mirrored from git://git.moodle.org/moodle.git
/
assignment.class.php
1236 lines (1018 loc) · 49.6 KB
/
assignment.class.php
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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Assignment upload type implementation
*
* @package mod-assignment
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require_once(dirname(__FILE__).'/upload_form.php');
require_once($CFG->libdir . '/portfoliolib.php');
require_once($CFG->dirroot . '/mod/assignment/lib.php');
define('ASSIGNMENT_STATUS_SUBMITTED', 'submitted'); // student thinks it is finished
define('ASSIGNMENT_STATUS_CLOSED', 'closed'); // teacher prevents more submissions
/**
* Extend the base assignment class for assignments where you upload a single file
*
*/
class assignment_upload extends assignment_base {
function assignment_upload($cmid='staticonly', $assignment=NULL, $cm=NULL, $course=NULL) {
parent::assignment_base($cmid, $assignment, $cm, $course);
$this->type = 'upload';
}
function view() {
global $USER, $OUTPUT;
require_capability('mod/assignment:view', $this->context);
$cansubmit = has_capability('mod/assignment:submit', $this->context);
add_to_log($this->course->id, 'assignment', 'view', "view.php?id={$this->cm->id}", $this->assignment->id, $this->cm->id);
$this->view_header();
if ($this->assignment->timeavailable > time()
and !has_capability('mod/assignment:grade', $this->context) // grading user can see it anytime
and $this->assignment->var3) { // force hiding before available date
echo $OUTPUT->box_start('generalbox boxaligncenter', 'intro');
print_string('notavailableyet', 'assignment');
echo $OUTPUT->box_end();
} else {
$this->view_intro();
}
$this->view_dates();
if (is_enrolled($this->context, $USER)) {
if ($submission = $this->get_submission($USER->id)) {
$filecount = $this->count_user_files($submission->id);
} else {
$filecount = 0;
}
if ($cansubmit or !empty($filecount)) { //if a user has submitted files using a previous role we should still show the files
$this->view_feedback();
if (!$this->drafts_tracked() or !$this->isopen() or $this->is_finalized($submission)) {
echo $OUTPUT->heading(get_string('submission', 'assignment'), 3);
} else {
echo $OUTPUT->heading(get_string('submissiondraft', 'assignment'), 3);
}
if ($filecount and $submission) {
echo $OUTPUT->box($this->print_user_files($USER->id, true), 'generalbox boxaligncenter', 'userfiles');
} else {
if (!$this->isopen() or $this->is_finalized($submission)) {
echo $OUTPUT->box(get_string('nofiles', 'assignment'), 'generalbox boxaligncenter nofiles', 'userfiles');
} else {
echo $OUTPUT->box(get_string('nofilesyet', 'assignment'), 'generalbox boxaligncenter nofiles', 'userfiles');
}
}
$this->view_upload_form();
if ($this->notes_allowed()) {
echo $OUTPUT->heading(get_string('notes', 'assignment'), 3);
$this->view_notes();
}
$this->view_final_submission();
}
}
$this->view_footer();
}
function view_feedback($submission=NULL) {
global $USER, $CFG, $DB, $OUTPUT, $PAGE;
require_once($CFG->libdir.'/gradelib.php');
require_once("$CFG->dirroot/grade/grading/lib.php");
if (!$submission) { /// Get submission for this assignment
$userid = $USER->id;
$submission = $this->get_submission($userid);
} else {
$userid = $submission->userid;
}
// Check the user can submit
$canviewfeedback = ($userid == $USER->id && has_capability('mod/assignment:submit', $this->context, $USER->id, false));
// If not then check if the user still has the view cap and has a previous submission
$canviewfeedback = $canviewfeedback || (!empty($submission) && $submission->userid == $USER->id && has_capability('mod/assignment:view', $this->context));
// Or if user can grade (is a teacher or admin)
$canviewfeedback = $canviewfeedback || has_capability('mod/assignment:grade', $this->context);
if (!$canviewfeedback) {
// can not view or submit assignments -> no feedback
return;
}
$grading_info = grade_get_grades($this->course->id, 'mod', 'assignment', $this->assignment->id, $userid);
