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lib.php
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lib.php
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<?php // $Id: lib.php,v 1.2 2012/03/10 22:00:00 Igor Nikulin Exp $
define('VIDEOBOARD_VIDEOTYPES', json_encode(array("video/quicktime", "video/mp4", "video/3gp", "video/3gpp", "video/x-ms-wmv")));
define('VIDEOBOARD_AUDIOTYPES', json_encode(array("audio/x-wav", "audio/mpeg", "audio/wav", "audio/mp4a", "audio/mp4", "audio/mp3", "audio/3gpp")));
//define('FILTER_ALL', 0);
//define('FILTER_SUBMITTED', 1);
//define('FILTER_REQUIRE_GRADING', 2);
//define('GRADEITEMNUMBER_BEFORE', 0);
//define('GRADEITEMNUMBER_AFTER', 1);
define('VIDEOBOARD_COUNT_WORDS', 1);
define('VIDEOBOARD_COUNT_LETTERS', 2);
function videoboard_add_instance($videoboard)
{
global $USER, $DB;
$videoboard->timemodified = time();
$videoboard->teacher = $USER->id;
$videoboard->id = $DB->insert_record('videoboard', $videoboard);
videoboard_grade_item_update($videoboard);
return $videoboard->id;
}
function videoboard_update_instance($videoboard)
{
global $DB;
$videoboard->timemodified = time();
$videoboard->id = $videoboard->instance;
videoboard_grade_item_update($videoboard);
return $DB->update_record('videoboard', $videoboard);
}
function videoboard_delete_instance($id)
{
global $DB;
if (!$videoboard = $DB->get_record('videoboard', array('id' => $id))) {
return false;
}
$result = true;
if (!$DB->delete_records('videoboard', array('id' => $videoboard->id))) {
$result = false;
}
return $result;
}
function videoboard_cron()
{
global $DB, $CFG;
$arrContextOptions=array(
"ssl"=>array(
"verify_peer"=>false,
"verify_peer_name"=>false,
),
);
if ($data = $DB->get_record_sql("SELECT * FROM {videoboard_process} WHERE `status`='open' LIMIT 1")) {
$CFG->videoboard_convert = 0;
if (in_array($data->type, json_decode(VIDEOBOARD_VIDEOTYPES)))
$CFG->videoboard_convert = $CFG->videoboard_video_convert;
else if (in_array($data->type, json_decode(VIDEOBOARD_AUDIOTYPES)))
$CFG->videoboard_convert = $CFG->videoboard_audio_convert;
//Check converting method local or mserver
if ($CFG->videoboard_convert == 1)
if (strstr($CFG->videoboard_convert_url, "ffmpeg"))
$CFG->videoboard_convert = 2; //local
if ($CFG->videoboard_convert == 1) {
$from = videoboard_getfileid($data->itemid);
$add = new stdClass;
$add->id = $data->id;
$add->status = 'send';
$DB->update_record("videoboard_process", $add);
define('MULTIPART_BOUNDARY', '--------------------------'.microtime(true));
$header = 'Content-Type: multipart/form-data; boundary='.MULTIPART_BOUNDARY;
if (in_array($data->type, json_decode(VIDEOBOARD_AUDIOTYPES)))
define('FORM_FIELD', 'mconverter_wav');
if (in_array($data->type, json_decode(VIDEOBOARD_VIDEOTYPES)))
define('FORM_FIELD', 'mconverter_m4a');
$filename = $from->fullpatch;
$file_contents = file_get_contents($filename);
$content = "--".MULTIPART_BOUNDARY."\r\n".
"Content-Disposition: form-data; name=\"".FORM_FIELD."\"; filename=\"".basename($filename)."\"\r\n".
"Content-Type: application/zip\r\n\r\n".
$file_contents."\r\n";
// add some POST fields to the request too: $_POST['foo'] = 'bar'
$content .= "--".MULTIPART_BOUNDARY."\r\n".
"Content-Disposition: form-data; name=\"name\"\r\n\r\n".
