ContainerInterface $container
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45 * A container interface service.
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46 *
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47 * @return \Drupal\migrate_tools\Form\MigrationGroupFormBase
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48 */
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49 public static function create(ContainerInterface $container) {
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50 return new static($container->get('entity.query'));
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51 }
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52
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53 /**
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54 * Overrides Drupal\Core\Entity\EntityFormController::form().
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55 *
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56 * Builds the entity add/edit form.
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57 *
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58 * @param array $form
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59 * An associative array containing the structure of the form.
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60 * @param \Drupal\Core\Form\FormStateInterface $form_state
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61 * An associative array containing the current state of the form.
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62 *
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63 * @return array
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64 * An associative array containing the migration add/edit form.
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65 */
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66 public function buildForm(array $form, FormStateInterface $form_state) {
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67 // Get anything we need from the base class.
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68 $form = parent::buildForm($form, $form_state);
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69
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70 /** @var MigrationInterface $migration */
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71 $migration = $this->entity;
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72
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73 $form['warning'] = [
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74 '#markup' => $this->t('Creating migrations is not yet supported. See <a href=":url">:url</a>', [
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75 ':url' => 'https://www.drupal.org/node/2573241',
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76 ])
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77 ];
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78
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79 // Build the form.
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80 $form['label'] = array(
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81 '#type' => 'textfield',
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82 '#title' => $this->t('Label'),
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83 '#maxlength' => 255,
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84 '#default_value' => $migration->label(),
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85 '#required' => TRUE,
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86 );
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87 $form['id'] = array(
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88 '#type' => 'machine_name',
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89 '#title' => $this->t('Machine name'),
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90 '#default_value' => $migration->id(),
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91 '#machine_name' => array(
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92 'exists' => array($this, 'exists'),
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93 'replace_pattern' => '([^a-z0-9_]+)|(^custom$)',
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94 'error' => 'The machine-readable name must be unique, and can only contain lowercase letters, numbers, and underscores. Additionally, it can not be the reserved word "custom".',
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95 ),
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96 '#disabled' => !$migration->isNew(),
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97 );
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98
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99 $groups = MigrationGroup::loadMultiple();
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100 $group_options = [];
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101 foreach ($groups as $group) {
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102 $group_options[$group->id()] = $group->label();
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103 }
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104 if (!$migration->get('migration_group') && isset($group_options['default'])) {
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105 $migration->set('migration_group', 'default');
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106 }
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107
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108 $form['migration_group'] = array(
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109 '#type' => 'select',
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110 '#title' => $this->t('Migration Group'),
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111 '#empty_value' => '',
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112 '#default_value' => $migration->get('migration_group'),
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113 '#options' => $group_options,
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114 '#description' => $this->t('Assign this migration to an existing group.'),
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115 );
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116
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117 return $form;
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118 }
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119
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120 /**
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121 * Checks for an existing migration group.
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122 *
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123 * @param string|int $entity_id
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124 * The entity ID.
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125 * @param array $element
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126 * The form element.
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127 * @param FormStateInterface $form_state
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128 * The form state.
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129 *
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130 * @return bool
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131 * TRUE if this format already exists, FALSE otherwise.
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132 */
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133 public function exists($entity_id, array $element, FormStateInterface $form_state) {
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134 // Use the query factory to build a new migration entity query.
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135 $query = $this->entityQueryFactory->get('migration');
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136
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137 // Query the entity ID to see if its in use.
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138 $result = $query->condition('id', $element['#field_prefix'] . $entity_id)
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139 ->execute();
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140
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141 // We don't need to return the ID, only if it exists or not.
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142 return (bool) $result;
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143 }
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144
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145 /**
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146 * Overrides Drupal\Core\Entity\EntityFormController::actions().
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147 *
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148 * @param array $form
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149 * An associative array containing the structure of the form.
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150 * @param \Drupal\Core\Form\FormStateInterface $form_state
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151 * An associative array containing the current state of the form.
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152 *
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153 * @return array
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154 * An array of supported actions for the current entity form.
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155 */
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156 protected function actions(array $form, FormStateInterface $form_state) {
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157 // Get the basic actins from the base class.
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158 $actions = parent::actions($form, $form_state);
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159
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160 // Change the submit button text.
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161 $actions['submit']['#value'] = $this->t('Save');
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162
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163 // Return the result.
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164 return $actions;
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165 }
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166
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167 /**
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168 * Overrides Drupal\Core\Entity\EntityFormController::save().
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169 *
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170 * @param array $form
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171 * An associative array containing the structure of the form.
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172 * @param \Drupal\Core\Form\FormStateInterface $form_state
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173 * An associative array containing the current state of the form.
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174 *
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175 * @return $this
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176 */
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177 public function save(array $form, FormStateInterface $form_state) {
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178 $migration = $this->getEntity();
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179 $status = $migration->save();
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180
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181 if ($status == SAVED_UPDATED) {
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182 // If we edited an existing entity...
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183 drupal_set_message($this->t('Migration %label has been updated.', array('%label' => $migration->label())));
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184 }
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185 else {
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186 // If we created a new entity...
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187 drupal_set_message($this->t('Migration %label has been added.', array('%label' => $migration->label())));
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188 }
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189
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190 // Redirect the user back to the listing route after the save operation.
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191 $form_state->setRedirect('entity.migration.list',
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192 array('migration_group' => $migration->get('migration_group')));
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193 }
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194
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195 }
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