drupalchat.install in DrupalChat 8

Installation file for the DrupalChat module.

File

drupalchat.install

<?php

/**
 * @file
 * Installation file for the DrupalChat module.
 */

/**
 * Implements hook_install().
 */
function drupalchat_install() {

  // TODO The drupal_(un)install_schema functions are called automatically in D7.
  $success = array();
  if ($success) {
    drupal_set_message(st('The DrupalChat module installed tables successfully.'));
  }
  else {

    //drupal_set_message(st('The installation of the DrupalChat module failed.'), 'error');
  }
}

/**
 * Implements hook_schema().
 */
function drupalchat_schema() {
  $schema = array();
  $schema['drupalchat_msg'] = array(
    'fields' => array(
      'message_id' => array(
        'type' => 'varchar',
        'length' => 50,
        'not null' => TRUE,
        'description' => 'ID of chat message.',
      ),
      'uid1' => array(
        'description' => 'Uid of the sender.',
        'type' => 'varchar',
        'length' => 32,
        'not null' => TRUE,
      ),
      'uid2' => array(
        'description' => 'Uid of the receiver.',
        'type' => 'varchar',
        'length' => 32,
        'not null' => TRUE,
      ),
      'message' => array(
        'type' => 'text',
        'size' => 'big',
        'not null' => TRUE,
        'description' => 'Chat message.',
      ),
      'timestamp' => array(
        'description' => 'The Unix timestamp when the XMPP account was created.',
        'type' => 'int',
        'not null' => TRUE,
        'unsigned' => TRUE,
      ),
    ),
    'indexes' => array(
      'uid1' => array(
        'uid1',
      ),
      'uid2' => array(
        'uid2',
      ),
    ),
  );
  $schema['drupalchat_users'] = array(
    'fields' => array(
      'uid' => array(
        'description' => 'The user uid.',
        'type' => 'int',
        'not null' => TRUE,
        'unsigned' => TRUE,
      ),
      'session' => array(
        'description' => 'Current session id.',
        'type' => 'varchar',
        'length' => 60,
        'not null' => TRUE,
      ),
      'name' => array(
        'description' => 'Name of the user.',
        'type' => 'varchar',
        'length' => 60,
        'not null' => TRUE,
      ),
      'status' => array(
        'description' => 'Unix timestamp of last activity.',
        'type' => 'int',
        'not null' => TRUE,
        'unsigned' => TRUE,
        'default' => 0,
        'size' => 'tiny',
      ),
      'timestamp' => array(
        'description' => 'Unix timestamp of last activity.',
        'type' => 'int',
        'not null' => TRUE,
        'unsigned' => TRUE,
      ),
    ),
    'primary key' => array(
      'uid',
      'session',
    ),
    'indexes' => array(
      'uid' => array(
        'uid',
      ),
      'session' => array(
        'session',
      ),
      'timestamp' => array(
        'timestamp',
      ),
    ),
  );
  return $schema;
}
function drupalchat_update_8000() {
  db_drop_index('drupalchat_msg', 'uid1');
  db_drop_index('drupalchat_msg', 'uid2');
  db_drop_primary_key('drupalchat_users');
  db_change_field('drupalchat_msg', 'uid1', 'uid1', array(
    'description' => 'Uid of the sender.',
    'type' => 'varchar',
    'length' => 32,
    'not null' => TRUE,
  ));
  db_change_field('drupalchat_msg', 'uid2', 'uid2', array(
    'description' => 'Uid of the receiver.',
    'type' => 'varchar',
    'length' => 32,
    'not null' => TRUE,
  ));
  if (!db_index_exists('drupalchat_msg', 'uid1')) {
    db_add_index('drupalchat_msg', 'uid1', array(
      'uid1',
    ));
  }
  if (!db_index_exists('drupalchat_msg', 'uid2')) {
    db_add_index('drupalchat_msg', 'uid2', array(
      'uid2',
    ));
  }
  if (!db_index_exists('drupalchat_users', 'uid')) {
    db_add_index('drupalchat_users', 'uid', array(
      'uid',
    ));
  }
  if (!db_index_exists('drupalchat_users', 'session')) {
    db_add_index('drupalchat_users', 'session', array(
      'session',
    ));
  }
}
function drupalchat_update_8001() {
  if (!db_field_exists('drupalchat_msg', 'message_id')) {
    db_add_field('drupalchat_msg', 'message_id', array(
      'type' => 'varchar',
      'length' => 50,
      'not null' => TRUE,
      'description' => 'ID of chat message.',
    ));
  }
}

Functions

Name	Description
drupalchat_install	Implements hook_install().
drupalchat_schema	Implements hook_schema().
drupalchat_update_8000
drupalchat_update_8001