@ -1,133 +1,133 @@
<?php
<?php
/* For licensing terms, see /license.txt */
/**
*
*
* Files are saved in the path:
*
*
* courses/XXX/exercises/(session_id)/(exercise_id)/(question_id)/(user_id)/
*
* The file name is composed with
*
* The file name is composed with
*
* (course_id)/(session_id)/(user_id)/(exercise_id)/(question_id)/(exe_id).wav|mp3|ogg
*
*
*/
class Nanogong {
var $filename;
var $store_filename;
var $store_path;
var $params;
var $can_edit = false;
/* Files allowed to upload */
var $available_extensions = array('mp3', 'wav', 'ogg');
public function __construct($params = array()) {
$this->set_parameters($params);
}
function create_user_folder() {
//COURSE123/exercises/session_id/exercise_id/question_id/user_id
if (empty($this->store_path)) {
return false;
}
//@todo use an array to create folders
$folders_to_create = array();
//Trying to create the courses/COURSE123/exercises/ dir just in case
if (!is_dir($this->store_path)) {
mkdir($this->store_path);
}
}
if (!is_dir($this->store_path.$this->session_id)) {
mkdir($this->store_path.$this->session_id);
}
if (!empty($this->exercise_id) & & !is_dir($this->store_path.$this->session_id.'/'.$this->exercise_id)) {
mkdir($this->store_path.$this->session_id.'/'.$this->exercise_id);
}
if (!empty($this->question_id) & & !is_dir($this->store_path.$this->session_id.'/'.$this->exercise_id.'/'.$this->question_id)) {
mkdir($this->store_path.$this->session_id.'/'.$this->exercise_id.'/'.$this->question_id);
}
if (!empty($this->user_id) & & !is_dir($this->store_path.$this->session_id.'/'.$this->exercise_id.'/'.$this->question_id.'/'.$this->user_id)) {
mkdir($this->store_path.$this->session_id.'/'.$this->exercise_id.'/'.$this->question_id.'/'.$this->user_id);
}
}
/**
* Setting parameters: course id, session id, etc
* @param array
* @param array
*/
function set_parameters($params = array()) {
//Setting course id
if (isset($params['course_id'])) {
$this->course_id = intval($params['course_id']);
} else {
$this->course_id = $params['course_id'] = api_get_course_int_id();
}
//Setting course info
if (isset($this->course_id)) {
$this->course_info = api_get_course_info_by_id($this->course_id);
}
//Setting session id
if (isset($params['session_id'])) {
$this->session_id = intval($params['session_id']);
} else {
$this->session_id = $params['session_id'] = api_get_session_id();
}
//Setting user ids
if (isset($params['user_id'])) {
$this->user_id = intval($params['user_id']);
} else {
$this->user_id = $params['user_id'] = api_get_user_id();
}
//Setting user ids
if (isset($params['exercise_id'])) {
$this->exercise_id = intval($params['exercise_id']);
} else {
$this->exercise_id = 0;
}
//Setting user ids
if (isset($params['question_id'])) {
$this->question_id = intval($params['question_id']);
} else {
$this->question_id = 0;
}
$this->can_edit = false;
if (api_is_allowed_to_edit()) {
$this->can_edit = true;
$this->can_edit = true;
} else {
if ($this->user_id == api_get_user_id()) {
$this->can_edit = true;
}
}
//Settings the params array
$this->params = $params;
$this->store_path = api_get_path(SYS_COURSE_PATH).$this->course_info['path'].'/exercises/';
$this->create_user_folder();
$this->create_user_folder();
$this->store_path = $this->store_path.implode('/', array($this->session_id, $this->exercise_id, $this->question_id, $this->user_id)).'/';
$this->filename = $this->generate_filename();
$this->store_filename = $this->store_path.$this->filename;
}
/**
* Generates the filename with the next format:
* (course_id)/(session_id)/(user_id)/(exercise_id)/(question_id)/(exe_id)
@ -138,160 +138,157 @@ class Nanogong {
if (!empty($this->params)) {
//filename
//course_id/session_id/user_id/exercise_id/question_id/exe_id
$filename_array = array($this->params['course_id'], $this->params['session_id'], $this->params['user_id'], $this->params['exercise_id'], $this->params['question_id'], $this->params['exe_id']);
