signup.install in Signup 6

File

signup.install

<?php

/**
 * Implementation of hook_schema().
 */
function signup_schema() {
  $schema['signup'] = array(
    'description' => t('Signup module per-node settings.'),
    'fields' => array(
      'nid' => array(
        'description' => t('Primary key: node ID'),
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
      'forwarding_email' => array(
        'description' => t('Email address to send signup notifications to.'),
        'type' => 'varchar',
        'length' => 64,
        'not null' => TRUE,
        'default' => '',
      ),
      'send_confirmation' => array(
        'description' => t('Boolean indicating whether confirmation emails should be sent.'),
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
      ),
      'confirmation_email' => array(
        'description' => t('Email template to send to users when they signup.'),
        'type' => 'text',
        'size' => 'big',
        'not null' => TRUE,
      ),
      'send_reminder' => array(
        'description' => t('Boolean indicating whether reminder emails should be sent. This is set to 0 once the reminders are sent.'),
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
      ),
      'reminder_days_before' => array(
        'description' => t('Number of days before the start of a time-based node when the reminder emails should be sent.'),
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
      'reminder_email' => array(
        'description' => t('Email template to send to users to remind them about a signup.'),
        'type' => 'text',
        'size' => 'big',
        'not null' => TRUE,
      ),
      'close_in_advance_time' => array(
        'description' => t('Number of hours before the start of a time-based node when signups should automatically be closed. This column is not currently used and the behavior is controlled by a site-wide setting.  See http://drupal.org/node/290249 for more information.'),
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
      'close_signup_limit' => array(
        'description' => t('Maximum number of users who can signup before signups are closed. If set to 0, there is no limit.'),
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
      'status' => array(
        'description' => t('Boolean indicating if signups are open (1) or closed (0) for the given node'),
        'type' => 'int',
        'not null' => TRUE,
        'default' => 1,
      ),
      'user_reg_form' => array(
        'description' => t('Boolean indicating if users can sign up for this event from the user registration form.'),
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
      ),
    ),
    'primary key' => array(
      'nid',
    ),
  );
  $schema['signup_log'] = array(
    'description' => t('Records information for each user who signs up for a node.'),
    'fields' => array(
      'sid' => array(
        'description' => t('Primary key: signup ID'),
        'type' => 'serial',
        'size' => 'normal',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'uid' => array(
        'description' => t('Key: the user ID of the user who signed up.'),
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
      'nid' => array(
        'description' => t('Key: the node ID of the node the user signed up for.'),
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
      'anon_mail' => array(
        'description' => t('The email address for an anonymous user who signed up, or an empty string for authenticated users.'),
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
      ),
      'signup_time' => array(
        'description' => t('Integer timestamp of when the user signed up for the node.'),
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
      'form_data' => array(
        'description' => t('Serialized string of additional signup form values.  See theme_signup_user_form() from theme/signup.theme for more information.'),
        'type' => 'text',
        'size' => 'big',
        'not null' => TRUE,
      ),
      'attended' => array(
        'description' => t('Did this user actually attend the node they signed up for?'),
        'type' => 'int',
        'size' => 'tiny',
      ),
      'count_towards_limit' => array(
        'description' => t('How many slots (if any) this signup should use towards the total signup limit for this node'),
        'type' => 'int',
        'not null' => TRUE,
        'default' => 1,
      ),
    ),
    'primary key' => array(
      'sid',
    ),
    'indexes' => array(
      'uid' => array(
        'uid',
      ),
      'nid' => array(
        'nid',
      ),
    ),
  );
  return $schema;
}

/**
 * Implementation of hook_install().
 *
 * This will automatically install the database tables for the Signup
 * module for both the MySQL and PostgreSQL databases.
 *
 * If you are using another database, you will have to install the
 * tables by hand, using the queries below as a reference.
 *
 * Note that the curly braces around table names are a drupal-specific
 * feature to allow for automatic database table prefixing, and will
 * need to be removed.
 */
function signup_install() {