"{$data->name}\r\n";
// signal end of request (note the trailing "--")
$content .= "--".MULTIPART_BOUNDARY."--\r\n";
$context = stream_context_create(array(
'http' => array(
'method' => 'POST',
'header' => $header,
'content' => $content,
),
"ssl"=>array(
"verify_peer"=>false,
"verify_peer_name"=>false,
),
));
file_get_contents($CFG->videoboard_convert_url . '/send.php', false, $context);
/*
$ch = curl_init();
if (in_array($data->type, json_decode(VIDEOBOARD_AUDIOTYPES)))
$datasend = array('name' => $data->name, 'mconverter_wav' => '@' . $from->fullpatch);
if (in_array($data->type, json_decode(VIDEOBOARD_VIDEOTYPES)))
$datasend = array('name' => $data->name, 'mconverter_m4a' => '@' . $from->fullpatch);
curl_setopt($ch, CURLOPT_URL, $CFG->videoboard_convert_url . '/send.php');
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $datasend);
curl_exec($ch);
*/
} else if ($CFG->videoboard_convert == 3) {
/*
$from = videoboard_getfileid($data->itemid);
$add = new stdClass;
$add->id = $data->id;
$add->status = 'send';
$DB->update_record("videoboard_process", $add);
if (in_array($data->type, json_decode(VIDEOBOARD_VIDEOTYPES))) {
if ($item = $DB->get_record("videoboard_files", array("itemoldid" => $data->itemid)))
$table = 'videoboard_files';
else if ($item = $DB->get_record("videoboard_comments", array("itemoldid" => $data->itemid)))
$table = 'videoboard_comments';
@set_include_path($CFG->dirroot . '/mod/videoboard/library');
require_once("Zend/Gdata/ClientLogin.php");
require_once("Zend/Gdata/HttpClient.php");
require_once("Zend/Gdata/YouTube.php");
require_once("Zend/Gdata/App/HttpException.php");
require_once('Zend/Uri/Http.php');
$authenticationURL = 'https://www.google.com/youtube/accounts/ClientLogin';
$httpClient = Zend_Gdata_ClientLogin::getHttpClient(
$username = $CFG->videoboard_youtube_email,
$password = $CFG->videoboard_youtube_password,
$service = 'youtube',
$client = null,
$source = 'VideoBoard',
$loginToken = null,
$loginCaptcha = null,
$authenticationURL);
$yt = new Zend_Gdata_YouTube($httpClient, 'VideoBoard', NULL, $CFG->videoboard_youtube_apikey);
print_r ($yt);
$myVideoEntry = new Zend_Gdata_YouTube_VideoEntry();
/// unlisted upload
$accessControlElement = new Zend_Gdata_App_Extension_Element(
'yt:accessControl', 'yt', 'http://gdata.youtube.com/schemas/2007', ''
);
$accessControlElement->extensionAttributes = array(
array(
'namespaceUri' => '',
'name' => 'action',
'value' => 'list'
),
array(
'namespaceUri' => '',
'name' => 'permission',
'value' => 'denied'
));
$myVideoEntry->extensionElements = array($accessControlElement);
$filesource = $yt->newMediaFileSource($from->fullpatch);
$filesource->setContentType($data->type);
$filesource->setSlug('slug');
$myVideoEntry->setMediaSource($filesource);
$myVideoEntry->setVideoTitle($from->author);
$myVideoEntry->setVideoDescription($from->author);
$myVideoEntry->setVideoCategory('Education');
$myVideoEntry->SetVideoTags('videoboard');
//$myVideoEntry->setVideoDeveloperTags(array($item->id));
//$yt->registerPackage('Zend_Gdata_Geo');
//$yt->registerPackage('Zend_Gdata_Geo_Extension');
//$where = $yt->newGeoRssWhere();
//$position = $yt->newGmlPos('37.0 -122.0');
//$where->point = $yt->newGmlPoint($position);
//$myVideoEntry->setWhere($where);
$uploadUrl = 'http://uploads.gdata.youtube.com/feeds/api/users/default/uploads';
try {
$newEntry = $yt->insertEntry($myVideoEntry, $uploadUrl, 'Zend_Gdata_YouTube_VideoEntry');
} catch (Zend_Gdata_App_HttpException $httpException) {
echo $httpException->getRawResponseBody();
$DB->delete_records('videoboard_process', array('id' => $data->id));
} catch (Zend_Gdata_App_Exception $e) {
echo $e->getMessage();
$DB->delete_records('videoboard_process', array('id' => $data->id));
}
$itemidyoutube = $newEntry->getVideoId();
if (!empty($itemidyoutube))
$DB->set_field($table, "itemyoutube", $itemidyoutube, array("id" => $item->id));
