<?php

/**
 * @file
 * The Flag lists module install file.
 */

 /**
 * Implementation of hook_install().
 */
function flag_lists_schema() {
  $schema = array();
  $schema['flag_lists_flags'] = array(
    'fields' => array(
      'fid' => array(
        'type' => 'serial',
        'size' => 'small',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'pfid' => array(
        'type' => 'int',
        'size' => 'small',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'uid' => array(
        'type' => 'int',
        'size' => 'small',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'entity_type' => array(
        'type' => 'varchar',
        'length' => '32',
        'not null' => TRUE,
        'default' => '',
      ),
      'name' => array(
        'type' => 'varchar',
        'length' => '32',
        'not null' => FALSE,
        'default' => '',
      ),
      'title' => array(
        'type' => 'varchar',
        'length' => '255',
        'not null' => FALSE,
        'default' => '',
      ),
      'options' => array(
        'type' => 'text',
        'not null' => FALSE,
      ),
    ),
    'primary key' => array('fid'),
    'unique keys' => array(
      'name' => array('name'),
    ),
  );
  $schema['flag_lists_content'] = array(
    'fields' => array(
      'fcid' => array(
        'type' => 'serial',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'fid' => array(
        'type' => 'int',
        'size' => 'small',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
      'entity_type' => array(
        'type' => 'varchar',
        'length' => '32',
        'not null' => TRUE,
        'default' => '',
      ),
      'entity_id' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
      'uid' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
      'sid' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
      'timestamp' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
        'disp-size' => 11,
      )
    ),
    'primary key' => array('fcid'),
    'unique keys' => array(
      'fid_entity_id_uid_sid' => array('fid', 'entity_id', 'uid', 'sid'),
    ),
    'indexes' => array(
      'entity_type_entity_id' => array('entity_type', 'entity_id'),
      'entity_type_uid_sid' => array('entity_type', 'uid', 'sid'),
    ),
  );
  $schema['flag_lists_counts'] = array(
    'fields' => array(
      'fid' => array(
        'type' => 'int',
        'size' => 'small',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
      'entity_type' => array(
        'type' => 'varchar',
        'length' => '32',
        'not null' => TRUE,
        'default' => '',
      ),
      'entity_id' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
        'disp-width' => '10',
      ),
      'count' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
        'disp-width' => '10',
      )
    ),
    'primary key' => array('fid', 'entity_id'),
    'indexes' => array(
      'fid_entity_type' => array('fid', 'entity_type'),
      'entity_type_entity_id' => array('entity_type', 'entity_id'),
      'count' => array('count'),
    ),
  );
  $schema['flag_lists_types'] = array(
    'fields' => array(
      'name' => array(
        'type' => 'varchar',
        'length' => '32',
        'not null' => TRUE,
        'default' => '',
      ),
      'type' => array(
        'type' => 'varchar',
        'length' => '32',
        'not null' => FALSE,
        'default' => '')
    ),
    'primary key' => array('name', 'type'),
    'indexes' => array(
      'name' => array('name'),
    ),
  );
  return $schema;
}

/**
 * Implements hook_install().
 */
function flag_lists_install() {
  // Set up our default template.
  db_insert('flag_lists_types')
    ->fields(array(
      'name' => 'fl_template',
    ))
    ->execute();
}

/**
 * Implements hook_uninstall().
 */
function flag_lists_uninstall() {
  // Remove our template flags.
  $query = db_select('flag_lists_types', 'fl');
  $query->leftJoin('flag', 'f', 'fl.name = f.name');
  $query->addField('fl', 'fid', 'fid');
  $query->distinct();
  $fids = $query->execute();

  foreach ($fids as $fid) {
    db_delete('flag')->condition('fid', $fid->fid);
    db_delete('flag_content')->condition('fid', $fid->fid);
    db_delete('flag_types')->condition('fid', $fid->fid);
    db_delete('flag_counts')->condition('fid', $fid->fid);
  }

  db_delete('variable')->condition('name', 'flag_lists%', 'LIKE');
  drupal_set_message(t('Flag lists has been uninstalled.'));
}