  // Create tables.
  drupal_install_schema('signup');
  signup_insert_default_signup_info();
}
function signup_uninstall() {

  // Remove tables.
  drupal_uninstall_schema('signup');
  $variables = db_query("SELECT name FROM {variable} WHERE name LIKE 'signup%%'");
  while ($variable = db_fetch_object($variables)) {
    variable_del($variable->name);
  }
}

/**
 * Helper method to insert the default signup information into the
 * {signup} table (stored in a row for nid 0).  These are the default
 * settings for new signup-enabled nodes.
 */
function signup_insert_default_signup_info() {
  return db_query("INSERT INTO {signup} (nid, forwarding_email,\n    send_confirmation, confirmation_email,\n    send_reminder, reminder_days_before, reminder_email,\n    close_in_advance_time, close_signup_limit, status, user_reg_form) VALUES (0, '',\n    1, 'Enter your default confirmation email message here',\n    1, 1, 'Enter your default reminder email message here',\n    0, 0, 1, 0)");
}
function signup_update_3() {
  $ret = array();
  switch ($GLOBALS['db_type']) {
    case 'mysql':
    case 'mysqli':
      $ret[] = update_sql("ALTER TABLE {signup_log} ADD anon_mail VARCHAR( 255 ) NOT NULL default '' AFTER nid;");
      $ret[] = update_sql("ALTER TABLE {signup_log} DROP INDEX uid_nid;");
      $ret[] = update_sql("ALTER TABLE {signup_log} ADD INDEX (uid);");
      $ret[] = update_sql("ALTER TABLE {signup_log} ADD INDEX (nid);");
      break;
    case 'pgsql':
      db_add_column($ret, 'signup_log', 'anon_mail', 'text', array(
        'not null' => TRUE,
        'default' => "''",
      ));
      $ret[] = update_sql("DROP INDEX {signup_log}_uid_nid_idx;");
      $ret[] = update_sql("CREATE INDEX {signup_log}_uid_idx ON {signup_log}(uid);");
      $ret[] = update_sql("CREATE INDEX {signup_log}_nid_idx ON {signup_log}(nid);");
      break;
  }
  return $ret;
}

/**
 * Rename the signup permissions.
 * See http://drupal.org/node/69283 for details.
 * Also, remove the 'signup_user_view' setting in favor of a permission.
 * See http://drupal.org/node/69367 for details.
 */
function signup_update_4() {
  $ret = array();

  // Setup arrays holding regexps to match and the corresponding
  // strings to replace them with, for use with preg_replace().
  $old_perms = array(
    '/allow signups/',
    '/admin signups/',
    '/admin own signups/',
  );
  $new_perms = array(
    'sign up for content',
    'administer all signups',
    'administer signups for own content',
  );

  // Now, loop over all the roles, and do the necessary transformations.
  $query = db_query("SELECT rid, perm FROM {permission} ORDER BY rid");
  while ($role = db_fetch_object($query)) {
    $fixed_perm = preg_replace($old_perms, $new_perms, $role->perm);
    if ($role->rid == 2 && variable_get('signup_user_view', 0)) {

      // The setting is currently enabled, so add the new permission to
      // the "authenticated user" role as a reasonable default.
      if (!strpos($fixed_perm, 'view all signups')) {
        $fixed_perm .= ', view all signups';
        drupal_set_message(t('The old %signup_user_view setting was enabled on your site, so the %view_all_signups permission has been added to the %authenticated_user role. Please consider customizing what roles have this permission on the !access_control page.', array(
          '%signup_user_view' => t('Users can view signups'),
          '%view_all_signups' => 'view all signups',
          '%authenticated_user' => 'Authenticated user',
          '!access_control' => l(t('Access control'), '/admin/user/access'),
        )));
      }
    }
    $ret[] = update_sql("UPDATE {permission} SET perm = '{$fixed_perm}' WHERE rid = {$role->rid}");
  }