$DB->delete_records('videoboard_process', array('id' => $data->id));
} else {
$DB->delete_records('videoboard_process', array('id' => $data->id));
}
*/
} else if ($CFG->videoboard_convert == 2) {
///Old method
$DB->delete_records('videoboard_process', array('id' => $data->id));
if (!$item = $DB->get_record("videoboard_files", array("itemoldid" => $data->itemid))) {
$item = $DB->get_record("videoboard_comments", array("itemoldid" => $data->itemid));
$table = 'videoboard_comments';
} else
$table = 'videoboard_files';
$student = $DB->get_record("user", array("id" => $item->userid));
$context = context_module::instance($item->instance);
$fs = get_file_storage();
$file_record = new stdClass;
$file_record->component = 'mod_videoboard';
$file_record->contextid = $context->id;
$file_record->userid = $item->userid;
$file_record->filearea = 'private';
$file_record->filepath = "/";
$file_record->itemid = $item->id;
$file_record->license = $CFG->sitedefaultlicense;
$file_record->author = fullname($student);
$file_record->source = '';
if (in_array($data->type, json_decode(VIDEOBOARD_VIDEOTYPES))) {
$from = videoboard_getfileid($data->itemid);
$to = $CFG->dataroot . "/temp/" . $item->filename . ".mp4";
$toimg = $CFG->dataroot . "/temp/" . $item->filename . ".jpg";
videoboard_runExternal("/opt/handbrake/HandBrakeCLI -Z Universal -i {$from->fullpatch} -o {$to} -w 432 -l 320", $code);
videoboard_runExternal("{$CFG->videoboard_convert_url} -i {$to} -f image2 -s 432x320 {$toimg}", $code);
$file_record->filename = $item->filename . ".mp4";
$itemid = $fs->create_file_from_pathname($file_record, $to);
$file_record->filename = $item->filename . ".jpg";
$itemimgid = $fs->create_file_from_pathname($file_record, $toimg);
$DB->set_field($table, "itemid", $itemid->get_id(), array("id" => $item->id));
$DB->set_field($table, "itemimgid", $itemimgid->get_id(), array("id" => $item->id));
unlink($to);
unlink($toimg);
} else if (in_array($data->type, json_decode(VIDEOBOARD_AUDIOTYPES))) {
$from = videoboard_getfileid($data->itemid);
$to = $CFG->dataroot . "/temp/" . $item->filename . ".mp3";
videoboard_runExternal("{$CFG->videoboard_convert_url} -y -i {$from->fullpatch} -acodec libmp3lame -ab 68k -ar 44100 {$to}", $code);
$file_record->filename = $item->filename . ".mp3";
$itemid = $fs->create_file_from_pathname($file_record, $to);
$DB->set_field($table, "itemid", $itemid->get_id(), array("id" => $item->id));
unlink($to);
}
}
}
///Check convert server file ready
if ($dataall = $DB->get_records_sql("SELECT * FROM {videoboard_process} WHERE `status` = 'send'")) {
foreach ($dataall as $data) {
if (!$item = $DB->get_record("videoboard_files", array("itemoldid" => $data->itemid))) {
if (!$item = $DB->get_record("videoboard_comments", array("itemoldid" => $data->itemid))) {
if ($videoboard = $DB->get_record("videoboard", array("fileid" => $data->itemid))) {
$module = $DB->get_record("modules", array("name" => "videoboard"));
$instance = $DB->get_record("course_modules", array("module" => $module->id, "instance" => $videoboard->id));
$item = new stdClass;
$item->userid = $videoboard->teacher;
$item->instance = $instance->id;
$item->id = $videoboard->id;
$item->filename = "videoboard_" . $videoboard->id;
$table = 'videoboard';
} else {
$DB->delete_records('videoboard_process', array('id' => $data->id));
return true;
}
} else {
$table = 'videoboard_comments';
}
} else {
$table = 'videoboard_files';
}
$student = $DB->get_record("user", array("id" => $item->userid));
$context = context_module::instance($item->instance);
$fs = get_file_storage();
$file_record = new stdClass;
$file_record->component = 'mod_videoboard';
$file_record->contextid = $context->id;
$file_record->userid = $item->userid;
$file_record->filearea = 'private';
$file_record->filepath = "/";
$file_record->itemid = $item->id;
$file_record->license = $CFG->sitedefaultlicense;
$file_record->author = fullname($student);
$file_record->source = '';