$item = $grading_info->items[0];
$grade = $item->grades[$userid];
if ($grade->hidden or $grade->grade === false) { // hidden or error
return;
}
if ($grade->grade === null and empty($grade->str_feedback)) { // No grade to show yet
if ($this->count_responsefiles($userid)) { // but possibly response files are present
echo $OUTPUT->heading(get_string('responsefiles', 'assignment'), 3);
$responsefiles = $this->print_responsefiles($userid, true);
echo $OUTPUT->box($responsefiles, 'generalbox boxaligncenter');
}
return;
}
$graded_date = $grade->dategraded;
$graded_by = $grade->usermodified;
/// We need the teacher info
if (!$teacher = $DB->get_record('user', array('id'=>$graded_by))) {
print_error('cannotfindteacher');
}
/// Print the feedback
echo $OUTPUT->heading(get_string('submissionfeedback', 'assignment'), 3);
echo '<table cellspacing="0" class="feedback">';
echo '<tr>';
echo '<td class="left picture">';
echo $OUTPUT->user_picture($teacher);
echo '</td>';
echo '<td class="topic">';
echo '<div class="from">';
echo '<div class="fullname">'.fullname($teacher).'</div>';
echo '<div class="time">'.userdate($graded_date).'</div>';
echo '</div>';
echo '</td>';
echo '</tr>';
echo '<tr>';
echo '<td class="left side"> </td>';
echo '<td class="content">';
$gradestr = '<div class="grade">'. get_string("grade").': '.$grade->str_long_grade. '</div>';
if (!empty($submission) && $controller = get_grading_manager($this->context, 'mod_assignment', 'submission')->get_active_controller()) {
$controller->set_grade_range(make_grades_menu($this->assignment->grade));
echo $controller->render_grade($PAGE, $submission->id, $item, $gradestr, has_capability('mod/assignment:grade', $this->context));
} else {
echo $gradestr;
}
echo '<div class="clearer"></div>';
echo '<div class="comment">';
echo $grade->str_feedback;
echo '</div>';
echo '</tr>';
echo '<tr>';
echo '<td class="left side"> </td>';
echo '<td class="content">';
echo $this->print_responsefiles($userid, true);
echo '</tr>';
echo '</table>';
}
function view_upload_form() {
global $CFG, $USER, $OUTPUT;
$submission = $this->get_submission($USER->id);
if ($this->is_finalized($submission)) {
// no uploading
return;
}
if ($this->can_upload_file($submission)) {
$fs = get_file_storage();
// edit files in another page
if ($submission) {
if ($files = $fs->get_area_files($this->context->id, 'mod_assignment', 'submission', $submission->id, "timemodified", false)) {
$str = get_string('editthesefiles', 'assignment');
} else {
$str = get_string('uploadfiles', 'assignment');
}
} else {
$str = get_string('uploadfiles', 'assignment');
}
echo $OUTPUT->single_button(new moodle_url('/mod/assignment/type/upload/upload.php', array('contextid'=>$this->context->id, 'userid'=>$USER->id)), $str, 'get');
}
}
function view_notes() {
global $USER, $OUTPUT;
if ($submission = $this->get_submission($USER->id)
and !empty($submission->data1)) {
echo $OUTPUT->box(format_text($submission->data1, FORMAT_HTML, array('overflowdiv'=>true)), 'generalbox boxaligncenter boxwidthwide');
} else {
echo $OUTPUT->box(get_string('notesempty', 'assignment'), 'generalbox boxaligncenter');
}
if ($this->can_update_notes($submission)) {
$options = array ('id'=>$this->cm->id, 'action'=>'editnotes');
echo '<div style="text-align:center">';
echo $OUTPUT->single_button(new moodle_url('upload.php', $options), get_string('edit'));
echo '</div>';
}
}
function view_final_submission() {
global $CFG, $USER, $OUTPUT;
$submission = $this->get_submission($USER->id);
if ($this->isopen() and $this->can_finalize($submission)) {
//print final submit button
echo $OUTPUT->heading(get_string('submitformarking','assignment'), 3);
echo '<div style="text-align:center">';
echo '<form method="post" action="upload.php">';
echo '<fieldset class="invisiblefieldset">';
echo '<input type="hidden" name="id" value="'.$this->cm->id.'" />';
echo '<input type="hidden" name="sesskey" value="'.sesskey().'" />';
echo '<input type="hidden" name="action" value="finalize" />';
