<?php

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

/**
 * Implementation of hook_install().
 */
function webfm_install() {
  drupal_install_schema('webfm');
}

/**
 * Implementation of hook_uninstall().
 */
function webfm_uninstall() {
  drupal_uninstall_schema('webfm');
  variable_del('webfm_root_dir');
  variable_del('webfm_ftp_enable');
  variable_del('webfm_ftp_root_dir');
  variable_del('webfm_icon_dir');
  variable_del('webfm_attach_body');
  variable_del('webfm_attach_desc');
  variable_del('webfm_attach_date');
  variable_del('webfm_attach_size');
  variable_del('webfm_debug');
  variable_del('webfm_display_title');
  variable_del('webfm_display_date');
  variable_del('webfm_display_size');
  variable_del('webfm_display_owner');
  variable_del('webfm_cron');
  variable_del('webfm_max_resolution');
  variable_del('webfm_ie_dd_list_offset');
  variable_del('webfm_ie_dd_tree_offset');
  $roles = user_roles(1, 'access webfm');
  foreach ($roles as $rid => $role) {
    variable_del('root_dir_'. $rid);
    variable_del('webfm_extensions_'. $rid);
    variable_del('webfm_uploadsize_'. $rid);
    variable_del('webfm_usersize_'. $rid);
  }

  if (module_exists('og')) {
    $groups = og_all_groups_options();
    foreach ($groups as $gid => $group) {
      variable_del('root_dir_group_'. $gid);
    }
  }

  $types = node_get_types();
  foreach ($types as $type) {
    if ($type->type) {
      variable_del('webfm_attach_'. $type->type);
    }
  }
  variable_del('webfm_file_perm_role');
  variable_del('webfm_file_perm_mod');
  variable_del('webfm_file_perm_attach');
  variable_del('webfm_file_public');
  variable_del('webfm_date_format');
  variable_del('webfm_attach_new_window');
}

/**
 * Implementation of hook_schema().
 */
function webfm_schema() {
  $schema['webfm_file'] = array(
    'fields' => array(
      'fid' => array('type' => 'serial', 'size' => 'normal', 'unsigned' => TRUE, 'not null' => TRUE),
      'uid' => array('type' => 'int', 'size' => 'normal', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0),
      'fpath' => array('type' => 'text', 'size' => 'medium', 'not null' => TRUE),
      'fsize' => array('type' => 'int', 'size' => 'normal', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0),
      'fmime' => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => ''),
      'ftitle' => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => ''),
      'fdesc' => array('type' => 'text', 'size' => 'normal', 'not null' => TRUE),
      'fcreatedate' => array('type' => 'int', 'size' => 'normal', 'not null' => TRUE, 'default' => 0),
      'flang' => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => ''),
      'fpublisher' => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => ''),
      'fformat' => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => ''),
      'fversion' => array('type' => 'int', 'size' => 'normal', 'not null' => TRUE, 'default' => 0),
      'perm' => array('type' => 'int', 'size' => 'tiny', 'not null' => TRUE, 'default' => 0),
      'dl_cnt' => array('type' => 'int', 'size' => 'normal', 'not null' => TRUE, 'default' => 0),
  ),
    'primary key' => array('fid'),
  );

  $schema['webfm_attach'] = array(
    'fields' => array(
      'nid' => array('type' => 'int', 'size' => 'normal', 'not null' => TRUE, 'default' => 0),
      'fid' => array('type' => 'int', 'size' => 'normal', 'not null' => TRUE, 'default' => 0),
      'weight' => array('type' => 'int', 'size' => 'normal', 'not null' => TRUE, 'default' => 0),
      'cid' => array('type' => 'int', 'size' => 'normal', 'not null' => TRUE, 'default' => 0),
  ),
    'primary key' => array('nid', 'fid', 'cid' ),
  );
  return $schema;
}

/**
 * Add column for comment id in webfm_attach table.
 */
function webfm_update_1() {
  $ret = array();
  // Add the new column to store a comment id.
  db_add_field($ret, 'webfm_attach', 'cid', array('type' => 'int', 'not null' => TRUE, 'default' => '0'));

  // Make it a primary key.
  db_drop_primary_key($ret, 'webfm_attach');
  db_add_primary_key($ret, 'webfm_attach', array('nid', 'cid', 'fid'));
  return $ret;
}