<?php

// $Id: casetracker_notifications.module,v 1.1.2.1 2010-10-29 20:15:44 jmiccolis Exp $

/**
 * Implementation of hook_menu().
 */
function casetracker_notifications_menu() {
  // User pages, will be disabled by default
  $items['user/%user/notifications/casetracker'] = array(
    'type' => MENU_LOCAL_TASK,
    'access callback' => FALSE,
    'title' => 'Case Tracker',
    'page callback' => 'notifications_user_subscription_list_page',
    'page arguments' => array('casetracker_project', 1),
    'weight' => 10,
  );
  return $items;
}

/**
 * Implementation of hook_perm().
 */
function casetracker_notifications_perm() {
  return array('subscribe to cases');
}

/**
 * Implementation of hook_notifications()
 */
function casetracker_notifications_notifications($op) {
  switch ($op) {
    case 'subscription types':
      $types['casetracker_assigned'] = array(
        'event_type' => 'node',
        'object_type' => 'node',
        'title' => t('Cases assigned'),
        'access' => 'subscribe to cases',
        'fields' => array('casetracker_assign'),
        'description' => t('Subscribe to all cases assigned to a user.'),
      );
      $types['casetracker_project'] = array(
        'event_type' => 'node',
        'object_type' => 'node',
        'title' => t('Project cases'),
        'access' => 'subscribe to cases',
        'page callback' => 'casetracker_notifications_projects_page',
        'user page' => 'user/%user/notifications/casetracker',
        'fields' => array('casetracker_project'),
        'description' => t('Subscribe to all cases for a project.'),
      );
      return $types;

    case 'subscription fields':
      $fields['casetracker_assign'] = array(
        'name' => t('Assigned to'),
        'field' => 'assign_to',
        'type' => 'int',
        'object_type' => 'user',
      );
      $fields['casetracker_project'] = array(
        'name' => t('Project'),
        'field' => 'casetracker_project',
        'type' => 'int',
        'object_type' => 'node',
      );
      return $fields;
  }
}

/**
 * Implementation of hook_notifications_object_node()
 */
function casetracker_notifications_notifications_object_node($op, $node, $account = NULL) {
  switch ($op) {

    case 'conditions':
      if (casetracker_is_case($node) && user_access('subscribe to cases')) {
        $conditions = array();
        // The assignee can be no user or anonymous so we just make sure we return an integer
        // @todo Other values may be possible, check with casetracker maintainers
        if (isset($node->casetracker->assign_to)) {
          $conditions['casetracker_assign'] = (int)$node->casetracker->assign_to;
        }
        if (!empty($node->casetracker->pid)) {
          $conditions['casetracker_project'] = $node->casetracker->pid;
        }
        return $conditions;
      }
      break;

    case 'subscriptions':
      // Return available subscription options for this project and this user account
      if (casetracker_is_project($node) && user_access('subscribe to cases')) {
        $options[] = array(
          'name' => t('Cases for this project'),
          'type' => 'casetracker_project',
          'fields' => array('casetracker_project' => $node->nid),
        );
      }
      if (casetracker_is_case($node) && user_access('subscribe to cases')) {
        $options[] = array(
          'name' => t('Cases assigned to me'),
          'type' => 'casetracker_assigned',
          'fields' => array('casetracker_assign' => $GLOBALS['user']->uid),
        );
        return $options;
      }
  }
}