$filename_array = array($this->params['course_id'], $this->params['session_id'], $this->params['user_id'], $this->params['exercise_id'], $this->params['question_id'], $this->params['exe_id']);
return implode('-', $filename_array);
} else {
return api_get_unique_id();
}
}
/**
* Delete audio file
* @return number
*/
function delete_files() {
$delete_found = 0;
if ($this->can_edit) {
$file = $this->load_filename_if_exists();
$path_info = pathinfo($file);
if ($this->can_edit) {
$file = $this->load_filename_if_exists();
$path_info = pathinfo($file);
foreach($this->available_extensions as $extension) {
$file_to_delete = $path_info['dirname'].'/'.$path_info['filename'].'.'.$extension;
if (is_file($file_to_delete)) {
unlink($file_to_delete);
$delete_found = 1;
}
}
}
}
return $delete_found;
}
/**
*
*
* Tricky stuff to deal with the feedback = 0 in exercises (all question per page)
* @param unknown_type $exe_id
*/
function replace_with_real_exe($exe_id) {
$filename = null;
//@ugly fix
foreach($this->available_extensions as $extension) {
foreach($this->available_extensions as $extension) {
$items = explode('-', $this->filename);
$items[5] = 'temp_exe';
$filename = implode('-', $items);
if (is_file($this->store_path.$filename.'.'.$extension)) {
$old_name = $this->store_path.$filename.'.'.$extension;
$filename = implode('-', $items);
if (is_file($this->store_path.$filename.'.'.$extension)) {
$old_name = $this->store_path.$filename.'.'.$extension;
$items = explode('-', $this->filename);
$items[5] = $exe_id;
$filename = $filename = implode('-', $items);
$new_name = $this->store_path.$filename.'.'.$extension;
//var_dump($old_name, $new_name);
rename($old_name, $new_name);
rename($old_name, $new_name);
break;
}
}
}
}
function load_filename_if_exists($load_from_database = false) {
$filename = null;
//@ugly fix
foreach($this->available_extensions as $extension) {
if (is_file($this->store_path.$this->filename.'.'.$extension)) {
foreach($this->available_extensions as $extension) {
if (is_file($this->store_path.$this->filename.'.'.$extension)) {
$filename = $this->filename.'.'.$extension;
break;
break;
}
}
//temp_exe
}
//temp_exe
if ($load_from_database) {
//Load the real filename just if exists
if (isset($this->params['exe_id']) & & isset($this->params['user_id']) & & isset($this->params['question_id']) & & isset($this->params['session_id']) & & isset($this->params['course_id'])) {
$attempt_table = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
$sql = "SELECT filename FROM $attempt_table
WHERE exe_id = ".$this->params['exe_id']." AND
user_id = ".$this->params['user_id']." AND
user_id = ".$this->params['user_id']." AND
question_id = ".$this->params['question_id']." AND
session_id = ".$this->params['session_id']." AND
session_id = ".$this->params['session_id']." AND
course_code = '".$this->course_info['code']."' LIMIT 1";
$result = Database::query($sql);
$result = Database::fetch_row($result,'ASSOC');
if (isset($result) & & isset($result[0]) & & !empty($result[0])) {
$filename = $result[0];
$filename = $result[0];
}
}
}
if (is_file($this->store_path.$filename)) {
return $this->store_path.$filename;
}
return null;
}
/**
*
*
* Get the URL of the file
* path courses/XXX/exercises/(session_id)/(exercise_id)/(question_id)/(user_id)/
*
*
* @return string
*/
function get_public_url($force_download = 0) {
$params = $this->get_params(true);
$url = api_get_path(WEB_AJAX_PATH).'nanogong.ajax.php?a=get_file&download='.$force_download.'&'.$params;
$url = api_get_path(WEB_AJAX_PATH).'nanogong.ajax.php?a=get_file&download='.$force_download.'&'.$params;
$params = $this->get_params();
$filename = basename($this->load_filename_if_exists());
$filename = basename($this->load_filename_if_exists());
$url = api_get_path(WEB_COURSE_PATH).$this->course_info['path'].'/exercises/'.
