docs/mods/_standard/reading_list/add_resource_file.php

   1 <?php
   2 /****************************************************************/
   3 /* ATutor                                                                                                               */
   4 /****************************************************************/
   5 /* Copyright (c) 2002-2008                                      */
   6 /* Written by Greg Gay, Joel Kronenberg & Chris Ridpath         */
   7 /* Inclusive Design Institute                                   */
   8 /* http://atutor.ca                                                                                             */
   9 /*                                                              */
  10 /* This program is free software. You can redistribute it and/or*/
  11 /* modify it under the terms of the GNU General Public License  */
  12 /* as published by the Free Software Foundation.                                */
  13 /****************************************************************/
  14 // $Id$
  15 define('AT_INCLUDE_PATH', '../../../include/');
  16 require (AT_INCLUDE_PATH.'vitals.inc.php');
  17 authenticate(AT_PRIV_READING_LIST);
  18
  19 // initial values for form
  20 $id = intval($_REQUEST['id']);
  21 $title = "";
  22 $author = "";
  23 $publisher = "";
  24 $date = "";
  25 $comments = "";
  26 $isbn = "";
  27 $page_return = $_GET['page_return'];
  28
  29 // check if user has submitted form
  30 if (isset($_POST['cancel'])) {
  31         $msg->addFeedback('CANCELLED');
  32
  33         header('Location: display_resources.php');
  34         exit;
  35 } else if (isset($_POST['submit'])) {
  36         $missing_fields = array();
  37
  38         if (trim($_POST['title']) == '') {
  39                 $missing_fields[] = _AT('title');
  40         }
  41         if (trim($_POST['author']) == '') {
  42                 $missing_fields[] = _AT('author');
  43         }
  44
  45         if ($missing_fields) {
  46                 $missing_fields = implode(', ', $missing_fields);
  47                 $msg->addError(array('EMPTY_FIELDS', $missing_fields));
  48         }
  49
  50         if (!$msg->containsErrors()) {
  51                 $_POST['title'] = $addslashes(validate_length($_POST['title'], 255));
  52                 $_POST['author'] = $addslashes(validate_length($_POST['author'], 150));
  53                 $_POST['publisher'] = $addslashes(validate_length($_POST['publisher'], 150));
  54                 $_POST['date']      = $addslashes($_POST['date']);
  55                 $_POST['comments'] = $addslashes(validate_length($_POST['comments'], 255));
  56                 $_POST['isbn']      = $addslashes($_POST['isbn']);
  57
  58                 if ($id == '0'){ // creating a new file resource
  59                         $sql = "INSERT INTO ".TABLE_PREFIX."external_resources VALUES (NULL, $_SESSION[course_id],
  60                                 ".RL_TYPE_FILE.",
  61                                 '$_POST[title]',
  62                                 '$_POST[author]',
  63                                 '$_POST[publisher]',
  64                                 '$_POST[date]',
  65                                 '$_POST[comments]',
  66                                 '$_POST[isbn]',
  67                                 '')";
  68                         $result = mysql_query($sql,$db);
  69
  70                         // index to new file resource
  71                         $id_new = mysql_insert_id($db);
  72
  73                         $msg->addFeedback('ACTION_COMPLETED_SUCCESSFULLY');
  74                 } else { // modifying an existing file resource
  75
  76                         $sql = "UPDATE ".TABLE_PREFIX."external_resources SET title='$_POST[title]', author='$_POST[author]', publisher='$_POST[publisher]', date='$_POST[date]', comments='$_POST[comments]', id='$_POST[isbn]' WHERE resource_id='$id' AND course_id=$_SESSION[course_id]";
  77
  78                         $result = mysql_query($sql,$db);
  79
  80                         // index to file resource
  81                         $id_new = $id;
  82
  83                         $msg->addFeedback('ACTION_COMPLETED_SUCCESSFULLY');
  84                 }
  85
  86                 if (trim($_POST['page_return']) != ''){
  87                         header('Location: '. $_POST['page_return']. '?existingbook='. $id_new);
  88                 } else {
  89                         header('Location: index_instructor.php');
  90                 }
  91                 exit;
  92         } else { // submission contained an error, update form values for redisplay
  93                 $title       = $stripslashes($_POST['title']);
  94                 $author      = $stripslashes($_POST['author']);
  95                 $publisher   = $stripslashes($_POST['publisher']);
  96                 $date        = $stripslashes($_POST['date']);
  97                 $comments    = $stripslashes($_POST['comments']);
  98                 $isbn        = $stripslashes($_POST['id']);
  99                 $page_return = $stripslashes($_POST['page_return']);
 100         }
 101 }
 102
 103 // is user modifying an existing file resource?
