Moodle File Manager - Crucial part - moodle

Question

I am trying to show the file uploaded from File Manager mform element. I could store the file to mdl_files. To get the file saved is a bit hard to program. I tried implementing few options from Moodle Forums, but was stuck here. I really hope that someone can provide a solution for Moodle File manager (a crucial part). Could anyone guide me where I went wrong and suggest me to get the fileurl.
<?php
require('config.php');
require_once($CFG->libdir.'/formslib.php');
class active_form extends moodleform {
function definition() {
$mform = $this->_form;
$fileoptions = $this->_customdata['fileoptions'];
$mform->addElement('filemanager', 'video', get_string('video', 'moodle'), null,
$fileoptions);
$this->add_action_buttons();
}
function validation($data, $files) {
$errors = parent::validation($data, $files);
return $errors;
}
}
// Function for local_statistics plugin.
function local_statistics_pluginfile($course, $cm, $context, $filearea, $args, $forcedownload,
array $options=array()) {
global $DB;
if ($context->contextlevel != CONTEXT_SYSTEM) {
return false;
}
$itemid = (int)array_shift($args);
if ($itemid != 0) {
return false;
}
$fs = get_file_storage();
$filename = array_pop($args);
if (empty($args)) {
$filepath = '/';
} else {
$filepath = '/'.implode('/', $args).'/';
}
$file = $fs->get_file($context->id, 'local_statistics', $filearea, $itemid, $filepath,$filename);
if (!$file) {
return false;
}
// finally send the file
send_stored_file($file, 0, 0, true, $options); // download MUST be forced - security!
}
// Form Settings
$fileoptions = array('maxbytes' => 0, 'maxfiles' => 1, 'subdirs' => 0, 'context' =>
context_system::instance());
$data = new stdClass();
$data = file_prepare_standard_filemanager($data, 'video', $fileoptions, context_system::instance(),
'local_statistics', 'video', 0);
$mform = new active_form(null, array('fileoptions' => $fileoptions));
// Form Submission
if ($data = $mform->get_data()) {
$data = file_postupdate_standard_filemanager($data, 'video', $fileoptions,
context_system::instance(), 'local_statistics', 'video', 0);
$fs = get_file_storage();
$files = $fs->get_area_files($context->id, 'local_statistics', 'video', '0', 'sortorder', false);
foreach ($files as $file) {
$fileurl = moodle_url::make_pluginfile_url($file->get_contextid(), $file->get_component(),
$file->get_filearea(), $file->get_itemid(), $file->get_filepath(),
$file->get_filename());
echo $fileurl;
}
}
?>

Answer 1

I've had a quick look through your code and it all looks reasonable, but you've not included the code of the local_statistics_pluginfile() function in local/statistics/lib.php - without that function, Moodle is unable to authenticate any requests from the browser to serve files, so all files will return a 'file not found' message.
Have a look at the documentation for details of what the x_pluginfile function should look like (or look for examples in any of the core plugins in Moodle): https://docs.moodle.org/dev/File_API#Serving_files_to_users