<?php
// $Id: advanced_profile.module,v 1.26 2008-12-16 04:37:44 michellec Exp $

/**
 * @file
 * Provides building blocks for creating enhanced user profile pages.
 */

// DRUPAL HOOKS **************************************************************/

/**
 * Implementation of hook_perm().
 */
function advanced_profile_perm() {
  return array('administer advanced profile');
}

/**
 * Implementation of hook_menu().
 */
function advanced_profile_menu($may_cache) {
  $items = array();
  if ($may_cache) {
    // Add menu entry for settings page
    $items[] = array(
        'path' => "admin/settings/advanced-profile",
        'title' => t('Advanced Profile'),
        'callback' => 'drupal_get_form',
        'callback arguments' => array('advanced_profile_settings_page'),
        'access' => user_access('administer advanced profile'),
    );
  }
  elseif (arg(0) == 'user' && arg(2) == '') {
    advanced_profile_add_css();
  }
  return $items;
}

// SETTINGS ****************************************************************/

/**
 * Define settings form
 */
function advanced_profile_settings_page() {
  // Choose image directory.
  $form['advanced_profile_image_directory'] = array(
    '#type' => 'textfield',
    '#title' => t('Image directory'),
    '#size' => 50,
    '#description' => t('Path from active theme to image directory. If left blank the images in the module directory will be used.'),
    '#default_value' => variable_get('advanced_profile_image_directory', ''),
  );

  // Interval granularity.
  $form['advanced_profile_visits_interval_granularity'] = array(
    '#type' => 'textfield',
    '#title' => t('Granularity of time ago to use on profile visits listing'),
    '#size' => 10,
    '#default_value' => variable_get('advanced_profile_visits_interval_granularity', 2),
    '#description' => t('1 gives you "1 hour ago". 2 gives you "1 hour 4 minutes ago". 3 gives you "1 hour 4 minutes and 2 seconds ago"'),
  );

  // Check if uprofile type exists.
  $uprofile_exists = db_result(db_query("SELECT count(type) FROM {node_type} WHERE type='%s'", 'uprofile'));
  $ccopy_installed = module_exists('content_copy');

  // Auto create uprofile type option
  $form['advanced_profile_node_type_setup'] = array(
    '#type' => 'checkboxes',
    '#title' => t('Profile type auto creation'),
    '#options' => array(
      'Create' => t('Create the user profile node type with included fields'),
      ),
    '#description' => t("If you'd like to auto create the node type for user profiles, check this. The option will be disabled if you have a uprofile node type or do not have content copy (from CCK) enabled."),
    '#disabled' => $uprofile_exists || !$ccopy_installed,
  );

  // Create the uprofile content type if requested by the user checking the box
  $node_type_setup = variable_get('advanced_profile_node_type_setup', 0);
  if ($node_type_setup['Create']) {
    $cck_definition_file = drupal_get_path('module', 'advanced_profile') . '/includes/uprofile.inc';
    _create_content_type($cck_definition_file);
  }

  // Dump the checkbox vars to make sure we don't try to run this more than once
  variable_del('advanced_profile_node_type_setup');

  // Send our form to Drupal to make a settings page
  return system_settings_form($form);
}

// PANELS ********************************************************************/
if (module_exists('panels')) {
  include_once drupal_get_path('module', 'advanced_profile') . '/includes/panels.inc';
}

// VIEWS *********************************************************************/
if (module_exists('views')) {
  include_once drupal_get_path('module', 'advanced_profile') . '/includes/views.inc';
}

// THEME *********************************************************************/
include_once drupal_get_path('module', 'advanced_profile') . '/includes/theme.inc';

/**
 * Returns the path to the images used by this module.
 */
function advanced_profile_path_to_images() {
  $image_directory = variable_get('advanced_profile_image_directory', '');
  if (!empty($image_directory)) {
    $image_directory = path_to_theme() . '/' . $image_directory;
  }
  else {
    $image_directory = drupal_get_path('module', 'advanced_profile') . '/images';
  }

  return $image_directory;
}

/**
 * Adds the needed CSS.
 */
function advanced_profile_add_css() {
  // Find the CSS file by looking first in the theme and then in the module.
  $css_file = path_to_theme() . '/advanced_profile.css';

  if (!file_exists($css_file)) {
    $css_file = drupal_get_path('module', 'advanced_profile') . '/theme/advanced_profile.css';
  }

  drupal_add_css($css_file);
}

// OUTSIDE MODULE INTEGRATION ************************************************/
include_once drupal_get_path('module', 'advanced_profile') . '/includes/integration.inc';

// GENERAL FUNCTIONS *********************************************************/

/**
 * This function is no longer used but is kept to avoid errors from people
 * who have the call in their template.php from using earlier versions.
 */
function advanced_profile_addvars($hook, $vars) {
  return $vars;
}

/**
 * Returns recent visits to a profile page excluding that user and anonymous.
 */
function advanced_profile_tracker($uid) {
  if (module_exists('statistics')) {
    $interval_granularity = variable_get('advanced_profile_visits_interval_granularity', 2);
    if (empty($uid)) {
      $uid = arg(1);
    }

    $result = db_query_range('SELECT a.timestamp, a.uid, u.name FROM {accesslog} a LEFT JOIN {users} u ON a.uid = u.uid WHERE a.uid <> %d AND a.uid > 0 AND a.path LIKE \'user/%d%%\' ORDER BY a.timestamp DESC', $uid, $uid, 0, 10);

    $items = array();
    while ($log = db_fetch_object($result)) {
      $items[] = theme('username', $log) . " " . format_interval(time() - $log->timestamp, $interval_granularity) . " ago.";
    }

    return $items;
  }

  return -1;
}

/**
 * Helper function to import a CCK content type definition from a text file.
 * Thanks Wim Leers
 *
 * @param $cck_definition_file
 *   The full path to the file containing the CCK definition.
 */
function _create_content_type($cck_definition_file) {
  include_once('./'. drupal_get_path('module', 'node') .'/content_types.inc');
  include_once('./'. drupal_get_path('module', 'content') .'/content_admin.inc');
  $values = array();
  $values['type_name'] = '<create>';
  $values['macro'] = file_get_contents($cck_definition_file);
  drupal_execute("content_copy_import_form", $values);
}