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Drupal example source code file (uc_roles.install)

This example Drupal source code file (uc_roles.install) is included in the DevDaily.com "Drupal Source Code Warehouse" project. The intent of this project is to help you "Learn Drupal by Example".

PHP - Drupal tags/keywords

array, database, default, description, int, not, null, ret, sql, the, time, true, type

The uc_roles.install Drupal example source code

<?php
// $Id: uc_roles.install,v 1.2.2.15 2010/07/12 01:28:44 tr Exp $

/**
 * @file
 * uc_roles module install file.
 */

/**
 * Implemenation of hook_schema().
 */
function uc_roles_schema() {
  $schema['uc_roles_products'] = array(
    'description' => 'Maps puchasable roles to Ubercart products.',
    'fields' => array(
      'rpid' => array(
        'description' => 'Primary key: the role-product id.',
        'type' => 'serial',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'pfid' => array(
        'description' => 'The {uc_product_features}.pfid of the product feature this is attached to.',
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
      'nid' => array(
        'description' => 'The {node}.nid of the node this role feature is attached to.',
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
      'model' => array(
        'description' => 'The product model.',
        'type' => 'varchar',
        'length' => 255,
        'default' => NULL,
      ),
      'rid' => array(
        'description' => 'The {role}.rid that is purchased with the attached product.',
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),

      // Start of expiration period
      // Not actually implemented yet, this is a placeholder.
      'start_override' => array(
        'description' => 'Override the store default start time? 1 => Yes. 0 => No.',
        'type' => 'int',
        'size' => 'tiny',
        'not null' => FALSE,
        'default' => 0,
      ),
      'start_time' => array(
        'description' => 'Role expiration start time. 0 signifies to start at product purchase.',
        'type' => 'int',
        'not null' => FALSE,
        'default' => 0,
      ),

      // End of expiration period
      'end_override' => array(
        'description' => 'Override the default end time? 1 => Yes. 0 => No.',
        'type' => 'int',
        'size' => 'tiny',
        'not null' => FALSE,
        'default' => 0,
      ),
      'end_time' => array(
        'description' => 'Role expiration end time. 0 signifies to use a relative expiration.',
        'type' => 'int',
        'not null' => FALSE,
        'default' => 0,
      ),
      'duration' => array(
        'description' => 'The duration of the granted role, using the value of granualarity.',
        'type' => 'int',
        'size' => 'small',
      ),
      'granularity' => array(
        'description' => 'The units of time of duration.',
        'type' => 'varchar',
        'length' => 32,
      ),
      'shippable' => array(
        'description' => 'Is this role feature shippable? 1 => Yes. 0 => No.',
        'type' => 'int',
        'size' => 'tiny',
        'not null' => TRUE,
        'default' => 0,
      ),
      'by_quantity' => array(
        'description' => 'Multiply any relative expiration by the quantity purchased? 1 => Yes. 0 => No.',
        'type' => 'int',
        'size' => 'tiny',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
    ),
    'indexes' => array(
      'nid' => array('nid'),
      'model' => array('model'),
      'rid' => array('rid'),
    ),
    'primary key' => array('rpid'),
  );

  $schema['uc_roles_expirations'] = array(
    'description' => 'Store expiration dates of purchased roles.',
    'fields' => array(
      'reid' => array(
        'description' => 'Primary key: the unique expiration id.',
        'type' => 'serial',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'uid' => array(
        'description' => 'The {users}.uid owning the role.',
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
      'rid' => array(
        'description' => 'The {role}.rid of the purchased role.',
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
      'expiration' => array(
        'description' => 'The Unix timestamp indicating when the role will be removed from the user account.',
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
      ),
      'notified' => array(
        'description' => 'A flag indicating that the user was warned that the role will be removed soon.',
        'type' => 'int',
        'size' => 'tiny',
      ),
    ),
    'indexes' => array(
      'uid' => array('uid'),
      'rid' => array('rid'),
    ),
    'primary key' => array('reid'),
  );

  return $schema;
}

/**
 * Implementation of hook_install().
 */
function uc_roles_install() {
  drupal_install_schema('uc_roles');
}

