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326 lines
10 KiB
326 lines
10 KiB
<?php |
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/** |
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* @file |
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* Handles the management of deleted objects. |
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*/ |
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/** |
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* The deletion management prep form. |
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* |
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* @param array $form |
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* The Drupal form definition. |
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* @param array $form_state |
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* The Drupal form state. |
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* |
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* @return array |
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* The Drupal form definition. |
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*/ |
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function islandora_deleted_objects_prep_form($form, $form_state, $serialized_chosen = NULL) { |
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module_load_include('inc', 'islandora', 'includes/utilities'); |
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$chosen_contentmodels = array(); |
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if ($serialized_chosen) { |
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$chosen_contentmodels = unserialize($serialized_chosen); |
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} |
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$contentmodels_with_deleted_members = islandora_get_contentmodels_with_deleted_members(); |
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$elegible_contentmodels = array_keys($contentmodels_with_deleted_members); |
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if (empty($contentmodels_with_deleted_members)) { |
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$form['message'] = array( |
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'#type' => 'markup', |
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'#markup' => t("There are no deleted objects in this repository."), |
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); |
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return $form; |
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} |
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$form['message'] = array( |
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'#type' => 'markup', |
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'#markup' => t("Select content models of deleted objects."), |
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); |
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$form['mapped_contentmodels'] = array( |
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'#type' => 'hidden', |
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'#value' => $contentmodels_with_deleted_members, |
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); |
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$table_element = islandora_content_model_select_table_form_element(NULL); |
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foreach ($table_element['#options'] as $option) { |
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if (!in_array($option['pid'], $elegible_contentmodels)) { |
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unset($table_element['#options'][$option['pid']]); |
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} |
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} |
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foreach ($table_element['#options'] as $option) { |
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if (array_key_exists($option['pid'], $chosen_contentmodels)) { |
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$table_element['#default_value'][$option['pid']] = TRUE; |
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} |
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} |
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$form['contentmodels'] = $table_element; |
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$form['next'] = array( |
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'#type' => 'submit', |
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'#value' => t('Next'), |
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); |
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return $form; |
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} |
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/** |
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* Submit handler for deletion management prep form. |
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* |
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* @param array $form |
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* The form. |
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* @param array $form_state |
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* The form state. |
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*/ |
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function islandora_deleted_objects_prep_form_submit($form, $form_state) { |
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$content_models = $form_state['values']['contentmodels']; |
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$chosen = function($element) { |
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return $element; |
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}; |
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$serialized_contentmodels = serialize(array_filter($content_models, $chosen)); |
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drupal_goto("admin/islandora/restore/manage/$serialized_contentmodels"); |
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} |
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/** |
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* The deletion management prep form. |
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* |
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* @param array $form |
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* The Drupal form definition. |
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* @param array $form_state |
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* The Drupal form state. |
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* |
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* @return array |
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* The Drupal form definition. |
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*/ |
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function islandora_deleted_objects_manage_form($form, $form_state, $serialized_chosen = NULL) { |
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$form['previous'] = array( |
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'#type' => 'submit', |
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'#value' => t('Previous'), |
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'#attributes' => array('source' => 'previous'), |
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); |
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$chosen_contentmodels = unserialize($serialized_chosen); |
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$content_models_with_deleted = islandora_get_contentmodels_with_deleted_members(); |
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foreach ($chosen_contentmodels as $contentmodel) { |
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if (!array_key_exists($contentmodel, $content_models_with_deleted)) { |
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unset($chosen_contentmodels[$contentmodel]); |
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} |
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} |
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if (empty($chosen_contentmodels)) { |
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$form['message'] = array( |
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'#type' => 'markup', |
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'#markup' => t("There are no deleted objects with the selected content models in this repository."), |