if (in_array($data->type, json_decode(VIDEOBOARD_VIDEOTYPES)) && $CFG->videoboard_video_convert == 1) {
$json = json_decode(file_get_contents($CFG->videoboard_convert_url . "/get.php?name={$data->name}.mp4", false, stream_context_create($arrContextOptions)));
$jsonimg = json_decode(file_get_contents($CFG->videoboard_convert_url . "/get.php?name={$data->name}.jpg", false, stream_context_create($arrContextOptions)));
} else if ($CFG->videoboard_audio_convert == 1)
$json = json_decode(file_get_contents($CFG->videoboard_convert_url . "/get.php?name={$data->name}.mp3", false, stream_context_create($arrContextOptions)));
if (@!empty($json->url)) {
$DB->delete_records('videoboard_process', array('id' => $data->id));
if (in_array($data->type, json_decode(VIDEOBOARD_VIDEOTYPES))) {
$to = $CFG->dataroot . "/temp/" . $item->filename . ".mp4";
file_put_contents($to, file_get_contents($json->url));
$file_record->filename = $item->filename . ".mp4";
$itemid = $fs->create_file_from_pathname($file_record, $to);
$file = videoboard_getfileid($itemid->get_id());
@chmod($file->fullpatch, 0755);
$DB->set_field($table, "itemid", $itemid->get_id(), array("id" => $item->id));
$toimg = $CFG->dataroot . "/temp/" . $item->filename . ".jpg";
file_put_contents($toimg, file_get_contents($jsonimg->url));
$file_record->filename = $item->filename . ".jpg";
$itemid = $fs->create_file_from_pathname($file_record, $toimg);
$file = videoboard_getfileid($itemid->get_id());
@chmod($file->fullpatch, 0755);
$DB->set_field($table, "itemimgid", $itemid->get_id(), array("id" => $item->id));
} else {
$to = $CFG->dataroot . "/temp/" . $item->filename . ".mp3";
file_put_contents($to, file_get_contents($json->url));
$file_record->filename = $item->filename . ".mp3";
$itemid = $fs->create_file_from_pathname($file_record, $to);
$file = videoboard_getfileid($itemid->get_id());
@chmod($file->fullpatch, 0755);
$DB->set_field($table, "itemid", $itemid->get_id(), array("id" => $item->id));
}
unlink($to);
@unlink($toimg);
break;
}
}
}
return true;
}
function videoboard_supports($feature)
{
switch ($feature) {
case FEATURE_GROUPS:
return true;
case FEATURE_GROUPINGS:
return true;
case FEATURE_GROUPMEMBERSONLY:
return true;
case FEATURE_MOD_INTRO:
return true;
case FEATURE_COMPLETION_TRACKS_VIEWS:
return true;
case FEATURE_GRADE_HAS_GRADE:
return true;
case FEATURE_GRADE_OUTCOMES:
return true;
case FEATURE_GRADE_HAS_GRADE:
return true;
case FEATURE_BACKUP_MOODLE2:
return true;
case FEATURE_SHOW_DESCRIPTION:
return true;
case FEATURE_ADVANCED_GRADING:
return true;
default:
return null;
}
}
function videoboard_grading_areas_list()
{
return array('submission' => get_string('submissions', 'mod_videoboard'));
}
/*
function videoboard_scale_used_anywhere($scaleid) {
global $DB;
if ($scaleid and $DB->record_exists('videoboard', array('grade' => -$scaleid))) {
return true;
} else {
return false;
}
}
*/
/*
function videoboard_install() {
return true;
}
function videoboard_uninstall() {
return true;
}
*/
function videoboard_runExternal($cmd, &$code)
{
$descriptorspec = array(
0 => array("pipe", "r"),
1 => array("pipe", "w"),
2 => array("pipe", "w")
);
$pipes = array();
$process = proc_open($cmd, $descriptorspec, $pipes);
$output = "";
if (!is_resource($process)) return false;
fclose($pipes[0]);
stream_set_blocking($pipes[1], false);
stream_set_blocking($pipes[2], false);
$todo = array($pipes[1], $pipes[2]);
while (true) {
$read = array();
if (!feof($pipes[1])) $read[] = $pipes[1];
if (!feof($pipes[2])) $read[] = $pipes[2];
if (!$read) break;
$ready = stream_select($read, $write = NULL, $ex = NULL, 2);
if ($ready === false) {
break;
}
foreach ($read as $r) {
$s = fread($r, 1024);
$output .= $s;
}
}
fclose($pipes[1]);
fclose($pipes[2]);
$code = proc_close($process);
return $output;
}
function videoboard_sort_table_data($data, $titlesarray, $orderby, $sort)
{
global $USER, $CFG;
$j = 0;
if ($sort) {
foreach ($titlesarray as $titlesarray_) {