$params['session_id'].'/'.$params['exercise_id'].'/'.$params['question_id'].'/'.$params['user_id'].'/'.$filename;
$params['session_id'].'/'.$params['exercise_id'].'/'.$params['question_id'].'/'.$params['user_id'].'/'.$filename;
return $url;
}
/**
* Uploads the nanogong wav file
*/
* Uploads the nanogong wav file
*/
public function upload_file($is_nano = false) {
require_once api_get_path(LIBRARY_PATH).'fileDisplay.lib.php';
require_once api_get_path(LIBRARY_PATH).'document.lib.php';
require_once api_get_path(LIBRARY_PATH).'fileUpload.lib.php';
if (!empty($_FILES)) {
$upload_ok = process_uploaded_file($_FILES['file'], false);
if (!empty($_FILES)) {
$upload_ok = process_uploaded_file($_FILES['file'], false);
if (!is_uploaded_file($_FILES['file']['tmp_name'])) {
return 0;
}
if ($upload_ok) {
// Check if there is enough space to save the file
if (!DocumentManager::enough_space($_FILES['file']['size'], DocumentManager::get_course_quota())) {
return 0;
}
return 0;
}
//first we delete everything before uploading the file
$this->delete_files();
//Reload the filename variable
$file_name = add_ext_on_mime($_FILES['file']['name'], $_FILES['file']['type']);
$file_name = add_ext_on_mime($_FILES['file']['name'], $_FILES['file']['type']);
$file_name = strtolower($file_name);
$file_info = pathinfo($file_name);
$file_info = pathinfo($file_name);
if ($is_nano == true) {
$file_info['extension'] = 'wav';
$file_info['extension'] = 'wav';
}
$file_name = $this->filename.'.'.$file_info['extension'];
if (in_array($file_info['extension'], $this->available_extensions)) {
if (in_array($file_info['extension'], $this->available_extensions)) {
if (move_uploaded_file($_FILES['file']['tmp_name'], $this->store_path.$file_name)) {
$this->store_filename = $this->store_path.$file_name;
$this->store_filename = $this->store_path.$file_name;
//error_log('saved');
return 1;
}
}
}
}
}
return 0;
}
/**
* Show the audio file + a button to download
*
@ -299,26 +296,26 @@ class Nanogong {
public function show_audio_file($show_delete_button = false) {
$html = '';
$file_path = $this->load_filename_if_exists();
if (!empty($file_path)) {
$url = $this->get_public_url(true);
$actions = Display::url(Display::return_icon('save.png', get_lang('Download'), array(), ICON_SIZE_SMALL), $url, array('target'=>'_blank'));
$download_button = Display::url(get_lang('Download'), $url, array('class' =>'btn'));
if ($show_delete_button) {
if ($show_delete_button) {
$actions .= ' '.Display::url(Display::return_icon('delete.png', get_lang('Delete'), array(), ICON_SIZE_SMALL), "#", array('onclick'=>'delete_file();'));
}
$basename = basename($file_path);
$path_info = pathinfo($basename);
if ($path_info['extension'] == 'wav') {
$html .= '< script >
$(document).ready( function() {
var java_enabled = navigator.javaEnabled();
if (java_enabled) {
if (java_enabled) {
$("#nanogong_warning").hide();
$("#nanogong_player_id").show();
} else {
@ -327,12 +324,12 @@ class Nanogong {
}
});
< / script > ';
$html .= '< div id = "nanogong_player_id" class = "nanogong_player_container" > ';
