Created
March 24, 2014 15:29
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Example API for redirecting CasperJS to Drupal data.
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<?php | |
/** | |
* Implements hook_menu(). | |
*/ | |
function example_api_menu() { | |
$items = array(); | |
$items['api'] = array( | |
'page callback' => 'example_api_redirect', | |
'page arguments' => array(1, 2), | |
'access callback' => TRUE, | |
); | |
return $items; | |
} | |
/** | |
* Page callback for api/%s/%s. | |
* | |
* Redirect users from e.g. api/publications/12405 to node/2351. | |
*/ | |
function example_api_redirect($type, $id) { | |
// Check if $type is allowed. | |
$allowed_types = array( | |
'publication', | |
'journal', | |
// etc etc | |
); | |
if (!in_array(check_plain($type), $allowed_types)) { | |
drupal_access_denied(); | |
} | |
$id = check_plain($id); | |
_example_api_get_content_by_source_id($type, $id); | |
} | |
/** | |
* Redirects visitor to Drupal entity that matches source content type and ID. | |
*/ | |
function _example_api_get_content_by_source_id($type, $id) { | |
$drupal_id = NULL; | |
$query = new EntityFieldQuery(); | |
$admin_user = user_load(1); | |
$entity_type = 'node'; | |
switch ($type) { | |
case 'publication': | |
$query->entityCondition('entity_type', 'node') | |
->entityCondition('bundle', 'publication') | |
->fieldCondition('field_publication_id', 'value', $id) | |
->addMetaData('account', $admin_user); | |
break; | |
case 'journal': | |
$entity_type = 'journal'; | |
$query->entityCondition('entity_type', 'journal') | |
->entityCondition('bundle', 'journal') | |
->fieldCondition('field_journal_id', 'value', $id) | |
->addMetaData('account', $admin_user); | |
break; | |
// Etc etc. | |
} | |
$result = $query->execute(); | |
if (isset($result[$entity_type])) { | |
// Check if there is more than one result. | |
$count = count($result[$entity_type]); | |
// Get the first item in the results. | |
$entity = array_shift($result[$entity_type]); | |
if ($count > 1) { | |
// Build a list of IDs of duplicate entities. | |
if ($entity_type == 'entity') { | |
$ids = implode(', ', array_keys($result[$entity_type])); | |
} | |
else { | |
$ids = array(); | |
foreach ($result[$entity_type] as $item) { | |
$ids[] = $item->nid; | |
} | |
$ids = implode(', ', $ids); | |
} | |
drupal_set_message(t('We found more than one entity matching id %id. Other entity IDs found are %entities', | |
array( | |
'%id' => $id, | |
'%entities' => $ids, | |
) | |
), | |
'warning'); | |
} | |
$drupal_id = ($entity_type == 'node') ? $entity->nid : $entity->id; | |
} | |
$success_message = t('Successfully located Drupal entity for type %type and id %id', array('%type' => $type, '%id' => $id)); | |
if (!$drupal_id) { | |
drupal_set_message(t('Could not find a Drupal entity for type %type and id %id', array('%type' => $type, '%id' => $id)), 'warning'); | |
drupal_not_found(); | |
} | |
elseif ($entity_type == 'node') { | |
drupal_set_message($success_message, 'success'); | |
drupal_goto('node/' . $drupal_id); | |
} | |
else { | |
drupal_set_message($success_message, 'success'); | |
drupal_goto($entity_type . '/' . $entity_type . '/' . $drupal_id); | |
} | |
} |
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