  // Remove the stale setting from the {variable} table in the DB.
  variable_del('signup_user_view');
  drupal_set_message(t('The %signup_user_view setting has been removed.', array(
    '%signup_user_view' => t('Users can view signups'),
  )));
  return $ret;
}

/**
 * Convert the misnamed "completed" column to "status" (and swap all
 * the values: 0 == closed, 1 == open).
 */
function signup_update_5200() {
  $ret = array();
  switch ($GLOBALS['db_type']) {
    case 'mysql':
    case 'mysqli':
      $ret[] = update_sql("ALTER TABLE {signup} ADD status int NOT NULL default '1'");
      break;
    case 'pgsql':
      db_add_column($ret, 'signup', 'status', 'integer', array(
        'not null' => TRUE,
        'default' => "'1'",
      ));
      break;
  }
  $ret[] = update_sql("UPDATE {signup} SET status = (1 - completed)");
  $ret[] = update_sql("ALTER TABLE {signup} DROP completed");
  return $ret;
}

/**
 * Add the close_signup_limit field to the {signup} table to allow
 * signup limits for sites that upgraded from 4.6.x.  The original
 * signup.install for 4.7.x accidentally included this column in the
 * DB, but it's never been used in the code until now.  However, sites
 * that upgraded from 4.6.x need this column for the module to work,
 * so just to be safe, we also add that here.
 */
function signup_update_5201() {
  $ret = array();
  switch ($GLOBALS['db_type']) {
    case 'mysql':
    case 'mysqli':
      if (!db_column_exists('signup', 'close_signup_limit')) {
        $ret[] = update_sql("ALTER TABLE {signup} ADD close_signup_limit int(10) unsigned NOT NULL default '0'");
      }
      break;
    case 'pgsql':
      if (!db_column_exists('signup', 'close_signup_limit')) {
        db_add_column($ret, 'signup', 'close_signup_limit', 'integer', array(
          'not null' => TRUE,
          'default' => "'0'",
        ));
      }
      break;
  }
  return $ret;
}

/**
 * Add "cancel own signups" permission to all roles that have "sign up
 * for content" permission.
 */
function signup_update_5202() {
  $ret = array();
  switch ($GLOBALS['db_type']) {
    case 'mysql':
    case 'mysqli':
      $ret[] = update_sql("UPDATE {permission} SET perm = CONCAT(perm, ', cancel own signups') WHERE CONCAT(perm, ', ') LIKE '%%sign up for content, %%'");
      break;
    case 'pgsql':
      $ret[] = update_sql("UPDATE {permission} SET perm = perm || ', cancel own signups' WHERE perm || ', ' LIKE '%%sign up for content, %%'");
      break;
  }
  drupal_set_message(t("Added the 'cancel own signups' permission to all roles that have the 'sign up for content' permission.") . '<br />' . t('If you do not want your users to cancel their own signups, go to the <a href="@access_url">Access control</a> page and unset this permission.', array(
    '@access_url' => url('/admin/user/access'),
  )));
  return $ret;
}

/**
 * Migrate signup settings per content type so that signups can be disabled
 * completely for a content type.
 */
function signup_update_5203() {
  $old_prefix = 'signup_form_';
  $result = db_query("SELECT name FROM {variable} WHERE name LIKE '{$old_prefix}%%'");
  while ($row = db_fetch_object($result)) {
    $old_name = $row->name;
    $new_name = 'signup_node_default_state_' . substr($old_name, strlen($old_prefix));
    $new_value = variable_get($old_name, 0) == 1 ? 'enabled_on' : 'disabled';
    variable_del($old_name);
    variable_set($new_name, $new_value);
  }
  drupal_set_message(t('Migrated signup settings per content type.'));
  return array();
}

/**
 * Rename all the tokens in existing email templates and the global settings.
 */
function signup_update_5204() {
  $ret = array();