$html .= '< div class = "action_player" > '.$actions.'< / div > ';
$html .= '< div class = "nanogong_player" > ';
$html .= '< div class = "action_player" > '.$actions.'< / div > ';
$html .= '< div class = "nanogong_player" > ';
$html .= '< applet id = "nanogong_player" archive = "'.api_get_path(WEB_LIBRARY_PATH).'nanogong/nanogong.jar" code = "gong.NanoGong" width = "250" height = "40" ALIGN = "middle" > ';
$html .= '< param name = "ShowRecordButton" value = "false" / > '; // default true
$html .= '< param name = "ShowSaveButton" value = "false" / > '; //you can save in local computer | (default true)
//echo '< param name = "ShowSpeedButton" value = "false" / > '; // default true
@ -343,47 +340,47 @@ class Nanogong {
//echo '< param name = "EndTime" value = "65" / > ';
$html .= '< param name = "AudioFormat" value = "ImaADPCM" / > ';// ImaADPCM (more speed), Speex (more compression)|(default Speex)
//$html .= '< param name = "AudioFormat" value = "Speex" / > ';// ImaADPCM (more speed), Speex (more compression)|(default Speex)
//Quality for ImaADPCM (low 8000, medium 11025, normal 22050, hight 44100) OR Quality for Speex (low 8000, medium 16000, normal 32000, hight 44100) | (default 44100)
//Quality for ImaADPCM (low 8000, medium 11025, normal 22050, hight 44100) OR Quality for Speex (low 8000, medium 16000, normal 32000, hight 44100) | (default 44100)
//echo '< param name = "SamplingRate" value = "32000" / > ';
//echo '< param name = "MaxDuration" value = "60" / > ';
$html .= '< param name = "SoundFileURL" value = "'.$url.'" / > ';//load a file |(default "")
$html .= '< / applet > ';
$html .= '< / applet > ';
$html .= '< / div > ';
$html .= '< / div > ';
$html .= '< div id = "nanogong_warning" > '.Display::return_message(get_lang('BrowserDoesNotSupportNanogongPlayer'),'warning').$download_button.'< / div > ';
$html .= '< div id = "nanogong_warning" > '.Display::return_message(get_lang('BrowserDoesNotSupportNanogongPlayer'),'warning').$download_button.'< / div > ';
} elseif(in_array($path_info['extension'],array('mp3', 'ogg','wav'))) {
$js_path = api_get_path(WEB_LIBRARY_PATH).'javascript/';
$html .= '< link rel = "stylesheet" href = "'.$js_path.'jquery-jplayer/skins/blue/jplayer.blue.monday.css" type = "text/css" > ';
//$html .= '< link rel = "stylesheet" href = "' . $js_path . 'jquery-jplayer/skins/chamilo/jplayer.blue.monday.css" type = "text/css" > ';
$html .= '< script type = "text/javascript" src = "'.$js_path.'jquery-jplayer/jquery.jplayer.min.js" > < / script > ';
$html .= '< div class = "nanogong_player" > < / div > ';
$html .= '< br / > < div class = "action_player" > '.$actions.'< / div > < br / > < br / > < br / > ';
$params = array('url' => $url,
'extension' =>$path_info['extension'],
'count'=> 1
'count'=> 1
);
$jquery = DocumentManager::generate_jplayer_jquery($params);
$html .= '< script >
$(document).ready( function() {
//Experimental changes to preview mp3, ogg files
'.$jquery.'
$(document).ready( function() {
//Experimental changes to preview mp3, ogg files
'.$jquery.'
