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<?php
/**
* @file
* Install file providing corresponding entity reference schema.
*/
/**
* Implements hook_schema().
*/
function cer_schema() {
$schema['cer'] = array(
'description' => t('Saves the content types and entity reference fields for which the corresponding entity reference is enabled'),
'fields' => array(
'entity_types_content_fields' => array('type' => 'varchar', 'length' => 200, 'not null' => TRUE, 'default' => ''),
'enabled' => array('type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0),
),
'primary key' => array('entity_types_content_fields'),
'export' => array(
'key' => 'entity_types_content_fields',
'status' => 'enabled',
'primary key' => 'entity_types_content_fields',
'key name' => 'Corresponding entity reference',
'identifier' => 'cnr_obj',
'api' => array(
'api' => 'default_cer_presets',
'owner' => 'cer',
'minimum_version' => 1,
'current_version' => 1,
),
),
);
return $schema;
}
/**
* Rename table to shorten module name.
*/
function cer_update_7001() {
db_rename_table('corresponding_entity_references', 'cer');
}
/**
* Disable presets which refer to fields that don't exist. (Issue #2122531)
*/
function cer_update_7002() {
$presets = db_query('SELECT entity_types_content_fields FROM {cer} WHERE 1')->fetchCol();
foreach ($presets as $preset) {
$keys = explode('*', $preset);
$left = field_info_instance($keys[0], $keys[2], $keys[1]);
$right = field_info_instance($keys[3], $keys[5], $keys[4]);
if (empty($left) || empty($right)) {
db_query('UPDATE {cer} SET enabled = 0 WHERE entity_types_content_fields = :preset', array(':preset' => $preset));
drupal_set_message(t('CER preset %preset was disabled because it uses non-existent fields.', array('%preset' => $preset)), 'warning');
}
}
}