 104 if ($id && !isset($_POST['submit'])){
 105         // yes, get resource from database
 106         $id = intval ($_GET['id']);
 107
 108         $sql = "SELECT * FROM ".TABLE_PREFIX."external_resources WHERE course_id=$_SESSION[course_id] AND resource_id=$id";
 109         $result = mysql_query($sql, $db);
 110         if ($row = mysql_fetch_assoc($result)){
 111                 $title     = AT_print($row['title'], 'input.text');
 112                 $author    = AT_print($row['author'], 'input.text');
 113                 $publisher = AT_print($row['publisher'], 'input.text');
 114                 $date      = AT_print($row['date'], 'input.text');
 115                 $comments  = AT_print($row['comments'], 'input.text');
 116                 $isbn      = AT_print($row['id'], 'input.text');
 117         }
 118         // change title of page to 'edit file resource' (default is 'add file resource')
 119         $_pages['mods/_standard/reading_list/add_resource_file.php']['title_var'] = 'rl_edit_resource_file';
 120 } else if ($id) {
 121         $_pages['mods/_standard/reading_list/add_resource_file.php']['title_var'] = 'rl_edit_resource_file';
 122 }
 123
 124 $onload = 'document.form.name.focus();';
 125
 126 require(AT_INCLUDE_PATH.'header.inc.php');
 127 ?>
 128
 129 <form action="<?php echo $_SERVER['PHP_SELF']; ?>" method="post" name="form">
 130 <input type="hidden" name="id" value="<?php echo $id ?>" />
 131 <input type="hidden" name="page_return" value="<?php echo $page_return ?>" />
 132
 133 <div class="input-form">
 134         <fieldset class="group_form"><legend class="group_form"><?php echo _AT('rl_add_resource_file'); ?></legend>
 135         <div class="row">
 136                 <span class="required" title="<?php echo _AT('required_field'); ?>">*</span><label for="title"><?php  echo _AT('title'); ?></label><br />
 137                 <input type="text" name="title" size="35" id="title" value="<?php echo $title; ?>" />
 138         </div>
 139
 140         <div class="row">
 141                 <span class="required" title="<?php echo _AT('required_field'); ?>">*</span><label for="author"><?php  echo _AT('author'); ?></label><br />
 142                 <input type="text" name="author" size="25" id="author" value="<?php echo $author; ?>" />
 143         </div>
 144
 145         <div class="row">
 146                 <label for="date"><?php  echo _AT('rl_year_written'); ?></label><br />
 147                 <input type="text" name="date" size="6" id="date" value="<?php echo $date; ?>" />
 148         </div>
 149
 150         <div class="row">
 151                 <label for="publisher"><?php  echo _AT('rl_publisher'); ?></label><br />
 152                 <input type="text" name="publisher" size="20" id="publisher" value="<?php echo $publisher; ?>" />
 153         </div>
 154
 155         <div class="row">
 156                 <label for="isbn"><?php  echo _AT('rl_isbn_number'); ?></label><br />
 157                 <input type="text" name="isbn" size="15" id="isbn" value="<?php echo $isbn; ?>" />
 158         </div>
 159
 160         <div class="row">
 161                 <label for="comments"><?php  echo _AT('comment'); ?></label><br />
 162                 <textarea name="comments" cols="30" rows="2" id="comments"><?php echo $comments; ?></textarea>
 163         </div>
 164
 165         <div class="row buttons">
 166                 <input type="submit" name="submit" value="<?php echo _AT('save'); ?>" accesskey="s" />
 167                 <input type="submit" name="cancel" value="<?php echo _AT('cancel'); ?>" />
 168         </div>
 169         </fieldset>
 170 </div>
 171 </form>
 172
 173 <?php require(AT_INCLUDE_PATH.'footer.inc.php'); ?>