<?php

/**
 * @file
 * Install, update and uninstall functions for the entity_test module.
 */

/**
 * Implements hook_uninstall().
 */
function entity_test_uninstall() {
  // Bypass entity_load() as we cannot use it here.
  $types = db_select('entity_test_type', 'et')
    ->fields('et')
    ->execute()
    ->fetchAllAssoc('name');

  foreach ($types as $name => $type) {
    field_attach_delete_bundle('entity_test', $name);
  }
}

/**
 * Implements hook_schema().
 */
function entity_test_schema() {
  $schema['entity_test'] = array(
    'description' => 'Stores entity_test items.',
    'fields' => array(
      'pid' => array(
        'type' => 'serial',
        'not null' => TRUE,
        'description' => 'Primary Key: Unique entity_test item ID.',
      ),
      'name' => array(
        'description' => 'The name of the entity_test.',
        'type' => 'varchar',
        'length' => 32,
        'not null' => TRUE,
        'default' => '',
      ),
      'uid' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => FALSE,
        'default' => NULL,
        'description' => "The {users}.uid of the associated user.",
      ),
    ),
    'indexes' => array(
      'uid' => array('uid'),
    ),
    'foreign keys' => array(
      'uid' => array(
        'table' => 'users',
        'columns' => array('uid' => 'uid')
      ),
      'name' => array(
        'table' => 'entity_test_types',
        'columns' => array('name' => 'name')
      ),
    ),
    'primary key' => array('pid'),
  );

  $schema['entity_test_type'] = array(
    'description' => 'Stores information about all defined entity_test types.',
    'fields' => array(
      'id' => array(
        'type' => 'serial',
        'not null' => TRUE,
        'description' => 'Primary Key: Unique entity_test type ID.',
      ),
      'name' => array(
        'description' => 'The machine-readable name of this entity_test type.',
        'type' => 'varchar',
        'length' => 32,
        'not null' => TRUE,
      ),
      'label' => array(
        'description' => 'The human-readable name of this entity_test type.',
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
      ),
      'weight' => array(
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
        'size' => 'tiny',
        'description' => 'The weight of this entity_test type in relation to others.',
      ),
      'locked' => array(
        'description' => 'A boolean indicating whether the administrator may delete this type.',
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
        'size' => 'tiny',
      ),
      'data' => array(
        'type' => 'text',
        'not null' => FALSE,
        'size' => 'big',
        'serialize' => TRUE,
        'description' => 'A serialized array of additional data related to this entity_test type.',
        'merge' => TRUE,
      ),
      'status' => array(
        'type' => 'int',
        'not null' => TRUE,
        // Set the default to ENTITY_CUSTOM without using the constant as it is
        // not safe to use it at this point.
        'default' => 0x01,
        'size' => 'tiny',
        'description' => 'The exportable status of the entity.',
      ),
      'module' => array(
        'description' => 'The name of the providing module if the entity has been defined in code.',
        'type' => 'varchar',
        'length' => 255,
        'not null' => FALSE,
      ),
    ),
    'primary key' => array('id'),
    'unique keys' => array(
      'name' => array('name'),
    ),
  );

  // Add schema for the revision-test-entity.
  $schema['entity_test2'] = $schema['entity_test'];
  $schema['entity_test2']['fields']['revision_id'] = array(
    'type' => 'int',
    'unsigned' => TRUE,
    'not null' => FALSE,
    'default' => NULL,
    'description' => 'The ID of the entity\'s default revision.',
  );
  $schema['entity_test2']['fields']['title'] = array(
    'type' => 'varchar',
    'length' => 255,
    'not null' => TRUE,
    'default' => '',
  );

  $schema['entity_test2_revision'] = $schema['entity_test'];
  $schema['entity_test2_revision']['fields']['revision_id'] = array(
    'type' => 'serial',
    'not null' => TRUE,
    'description' => 'Primary Key: Unique revision ID.',
  );
  $schema['entity_test2_revision']['fields']['pid'] = array(
    'type' => 'int',
    'unsigned' => TRUE,
    'not null' => FALSE,
    'default' => NULL,
    'description' => 'The ID of the attached entity.',
  );
  $schema['entity_test2_revision']['fields']['title'] = array(
    'type' => 'varchar',
    'length' => 255,
    'not null' => TRUE,
    'default' => '',
  );
  $schema['entity_test2_revision']['primary key'] = array('revision_id');

  return $schema;
}