/**
 * Implementation of hook_uninstall().
 */
function uc_roles_uninstall() {
  drupal_uninstall_schema('uc_roles');
  db_query("DELETE FROM {uc_product_features} WHERE fid = 'role'");
  db_query("DELETE FROM {variable} WHERE name LIKE 'uc_roles_%%'");
}

function uc_roles_update_6000() {
  $ret = array();

  db_drop_index($ret, 'uc_roles_products', 'pfid');
  db_drop_index($ret, 'uc_roles_products', 'nid');
  db_drop_index($ret, 'uc_roles_products', 'rid');
  db_change_field($ret, 'uc_roles_products', 'pfid', 'pfid', array('type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0), array('indexes' => array('pfid' => array('pfid'))));
  db_change_field($ret, 'uc_roles_products', 'nid', 'nid', array('type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0), array('indexes' => array('nid' => array('nid'))));
  db_change_field($ret, 'uc_roles_products', 'rid', 'rid', array('type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0), array('indexes' => array('rid' => array('rid'))));

  db_drop_index($ret, 'uc_roles_expirations', 'uid');
  db_drop_index($ret, 'uc_roles_expirations', 'rid');
  db_change_field($ret, 'uc_roles_expirations', 'uid', 'uid', array('type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0), array('indexes' => array('uid' => array('uid'))));
  db_change_field($ret, 'uc_roles_expirations', 'rid', 'rid', array('type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0), array('indexes' => array('rid' => array('rid'))));

  return $ret;
}

function uc_roles_update_6001() {
  $ret = array();

  db_drop_index($ret, 'uc_roles_products', 'pfid');
  db_add_primary_key($ret, 'uc_roles_products', array('pfid'));

  return $ret;
}

function uc_roles_update_6002() {
  $ret = array();

  $schema = array(
    'reid' => array(
      'type' => 'serial',
      'unsigned' => TRUE,
      'not null' => TRUE,
    ),
    'rpid' => array(
      'type' => 'serial',
      'unsigned' => TRUE,
      'not null' => TRUE,
    ),
  );
  db_drop_primary_key($ret, 'uc_roles_products');

  db_add_field($ret, 'uc_roles_products', 'rpid', $schema['rpid'], array('primary key' => array('rpid')));
  db_add_field($ret, 'uc_roles_expirations', 'reid'  , $schema['reid'], array('primary key' => array('reid')));

  return $ret;
}

/**
 * Add the stuff to allow absolute ending expiration times.
 * The code has also been laid here for absolute start times,
 * but has not been fully implemented as yet.
 */
function uc_roles_update_6003() {
  $ret = array();

  $schema = array(
    // Start of expiation period
    'start_override' => array(
      'description' => 'Fallthrough to the default start time?',
      'type' => 'int',
      'size' => 'tiny',
      'not null' => FALSE,
      'default' => 0,
    ),
    'start_time' => array(
      'description' => 'Role expiration start time. 0 signifies to start at product purchase.',
      'type' => 'int',
      'not null' => FALSE,
      'default' => 0,
    ),

    // End of expiation period
    'end_override' => array(
      'description' => 'Fallthrough to the default end time?',
      'type' => 'int',
      'size' => 'tiny',
      'not null' => FALSE,
      'default' => 0,
    ),
    'end_time' => array(
      'description' => 'Role expiration end time. 0 signifies to use relative expiration.',
      'type' => 'int',
      'not null' => FALSE,
      'default' => 0,
    ),
  );

  db_add_field($ret, 'uc_roles_products', 'start_time', $schema['start_time']);
  db_add_field($ret, 'uc_roles_products', 'start_override', $schema['start_override']);

  db_add_field($ret, 'uc_roles_products', 'end_time'  , $schema['end_time']);
  db_add_field($ret, 'uc_roles_products', 'end_override', $schema['end_override']);

  return $ret;
}

/**
 * Fix an oversight; when upgrading from an older version, we must default any expiration
 * to overridge the global setting... past versions had no override, so it was implicit.
 * Now it needs to be explicit.
 */
function uc_roles_update_6004() {
  $ret = array();

  db_query("UPDATE {uc_roles_products} SET start_override = 1, end_override = 1 WHERE 1 = 1");

  return $ret;
}

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