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); |
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return $form; |
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} |
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if (is_array($chosen_contentmodels)) { |
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foreach ($chosen_contentmodels as $key => $value) { |
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if (in_array($key, $content_models_with_deleted)) { |
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$chosen_contentmodels[$key] = $content_models_with_deleted[$key]; |
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} |
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} |
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} |
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$options = islandora_get_deleted_objects($chosen_contentmodels); |
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$per_page = 25; |
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if (count($options) < 28) { |
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$per_page = count($options); |
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} |
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$current_page = pager_default_initialize(count($options), $per_page); |
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$options_this_page = array_slice($options, $current_page * $per_page, $per_page); |
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foreach ($options_this_page as &$option) { |
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$option['content_model'] = $content_models_with_deleted[$option['content_model']]; |
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} |
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$form['serialized_chosen'] = array( |
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'#type' => 'hidden', |
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'#value' => $serialized_chosen, |
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); |
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$form['pager'] = array( |
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'#type' => 'markup', |
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'#markup' => theme('pager', array('quantity', count($options))), |
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); |
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$form['propogate'] = array( |
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'#title' => t('Apply changes to related objects?'), |
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'#default_value' => TRUE, |
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'#description' => t("Objects associated with selected objects will also be restored. ie page objects associated with a book object."), |
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'#type' => 'checkbox', |
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); |
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$form['chosen'] = array( |
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'#type' => 'hidden', |
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'#value' => $chosen_contentmodels, |
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); |
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$form['objects_to_process'] = array( |
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'#type' => 'tableselect', |
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'#header' => array( |
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'title' => t('Name'), |
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'pid' => t('PID'), |
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'content_model' => t('Content Model'), |
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), |
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'#multiple' => TRUE, |
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'#options' => $options_this_page, |
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); |
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$form['submit'] = array( |
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'#type' => 'submit', |
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'#value' => t('Restore selected objects'), |
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'#attributes' => array('source' => 'restore'), |
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); |
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if (user_access(FEDORA_PURGE)) { |
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$form['purge'] = array( |
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'#type' => 'submit', |
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'#value' => t('Irrevocably purge selected objects'), |
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'#attributes' => array('source' => 'purge'), |
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); |
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} |
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return $form; |
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} |
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/** |
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* Submit handler for deletion management form. |
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* |
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* @param array $form |
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* The form. |
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* @param array $form_state |
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* The form state. |
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*/ |
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function islandora_deleted_objects_manage_form_submit($form, $form_state) { |
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module_load_include('inc', 'islandora', 'includes/utilities'); |
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$serialized_chosen = isset($form_state['values']['serialized_chosen']) ? $form_state['values']['serialized_chosen'] : NULL; |
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if (isset($form_state['clicked_button']['#attributes']['source']) && $form_state['clicked_button']['#attributes']['source'] == 'previous') { |
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drupal_goto("admin/islandora/restore/prep/$serialized_chosen"); |
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} |
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if ($form_state['clicked_button']['#attributes']['source'] == 'restore') { |
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$descriptor = "Restoring"; |
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$action = 'islandora_restore_object_by_pid'; |
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} |
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if ($form_state['clicked_button']['#attributes']['source'] == 'purge') { |
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$descriptor = "Purging"; |
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$action = 'islandora_purge_object_by_pid'; |
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} |
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$objects_to_process = array_filter($form_state['values']['objects_to_process']); |
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$pids_to_restore = $objects_to_process; |
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if ($form_state['values']['propogate']) { |
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foreach ($objects_to_process as $pid) { |
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$fedora_object = islandora_object_load($pid); |
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$hooks = islandora_build_hook_list(ISLANDORA_UPDATE_RELATED_OBJECTS_PROPERTIES_HOOK, $fedora_object->models); |
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foreach ($hooks as $hook) { |
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$temp = module_invoke_all($hook, $fedora_object); |
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if (!empty($temp)) { |
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$pids_to_restore = array_merge_recursive($pids_to_restore, $temp); |
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} |
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} |
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} |
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} |
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$batch = array( |