});
< / script > ';
< / script > ';
$html .= DocumentManager::generate_media_preview(1, 'advanced');
}
}
return $html;
}
/*
var filename = document.getElementById("audio_title").value+".wav";
var filename = filename.replace(/\s/g, "_");//replace spaces by _
@ -393,7 +390,7 @@ class Nanogong {
var course_code="'.urlencode($course_code).'";
var urlnanogong="'.$url.'?filename="+filename+"&filepath="+filepath+"&dir="+dir+"&course_code="+course_code;
*/
/**
* Returns the nanogong javascript code
* @return string
@ -402,13 +399,13 @@ class Nanogong {
$params = $this->get_params(true);
$url = api_get_path(WEB_AJAX_PATH).'nanogong.ajax.php?a=save_file&'.$params.'&is_nano=1';
$url_load_file = api_get_path(WEB_AJAX_PATH).'nanogong.ajax.php?a=show_audio&'.$params;
$url_delete = api_get_path(WEB_AJAX_PATH).'nanogong.ajax.php?a=delete&'.$params;
$js = '< script language = "javascript" >
//lang vars
var lang_no_applet = "'.get_lang('NanogongNoApplet').'";
var lang_record_before_save = "'.get_lang('NanogongRecordBeforeSave').'";
var lang_give_a_title = "'.get_lang('NanogongGiveTitle').'";
@ -417,102 +414,102 @@ class Nanogong {
var lang_deleted = "'.get_lang('Deleted').'";
var is_nano = 0;
function check_gong() {
//var record = document.getElementById("nanogong");
var recorder;
var recorder;
var java_enabled = navigator.javaEnabled()
return java_enabled;
}
return java_enabled;
}
function show_simple_upload_form() {
$("#no_nanogong_div").show();
//$("#nanogong_div").hide();
$("#preview").hide();
}
$(document).ready( function() {
$(document).ready( function() {
$("#no_nanogong_div").hide();
$("#nanogong_div").hide();
var check_js = check_gong();
if (check_js == true) {
$("#nanogong_div").show();
$("#no_nanogong_div").hide();
is_nano = 1;
$(".nanogong_player").show();
$(".nanogong_player").show();
} else {
$("#no_nanogong_div").show();
$("#nanogong_div").hide();
$(".nanogong_player").hide();
}
//show always the mp3/ogg upload form (for dev purposes)
//$("#no_nanogong_div").show();
//$("#nanogong_div").hide();
//$("#nanogong_div").hide();
});
function delete_file() {
$.ajax({
url: "'.$url_delete.'",
success:function(data) {
$("#status_warning").hide();
$("#status_ok").hide();
$("#messages").html(data);
$("#messages").show();
$("#preview").hide();
$("#preview").hide();
}
});
}
function upload_file() {
$("#form_nanogong_simple").submit();
}
}
function send_voice() {
$("#status_warning").hide();
$("#status_ok").hide();
$("#messages").hide();
var check_js = check_gong();
var check_js = check_gong();
var recorder = document.getElementById("nanogong");
if (!recorder || !check_js) {
//alert(lang_no_applet)
$("#status_warning").html(lang_no_applet);
$("#status_warning").show();
//Show form
$("#no_nanogong_div").show();
$("#nanogong_div").hide();
$("#no_nanogong_div").show();
$("#nanogong_div").hide();
return false;
}
var duration = parseInt(recorder.sendGongRequest("GetMediaDuration", "audio")) || 0;
if (duration < = 0) {
$("#status_warning").html(lang_record_before_save);
$("#status_warning").show();
return false;
}
return false;
}
var applet = document.getElementById("nanogong");
var ret = applet.sendGongRequest("PostToForm", "'.$url.'", "file", "", "temp"); // PostToForm, postURL, inputname, cookie, filename
if (ret == 1) {
if (ret == 1) {
$("#status_ok").html(lang_submitted);
$("#status_ok").show();
$("#status_ok").show();
$.ajax({
url:"'.$url_load_file.'& is_nano="+is_nano,
success: function(data){
success: function(data){
$("#preview").html(data);
$("#preview").show();
}
});
$("#preview").show();
}
});
} else {
//alert(lang_submitted+"\n"+ret);
$("#status_warning").html(lang_failed_to_submit);
@ -523,30 +520,30 @@ class Nanogong {
< / script > ';
return $js;
}
/**
* Returns the HTML form to upload a nano file or upload a file
* Returns the HTML form to upload a nano file or upload a file
*/
function return_form($message = null) {
$params = $this->get_params(true);
$url = api_get_path(WEB_AJAX_PATH).'nanogong.ajax.php?a=save_file&'.$params;
//check browser support and load form
$array_browser = api_browser_support('check_browser');
$preview_file = $this->show_audio_file(true, true);
$preview_file = $this->show_audio_file(true, true);