  // Multi-part update.
  if (!isset($_SESSION['signup_update_5204'])) {

    // We need to start at nid 0 for the site-wide defaults, so
    // initialize our variable to the value below that.
    $_SESSION['signup_update_5204'] = -1;
    $_SESSION['signup_update_5204_max'] = db_result(db_query("SELECT MAX(nid) FROM {signup}"));
  }

  // Array of replacements mapping old names to the new names.
  // NOTE: To avoid trouble with db_query() trying to interpret the
  // '%', we escape all of them as '%%' to get % literals.
  $replacements = array(
    '%%eventurl' => '%%node_url',
    '%%event' => '%%node_title',
    '%%time' => '%%node_start_time',
    '%%username' => '%%user_name',
    '%%useremail' => '%%user_mail',
    '%%info' => '%%user_signup_info',
  );

  // Build up a nested REPLACE() fragment to have the DB do all the string
  // conversions for us in a single query, instead of pulling the records out
  // of the DB, doing the string manipulation in PHP, and writing back the
  // values in a bunch of separate queries.  According to the docs, REPLACE()
  // works the same way on both MySQL and PgSQL.
  $reminder_replace = 'reminder_email';
  $confirmation_replace = 'confirmation_email';
  foreach ($replacements as $from => $to) {
    $reminder_replace = "REPLACE({$reminder_replace}, '{$from}', '{$to}')";
    $confirmation_replace = "REPLACE({$confirmation_replace}, '{$from}', '{$to}')";
  }

  // Do the next batch of the deed.
  // Find the next N records to update, or do the final batch.
  $next = min($_SESSION['signup_update_5204'] + 2000, $_SESSION['signup_update_5204_max']);

  // Perform the UPDATE in our specified range of nid values.
  db_query("UPDATE {signup} SET reminder_email = {$reminder_replace}, confirmation_email = {$confirmation_replace} WHERE nid > %d AND nid <= %d", $_SESSION['signup_update_5204'], $next);

  // Remember where we left off.
  $_SESSION['signup_update_5204'] = $next;
  if ($_SESSION['signup_update_5204'] == $_SESSION['signup_update_5204_max']) {

    // We're done, clear these out.
    unset($_SESSION['signup_update_5204']);
    unset($_SESSION['signup_update_5204_max']);

    // Provide a human-readable explaination of what we did.
    $tokens = array(
      '%event' => '%event',
      '%eventurl' => '%eventurl',
      '%time' => '%time',
      '%username' => '%username',
      '%useremail' => '%useremail',
      '%info' => '%info',
      '%node_title' => '%node_title',
      '%node_url' => '%node_url',
      '%node_start_time' => '%node_start_time',
      '%user_name' => '%user_name',
      '%user_mail' => '%user_mail',
      '%user_signup_info' => '%user_signup_info',
    );
    $ret[] = array(
      'success' => TRUE,
      'query' => t('Replaced %event, %eventurl, %time, %username, %useremail, and %info tokens with %node_title, %node_url, %node_start_time, %user_name, %user_mail, and %user_signup_info in the reminder and confirmation email templates.', $tokens),
    );
  }
  else {

    // Report how much is left to complete.
    $ret['#finished'] = $_SESSION['signup_update_5204'] / $_SESSION['signup_update_5204_max'];
  }
  return $ret;
}

/**
 * Migrate signup user list view display type to the new variable.
 */
function signup_update_6000() {
  $ret = array();
  variable_del('signup_user_list_view_name');
  variable_del('signup_user_list_view_type');
  $ret[] = array(
    'success' => TRUE,
    'query' => t('Removed the deprecated %old_view_name and %old_view_type variables. If you were using embedding a view on signup-enabled nodes, please visit the <a href="@signup_settings_url">Signup configuration page</a> and select a new value for the %setting_name setting (which is located under the Advanced settings).', array(
      '%old_view_name' => 'signup_user_list_view_name',
      '%old_view_type' => 'signup_user_list_view_type',
      // NOTE: we can't use url() here because it would use 'update.php?q=...'
      '@signup_settings_url' => base_path() . '?q=admin/settings/signup',
      '%setting_name' => t('View to embed for the signup user list'),
    )),
  );
  return $ret;
}

