<?php
// $Id: favorite_nodesactivity.module,v 1.1.2.6 2009-01-01 19:50:58 jaydub Exp $

/**
 * Activity definition file
 *
 * This defines what hooks activity module should use
 */
function favorite_nodesactivity_activity_info() {
  return array(
    'ops' => array('add' => t('Add'), 'delete' => t('Delete')),
    'types' => array('favorites' => t('Favorites')),
    'roles' => array(
      'author' => array(
        '#name' => t('Author'),
        '#description' => t('The person who added the node to favorites.'),
        '#default' => array(
          'add' => t('[author] [operation]ed the [node-type] [node-link] to [possessive] [favorites-link]'),
          'delete' => t('[author] [operation]d the [node-type] [node-link] from [possessive] [favorites-link]'),
        ),
      ),
      'all' => array(
        '#name' => t('All'),
        '#description' => t('The general public.'),
        '#default' => array(
          'add' => t('[author-all] [operation]ed the [node-type] [node-link] to their [favorites-link]'),
          'delete' => t('[author-all] [operation]d the [node-type] [node-link] from their [favorites-link]'),
        ),
      ),
    ),
  );
}

/** 
 * Implementation of hook_activityapi().
 */
function favorite_nodesactivity_activityapi(&$activity, $op) {
  if ($op == 'load') {
    if ($activity['data']['module'] == 'favorite_nodesactivity' && !node_access('view', node_load($activity['data']['node-id']))) {
      $activity = array();
    }
  }
}

/**
 * Token module integration. Defines available default tokens.
 */
function favorite_nodesactivity_token_list($type = 'all') {
  if ($type == 'favorite_nodesactivity') {
    $tokens['favorite_nodesactivity'] = array(
      'possessive'  => t('Possessive pronoun indicating whose favorites list ("yours" or "theirs")'),
      'favorites-link' => t("Link to the user's favorites list"),
      'node-type' 	=> t('The node type of the node that was favorited'),
      'node-id'  	=> t('Id of the node that was favorited'),
      'node-title' 	=> t('Title of the node that was favorited'),
      'node-link' 	=> t('Link to the node that was favorited'),
    );
    return $tokens;
  }
}

/**
 * Token module integration. Defines available default token values.
 */
function favorite_nodesactivity_token_values($type, $data = NULL, $options = array()) {
  global $user;
  if ($type == 'favorite_nodesactivity' && !empty($data)) {
    $data['possessive'] = ($user->uid == $data['uid']) ? t('your') : t('their');
    $data['favorites-link'] = l(t('favorites'), 'user/'. $data['uid'] .'/favorites');
    $data['node-type'] = theme('activity_node_type', $data['node-type']);
    $data['node-link'] = l($data['node-title'], 'node/'. $data['node-id']);
    return $data;
  }
}

/**
 * Implementation of hook_favorite_nodes().
 */
function favorite_nodesactivity_favorite_nodes($op, $node) {
  global $user;
  $type = 'favorites';

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

  // Privacy setting check
  if (activity_user_privacy_optout($user)) {
    return FALSE;
  }

  $data = array(
    'operation' 	=> $op,
    'node-id' 		=> $node->nid,
    'node-title' 	=> $node->title,
    'node-type' 	=> $node->type,
  );

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

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