<?php
// $Id: buddylistactivity.module,v 1.1.2.8.2.4 2009-01-01 19:50:57 jaydub Exp $

/**
 * Activity definition file
 *
 * This defines what hooks activity module should use
 */
function buddylistactivity_activity_info() {
  return array(
    'ops' => array(
      'add' => t('Add'), 
      'remove' => t('Remove'), 
      'request' => t('Request'), 
      'deny' => t('Deny'), 
      'cancel' => t('Cancel'),
    ),
    'types' => array('buddylist' => t('Buddylist')),
    'roles' => array(
      'author' => array(
        '#name' => t('Author'),
        '#description' => t('The person who performed the action.'),
        '#default' => array(
          'add' 	=> t('[author] added [buddy] to [possessive] [buddylist-link]'),
          'remove' 	=> t('[author] removed [buddy] from [possessive] [buddylist-link]'),
          'request' => t('[author] asked [buddy] to be added to [possessive] [buddylist-link]'),
          'deny' 	=> t('[author] denied [buddy]\'s request to be added to [possessive] [buddylist-link]'),
          'cancel' 	=> t('[author] cancelled [possessive] request to add [buddy] to [possessive] [buddylist-link]'),
        ),
      ),
      // This is what corresponds to ACTIVITY_ALL
      'all' => array(
        '#name' => t('All'),
        '#description' => t('The general public.'),
        '#default' => array(
          'add' 	=> t('[author-all] added [buddy-all] to their [buddylist-link]'),
          'remove' 	=> t('[author-all] removed [buddy-all] from their [buddylist-link]'),
          'request' => t('[author-all] asked [buddy-all] to be added to their [buddylist-link]'),
          'deny' 	=> t('[author-all] denied [buddy-all]\'s request to be added to their [buddylist-link]'),
          'cancel' 	=> t('[author-all] cancelled their request to add [buddy-all] to their [buddylist-link]'),
        ),
      ),
    ),
  );
}

/**
 * Token module integration. Defines available default tokens.
 */
function buddylistactivity_token_list($type = 'all') {
  if ($type == 'buddylistactivity') {
    $tokens['buddylistactivity'] = array(
      'possessive'		=> t('Possessive pronoun indicating whose buddylist ("yours" or "theirs")'),
      'buddylist-link'	=> t("Link to the user's buddylist"),
      'buddy-uid'		=> t('User Id of the person who has been added or removed'),
      'buddy'			=> t('Person who has been added or removed (used for "author" role)'),
      'buddy-all'		=> t('Person who has been added or removed (used for "all" role)'),
      'buddy-name'		=> t("The name of the person who has been added or removed"),
    );
    $tokens['buddylistactivity'] += buddylist_translation();
    return $tokens;
  }
}

/**
 * Token module integration. Defines available default token values.
 */
function buddylistactivity_token_values($type, $data = NULL, $options = array()) {
  global $user;
  static $authors;
  if ($type == 'buddylistactivity' && !empty($data)) {
    if (!isset($authors[$data['buddy-uid']])) {
      $authors[$data['buddy-uid']] = activity_user_load($data['buddy-uid']);
    }
    $buddy = $authors[$data['buddy-uid']];
    $data['possessive'] = ($user->uid == $data['uid']) ? t('your') : t('their');
    $data['buddy'] = theme('activity_username', $buddy, TRUE);
    $data['buddy-all'] = theme('activity_username', $buddy);
    $data['buddy-name'] = $buddy->name;
    $data['buddylist-link'] = l(t('@buddylist', buddylist_translation()), 'buddylist/'. $data['uid']);
    $data += buddylist_translation();
    return $data;
  }
}

/**
 * Implementation of hook_buddylist_api().
 * $arg[0] = operation
 * $arg[1] = user being added/removed
 * $arg[2] = user doing the add/remove
 */
function buddylistactivity_buddylist() {
  $args = func_get_args();
  $op = $args[0];
  $type = 'buddylist';

  // Check if both type and operation are
  // enabled for activity. If not then stop here
  if (!in_array($type, variable_get('buddylistactivity_token_types', array($type)), TRUE) || 
    !in_array($op, variable_get('buddylistactivity_op_types', array($op)), TRUE)) {
    return FALSE;
  }

  // Privacy setting check
  $user = user_load(array('uid' => $args[2]->uid));
  if (activity_user_privacy_optout($user)) {
    return FALSE;
  }

  $data = array(
    'buddy-uid' => $args[1]->uid,
  );

  $target_users_roles = array(
    ACTIVITY_ALL => 'all',
    $user->uid => 'author',
  );

  activity_insert($user->uid, 'buddylistactivity', $type, $op, $data, $target_users_roles);
}

/**
 * Implementation of hook_block().
 */
function buddylistactivity_block($op = 'list', $delta = 0, $edit = array()) {
  global $user;

  switch ($op) {
    case 'list':
      $block['buddies']['info'] = t("Activity - My buddies: show activities of current user's buddies.");
      return $block;

    case 'configure':
      $form['items'] = array(
        '#type' => 'select',
        '#title' => t('Number of items'),
        '#default_value' => variable_get('activity_block_'. $delta, 5),
        '#options' => drupal_map_assoc(range(1, 50)),
      );
      return $form;

    case 'save':
      variable_set('activity_block_'. $delta, $edit['items']);
      break;

    case 'view':
      switch ($delta) {
        case 'buddies':
          if (user_access('view own activity')) {
            $uids = array_keys(buddylist_get_buddies($user->uid, 'uid'));
            if (!$uids) {
              return FALSE;
            }

            $activity = array();
            $activity = activity_get_activity($uids, NULL, variable_get('activity_block_'. $delta, 5) + 1);
            drupal_add_css(drupal_get_path('module', 'activity') .'/activity.css');
            if (count($activity) > variable_get('activity_block_'. $delta, 5)) {
              $more_link = theme('activity_more_link', 'activity/buddies');
              array_pop($activity);
            }

            $activities = array();
            foreach ($activity as $item) {
              $activities[] = theme('activity', activity_token_replace($item), $item) . activity_delete_link($item);
            }

            return array(
              'subject' => t('My @buddies\' activity', buddylist_translation()),
              'content' => theme('activity_block', $activities, $more_link)
            );
          }
          break;
      }
  }
}

/**
 * Implementation of hook_menu().
 */
function buddylistactivity_menu($may_cache) {
  $items = array();
  
  if ($may_cache) {
    $items[] = array(
      'path' => 'activity/buddies',
      'title' => t('My buddies\' activity'),
      'callback' => 'buddylistactivity_page',
      'type' => MENU_LOCAL_TASK,
      'access' => user_access('view own activity'),
    );
  }
  
  return $items;
}

/**
 * buddylist activity page callback
 */
function buddylistactivity_page($page = 'buddies') {
  global $user;
  drupal_add_css(drupal_get_path('module', 'activity') .'/activity.css');

  if ($page == 'buddies') {
    if (user_access('view own activity')) {      
      $uids = array_keys(buddylist_get_buddies($user->uid, 'uid'));
      $activities = array();
      if ($uids) {
        $activities = activity_get_activity($uids, NULL, variable_get('activity_page_pager', 20));
      }
      $table = theme('activity_table', $activities);
      return theme('activity_page', $activities, $table);
    }
  }
}