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401 lines
13 KiB
401 lines
13 KiB
<?php |
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/** |
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* @file |
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* The form displayed that shows the datastream version history. |
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*/ |
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/** |
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* Function that returns markup for the datastream versions page. |
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*/ |
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function islandora_datastream_version_table($datastream) { |
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module_load_include('inc', 'islandora', 'includes/datastream'); |
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module_load_include('inc', 'islandora', 'includes/utilities'); |
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$parent = $datastream->parent; |
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drupal_set_title(t("@dsid Previous Versions", array('@dsid' => $datastream->id))); |
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$audit_values = islandora_get_audit_trail($parent->id, $datastream->id); |
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$header = array(); |
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$header[] = array('data' => t('Created Date')); |
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$header[] = array('data' => t('Size')); |
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$header[] = array('data' => t('Label')); |
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$header[] = array('data' => t('Responsibility')); |
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$header[] = array('data' => t('Mime type')); |
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$header[] = array('data' => t('Operations'), 'colspan' => '2'); |
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$rows = array(); |
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foreach ($datastream as $version => $datastream_version) { |
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$row = array(); |
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$reponsibility = $parent->owner; |
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foreach ($audit_values as $audit_value) { |
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$internal = $datastream_version->createdDate; |
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if ($audit_value['date'] == $datastream_version->createdDate) { |
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$reponsibility = $audit_value['responsibility']; |
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} |
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} |
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$user = user_load_by_name($reponsibility); |
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if ($user) { |
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$user_id = $user->uid; |
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$user_val = l($reponsibility, "user/$user_id"); |
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} |
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else { |
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$user_val = $reponsibility; |
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} |
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$row[] = array( |
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'class' => 'datastream-date', |
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'data' => theme('islandora_datastream_view_link', array( |
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'datastream' => $datastream, |
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'label' => $datastream_version->createdDate->format(DATE_RFC850), |
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'version' => $version, |
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)), |
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); |
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$row[] = array( |
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'class' => 'datastream-size', |
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'data' => islandora_datastream_get_human_readable_size($datastream_version), |
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); |
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$row[] = array( |
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'class' => 'datastream-label', |
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'data' => $datastream_version->label, |
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); |
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$row[] = array( |
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'class' => 'datastream-responsibility', |
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'data' => $user_val, |
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); |
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$row[] = array( |
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'class' => 'datastream-mime', |
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'data' => $datastream_version->mimeType, |
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); |
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$row[] = array( |
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'class' => 'datastream-delete', |
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'data' => theme('islandora_datastream_delete_link', array( |
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'datastream' => $datastream, |
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'version' => $version, |
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)), |
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); |
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$row[] = array( |
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'class' => 'datastream-revert', |
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'data' => theme('islandora_datastream_revert_link', array( |
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'datastream' => $datastream, |
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'version' => $version, |
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)), |
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); |
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$rows[] = $row; |
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} |
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return theme('table', array('header' => $header, 'rows' => $rows)); |
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} |
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/** |
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* The admin delete datastream form. |
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* |
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* @param array $form |
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* The Drupal form. |
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* @param array $form_state |
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* The Drupal form state. |
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* @param AbstractDatastream $datastream |
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* The datastream to be deleted. |
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* @param string $version |
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* The version number of the datastream we are trying to delete. |
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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_delete_datastream_version_form(array $form, array &$form_state, AbstractDatastream $datastream, $version) { |
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if (!isset($datastream[$version]) || count($datastream) < 2) { |
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return drupal_not_found(); |
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} |
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$form_state['datastream'] = $datastream; |
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$form_state['version'] = $version; |
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return confirm_form($form, |
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t('Are you sure you want to delete version @version of the @dsid datastream?', array('@dsid' => $datastream->id, '@version' => $version)), |
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"islandora/object/{$datastream->parent->id}", |
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t('This action cannot be undone.'), |
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t('Delete'), |
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t('Cancel') |
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); |
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} |
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/** |
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* Submit handler for the delete datastream form. |
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* |
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* Purges/Delete's the given AbstractDatastream if possible. |
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* |
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* The ISLANDORA_PRE_PURGE_DATASTREAM_HOOK will query other modules as to |
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* whether the given FedoraDatastream |
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* should be: blocked from purging; state set to 'Deleted'; or purged. |
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* |
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* @param array $form |
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* The Drupal form. |
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* @param array $form_state |
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* The Drupal form state. |
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*/ |
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function islandora_delete_datastream_version_form_submit(array $form, array &$form_state) { |
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$datastream = $form_state['datastream']; |
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$version = $form_state['version']; |
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$datastream_id = $datastream->id; |