echo '<input type="submit" name="formarking" value="'.get_string('sendformarking', 'assignment').'" />';
echo '</fieldset>';
echo '</form>';
echo '</div>';
} else if (!$this->isopen()) {
echo $OUTPUT->heading(get_string('nomoresubmissions','assignment'), 3);
} else if ($this->drafts_tracked() and $state = $this->is_finalized($submission)) {
if ($state == ASSIGNMENT_STATUS_SUBMITTED) {
echo $OUTPUT->heading(get_string('submitedformarking','assignment'), 3);
} else {
echo $OUTPUT->heading(get_string('nomoresubmissions','assignment'), 3);
}
} else {
//no submission yet
}
}
/**
* Return true if var3 == hide description till available day
*
*@return boolean
*/
function description_is_hidden() {
return ($this->assignment->var3 && (time() <= $this->assignment->timeavailable));
}
function print_student_answer($userid, $return=false){
global $CFG, $OUTPUT, $PAGE;
$submission = $this->get_submission($userid);
$output = '';
if ($this->drafts_tracked() and $this->isopen() and !$this->is_finalized($submission)) {
$output .= '<strong>'.get_string('draft', 'assignment').':</strong> ';
}
if ($this->notes_allowed() and !empty($submission->data1)) {
$link = new moodle_url("/mod/assignment/type/upload/notes.php", array('id'=>$this->cm->id, 'userid'=>$userid));
$action = new popup_action('click', $link, 'notes', array('height' => 500, 'width' => 780));
$output .= $OUTPUT->action_link($link, get_string('notes', 'assignment'), $action, array('title'=>get_string('notes', 'assignment')));
$output .= ' ';
}
$renderer = $PAGE->get_renderer('mod_assignment');
$output = $OUTPUT->box_start('files').$output;
$output .= $renderer->assignment_files($this->context, $submission->id);
$output .= $OUTPUT->box_end();
return $output;
}
/**
* Produces a list of links to the files uploaded by a user
*
* @param $userid int optional id of the user. If 0 then $USER->id is used.
* @param $return boolean optional defaults to false. If true the list is returned rather than printed
* @return string optional
*/
function print_user_files($userid=0, $return=false) {
global $CFG, $USER, $OUTPUT, $PAGE;
$mode = optional_param('mode', '', PARAM_ALPHA);
$offset = optional_param('offset', 0, PARAM_INT);
if (!$userid) {
if (!isloggedin()) {
return '';
}
$userid = $USER->id;
}
$output = $OUTPUT->box_start('files');
$submission = $this->get_submission($userid);
// only during grading
if ($this->drafts_tracked() and $this->isopen() and !$this->is_finalized($submission) and !empty($mode)) {
$output .= '<strong>'.get_string('draft', 'assignment').':</strong><br />';
}
if ($this->notes_allowed() and !empty($submission->data1) and !empty($mode)) { // only during grading
$npurl = $CFG->wwwroot."/mod/assignment/type/upload/notes.php?id={$this->cm->id}&userid=$userid&offset=$offset&mode=single";
$output .= '<a href="'.$npurl.'">'.get_string('notes', 'assignment').'</a><br />';
}
if ($this->drafts_tracked() and $this->isopen() and has_capability('mod/assignment:grade', $this->context) and $mode != '') { // we do not want it on view.php page
if ($this->can_unfinalize($submission)) {
//$options = array ('id'=>$this->cm->id, 'userid'=>$userid, 'action'=>'unfinalize', 'mode'=>$mode, 'offset'=>$offset);
$output .= '<br /><input type="submit" name="unfinalize" value="'.get_string('unfinalize', 'assignment').'" />';
$output .= $OUTPUT->help_icon('unfinalize', 'assignment');
} else if ($this->can_finalize($submission)) {
//$options = array ('id'=>$this->cm->id, 'userid'=>$userid, 'action'=>'finalizeclose', 'mode'=>$mode, 'offset'=>$offset);
$output .= '<br /><input type="submit" name="finalize" value="'.get_string('finalize', 'assignment').'" />';
}
}
if ($submission) {
$renderer = $PAGE->get_renderer('mod_assignment');
$output .= $renderer->assignment_files($this->context, $submission->id);
}
$output .= $OUTPUT->box_end();
if ($return) {
return $output;
}
echo $output;
}
function submissions($mode) {
// redirects out of form to process (un)finalizing.
