Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/exercice/hotpotatoes.php

235 lines
10 KiB

<?php
/* For licensing terms, see /license.txt */
/**
* Code for HotPotatoes integration.
* @package chamilo.exercise
* @author Istvan Mandak (original author)
*/
/**
* Code
*/
// Name of the language file that needs to be included.
$language_file ='exercice';
// Including the global initialization file.
require_once '../inc/global.inc.php';
// Including additional libraries.
require_once api_get_path(LIBRARY_PATH).'fileUpload.lib.php';
require_once api_get_path(LIBRARY_PATH).'document.lib.php';
require_once api_get_path(LIBRARY_PATH).'fileManage.lib.php';
require_once api_get_path(LIBRARY_PATH).'pclzip/pclzip.lib.php';
require_once 'hotpotatoes.lib.php';
// Section (for the tabs).
$this_section = SECTION_COURSES;
// Access restriction: only teachers are allowed here.
if (!api_is_allowed_to_edit(null, true)) {
api_not_allowed();
}
if (isset($_SESSION['gradebook'])) {
$gradebook = $_SESSION['gradebook'];
}
if (!empty($gradebook) && $gradebook == 'view') {
$interbreadcrumb[] = array(
'url' => '../gradebook/'.$_SESSION['gradebook_dest'],
'name' => get_lang('ToolGradebook')
);
}
// The breadcrumbs.
$interbreadcrumb[] = array('url' => './exercice.php', 'name' => get_lang('Exercices'));
$is_allowedToEdit = api_is_allowed_to_edit(null, true);
// Database table definitions.
$dbTable = Database::get_course_table(TABLE_DOCUMENT);
$course_id = api_get_course_int_id();
// Setting some variables.
$document_sys_path = api_get_path(SYS_COURSE_PATH).$_course['path'].'/document';
$uploadPath = '/HotPotatoes_files';
$finish = (!empty($_POST['finish']) ? $_POST['finish'] : 0);
$imgcount = (!empty($_POST['imgcount']) ? $_POST['imgcount'] : null);
$fld = (!empty($_POST['fld']) ? $_POST['fld'] : null);
// If user is allowed to edit...
if (api_is_allowed_to_edit(null, true)) {
// Disable document parsing(?) - obviously deprecated
$enableDocumentParsing = false;
if (hotpotatoes_init($document_sys_path.$uploadPath)) {
// If the directory doesn't exist, create the "HotPotatoes" directory.
$doc_id = add_document($_course, '/HotPotatoes_files', 'folder', 0, get_lang('HotPotatoesFiles'));
// Update properties in dbase (in any case).
api_item_property_update($_course, TOOL_DOCUMENT, $doc_id, 'FolderCreated', api_get_user_id());
// Make invisible (in any case) - why?
api_item_property_update($_course, TOOL_DOCUMENT, $doc_id, 'invisible', api_get_user_id());
}
}
/** Display */
// If finish is set; it's because the user came from this script in the first place (displaying hidden "finish" field).
if ((api_is_allowed_to_edit(null, true)) && (($finish == 0) || ($finish == 2))) {
$nameTools = get_lang('HotPotatoesTests');
// Moved this down here as the upload handling functions give output.
if (isset($_POST['submit'])) {
// Check that the submit button was pressed when the button had the "Download" value.
// This should be updated to "upload" here and on the button, and it would be better to
// check something else than a string displayd on a button.
if (strcmp($_POST['submit'], get_lang('Send')) === 0) {
$max_filled_space = DocumentManager::get_course_quota();
//initialise $finish
if (!isset($finish)) { $finish = 0; }
//if the size is not defined, it's probably because there has been an error or no file was submitted
if (!$_FILES['userFile']['size']) {
$dialogBox .= get_lang('SendFileError').'<br />'.get_lang('Notice').' : '.get_lang('MaxFileSize').' '.ini_get('upload_max_filesize');
} else {
/* deprecated code
if ($enableDocumentParsing)
{ $enableDocumentParsing=false;
$oke=1;}
else { $oke = 0; }
*/
//$unzip = 'unzip';
$unzip = 0;
if (preg_match('/\.zip$/i', $_FILES['userFile']['name'])) {
//if it's a zip, allow zip upload
$unzip = 1;
}
if ($finish == 0) {
// Generate new test folder if on first step of file upload.
$filename = replace_dangerous_char(trim($_FILES['userFile']['name']), 'strict');
$fld = GenerateHpFolder($document_sys_path.$uploadPath.'/');
//$doc_id = add_document($_course, '/HotPotatoes_files/'.$fld, 'folder', 0, $fld);
//api_item_property_update($_course, TOOL_DOCUMENT, $doc_id, 'FolderCreated', api_get_user_id());
@mkdir($document_sys_path.$uploadPath.'/'.$fld, api_get_permissions_for_new_directories());
$doc_id = add_document($_course, '/HotPotatoes_files/'.$fld, 'folder', 0, $fld);
api_item_property_update($_course, TOOL_DOCUMENT, $doc_id, 'FolderCreated', api_get_user_id());
} else {
// It is not the first step... get the filename directly from the system params.