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$object = $datastream->parent; |
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try { |
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unset($datastream[$version]); |
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} |
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catch (Exception $e) { |
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drupal_set_message(t('Error deleting version %v of %s datastream from object %o %e', array( |
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'%v' => $version, |
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'%s' => $datastream_id, |
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'%o' => $object->label, |
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'%e' => $e->getMessage())), 'error'); |
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} |
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drupal_set_message(t('%d datastream version successfully deleted from Islandora object %o', array( |
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'%d' => $datastream_id, |
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'%o' => $object->label))); |
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$form_state['redirect'] = "islandora/object/{$object->id}/datastream/{$datastream->id}/version"; |
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} |
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/** |
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* The admin revert datastream form. |
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* |
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* @param array $form |
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* The Drupal form. |
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* @param array $form_state |
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* The Drupal form state. |
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* @param AbstractDatastream $datastream |
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* The datastream to be deleted. |
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* @param string $version |
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* The version number of the datastream we are trying to revert to. |
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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_revert_datastream_version_form(array $form, array &$form_state, AbstractDatastream $datastream, $version) { |
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if (!isset($datastream[$version]) || count($datastream) < 2) { |
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return drupal_not_found(); |
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} |
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$form_state['dsid'] = $datastream->id; |
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$form_state['object_id'] = $datastream->parent->id; |
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$form_state['version'] = $version; |
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return confirm_form($form, |
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t('Are you sure you want to revert to version @version of the @dsid datastream?', array('@dsid' => $datastream->id, '@version' => $version)), |
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"islandora/object/{$datastream->parent->id}", |
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"", |
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t('Revert'), |
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t('Cancel') |
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); |
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} |
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/** |
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* Submit handler for the revert datastream form. |
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* |
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* Reverts the given AbstractDatastream if possible. |
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* |
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* @param array $form |
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* The Drupal form. |
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* @param array $form_state |
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* The Drupal form state. |
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*/ |
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function islandora_revert_datastream_version_form_submit(array $form, array &$form_state) { |
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$islandora_object = islandora_object_load($form_state['object_id']); |
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$datastream_to_revert = $islandora_object[$form_state['dsid']]; |
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$version = $form_state['version']; |
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// Create file holding specified datastream version, and set datastream to it. |
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$datastream_to_revert_to = $datastream_to_revert[$version]; |
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if (in_array($datastream_to_revert->controlGroup, array('R', 'E'))) { |
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$datastream_to_revert->url = $datastream_to_revert_to->url; |
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} |
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else { |
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$filename = file_create_filename('datastream_temp_file', 'temporary://'); |
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$datastream_to_revert_to->getContent($filename); |
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$datastream_to_revert->setContentFromFile($filename); |
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file_unmanaged_delete($filename); |
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} |
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if ($datastream_to_revert->mimeType != $datastream_to_revert_to->mimeType) { |
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$datastream_to_revert->mimeType = $datastream_to_revert_to->mimeType; |
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} |
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if ($datastream_to_revert->label != $datastream_to_revert_to->label) { |
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$datastream_to_revert->label = $datastream_to_revert_to->label; |
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} |
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drupal_set_message(t('%d datastream successfully reverted to version %v for Islandora object %o', array( |
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'%d' => $datastream_to_revert->id, |
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'%v' => $version, |
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'%o' => $islandora_object->label))); |
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$form_state['redirect'] = "islandora/object/{$islandora_object->id}/datastream/{$datastream_to_revert->id}/version"; |
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} |
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/** |
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* Process available dsids, mime and extensions for a given object. |
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* |
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* @param AbstractObject $object |
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* The FedoraObject to process available extensions |
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* |
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* @return array() |
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* An associative array, merged from calls to |
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* islandora_get_datastreams_requirements_from_content_models() |
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* and an objects dsid's. |
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*/ |
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function islandora_get_object_extensions(AbstractObject $object) { |
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$extensions = islandora_get_datastreams_requirements_from_models($object->models); |
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foreach ($object as $datastream) { |
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// Could be a datastream not associated in a content model, |
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// such as user added. |
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if (!isset($extensions[$datastream->id])) { |
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// Add the extensions manually. |
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$extensions[$datastream->id] = array( |
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'id' => $datastream->id, |
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'optional' => TRUE, |
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'mime' => array($datastream->mimeType), |
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); |
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} |
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} |
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return $extensions; |
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} |
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/** |
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* The admin replace datastream form. |
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* |
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* @param array $form |
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* The Drupal form. |
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* @param array $form_state |
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* The Drupal form state. |
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* @param AbstractDatastream $datastream |
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* The datastream to be updated. |
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* |
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* @return array |
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* The drupal form definition. |
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*/ |
