Ben Woodhead
13 years ago
11 changed files with 345 additions and 170 deletions
@ -0,0 +1,175 @@
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<?php |
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/** |
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* @file |
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* Invokes a hook to any dependent modules asking them if their installations require |
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* any fedora objects to be present. Modules implementing this hook should return an array |
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* of arrays of the form: |
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* |
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* array( 'pid', 'path-to-foxml-file', 'dsid', 'path-to-datastream-file', int dsversion) |
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* |
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* where the last three options are optional. A module can either point to a simple |
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* foxml file to install, or can specify a datastreamstream to check for, with a |
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* path to load the datastream from if it isn't there. Optionally a version number |
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* can be included, to enable updating of content model or collection policy streams |
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* that may have been updated. THis is a simple whole number that should be incremented |
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* when changed. This value appears in as an attribute of the topmost element of the stream, |
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* e.g.,: |
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* |
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* <?xml version="1.0" encoding="utf-8"?> <content_model name="Collection" version="2" ...
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* |
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* Datastreams which don't have this element are assumed to be at version 0. |
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*/ |
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function islandora_repository_solution_packs_page() { |
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$enabled_solution_packs = module_invoke_all('required_fedora_objects'); |
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$output = ''; |
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foreach ($enabled_solution_packs as $solution_pack_module => $solution_pack_info) { |
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$objects = array(); |
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foreach ($solution_pack_info as $field => $value) { |
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switch ($field) { |
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case 'title': |
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$solution_pack_name = $value; |
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break; |
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case 'objects': |
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$objects = $value; |
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break; |
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} |
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} |
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$output .= drupal_get_form('islandora_repository_solution_pack_form_' . $solution_pack_module, $solution_pack_module, $solution_pack_name, $objects); |
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} |
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return $output; |
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} |
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/** |
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* Check for installed objects and add a 'Update' or 'Install' button if some objects are missing. |
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* @param array $solution_pack |
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*/ |
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function islandora_repository_solution_pack_form(&$form_state, $solution_pack_module, $solution_pack_name, $objects = array()) { |
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// Check each object to see if it is in the repository. |
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module_load_include('inc', 'islandora_repository', 'api/fedora_item'); |
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global $base_path; |
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$needs_update = FALSE; |
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$needs_install = FALSE; |
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$form = array(); |
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$form['solution_pack_module'] = array( |
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'#type' => 'hidden', |
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'#value' => $solution_pack_module, |
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); |
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if (!$form_state['submitted']) { |
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$form['soluction_pack_name'] = array( |
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'#type' => 'markup', |
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'#value' => t($solution_pack_name), |
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'#prefix' => '<h3>', |
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'#suffix' => '</h3>', |
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); |
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$form['objects'] = array( |
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'#type' => 'fieldset', |
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'#title' => "Objects", |
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'#weight' => 10, |
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'#attributes' => array('class' => 'collapsed'), |
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'#collapsible' => TRUE, |
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'#collapsed' => TRUE, |
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); |
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$table_header = array('PID', 'Status'); |
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$table_rows = array(); |
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foreach ($objects as $object) { |
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$datastreams = NULL; |
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if (isset($object['pid'])) { |
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$pid = $object['pid']; |
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$item = new Fedora_Item($pid); |
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$table_row = array($object['pid']); |
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$object_status = t('Up-to-date'); |
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if (!$item->exists()) { |
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$object_status = 'Missing'; |
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$needs_install = TRUE; |
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} |
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else { |
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if (isset($object['dsid']) && isset($object['datastream_file']) && isset($object['dsversion'])) { |
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$datastreams = array( |
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array( |
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'dsid' => $object['dsid'], |
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'datastream_file' => $object['datastream_file'], |
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'dsversion' => $object['dsversion'], |
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), |
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); |
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} |
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elseif (!empty($object['datastreams'])) { |
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$datastreams = $object['datastreams']; |
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} |
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if (!empty($datastreams) && is_array($datastreams)) { |
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foreach ($datastreams as $ds) { |
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$ds_list = $item->get_datastreams_list_as_array(); |
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if (!array_key_exists($ds['dsid'], $ds_list)) { |
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$needs_update = TRUE; |
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$object_status = 'Missing datastream'; |
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break; |
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} |
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if (isset($ds['dsversion'])) { |
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// Check if the datastream is versioned and needs updating. |
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$installed_version = islandora_repository_get_islandora_datastream_version($item, $ds['dsid']); |
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$available_version = islandora_repository_get_islandora_datastream_version(NULL, NULL, $ds['datastream_file']); |
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if ($available_version > $installed_version) { |
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$needs_update = TRUE; |
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$object_status = 'Out of date'; |
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break; |
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} |
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} |
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} |
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} |
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} |
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array_push($table_row, $object_status); |
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$table_rows[] = $table_row; |
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} |
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} |
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$form['objects']['table'] = array( |
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'#type' => 'markup', |
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'#value' => theme_table($table_header, $table_rows), |
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); |
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} |
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$form['install_status'] = array( |
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'#type' => 'markup', |
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'#prefix' => '<strong>' . t('Object status:') . ' </strong>', |
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'#suffix' => ' ', |
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); |
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if (!$needs_install && !$needs_update) { |
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$form['install_status']['#value'] = theme_image('misc/watchdog-ok.png') . t('All required objects are installed and up-to-date.'); |
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} |
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else { |
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$form['install_status']['#value'] = theme_image('misc/watchdog-warning.png') . t('Some objects must be re-ingested. See Objects list for details.'); |
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} |
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$form['submit'] = array( |
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'#value' => t('Install'), |
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'#disabled' => !$needs_install && !$needs_update, |
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'#type' => 'submit', |
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'#name' => $solution_pack_module, |
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); |
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$form['#submit'] = array( |
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'islandora_repository_solution_pack_form_submit', |
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); |
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return $form; |
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} |
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function islandora_repository_solution_pack_form_submit($form, &$form_state) { |
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$what = $form_state; |
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$module_name = $form_state['values']['solution_pack_module']; |
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$solution_pack_info = call_user_func($module_name . '_required_fedora_objects'); |
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$batch = array( |
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'title' => t('Installing / updating solution pack objects'), |
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'file' => drupal_get_path('module', 'islandora_repository') . '/islandora_repository.module', |
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'operations' => array(), |
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); |
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foreach ($solution_pack_info[$module_name]['objects'] as $object) { |
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// Add this object to the batch job queue. |
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$batch['operations'][] = array('islandora_repository_batch_reingest_object', array($object)); |
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} |
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batch_set($batch); |
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} |
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