if ($titlesarray_ == $sort) {
$orderkey = $j;
}
$j++;
}
} else {
$orderkey = 0;
}
$i = 0;
foreach ($data as $datakey => $datavalue) {
if (!is_array($datavalue[$orderkey])) {
$key = $datavalue[$orderkey];
} else {
$key = $datavalue[$orderkey][1];
}
for ($j = 0; $j < count($datavalue); $j++) {
if (!is_array($datavalue[$j])) {
$newarray[(string)$key][$i][$j] = $datavalue[$j];
} else {
$newarray[(string)$key][$i][$j] = $datavalue[$j][0];
}
}
$i++;
}
if (empty($orderby) || $orderby == "ASC") {
ksort($newarray);
} else {
krsort($newarray);
}
reset($newarray);
foreach ($newarray as $newarray_) {
foreach ($newarray_ as $newarray__) {
$newarraynew = array();
foreach ($newarray__ as $newarray___) {
$newarraynew[] = $newarray___;
}
$finaldata[] = $newarraynew;
}
}
return $finaldata;
}
function videoboard_make_table_headers($titlesarray, $orderby, $sort, $link)
{
global $USER, $CFG;
if ($orderby == "ASC") {
$columndir = "DESC";
$columndirimg = "down";
} else {
$columndir = "ASC";
$columndirimg = "up";
}
foreach ($titlesarray as $titlesarraykey => $titlesarrayvalue) {
if ($sort != $titlesarrayvalue) {
$columnicon = "";
} else {
$iconlink = new moodle_url("/theme/image.php", array("theme" => $CFG->theme, "image" => "t/{$columndirimg}", "rev" => $CFG->themerev));
$columnicon = " <img src=\"{$iconlink}\" alt=\"\" />";
}
if (!empty($titlesarrayvalue)) {
$table->head[] = "<a href=\"" . $link . "&sort=$titlesarrayvalue&orderby=$columndir\">$titlesarraykey</a>$columnicon";
} else {
$table->head[] = "$titlesarraykey";
}
}
return $table->head;
}
function videoboard_set_rait($fileid, $type)
{
global $CFG, $USER, $DB, $videoboard, $id;
$list = $DB->get_record("videoboard_files", array("id" => $fileid));
$cm = get_coursemodule_from_id(NULL, $list->instance);
$context = context_module::instance($cm->id);
$rate = 0;
$cuser = 0;
$rateteacher = 0;
$cteacher = 0;
$deletepeer = "";
$deletelike = "";
if (has_capability('mod/videoboard:teacher', $context))
$deletepeer = html_writer::tag('div', html_writer::link(new moodle_url('/mod/videoboard/deletepeers.php', array("id" => $cm->id, "a" => "delete", "fileid" => $fileid)), get_string("delete", "videoboard")));
if (has_capability('mod/videoboard:teacher', $context))
$deletelike = html_writer::tag('div', html_writer::link(new moodle_url('/mod/videoboard/deletelikes.php', array("id" => $cm->id, "a" => "delete", "fileid" => $fileid)), get_string("delete", "videoboard")));
if ($allvoites = $DB->get_records("videoboard_ratings", array("fileid" => $fileid))) {
foreach ($allvoites as $allvoite) {
if (!has_capability('mod/videoboard:teacher', $context, $allvoite->userid) && !empty($allvoite->rating)) {
$rate += $allvoite->rating;
$cuser++;
}
}
if ($cuser > 0)
$rate = round($rate / $cuser, 1);
foreach ($allvoites as $allvoite) {
if (has_capability('mod/videoboard:teacher', $context, $allvoite->userid) && !empty($allvoite->rating)) {
$rateteacher += $allvoite->rating;
$cteacher++;
}
}
if ($cteacher > 0)
$rateteacher = round($rateteacher / $cteacher, 1);
}
if ($cuser == 0) {
$rate = get_string('norateyet', 'videoboard');
$deletepeer = "";
}
if ($cteacher == 0) $rateteacher = get_string('norateyet', 'videoboard');
/*
* Take from Rubtic
*/
$catdata = $DB->get_record("grade_items", array("courseid" => $cm->course, "iteminstance" => $cm->instance, "itemmodule" => 'videoboard'));
if ($grid = $DB->get_record("grade_grades", array("itemid" => $catdata->id, "userid" => $list->userid)))
$rateteacher = round($grid->finalgrade, 1);
$levels = array("-");
for ($i = 1; $i <= $catdata->grademax; $i++) {
$levels[] = $i;
}
$levelst = array("-");
for ($i = 1; $i <= $videoboard->gradet; $i++) {
$levelst[] = $i;
}
$o = "";
$o .= html_writer::start_tag('div');
if ($currentuserrate = $DB->get_record("videoboard_ratings", array("fileid" => $fileid, "userid" => $list->userid))) {
if ($type == 1) {