$preview_file = Display::div($preview_file, array('id' => 'preview', 'style' => 'text-align:center; padding-left: 25px;'));
$html .= '< center > ';
//Use normal upload file
$html .= Display::return_icon('microphone.png', get_lang('PressRecordButton'),'', ICON_SIZE_BIG);
$html .='< br / > ';
$html .= '< div id = "nanogong_div" > ';
$html .= '< applet id = "nanogong" archive = "'.api_get_path(WEB_LIBRARY_PATH).'nanogong/nanogong.jar" code = "gong.NanoGong" width = "250" height = "40" align = "middle" > ';
//echo '< param name = "ShowRecordButton" value = "false" / > '; // default true
// echo '< param name = "ShowSaveButton" value = "false" / > '; //you can save in local computer | (default true)
@ -558,69 +555,69 @@ class Nanogong {
//echo '< param name = "EndTime" value = "65" / > ';
$html .= '< param name = "AudioFormat" value = "ImaADPCM" / > ';// ImaADPCM (more speed), Speex (more compression)|(default Speex)
//$html .= '< param name = "AudioFormat" value = "Speex" / > ';// ImaADPCM (more speed), Speex (more compression)|(default Speex)
//echo '< param name = "SamplingRate" value = "32000" / > ';//Quality for ImaADPCM (low 8000, medium 11025, normal 22050, hight 44100) OR Quality for Speex (low 8000, medium 16000, normal 32000, hight 44100) | (default 44100)
//echo '< param name = "MaxDuration" value = "60" / > ';
//echo '< param name = "SoundFileURL" value = "http://somewhere.com/mysoundfile.wav" / > ';//load a file |(default "")
$html .= '< / applet > ';
$html .= '< br / > < br / > < br / > ';
$html .= '< br / > < br / > < br / > ';
$html .= '< form name = "form_nanogong_advanced" > ';
$html .= '< input type = "hidden" name = "is_nano" value = "1" > ';
$html .= '< a href = "#" class = "btn" onclick = "send_voice()" / > '.get_lang('SendRecord').'< / a > ';
$html .= '< / form > < / div > ';
$html .= '< / form > < / div > ';
$html .= Display::url(get_lang('ProblemsRecordingUploadYourOwnAudioFile'), 'javascript:void(0)', array('onclick' => 'show_simple_upload_form();'));
$html .= '< br / > < br / > < div id = "no_nanogong_div" > ';
//$html .= Display::return_message(get_lang('BrowserNotSupportNanogongSend'), 'warning');
//$html .= Display::return_message(get_lang('BrowserNotSupportNanogongSend'), 'warning');
$html .= '< form id = "form_nanogong_simple" class = "form-search" action = "'.$url.'" name = "form_nanogong" method = "POST" enctype = "multipart/form-data" > ';
$html .= '< input type = "file" name = "file" > ';
$html .= '< a href = "#" class = "btn" onclick = "upload_file()" / > '.get_lang('UploadFile').'< / a > ';
$html .= '< / form > ';
$html .= '< / div > ';
$html .= '< / form > ';
$html .= '< / div > ';
$html .= '< / center > ';
$html .= '< div style = "display:none" id = "status_ok" class = "confirmation-message" > < / div > < div style = "display:none" id = "status_warning" class = "warning-message" > < / div > ';
$html .= '< div id = "messages" > '.$message.'< / div > ';
$html .= $preview_file;
return $html;
}
function get_params($return_as_query = false) {
if (empty($this->params)) {
return false;
}
}
if ($return_as_query) {
return http_build_query($this->params);
}
return $this->params;
return $this->params;
}
function get_param_value($attribute) {
if (isset($this->params[$attribute])) {
return $this->params[$attribute];
}
}
/**
* Show a button to load the form
* @return string
*/
function show_button() {
$params_string = $this->get_params(true);
$html .= '< br / > '.Display::url(get_lang('RecordAnswer'),api_get_path(WEB_AJAX_PATH).'nanogong.ajax.php?a=show_form& '.$params_string.'& TB_iframe=true& height=400& width=500',
function show_button() {
$params_string = $this->get_params(true);
$html .= '< br / > '.Display::url(get_lang('RecordAnswer'),api_get_path(WEB_AJAX_PATH).'nanogong.ajax.php?a=show_form& '.$params_string.'& TB_iframe=true& height=400& width=500',
array('class'=>'btn thickbox'));
$html .= '< br / > < br / > '.Display::return_message(get_lang('UseTheMessageBelowToAddSomeComments'));
$html .= '< br / > < br / > '.Display::return_message(get_lang('UseTheMessageBelowToAddSomeComments'));
return $html;
}
}
}
}
Julio Montoya
12 years ago