<?php
// $Id: buddylistactivity.module,v 1.1.2.8 2008-05-05 14:57:04 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')),
    'types' => array('buddylist' => t('Buddylist')),
    'roles' => array(
      'author' => array(
        '#name' => t('Author'),
        '#description' => t('The person who performed the action.'),
        '#default' => '',
      ),
      // This is what corresponds to ACTIVITY_ALL
      'all' => array(
        '#name' => t('All'),
        '#description' => t('The general public.'),
        '#default' => '',
      ),
    ),
  );
}

function buddylistactivity_token_list($type = 'buddylistactivity') {
  if ($type == 'buddylistactivity') {
    $tokens['buddylistactivity']['user-name']      = t('Person who added a buddy');
    $tokens['buddylistactivity']['user-link']      = t("Link to the adder's profile");
    $tokens['buddylistactivity']['buddy-name']     = t("Person who has been added");
    $tokens['buddylistactivity']['buddy-link']     = t("Link to the addee's profile");
    $tokens['buddylistactivity'] += buddylist_translation();
    return $tokens;
  }
}

function buddylistactivity_token_values($type, $data = NULL, $options = array()) {
  static $authors;
  if ($type == 'buddylistactivity' && !empty($data)) {
    if (!isset($authors[$data['user-id']])) {
      $author = activity_user_load($data['user-id']);
      $authors[$data['user-id']] = array('uid' => $author->uid, 'name' => $author->name, 'link' => theme('username', $author));
    }
    $author = $authors[$data['user-id']];

    if (!isset($authors[$data['buddy-id']])) {
      $buddy = activity_user_load($data['buddy-id']);
      $authors[$data['buddy-id']] = array('uid' => $buddy->uid, 'name' => $buddy->name, 'link' => theme('username', $buddy));
    }
    $buddy = $authors[$data['buddy-id']];

    $tokens = array(
      'user-name' => $author['name'],
      'user-link' => $author['link'],
      'buddy-name' => $buddy['name'],
      'buddy-link' => $buddy['link'],
    );
    $tokens += buddylist_translation();
    return $tokens;
  }
}

/**
 * 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();
  $action = $args[0];
  $type = 'buddylist';

  $user = user_load(array('uid' => $args[2]->uid));

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

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

  activity_insert('buddylistactivity', $type, $action, $data, $target_users_roles);
}

function buddylistactivity_block($op = 'list', $delta = 0, $edit = array()) {
  global $user;

  if ($op == 'list') {
    $block['buddies']['info'] = t("Activity - My buddies: show activities of current user's buddies.");
    return $block;
  }
  elseif ($op == '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 $form;
  }
  elseif ($op == 'save') {
    variable_set('activity_block_'. $delta, $edit['items']);
  }
  elseif ($op == 'view') {
    switch ($delta) {
      case 'buddies':
        if (user_access('view own activity')) {
          $uids = array_keys(buddylist_get_buddies($user->uid, 'uid'));          
          $activity = activity_get_activity((empty($uids) ? $user->uid : $uids), NULL, 5);
          if ($count = count($activity)) {          
            if ($count > variable_get('activity_block_'. $delta, 5)) {
              $more_link = theme('activity_more_link', 'activity');
              array_pop($activity);
            }        
            $activites = array();
            foreach ($activity as $item) {
              $activities[] = theme('activity', activity_token_replace($item), $item);
            }        
            return array(
              'subject' => t('My @buddies\' activity', buddylist_translation()),
              'content' => theme('activity_block', $activities, $more_link));
          }
        }
        break;
    }
  }
}

function buddylistactivity_menu($may_cache) {
  $items = array();
  global $user;
  
  if ($may_cache) {
    $items[] = array(
      'path' => 'activity/buddies',
      'title' => t('My buddies\' activity'),
      'callback' => 'buddylistactivity_page',
      'access' => $user->uid,
      'type' => MENU_LOCAL_TASK,
      'access' => user_access('view own activity'),
    );
  }
  
  return $items;
}

function buddylistactivity_page($page = 'buddies') {
  global $user;
  if ($page == 'buddies') {
    if (user_access('view own activity')) {      
      $uids = array_keys(buddylist_get_buddies($user->uid, 'uid'));
      $activities = activity_get_activity((empty($uids) ? $user->uid : $uids), NULL, 20);
      $table = activity_table($activities);
      return theme('activity_page', $activities, $table);
    }
  }
}