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Pull out acquisition of required objects, other generalization...

... introduction of "force" parameter, so reinstallation of objects
can be forced to occur.
pull/370/head
Adam Vessey 12 years ago
parent
commit
cdacfc966d
  1. 151
      includes/solution_packs.inc

151
includes/solution_packs.inc

@ -5,11 +5,55 @@
* Admin and callback functions for solution pack management.
*/
/**
* Get the information about required object.
*
* @param string $module
* An optional string, identifying a module for which to get the required
* object information.
*
* @return array
* An associative array of info describing the required objects. If $module
* is not provided (or is NULL), then we provide the info for all modules. If
* $module is provided and we have info for the given module, only the info
* for that module is provided. If $module is provided and we have no info
* for the given module, we throw an exception.
*/
function islandora_solution_packs_get_required_objects($module = NULL) {
// Should make this statically cache, after figuring out how exactly it
// should be called... We occasionally load a module and attempt to install
// it's object right away (in the same request)... This would require
// resetting of the cache. Let's just not cache for now...
$required_objects = array();
if (!$required_objects) {
$connection = islandora_get_tuque_connection();
$required_objects = module_invoke_all('islandora_required_objects', $connection);
}
if ($module !== NULL) {
if (isset($required_objects[$module])) {
return $required_objects[$module];
}
else {
watchdog('islandora', 'Attempted to get required objects for %module... %module does not appear to have any required objects. Clear caches?', array(
'%module' => $module,
));
throw new Exception(t('Module "@module" has no required objects!', array(
'@module' => $module,
)));
}
}
else {
return $required_objects;
}
}
/**
* Solution pack admin page callback.
*
* @return string
* The html repersentation of all solution pack forms for required objects.
* @return array
* Renderable array of all solution pack forms for required objects.
*/
function islandora_solution_packs_admin() {
module_load_include('inc', 'islandora', 'includes/utilities');
@ -18,17 +62,15 @@ function islandora_solution_packs_admin() {
return '';
}
$connection = islandora_get_tuque_connection();
drupal_add_css(drupal_get_path('module', 'islandora') . '/css/islandora.admin.css');
$output = '';
$enabled_solution_packs = module_invoke_all('islandora_required_objects', $connection);
$output = array();
$enabled_solution_packs = islandora_solution_packs_get_required_objects();
foreach ($enabled_solution_packs as $solution_pack_module => $solution_pack_info) {
// @todo We should probably get the title of the solution pack from the
// systems table for consistency in the interface.
$solution_pack_name = $solution_pack_info['title'];
$objects = array_filter($solution_pack_info['objects']);
$form = drupal_get_form('islandora_solution_pack_form_' . $solution_pack_module, $solution_pack_module, $solution_pack_name, $objects);
$output .= drupal_render($form);
$output[$solution_pack_module] = drupal_get_form('islandora_solution_pack_form_' . $solution_pack_module, $solution_pack_module, $solution_pack_name, $objects);
}
return $output;
}
@ -161,20 +203,38 @@ function islandora_solution_pack_form(array $form, array &$form_state, $solution
*/
function islandora_solution_pack_form_submit(array $form, array &$form_state) {
$solution_pack_module = $form_state['values']['solution_pack_module'];
$objects = $form_state['values']['objects'];
$batch = islandora_solution_pack_get_batch($solution_pack_module);
batch_set($batch);
// Hook to let solution pack objects be modified.
// Not using module_invoke so solution packs can be expanded by other modules.
// @todo shouldn't we send the object list along as well?
module_invoke_all('islandora_postprocess_solution_pack', $solution_pack_module);
}
/**
* Get the batch definition to reinstall all the objects for a given module.
*
* @param string $module
* The name of the modules of which to grab the required objects for to setup
* the batch.
*
* @return array
* An array defining a batch which can be passed on to batch_set().
*/
function islandora_solution_pack_get_batch($module) {
$batch = array(
'title' => t('Installing / Updating solution pack objects'),
'file' => drupal_get_path('module', 'islandora') . '/includes/solution_packs.inc',
'operations' => array(),
);
foreach ($objects as $object) {
$info = islandora_solution_packs_get_required_objects($module);
foreach ($info['objects'] as $object) {
$batch['operations'][] = array('islandora_solution_pack_batch_operation_reingest_object', array($object));
}
batch_set($batch);
// Hook to let solution pack objects be modified.
// Not using module_invoke so solution packs can be expanded by other modules.
// @todo shouldn't we send the object list along as well?
module_invoke_all('islandora_postprocess_solution_pack', $solution_pack_module);
return $batch;
}
/**
@ -245,14 +305,16 @@ function islandora_solution_pack_batch_operation_reingest_object(AbstractObject
* install/unistall hooks.
* @param string $op
* The operation to perform, either install or uninstall.
* @param bool $force
* Force the (un)installation of object.
*
* @todo Implement hook_modules_installed/hook_modules_uninstalled instead of
* calling this function directly.