/**
 * Add unique id column to signup_log as the primary key.
 *
 * http://drupal.org/node/341382 for more infomation.
 */
function signup_update_6001() {
  $ret = array();
  $field = array(
    'type' => 'serial',
    'size' => 'normal',
    'unsigned' => TRUE,
    'not null' => TRUE,
  );
  db_add_field($ret, 'signup_log', 'sid', $field, array(
    'primary key' => array(
      'sid',
    ),
  ));
  return $ret;
}

/**
 * Add an 'attended' field to the {signup_log} table.
 *
 * http://drupal.org/node/55168 for more infomation.
 */
function signup_update_6002() {
  $ret = array();
  $field = array(
    'type' => 'int',
    'size' => 'tiny',
  );
  db_add_field($ret, 'signup_log', 'attended', $field);
  return $ret;
}

/**
 * Add the 'count_towards_limit' field to the {signup_log} table.
 *
 * http://drupal.org/node/581652 for more infomation.
 */
function signup_update_6003() {
  $ret = array();
  $field = array(
    'type' => 'int',
    'not null' => TRUE,
    'default' => 1,
  );
  db_add_field($ret, 'signup_log', 'count_towards_limit', $field);
  return $ret;
}

/**
 * Make views a required dependency.
 */
function signup_update_6004() {
  $ret = array();
  $user_list = variable_get('signup_display_signup_user_list', '');
  if (!empty($user_list)) {
    switch ($user_list) {
      case 'signup':
        variable_set('signup_display_signup_user_list', 'embed-view');
        break;
      case 'signup-tab':
        variable_set('signup_display_signup_user_list', 'embed-view-tab');
        break;
    }
  }
  $admin_list = variable_get('signup_display_signup_admin_list', '');
  if (!empty($admin_list) && $admin_list == 'signup') {
    variable_set('signup_display_signup_admin_list', 'embed-view');
  }
  return $ret;
}

/*
 * Add the 'user_reg_form' field to the {signup} table.
 * See http://drupal.org/node/856604 for more information.
 */
function signup_update_6005() {
  $ret = array();
  $field = array(
    'type' => 'int',
    'not null' => TRUE,
    'default' => 0,
  );
  db_add_field($ret, 'signup', 'user_reg_form', $field);
  return $ret;
}

Functions

Name	Description
signup_insert_default_signup_info	Helper method to insert the default signup information into the {signup} table (stored in a row for nid 0). These are the default settings for new signup-enabled nodes.
signup_install	Implementation of hook_install().
signup_schema	Implementation of hook_schema().
signup_uninstall
signup_update_3
signup_update_4	Rename the signup permissions. See http://drupal.org/node/69283 for details. Also, remove the 'signup_user_view' setting in favor of a permission. See http://drupal.org/node/69367 for details.
signup_update_5200	Convert the misnamed "completed" column to "status" (and swap all the values: 0 == closed, 1 == open).
signup_update_5201	Add the close_signup_limit field to the {signup} table to allow signup limits for sites that upgraded from 4.6.x. The original signup.install for 4.7.x accidentally included this column in the DB, but it's never been used in the code until now. …
signup_update_5202	Add "cancel own signups" permission to all roles that have "sign up for content" permission.
signup_update_5203	Migrate signup settings per content type so that signups can be disabled completely for a content type.
signup_update_5204	Rename all the tokens in existing email templates and the global settings.
signup_update_6000	Migrate signup user list view display type to the new variable.
signup_update_6001	Add unique id column to signup_log as the primary key.
signup_update_6002	Add an 'attended' field to the {signup_log} table.
signup_update_6003	Add the 'count_towards_limit' field to the {signup_log} table.
signup_update_6004	Make views a required dependency.
signup_update_6005