<?php

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

/**
 * Implements hook_schema().
 */
function user_schema() {
  $schema['authmap'] = array(
    'description' => 'Stores distributed authentication mapping.',
    'fields' => array(
      'aid' => array(
        'description' => 'Primary Key: Unique authmap ID.',
        'type' => 'serial',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'uid' => array(
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
        'description' => "User's {users}.uid.",
      ),
      'authname' => array(
        'type' => 'varchar',
        'length' => 128,
        'not null' => TRUE,
        'default' => '',
        'description' => 'Unique authentication name.',
      ),
      'module' => array(
        'type' => 'varchar',
        'length' => 128,
        'not null' => TRUE,
        'default' => '',
        'description' => 'Module which is controlling the authentication.',
      ),
    ),
    'unique keys' => array(
      'authname' => array('authname'),
    ),
    'primary key' => array('aid'),
    'foreign keys' => array(
      'user' => array(
        'table' => 'users',
        'columns' => array('uid' => 'uid'),
      ),
    ),
  );

  $schema['role_permission'] = array(
    'description' => 'Stores the permissions assigned to user roles.',
    'fields' => array(
      'rid' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'description' => 'Foreign Key: {role}.rid.',
      ),
      'permission' => array(
        'type' => 'varchar',
        'length' => 128,
        'not null' => TRUE,
        'default' => '',
        'description' => 'A single permission granted to the role identified by rid.',
      ),
      'module' => array(
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
        'description' => "The module declaring the permission.",
      ),
    ),
    'primary key' => array('rid', 'permission'),
    'indexes' => array(
      'permission' => array('permission'),
    ),
    'foreign keys' => array(
      'role' => array(
        'table' => 'roles',
        'columns' => array('rid' => 'rid'),
      ),
    ),
  );

  $schema['role'] = array(
    'description' => 'Stores user roles.',
    'fields' => array(
      'rid' => array(
        'type' => 'serial',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'description' => 'Primary Key: Unique role ID.',
      ),
      'name' => array(
        'type' => 'varchar',
        'length' => 64,
        'not null' => TRUE,
        'default' => '',
        'description' => 'Unique role name.',
        'translatable' => TRUE,
      ),
      'weight' => array(
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
        'description' => 'The weight of this role in listings and the user interface.',
      ),
    ),
    'unique keys' => array(
      'name' => array('name'),
    ),
    'primary key' => array('rid'),
    'indexes' => array(
      'name_weight' => array('name', 'weight'),
    ),
  );

  $schema['users'] = array(
    'description' => 'Stores user data.',
    'fields' => array(
      'uid' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'description' => 'Primary Key: Unique user ID.',
        'default' => 0,
      ),
      'name' => array(
        'type' => 'varchar',
        'length' => 60,
        'not null' => TRUE,
        'default' => '',
        'description' => 'Unique user name.',
      ),
      'pass' => array(
        'type' => 'varchar',
        'length' => 128,
        'not null' => TRUE,
        'default' => '',
        'description' => "User's password (hashed).",
      ),
      'mail' => array(
        'type' => 'varchar',
        'length' => 254,
        'not null' => FALSE,
        'default' => '',
        'description' => "User's e-mail address.",
      ),
      'theme' => array(
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
        'description' => "User's default theme.",
      ),
      'signature' => array(
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
        'description' => "User's signature.",
      ),
      'signature_format' => array(
        'type' => 'varchar',
        'length' => 255,
        'not null' => FALSE,
        'description' => 'The {filter_format}.format of the signature.',
      ),
      'created' => array(
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
        'description' => 'Timestamp for when user was created.',
      ),
      'access' => array(
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
        'description' => 'Timestamp for previous time user accessed the site.',
      ),
      'login' => array(
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
        'description' => "Timestamp for user's last login.",
      ),
      'status' => array(
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
        'size' => 'tiny',
        'description' => 'Whether the user is active(1) or blocked(0).',
      ),
      'timezone' => array(
        'type' => 'varchar',
        'length' => 32,
        'not null' => FALSE,
        'description' => "User's time zone.",
      ),
      'language' => array(
        'type' => 'varchar',
        'length' => 12,
        'not null' => TRUE,
        'default' => '',
        'description' => "User's default language.",
      ),
      'picture' => array(
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
        'description' => "Foreign key: {file_managed}.fid of user's picture.",
      ),
      'init' => array(
        'type' => 'varchar',
        'length' => 254,
        'not null' => FALSE,
        'default' => '',
        'description' => 'E-mail address used for initial account creation.',
      ),
      'data' => array(
        'type' => 'blob',
        'not null' => FALSE,
        'size' => 'big',
        'serialize' => TRUE,
        'description' => 'A serialized array of name value pairs that are related to the user. Any form values posted during user edit are stored and are loaded into the $user object during user_load(). Use of this field is discouraged and it will likely disappear in a future version of Drupal.',
      ),
    ),
    'indexes' => array(
      'access' => array('access'),
      'created' => array('created'),
      'mail' => array('mail'),
    ),
    'unique keys' => array(
      'name' => array('name'),
    ),
    'primary key' => array('uid'),
    'foreign keys' => array(
      'signature_format' => array(
        'table' => 'filter_format',
        'columns' => array('signature_format' => 'format'),
      ),
    ),
  );

  $schema['users_roles'] = array(
    'description' => 'Maps users to roles.',
    'fields' => array(
      'uid' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
        'description' => 'Primary Key: {users}.uid for user.',
      ),
      'rid' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
        'description' => 'Primary Key: {role}.rid for role.',
      ),
    ),
    'primary key' => array('uid', 'rid'),
    'indexes' => array(
      'rid' => array('rid'),
    ),
    'foreign keys' => array(
      'user' => array(
        'table' => 'users',
        'columns' => array('uid' => 'uid'),
      ),
      'role' => array(
        'table' => 'roles',
        'columns' => array('rid' => 'rid'),
      ),
    ),
  );

  return $schema;
}

/**
 * Implements hook_install().
 */
function user_install() {
  // Insert a row for the anonymous user.
  db_insert('users')
    ->fields(array(
      'uid' => 0,
      'name' => '',
      'mail' => '',
    ))
    ->execute();

  // We need some placeholders here as name and mail are uniques and data is
  // presumed to be a serialized array. This will be changed by the settings
  // form in the installer.
  db_insert('users')
    ->fields(array(
      'uid' => 1,
      'name' => 'placeholder-for-uid-1',
      'mail' => 'placeholder-for-uid-1',
      'created' => REQUEST_TIME,
      'status' => 1,
      'data' => NULL,
    ))
    ->execute();

  // Built-in roles.
  $rid_anonymous = db_insert('role')
    ->fields(array('name' => 'anonymous user', 'weight' => 0))
    ->execute();
  $rid_authenticated = db_insert('role')
    ->fields(array('name' => 'authenticated user', 'weight' => 1))
    ->execute();

  // Sanity check to ensure the anonymous and authenticated role IDs are the
  // same as the drupal defined constants. In certain situations, this will
  // not be true.
  if ($rid_anonymous != DRUPAL_ANONYMOUS_RID) {
    db_update('role')
      ->fields(array('rid' => DRUPAL_ANONYMOUS_RID))
      ->condition('rid', $rid_anonymous)
      ->execute();
  }
  if ($rid_authenticated != DRUPAL_AUTHENTICATED_RID) {
    db_update('role')
      ->fields(array('rid' => DRUPAL_AUTHENTICATED_RID))
      ->condition('rid', $rid_authenticated)
      ->execute();
  }
}