* @todo Remove the second parameter and have two seperate functions.
*/
function islandora_install_solution_pack($module, $op = 'install') {
function islandora_install_solution_pack($module, $op = 'install', $force = FALSE) {
if ($op == 'uninstall') {
islandora_uninstall_solution_pack($module);
islandora_uninstall_solution_pack($module, $force);
return;
}
@ -267,9 +329,9 @@ function islandora_install_solution_pack($module, $op = 'install') {
'!admin_link' => $admin_link,
);
module_load_include('module', 'islandora', 'islandora');
drupal_load('module', 'islandora');
module_load_include('inc', 'islandora', 'includes/utilities');
module_load_include('module', $module, $module);
drupal_load('module', $module);
$info_file = drupal_get_path('module', $module) . "/{$module}.info";
$info_array = drupal_parse_info_file($info_file);
$module_name = $info_array['name'];
@ -279,8 +341,8 @@ function islandora_install_solution_pack($module, $op = 'install') {
return;
}
$connection = islandora_get_tuque_connection();
$required_objects = module_invoke($module, 'islandora_required_objects', $connection);
$objects = $required_objects[$module]['objects'];
$required_objects = islandora_solution_packs_get_required_objects($module);
$objects = $required_objects['objects'];
$status_messages = array(
'up_to_date' => $t('The object already exists and is up-to-date.', $t_params),
'missing_datastream' => $t('The object already exists but is missing a datastream. Please reinstall the object on the !admin_link page.', $t_params),
@ -288,11 +350,13 @@ function islandora_install_solution_pack($module, $op = 'install') {
'modified_datastream' => $t('The object already exists but datastreams are modified. Please reinstall the object on the !admin_link page.', $t_params),
);
foreach ($objects as $object) {
$query = $connection->api->a->findObjects('query', 'pid=' . $object->id);
$already_exists = !empty($query['results']);
$already_exists = islandora_object_load($object->id);
$label = $object->label;
$object_link = l($label, "islandora/object/{$object->id}");
$deleted = FALSE;
if ($already_exists) {
if (!$force) {
$object_status = islandora_check_object_status($object);
$here_params = array(
'!summary' => $t("@module: Did not install !object_link.", array(
@ -301,20 +365,38 @@ function islandora_install_solution_pack($module, $op = 'install') {
'!description' => $status_messages[$object_status['status']],
);
drupal_set_message(filter_xss(format_string('!summary !description', $here_params)), 'warning');
continue;
}
else {
$deleted = islandora_delete_object($already_exists);
}
}
if ($already_exists && $deleted || !$already_exists) {
$object = islandora_add_object($object);
if ($object) {
if ($deleted) {
drupal_set_message(filter_xss($t('@module: Successfully reinstalled. !object_link.', array(
'!object_link' => $object_link,
) + $t_params)), 'status');
}
else {
drupal_set_message(filter_xss($t('@module: Successfully installed. !object_link.', array(
'!object_link' => $object_link,
) + $t_params)), 'status');
}
}
else {
drupal_set_message($t('@module: Failed to install. @label.', array(
'@label' => $label,
) + $t_params), 'warning');
}
}
else {
drupal_set_message($t('@module: "@label" already exists and failed to be deleted.', array(
'@label' => $label,
) + $t_params), 'warning');
}
}
}
@ -323,15 +405,17 @@ function islandora_install_solution_pack($module, $op = 'install') {
*
* @param string $module
* The solution pack to uninstall.
* @param bool $force
* Force the objects to be removed.
*
* @todo Implement hook_modules_uninstalled instead of calling this function
* directly for each solution pack.
*/
function islandora_uninstall_solution_pack($module) {
function islandora_uninstall_solution_pack($module, $force = FALSE) {
$t = get_t();
module_load_include('module', 'islandora', 'islandora');
drupal_load('module', 'islandora');
module_load_include('inc', 'islandora', 'includes/utilities');
module_load_include('module', $module, $module);
drupal_load('module', $module);
$config_link = l($t('Islandora configuration'), 'admin/islandora/configure');
$info_file = drupal_get_path('module', $module) . "/{$module}.info";
$info_array = drupal_parse_info_file($info_file);
@ -345,14 +429,16 @@ function islandora_uninstall_solution_pack($module) {
return;
}
$connection = islandora_get_tuque_connection();
$required_objects = module_invoke($module, 'islandora_required_objects', $connection);
$objects = $required_objects[$module]['objects'];
$required_objects = islandora_solution_packs_get_required_objects($module);
$objects = $required_objects['objects'];
$filter = function($o) use($connection) {
$param = "pid={$o->id}";
$query = $connection->api->a->findObjects('query', $param);
return !empty($query['results']);
};
$existing_objects = array_filter($objects, $filter);
if (!$force) {
foreach ($existing_objects as $object) {
$object_link = l($object->label, "islandora/object/{$object->id}");
$msg = $t('@module: Did not remove !object_link. It may be used by other sites.', array(
@ -362,6 +448,17 @@ function islandora_uninstall_solution_pack($module) {
drupal_set_message(filter_xss($msg), 'warning');
}
}
else {
foreach ($existing_objects as $object) {
$params = array(
'@id' => $object->id,
'@module' => $module_name,
);
islandora_delete_object($object);
drupal_set_message($t('@module: Deleted @id.', $params));
}
}
}
/**

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