$filename = $_FILES['userFile']['name'];
}
/*if (treat_uploaded_file($_FILES['userFile'], $document_sys_path, $uploadPath."/".$fld, $max_filled_space, $unzip))*/
$allow_output_on_success = false;
if (handle_uploaded_document($_course, $_FILES['userFile'], $document_sys_path, $uploadPath.'/'.$fld, api_get_user_id(), null, null, $max_filled_space, $unzip, '', $allow_output_on_success)) {
if ($finish == 2) {
$imgparams = $_POST['imgparams'];
$checked = CheckImageName($imgparams, $filename);
if ($checked) { $imgcount = $imgcount-1; }
else {
$dialogBox .= $filename.' '.get_lang('NameNotEqual');
my_delete($document_sys_path.$uploadPath.'/'.$fld.'/'.$filename);
update_db_info('delete', $uploadPath.'/'.$fld.'/'.$filename);
}
if ($imgcount == 0) { // all image uploaded
$finish = 1;
}
} else {
// If we are (still) on the first step of the upload process.
if ($finish == 0) {
$finish = 2;
// Get number and name of images from the files contents.
GetImgParams('/'.$filename, $document_sys_path.$uploadPath.'/'.$fld, $imgparams, $imgcount);
if ($imgcount == 0) // There is no img link, so finish the upload process.
{ $finish = 1; }
else // There is still one or more img missing.
{ $dialogBox .= get_lang('DownloadEnd'); }
}
}
$title = @htmlspecialchars(GetQuizName($filename, $document_sys_path.$uploadPath.'/'.$fld.'/'), ENT_COMPAT, api_get_system_encoding());
$query = "UPDATE $dbTable SET comment='".Database::escape_string($title)."' WHERE c_id = $course_id AND path=\"".$uploadPath."/".$fld."/".$filename."\"";
Database::query($query);
api_item_property_update($_course, TOOL_QUIZ, $id, 'QuizAdded', api_get_user_id());
} else {
if ($finish == 2) {
// delete?
//$dialogBox .= get_lang('NoImg');
}
$finish = 0; // error
if (api_failure::get_last_failure() == 'not_enough_space') {
$dialogBox .= get_lang('NoSpace');
} elseif (api_failure::get_last_failure() == 'php_file_in_zip_file') {
$dialogBox .= get_lang('ZipNoPhp');
}
}
/* if ($oke==1)
{ $enableDocumentParsing=true; $oke=0;}
*/
}
}
}
if ($finish == 1) { /** ok -> send to main exercises page */
header('Location: exercice.php?'.api_get_cidreq());
exit;
}
Display::display_header($nameTools, get_lang('Exercise'));
echo '<div class="actions">';
echo '<a href="exercice.php?show=test">'.Display :: return_icon('back.png', get_lang('BackToExercisesList'),'',ICON_SIZE_MEDIUM).'</a>';
echo '</div>';
if ($finish==2) { // If we are in the img upload process.
$dialogBox .= get_lang('ImgNote_st').$imgcount.get_lang('ImgNote_en').'<br />';
while (list($key, $string) = each($imgparams)) {
$dialogBox .= $string.'; ';
}
}
if ($dialogBox) {
Display::display_normal_message($dialogBox, false);
}
/* UPLOAD SECTION */
echo "<!-- upload -->\n",
"<form action=\"".api_get_self()."?".api_get_cidreq()."\" method=\"post\" enctype=\"multipart/form-data\" >\n",
"<input type=\"hidden\" name=\"uploadPath\" value=\"\">\n",
"<input type=\"hidden\" name=\"fld\" value=\"$fld\">\n",
"<input type=\"hidden\" name=\"imgcount\" value=\"$imgcount\">\n",
"<input type=\"hidden\" name=\"finish\" value=\"$finish\">\n";
echo GenerateHiddenList($imgparams);
/*if ($finish==0){ echo get_lang('DownloadFile');}
else {echo get_lang('DownloadImg');}
echo " : ",
"<input type=\"file\" name=\"userFile\">\n",
"<input type=\"submit\" name=\"submit\" value=\"".get_lang('Send')."\"><br/>\n";*/
//Display::display_icon('hotpotatoes.jpg','',array('align'=> 'right', 'style' => 'position: absolute; padding-top: 30px; margin-left: 500px;'));
echo '<legend>'.$nameTools.'</legend>';
echo '<div class="row">';
echo '<div class="label" style="padding:10px">';
echo '<span class="form_required">*</span>';
if ($finish == 0) {
echo get_lang('DownloadFile').' : ';
} else {
echo get_lang('DownloadImg').' : ';
}
echo '</div>';
echo '<div class="formw">';
echo '<div style="float:left;padding:10px" >
<input type="file" name="userFile"><br /><br />
<button type="submit" class="upload" name="submit" value="'.get_lang('Send').'">'.get_lang('SendFile').'</button>
</div>';
echo '<div>'.Display::display_icon('hotpotatoes.jpg', get_lang('HotPotatoes')).'</div>';
echo '</div></div>';
}
// Display the footer.
Display::display_footer();