<?php

// $Id: user2userpoints.module,v 1.1 2007/07/02 14:39:39 kbahey Exp $

// By Joshua Rogers http://drupal.org/node/128446

define('USER2USERPOINTS_PERM_SEND', 'user2userpoints_send');

function user2userpoints_user($op, &$edit, &$account, $category = NULL) { 
   if ($op == 'view') { 
     if (user_access('USER2USERPOINTS_PERM_SEND')) { //added by darxtar
       $url = 'user2userpoints/' .$account->name;
       $items[t('!Points', userpoints_translation())] = array(
          'value' => l(t('Give !points to ' .$account->name, userpoints_translation()), $url), 
          'class' => 'member', 
       ); 
 
       return array(t('!Points', userpoints_translation()) => $items); 
     } //added by darxtar
   } 
 } 

function user2userpoints_perm() {
  return array(USER2USERPOINTS_PERM_SEND);
}

/* Create the links to givepoints */
function user2userpoints_menu($may_cache) { 
  $items = array(); 

  if (!$may_cache) { 
    $items[] = array(
      'path'               => 'user2userpoints',
      'title'              => t('Give !points', userpoints_translation()), 
      'callback'           => 'drupal_get_form',
      'callback arguments' => array('user2userpoints_form'),
      'access'             => array(USER2USERPOINTS_PERM_SEND),
    ); 
  } 
  return $items; 
} 

function user2userpoints_form($name = '') { 
  $form = array();

/* START Modified by Darxtar */
  $form['to'] = array(
    '#type' => 'textfield',
    '#title' => t('To'),
    '#default_value' => $name,
    '#autocomplete_path' => 'user/autocomplete',
    '#size' => 50,
    '#maxlength' => 64,
    '#required'      => TRUE
  );
/* END Modified by Darxtar */

  $form['amount'] = array(
       '#type'          => 'textfield',
       '#title'         => t('Amount'),
       '#default_value' => '1',
       '#size'          => 50,
       '#required'      => TRUE
  );
  $form[] = array(
       '#type'          => 'submit',
       '#value'         => t('Give !Points', userpoints_translation())
  );

  return $form;
} 

//Modified by darxtar
//WAS: function user2userpoints_validate($form_id, $form_values) { 
function user2userpoints_form_validate($form_id, $form_values) { 
  global $user;

  /* Check the name to be valid. */
  if (!empty($form_values['to'])) {
    $to= user_load(array('name' => $form_values['to']));
    if (!$to->uid) {
      form_set_error('to', t("That is not a valid user."));
    }
    elseif ($to->uid == $user->uid) {
      form_set_error('to', t("You can't give !points to yourself.", userpoints_translation()));
    }
  }


  /* Check the value to be valid. */
  if (!empty($form_values['amount'])) {
    if ($form_values['amount'] < 1) {
      form_set_error('amount', t("You can't give less than one !point.", userpoints_translation()));
    }
    if ($form_values['amount'] > userpoints_get_current_points($user->uid)) {
      form_set_error('amount', t("You don't have enough !points for that.", userpoints_translation()));
    }
  }
}

//Modified by darxtar
//WAS: function user2userpoints_submit($form_id, $form_values) {
function user2userpoints_form_submit($form_id, $form_values) {
  global $user;

  $points = $form_values['amount'];
  $to = user_load(array('name' => $form_values['to']));

  userpoints_userpointsapi('points', $points, $to->uid, 'From: ' . $user->name);
  userpoints_userpointsapi('points', -$points, $user->uid, 'To: ' . $to->name);

}