if (empty($currentuserrate->ratingrhythm)) $currentuserrate->ratingrhythm = get_string('norateyet', 'videoboard');
$o .= html_writer::tag('small', $currentuserrate->ratingrhythm);
}
if ($type == 2) {
if (empty($currentuserrate->ratingclear)) $currentuserrate->ratingclear = get_string('norateyet', 'videoboard');
$o .= html_writer::tag('small', $currentuserrate->ratingclear);
}
if ($type == 3) {
if (empty($currentuserrate->ratingintonation)) $currentuserrate->ratingintonation = get_string('norateyet', 'videoboard');
$o .= html_writer::tag('small', $currentuserrate->ratingintonation);
}
if ($type == 4) {
if (empty($currentuserrate->ratingspeed)) $currentuserrate->ratingspeed = get_string('norateyet', 'videoboard');
$o .= html_writer::tag('small', $currentuserrate->ratingspeed);
}
if ($type == 5) {
if (empty($currentuserrate->ratingreproduction)) $currentuserrate->ratingreproduction = get_string('norateyet', 'videoboard');
$o .= html_writer::tag('small', $currentuserrate->ratingreproduction);
}
} else {
if ($type < 6) {
$o .= html_writer::tag('small', get_string('norateyet', 'videoboard'));
}
}
if ($type == 6) {
if ($videoboard->grademethod == "like") {
if ($crlike = $DB->count_records("videoboard_likes", array("fileid" => $fileid)))
$o .= html_writer::tag('div', $crlike, array('class' => 'vs-like-grade')) . " " . $deletelike;
} else
$o .= html_writer::tag('small', $rate) . " " . $deletepeer;
}
if ($type == 7) {
if ($USER->id == $list->userid || has_capability('mod/videoboard:teacher', $context))
$o .= html_writer::tag('small', $rateteacher);
else
$o .= html_writer::tag('small', get_string('private', 'videoboard'));
}
if ($USER->id == $list->userid && $type < 6) {
$o .= html_writer::select($levels, 'rating', '', true, array("class" => "videoboard_rate_box", "data-url" => "{$fileid}::{$type}"));
} else if ($USER->id != $list->userid) {
if ($type == 6 && !has_capability('mod/videoboard:teacher', $context)) {
if ($videoboard->grademethod == "like") {
if ($crlike = $DB->get_record("videoboard_likes", array("fileid" => $fileid, "userid" => $USER->id)))
$o .= html_writer::link(new moodle_url('/mod/videoboard/view.php', array("id" => $id, "fileid" => $fileid, "act" => "dellike")), html_writer::empty_tag("img", array("src" => new moodle_url('/mod/videoboard/img/flike.png'), "alt" => get_string("likethis", "videoboard"), "title" => get_string("dislike", "videoboard"), "class" => "vs-like-dis")));
else
$o .= html_writer::link(new moodle_url('/mod/videoboard/view.php', array("id" => $id, "fileid" => $fileid, "act" => "addlike")), html_writer::empty_tag("img", array("src" => new moodle_url('/mod/videoboard/img/flike.png'), "alt" => get_string("likethis", "videoboard"), "title" => get_string("like", "videoboard"))));
} else
$o .= html_writer::select($levels, 'rating', '', true, array("class" => "videoboard_rate_box", "data-url" => "{$fileid}::{$type}")) . "";
}
if ($type == 7 && has_capability('mod/videoboard:teacher', $context) && $videoboard->grademethodt == "default")
$o .= html_writer::select($levelst, 'rating', '', true, array("class" => "videoboard_rate_box", "data-url" => "{$fileid}::{$type}"));
}
$o .= html_writer::end_tag('div');
return $o;
}
function videoboard_get_pages($table, $page, $perpage)
{
global $CFG, $course;
$totalcount = count($table);
$startrec = $page * $perpage;
$finishrec = $startrec + $perpage;
foreach ($table as $key => $value) {
if ($key >= $startrec && $key < $finishrec) {
$viewtable[] = $value;
}
}
return array($totalcount, $viewtable, $startrec, $finishrec, $page);
}
function videoboard_player($ids, $table = "videoboard_files")
{
global $DB, $videoboard_vc;
if (!isset($videoboard_vc)) $videoboard_vc = 0;
$videoboard_vc++;
if ($data = $DB->get_record($table, array("id" => $ids))) {
if (!empty($data->itemyoutube)) {
$o = videoboard_player_youtube($data->itemyoutube, $data->id);
} else if ($data->itemid == 0) {
///Show MOV video file
if ($itemold = $DB->get_record("files", array("id" => $data->itemoldid))) {
