<?php
// $Id: casetracker_basic.module,v 1.20 2007-11-23 11:37:35 zero2one Exp $

/**
 * @file
 * Enables a basic project node type for use with Case Tracker.
 */

/**
 * Implementation of hook_perm().
 */
function casetracker_basic_perm() {
  return array('create projects', 'create cases', 'edit own projects', 'edit own cases');
}

/**
 * Implementation of hook_node_info().
 */
function casetracker_basic_node_info() {
  return array(
    'casetracker_basic_project' => array(
      'name'        => t('Project'),
      'module'      => 'casetracker_basic_project',
      'description' => t('Create a basic project for use with Case Tracker.'),
      'help'        => t('Create a basic project for use with Case Tracker.'),
      'body_label'  => t('Description'),
    ),
    'casetracker_basic_case' => array(
      'name'        => t('Case'),
      'module'      => 'casetracker_basic_case',
      'description' => t('Open a new case assigned to a particular project.'),
      'help'        => t('Open a new case assigned to a particular project.'),
      'body_label'  => t('Description'),
    ),
  );
}

/**
 * Implementation of hook_form().
 */
function casetracker_basic_project_form(&$node) {
  $form = array();

  if (in_array($node->type, variable_get('casetracker_project_node_types', array('casetracker_basic_project')))) {
    $form['title'] = array(
      '#type'          => 'textfield',
      '#title'         => t('Title'),
      '#required'      => TRUE,
      '#default_value' => $node->title,
    );
    $form['body_filter']['body'] = array(
      '#type'          => 'textarea',
      '#title'         => t('Description'),
      '#default_value' => $node->body,
      '#rows'          => 20,
      '#required'      => TRUE,
    );
    $form['body_filter']['format'] = filter_form($node->format);
  }

  return $form;
}

/**
 * Implementation of hook_form().
 */
function casetracker_basic_case_form(&$node) {
  $form = array();

  if (in_array($node->type, variable_get('casetracker_case_node_types', array('casetracker_basic_case')))) {
    $form['casetracker_case_detail'] = array(
      '#type'              => 'fieldset',
      '#title'             => t('Case details'),
      '#collapsible'       => TRUE,
      '#collapsed'         => FALSE,
    );
    $form['casetracker_case_detail']['title'] = array(
      '#type'              => 'textfield',
      '#title'             => t('Title'),
      '#required'          => TRUE,
      '#default_value'     => isset($node->title) ? $node->title : NULL,
    );
    $form['casetracker_case_detail']['body_filter']['body'] = array(
      '#type'              => 'textarea',
      '#title'             => t('Description'),
      '#default_value'     => isset($node->body) ? $node->body : NULL,
      '#rows'              => 20,
      '#required'          => TRUE,
    );
    $form['casetracker_case_detail']['body_filter']['format'] = filter_form($node->format);
  }

  return $form;
}

/**
 *  Implementation of hook_access().
 */
function casetracker_basic_project_access($op, $node) {
  global $user;

  switch($op) {
  	case 'create':
  	  return user_access('create projects');
  	  break;
  	  
  	case 'update':
  	case 'delete':
  	  if (user_access('edit own projects') && ($user->uid == $node->uid)) {
        return TRUE;
      }
  	  break;
  }
}

/**
 * Implementation of hook_access().
 */
function casetracker_basic_case_access($op, $node) {
  global $user;

  switch($op) {
  	case 'view':
  	  // we have to check if the OG module is installed, otherwise this will 
  	  // overule the OG nodeaccess
  	  if(!module_exists('og')) {
  	    return user_access('access case tracker');
  	  }
  	  // we check if the case isn't created by the current user or is 
  	  // assigned to the current user, if so that user gets access
  	  elseif(
  	    user_access('access case tracker')
  	    && 0 < (int)$user->uid
  	    && ((int)$node->assign_to === (int)$user->uid
  	         || (int)$node->uid === (int)$user->uid)
  	  ) {
  	    return true;
  	  }
  	  break;
  	case 'create':
  	  return user_access('create cases');
  	  break;
  	 
  	case 'update':
  	case 'delete':
  	  if (user_access('edit own cases') && ($user->uid == $node->uid)) {
        return TRUE;
      }
  	  break;
  }
}