<?php
/**
 * Copyright 2012(c) OBiBa, All rights reserved.
 *
 * This program and the accompanying materials are made available under the terms of the GNU Public License v3.0.
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
 * SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
/**
 * @file
 * Install Mica Relation module.
 */


/**
 * Implements hook_schema()
 */
function mica_relation_schema() {

  $schema['mica_relation'] = array(
    'description' => 'Stores relations between content types',
    'fields' => array(
      'id' => array(
        'type' => 'serial',
        'not null' => TRUE,
        'description' => 'Primary Key: Unique relation ID',
      ),
      'parent_bundle' => array(
        'type' => 'varchar',
        'length' => 128,
        'not null' => TRUE,
        'default' => '',
        'description' => 'The parent content type machine name',
      ),
      'child_bundle' => array(
        'type' => 'varchar',
        'length' => 128,
        'not null' => TRUE,
        'default' => '',
        'description' => 'The child content type machine name',
      ),
      'label' => array(
        'description' => 'The human-readable name to be displayed for this relation.',
        'type' => 'varchar',
        'length' => 80,
        'not null' => TRUE,
      ),
      'enabled' => array(
        'description' => 'A flag indicating whether the relation is enabled.',
        'type' => 'int',
        'size' => 'tiny',
        'not null' => TRUE,
        'default' => 1,
      ),
      'options' => array(
        'description' => 'The options used to configure the relation.',
        'type' => 'text',
        'serialize' => TRUE,
        'not null' => TRUE,
      ),
    ) + entity_exportable_schema_fields(),
    'indexes' => array(
      'parent_index' => array('parent_bundle'),
      'enabled' => array('enabled'),
    ),
    'unique keys' => array(
      'unique_child' => array('child_bundle'),
    ),
    'primary key' => array('id'),
  );
  return $schema;
}

/**
 * Implements hook_install()
 */
function mica_relation_install() {
  _mica_relation_import_data();
}

/**
 * Import mica_relation previously exported by mica_core, if any.
 */
function _mica_relation_import_data() {
  $export = variable_get('mica_relation_export');
  if (isset($export)) {
    foreach ($export as $relation) {
      db_insert('mica_relation')
        ->fields(array(
        'id' => $relation->id,
        'label' => $relation->label,
        'parent_bundle' => $relation->parent_bundle,
        'child_bundle' => $relation->child_bundle,
        'options' => $relation->options,
        'enabled' => $relation->enabled,
      ))->execute();
    }
    variable_del('mica_relation_export');
  }
}