if (in_array($itemold->mimetype, json_decode(VIDEOBOARD_VIDEOTYPES))) {
$link = new moodle_url("/pluginfile.php/" . $itemold->contextid . "/mod_videoboard/" . $ids . "/" . $itemold->id . "/" . $itemold->filename);
$o = videoboard_player_video($link, $itemold->mimetype, null, $itemold->id);
} else {
if (!$DB->get_records("videoboard_process", array("itemid" => $data->itemoldid)))
$o = get_string('pleaseerrorinprocess', 'videoboard');
else
$o = get_string('pleasewaitinprocess', 'videoboard');
}
}
} else {
///Show mp4 converted video file
if ($item = $DB->get_record("files", array("id" => $data->itemid))) {
$link = new moodle_url("/pluginfile.php/" . $item->contextid . "/mod_videoboard/" . $ids . "/" . $data->itemid . "/" . $item->filename);
if (in_array($item->mimetype, json_decode(VIDEOBOARD_AUDIOTYPES))) {
$o = videoboard_player_mp3($link, $item->mimetype, $item->id);
} else if (in_array($item->mimetype, json_decode(VIDEOBOARD_VIDEOTYPES))) {
$itemimg = $DB->get_record("files", array("id" => $data->itemimgid));
$linkimg = new moodle_url("/pluginfile.php/" . $itemimg->contextid . "/mod_videoboard/" . $ids . "/" . $data->itemimgid);
$o = videoboard_player_video($link, $item->mimetype, $linkimg, $item->id);
}
}
}
}
return $o;
}
function videoboard_pluginfile($course, $cm, $context, $filearea, $args, $forcedownload)
{
global $DB;
$id = array_shift($args);
if ($context->contextlevel != CONTEXT_MODULE) {
return false;
}
require_login($course, false, $cm);
if (!$videoboard = $DB->get_record('videoboard', array('id' => $cm->instance))) {
return false;
}
$f = get_file_storage();
if ($file_record = $DB->get_record('files', array('id' => $id))) {
$file = $f->get_file_instance($file_record);
videoboard_send_stored_file($file, 86400, 0, false); //forcedownload false
} else {
send_file_not_found();
}
}
function videoboard_is_ios()
{
if (strstr($_SERVER['HTTP_USER_AGENT'], "iPhone") || strstr($_SERVER['HTTP_USER_AGENT'], "iPad"))
return true;
else
return false;
}
function videoboard_getfile($itemid)
{
global $DB, $CFG;
if ($file = $DB->get_record_sql("SELECT * FROM {files} WHERE `itemid`=? AND `filesize` != 0 AND `component` = 'mod_videoboard' AND `filearea` = 'private'", array($itemid))) {
} else if ($file = $DB->get_record_sql("SELECT * FROM {files} WHERE `itemid`=? AND `filesize` != 0 AND `component` = 'user' AND `filearea` = 'public'", array($itemid))) {
} else if ($file = $DB->get_record_sql("SELECT * FROM {files} WHERE `itemid`=? AND `filesize` != 0 AND `component` = 'user' AND `filearea` = 'draft'", array($itemid))) {
$DB->set_field("files", "filearea", "public", array("itemid" => $itemid));
}
if ($file = $DB->get_record_sql("SELECT * FROM {files} WHERE `itemid`=? AND `component` = 'mod_videoboard' AND `filesize` != 0 LIMIT 1", array($itemid))) {
$contenthash = $file->contenthash;
$l1 = $contenthash[0] . $contenthash[1];
$l2 = $contenthash[2] . $contenthash[3];
$filepatch = $CFG->dataroot . "/filedir/$l1/$l2/$contenthash";
$file->fullpatch = $filepatch;
return $file;
} else
return false;
}
function videoboard_getfileid($itemid)
{
global $DB, $CFG;
if ($file = $DB->get_record("files", array("id" => $itemid))) {
$contenthash = $file->contenthash;
$l1 = $contenthash[0] . $contenthash[1];
$l2 = $contenthash[2] . $contenthash[3];
$filepatch = $CFG->dataroot . "/filedir/$l1/$l2/$contenthash";
$file->fullpatch = $filepatch;
return $file;
} else
return false;
}
function videoboard_send_stored_file($stored_file, $lifetime = 86400, $filter = 0, $forcedownload = false, $filename = null, $dontdie = false)
{
global $CFG, $COURSE, $SESSION;
if (!$stored_file or $stored_file->is_directory()) {
// nothing to serve
if ($dontdie) {
return;
}
die;
}
if ($dontdie) {
ignore_user_abort(true);
}
\core\session\manager::write_close(); // unlock session during fileserving
// Use given MIME type if specified, otherwise guess it using mimeinfo.