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function islandora_datastream_version_replace_form($form, &$form_state, AbstractDatastream $datastream) { |
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module_load_include('inc', 'islandora', 'includes/content_model'); |
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module_load_include('inc', 'islandora', 'includes/utilities'); |
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$object = islandora_object_load($datastream->parent->id); |
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$form_state['object_id'] = $object->id; |
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$form_state['dsid'] = $datastream->id; |
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$form_state['object'] = $object; |
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$extensions = islandora_get_object_extensions($object); |
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$mime_detect = new MimeDetect(); |
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$ext = array(); |
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if (isset($extensions[$datastream->id])) { |
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foreach ($extensions[$datastream->id]['mime'] as $key => $value) { |
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$str = $mime_detect->getExtension($value); |
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array_push($ext, $str); |
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} |
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} |
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$comma = count($ext) > 1 ? "," : ""; |
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$ext = array(implode($comma, $ext)); |
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$upload_size = min((int) ini_get('post_max_size'), (int) ini_get('upload_max_filesize')); |
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return array( |
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'dsid_fieldset' => array( |
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'#type' => 'fieldset', |
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'#title' => t("Update datastream with latest version"), |
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'#collapsible' => FALSE, |
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'#collapsed' => FALSE, |
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'dsid' => array( |
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'#type' => 'markup', |
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'#markup' => "<div>DSID: <b>$datastream->id</b></div>", |
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), |
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'label' => array( |
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'#type' => 'markup', |
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'#markup' => "<div>Label: <b>$datastream->label</b></div>", |
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), |
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'file' => array( |
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'#type' => 'managed_file', |
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'#required' => TRUE, |
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'#title' => t('Upload Document'), |
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'#size' => 64, |
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'#description' => t('Select a file to upload.<br/>Files must be less than <strong>@size MB.</strong>', array('@size' => $upload_size)), |
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'#upload_location' => 'temporary://', |
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'#upload_validators' => array( |
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'file_validate_extensions' => $ext, |
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// Assume its specified in MB. |
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'file_validate_size' => array($upload_size * 1024 * 1024), |
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), |
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), |
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'submit' => array( |
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'#type' => 'submit', |
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'#value' => t('Add Contents'), |
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), |
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), |
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); |
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} |
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/** |
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* Submit handler for the replace datastream form. |
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* |
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* Adds a new datastream version as latest. |
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* |
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* @param array $form |
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* The Drupal form. |
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* @param array $form_state |
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* The Drupal form state. |
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*/ |
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function islandora_datastream_version_replace_form_submit($form, &$form_state) { |
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$object = islandora_object_load($form_state['object_id']); |
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$form_state['redirect'] = "islandora/object/{$object->id}"; |
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$file = file_load($form_state['values']['file']); |
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try { |
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$ds = $object[$form_state['dsid']]; |
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$ds->mimetype = $file->filemime; |
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$path = drupal_realpath($file->uri); |
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$ds->setContentFromFile($path); |
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file_delete($file); |
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} |
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catch (exception $e) { |
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drupal_set_message(t('An error occurred during datastream updates. See watchlog for more information.'), 'error'); |
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watchdog('islandora', |
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'Failed to add new versionable datastream.<br/>code: @code<br/>message: @msg', |
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array( |
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'@code' => $e->getCode(), |
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'@msg' => $e->getMessage(), |
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), |
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WATCHDOG_ERROR |
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); |
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file_delete($file); |
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return; |
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} |
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drupal_set_message(t("Successfully Updated Datastream")); |
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} |
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/** |
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* Gets Audit datastream values from foxml. |
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* |
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* @param string $pid |
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* PID of parent object |
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* |
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* @return array |
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* Array of audit values |
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*/ |
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function islandora_get_audit_trail($pid, $dsid) { |
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$url = variable_get('islandora_base_url', 'http://localhost:8080/fedora'); |
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$connection = islandora_get_tuque_connection(NULL, $url); |
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$xml = $connection->api->m->getObjectXml($pid); |
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$simple_xml = simplexml_load_string($xml); |
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$fox_ns = "info:fedora/fedora-system:def/foxml#"; |
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$audit_ns = 'info:fedora/fedora-system:def/audit#'; |
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$foxml_nodes = $simple_xml->children($fox_ns); |
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foreach ($foxml_nodes as $node) { |
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if ($node->attributes()->ID == "AUDIT") { |
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$content = $node->datastreamVersion->xmlContent; |
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$audit_nodes = $content->children($audit_ns); |
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} |
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} |
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$audit_values = array(); |
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if (isset($audit_nodes)) { |
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foreach ($audit_nodes->auditTrail->record as $record) { |
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if ($dsid == $record->componentID) { |
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$values['responsibility'] = $record->responsibility; |
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$values['date'] = $record->date; |
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$audit_values[] = $values; |
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} |
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} |
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} |
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return $audit_values; |
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}
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