danielebarchiesi@4: <?php
danielebarchiesi@4: 
danielebarchiesi@4: /**
danielebarchiesi@4:  * @file
danielebarchiesi@4:  * Install file for the link module.
danielebarchiesi@4:  */
danielebarchiesi@4: 
danielebarchiesi@4: /**
danielebarchiesi@4:  * Upgrade notes:
danielebarchiesi@4:  * Things we need to make sure work when upgrading from Drupal 6 to Drupal 7:
danielebarchiesi@4:  */
danielebarchiesi@4: 
danielebarchiesi@4: /**
danielebarchiesi@4:  * Implements hook_field_schema().
danielebarchiesi@4:  */
danielebarchiesi@4: function link_field_schema($field) {
danielebarchiesi@4:   return array(
danielebarchiesi@4:     'columns' => array(
danielebarchiesi@4:       'url' => array(
danielebarchiesi@4:         'type' => 'varchar',
danielebarchiesi@4:         // Maximum URLs length.
danielebarchiesi@4:         'length' => 2048,
danielebarchiesi@4:         'not null' => FALSE,
danielebarchiesi@4:         'sortable' => TRUE,
danielebarchiesi@4:       ),
danielebarchiesi@4:       'title' => array(
danielebarchiesi@4:         'type' => 'varchar',
danielebarchiesi@4:         'length' => 255,
danielebarchiesi@4:         'not null' => FALSE,
danielebarchiesi@4:         'sortable' => TRUE,
danielebarchiesi@4:       ),
danielebarchiesi@4:       'attributes' => array(
danielebarchiesi@4:         'type' => 'text',
danielebarchiesi@4:         'size' => 'medium',
danielebarchiesi@4:         'not null' => FALSE,
danielebarchiesi@4:       ),
danielebarchiesi@4:     ),
danielebarchiesi@4:   );
danielebarchiesi@4: }
danielebarchiesi@4: 
danielebarchiesi@4: /**
danielebarchiesi@4:  * Implements hook_update_last_removed().
danielebarchiesi@4:  */
danielebarchiesi@4: function link_update_last_removed() {
danielebarchiesi@4:   return 6001;
danielebarchiesi@4: }
danielebarchiesi@4: 
danielebarchiesi@4: /**
danielebarchiesi@4:  * Handles moving settings data from field_config.data to field_config_instance.data.
danielebarchiesi@4:  */
danielebarchiesi@4: function link_update_7000() {
danielebarchiesi@4:   
danielebarchiesi@4:   // For each field that is a link field, we need to copy the settings from the general field level down to the instance.
danielebarchiesi@4:   //$field_data = array();
danielebarchiesi@4:   $result = db_query("SELECT id, field_name, data FROM {field_config} WHERE module = 'link' AND type = 'link_field'");
danielebarchiesi@4:   foreach ($result as $field) {
danielebarchiesi@4:     $field_id = $field->id;
danielebarchiesi@4:     $name = $field->field_name;
danielebarchiesi@4:     $field_data = unserialize($field->data);
danielebarchiesi@4:     
danielebarchiesi@4:     $instances = db_query("SELECT id, data FROM {field_config_instance} WHERE field_id = :field_id", array(':field_id' => $field_id));
danielebarchiesi@4:     foreach ($instances as $instance) {
danielebarchiesi@4:       // If this field has been updated already, we want to skip it.
danielebarchiesi@4:       $instance_data = unserialize($instance->data);
danielebarchiesi@4:       $update_instance = FALSE;
danielebarchiesi@4:       if (!isset($instance_data['settings']['title'])) {
danielebarchiesi@4:         foreach ($field_data['settings'] as $key => $value) {
danielebarchiesi@4:           if (!isset($instance_data['settings'][$key])) {
danielebarchiesi@4:             $instance_data['settings'][$key] = $value;
danielebarchiesi@4:             $update_instance = TRUE;
danielebarchiesi@4:           }
danielebarchiesi@4:         }
danielebarchiesi@4:         if ($update_instance) {
danielebarchiesi@4:           // update the database.
danielebarchiesi@4:           $num_updated = db_update('field_config_instance')
danielebarchiesi@4:             ->fields(array('data' => serialize($instance_data)))
danielebarchiesi@4:             ->condition('id', $instance->id)
danielebarchiesi@4:             ->execute();
danielebarchiesi@4:         }
danielebarchiesi@4:       }
danielebarchiesi@4:     }
danielebarchiesi@4:   }
danielebarchiesi@4:   
danielebarchiesi@4:   return t("Instance settings have been set with the data from the field settings.");
danielebarchiesi@4: }
danielebarchiesi@4: 
danielebarchiesi@4: /**
danielebarchiesi@4:  * Renames all displays from foobar to link_foobar
danielebarchiesi@4:  */
danielebarchiesi@4: function link_update_7001() {
danielebarchiesi@4:   // Update the display type for each link field type.
danielebarchiesi@4:   $result = db_query("SELECT id, field_name, data FROM {field_config} WHERE module = 'link' AND type = 'link_field'");
danielebarchiesi@4:   foreach ($result as $field) {
danielebarchiesi@4:     $field_id = $field->id;
danielebarchiesi@4:     $name = $field->field_name;
danielebarchiesi@4:     $field_data = unserialize($field->data);
danielebarchiesi@4:     
danielebarchiesi@4:     $instances = db_query("SELECT id, data FROM {field_config_instance} WHERE field_id = :field_id", array(':field_id' => $field_id));
danielebarchiesi@4:     foreach ($instances as $instance) {
danielebarchiesi@4:       // If this field has been updated already, we want to skip it.
danielebarchiesi@4:       $instance_data = unserialize($instance->data);
danielebarchiesi@4:       $update_instance = FALSE;
danielebarchiesi@4:       foreach ($instance_data['display'] as $display_name => $display_data) {
danielebarchiesi@4:         if ($display_data['type'] && (0 !== strpos($display_data['type'], 'link_'))) {
danielebarchiesi@4:           $instance_data['display'][$display_name]['type'] = 'link_' . $display_data['type'];
danielebarchiesi@4:           $update_instance = TRUE;
danielebarchiesi@4:         }
danielebarchiesi@4:       }
danielebarchiesi@4:       if ($update_instance) {
danielebarchiesi@4:         db_update('field_config_instance')
danielebarchiesi@4:           ->fields(array('data' => serialize($instance_data)))
danielebarchiesi@4:           ->condition('id', $instance->id)
danielebarchiesi@4:           ->execute();
danielebarchiesi@4:       }
danielebarchiesi@4:     }
danielebarchiesi@4:   }
danielebarchiesi@4: }