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'title' => t('@descriptor selected objects', array('@descriptor' => $descriptor)), |
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'file' => drupal_get_path('module', 'islandora') . '/includes/manage_deleted_objects.inc', |
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'operations' => array(), |
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); |
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foreach ($pids_to_restore as $pid) { |
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$batch['operations'][] = array( |
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$action, |
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array($pid), |
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); |
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} |
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batch_set($batch); |
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batch_process("admin/islandora/restore/manage/$serialized_chosen"); |
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} |
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/** |
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* Gets PIDS of all deleted objects. |
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* |
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* @return array |
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* array of pids |
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*/ |
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function islandora_get_deleted_objects($content_models) { |
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$tuque = islandora_get_tuque_connection(); |
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$repository = $tuque->repository; |
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$candidates = array_keys($content_models); |
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$first_contentmodel = array_shift($candidates); |
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$prefix = "PREFIX fm: <" . FEDORA_MODEL_URI . "> "; |
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$select = "SELECT DISTINCT ?subject ?label ?object FROM <#ri> WHERE { "; |
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$where_clause = "{?subject fm:hasModel <info:fedora/$first_contentmodel>; |
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fm:state fm:Deleted; |
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fm:hasModel ?object; |
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}"; |
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$suffix = '}'; |
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$unions = ''; |
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foreach ($candidates as $contentmodel) { |
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$unions .= "UNION {?subject fm:hasModel <info:fedora/$contentmodel>; |
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fm:state fm:Deleted; |
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fm:hasModel ?object; |
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} |
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"; |
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} |
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$optional = "OPTIONAL{?subject fm:label ?label}"; |
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$query = "$prefix $select $where_clause $unions $optional $suffix"; |
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$objects = $repository->ri->sparqlQuery($query, -1); |
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$deleted_objects = array(); |
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foreach ($objects as $object) { |
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if ($object['object']['value'] != "fedora-system:FedoraObject-3.0") { |
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$pid = $object['subject']['value']; |
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$cm_pid = $object['object']['value']; |
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$title = $object['label']['value']; |
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$deleted_objects[$pid] = array( |
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'title' => $title, 'pid' => $pid, |
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'content_model' => $content_models[$cm_pid], |
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); |
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} |
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} |
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return $deleted_objects; |
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} |
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/** |
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* Gets PIDS of all content models associated with deleted objects. |
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* |
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* @return array |
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* array of content model pids |
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*/ |
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function islandora_get_contentmodels_with_deleted_members() { |
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$tuque = new IslandoraTuque(); |
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$repository = $tuque->repository; |
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$query = "PREFIX fm: <info:fedora/fedora-system:def/model#> |
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SELECT DISTINCT ?object ?label FROM <#ri> |
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WHERE { |
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{?subject fm:state fm:Deleted; |
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fm:hasModel ?object; |
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} |
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OPTIONAL{ |
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?object fm:label ?label |
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} |
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}"; |
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$objects = $repository->ri->sparqlQuery($query, -1); |
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$content_models = array(); |
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foreach ($objects as $object) { |
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if ($object['object']['value'] != "fedora-system:FedoraObject-3.0") { |
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$content_models[$object['object']['value']] = $object['label']['value']; |
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} |
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} |
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return $content_models; |
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} |
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/** |
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* Restores deleted object. |
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* |
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* @param String $pid |
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* PID of object to be restored |
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*/ |
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function islandora_restore_object_by_pid($pid) { |
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$fedora_object = islandora_object_load($pid); |
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$fedora_object->state = 'A'; |
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} |
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/** |
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* Purges deleted object. |
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* |
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* @param String $pid |
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* PID of object to be restored |
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*/ |
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function islandora_purge_object_by_pid($pid) { |
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$fedora_object = islandora_object_load($pid); |
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$fedora_object->repository->purgeObject($pid); |
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}
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