// IE, Konqueror and Opera open html file directly in browser from web even when directed to save it to disk :-O
// only Firefox saves all files locally before opening when content-disposition: attachment stated
$filename = is_null($filename) ? $stored_file->get_filename() : $filename;
$isFF = core_useragent::check_browser_version('Firefox', '1.5'); // only FF > 1.5 properly tested
$mimetype = ($forcedownload and !$isFF) ? 'application/x-forcedownload' :
($stored_file->get_mimetype() ? $stored_file->get_mimetype() : mimeinfo('type', $filename));
$lastmodified = $stored_file->get_timemodified();
$filesize = $stored_file->get_filesize();
if ($lifetime > 0 && !empty($_SERVER['HTTP_IF_MODIFIED_SINCE'])) {
// get unixtime of request header; clip extra junk off first
$since = strtotime(preg_replace('/;.*$/', '', $_SERVER["HTTP_IF_MODIFIED_SINCE"]));
if ($since && $since >= $lastmodified) {
header('HTTP/1.1 304 Not Modified');
header('Expires: ' . gmdate('D, d M Y H:i:s', time() + $lifetime) . ' GMT');
header('Cache-Control: max-age=' . $lifetime);
header('Content-Type: ' . $mimetype);
if ($dontdie) {
return;
}
die;
}
}
//do not put '@' before the next header to detect incorrect moodle configurations,
//error should be better than "weird" empty lines for admins/users
header('Last-Modified: ' . gmdate('D, d M Y H:i:s', $lastmodified) . ' GMT');
// if user is using IE, urlencode the filename so that multibyte file name will show up correctly on popup
if (core_useragent::check_browser_version('MSIE')) {
$filename = rawurlencode($filename);
}
if ($forcedownload) {
header('Content-Disposition: attachment; filename="' . $filename . '"');
} else {
header('Content-Disposition: inline; filename="' . $filename . '"');
}
header('Cache-Control: max-age=' . $lifetime);
header('Expires: ' . gmdate('D, d M Y H:i:s', time() + $lifetime) . ' GMT');
header('Pragma: ');
header('Accept-Ranges: bytes');
if (!empty($_SERVER['HTTP_RANGE']) && strpos($_SERVER['HTTP_RANGE'], 'bytes=') !== FALSE) {
// byteserving stuff - for acrobat reader and download accelerators
// see: http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.35
// inspired by: http://www.coneural.org/florian/papers/04_byteserving.php
$ranges = false;
if (preg_match_all('/(\d*)-(\d*)/', $_SERVER['HTTP_RANGE'], $ranges, PREG_SET_ORDER)) {
foreach ($ranges as $key => $value) {
if ($ranges[$key][1] == '') {
//suffix case
$ranges[$key][1] = $filesize - $ranges[$key][2];
$ranges[$key][2] = $filesize - 1;
} else if ($ranges[$key][2] == '' || $ranges[$key][2] > $filesize - 1) {
//fix range length
$ranges[$key][2] = $filesize - 1;
}
if ($ranges[$key][2] != '' && $ranges[$key][2] < $ranges[$key][1]) {
//invalid byte-range ==> ignore header
$ranges = false;
break;
}
//prepare multipart header
$ranges[$key][0] = "\r\n--" . BYTESERVING_BOUNDARY . "\r\nContent-Type: $mimetype\r\n";
$ranges[$key][0] .= "Content-Range: bytes {$ranges[$key][1]}-{$ranges[$key][2]}/$filesize\r\n\r\n";
}
} else {
$ranges = false;
}
if ($ranges) {
byteserving_send_file($stored_file->get_content_file_handle(), $mimetype, $ranges, $filesize);
}
}
if (empty($filter)) {
if ($mimetype == 'text/plain') {
header('Content-Type: Text/plain; charset=utf-8'); //add encoding
} else {
header('Content-Type: ' . $mimetype);
}
header('Content-Length: ' . $filesize);
//flush the buffers - save memory and disable sid rewrite
//this also disables zlib compression
videoboard_prepare_file_content_sending();
// send the contents
$stored_file->readfile();