$unfinalize = optional_param('unfinalize', FALSE, PARAM_TEXT);
$finalize = optional_param('finalize', FALSE, PARAM_TEXT);
if ($unfinalize) {
$this->unfinalize('single');
} else if ($finalize) {
$this->finalize('single');
}
if ($unfinalize || $finalize) {
$mode = 'singlenosave';
}
parent::submissions($mode);
}
function process_feedback() {
if (!$feedback = data_submitted() or !confirm_sesskey()) { // No incoming data?
return false;
}
$userid = required_param('userid', PARAM_INT);
$offset = required_param('offset', PARAM_INT);
$mform = $this->display_submission($offset, $userid, false);
parent::process_feedback($mform);
}
function print_responsefiles($userid, $return=false) {
global $CFG, $USER, $OUTPUT, $PAGE;
$mode = optional_param('mode', '', PARAM_ALPHA);
$offset = optional_param('offset', 0, PARAM_INT);
$output = $OUTPUT->box_start('responsefiles');
$candelete = $this->can_manage_responsefiles();
$strdelete = get_string('delete');
$fs = get_file_storage();
$browser = get_file_browser();
if ($submission = $this->get_submission($userid)) {
$renderer = $PAGE->get_renderer('mod_assignment');
$output .= $renderer->assignment_files($this->context, $submission->id, 'response');
}
$output .= $OUTPUT->box_end();
if ($return) {
return $output;
}
echo $output;
}
/**
* Upload files
* upload_file function requires moodle form instance and file manager options
* @param object $mform
* @param array $options
*/
function upload($mform = null, $filemanager_options = null) {
$action = required_param('action', PARAM_ALPHA);
switch ($action) {
case 'finalize':
$this->finalize();
break;
case 'finalizeclose':
$this->finalizeclose();
break;
case 'unfinalize':
$this->unfinalize();
break;
case 'uploadresponse':
$this->upload_responsefile($mform, $filemanager_options);
break;
case 'uploadfile':
$this->upload_file($mform, $filemanager_options);
case 'savenotes':
case 'editnotes':
$this->upload_notes();
default:
print_error('unknowuploadaction', '', '', $action);
}
}
function upload_notes() {
global $CFG, $USER, $OUTPUT, $DB;
$action = required_param('action', PARAM_ALPHA);
$returnurl = new moodle_url('/mod/assignment/view.php', array('id'=>$this->cm->id));
$mform = new mod_assignment_upload_notes_form();
$defaults = new stdClass();
$defaults->id = $this->cm->id;
if ($submission = $this->get_submission($USER->id)) {
$defaults->text = clean_text($submission->data1);
} else {
$defaults->text = '';
}
$mform->set_data($defaults);
if ($mform->is_cancelled()) {
$returnurl = new moodle_url('/mod/assignment/view.php', array('id'=>$this->cm->id));
redirect($returnurl);
}
if (!$this->can_update_notes($submission)) {
$this->view_header(get_string('upload'));
echo $OUTPUT->notification(get_string('uploaderror', 'assignment'));
echo $OUTPUT->continue_button($returnurl);
$this->view_footer();
die;
}
if ($data = $mform->get_data() and $action == 'savenotes') {
$submission = $this->get_submission($USER->id, true); // get or create submission
$updated = new stdClass();
$updated->id = $submission->id;
$updated->timemodified = time();
$updated->data1 = $data->text;
$DB->update_record('assignment_submissions', $updated);
add_to_log($this->course->id, 'assignment', 'upload', 'view.php?a='.$this->assignment->id, $this->assignment->id, $this->cm->id);
redirect($returnurl);
$submission = $this->get_submission($USER->id);
$this->update_grade($submission);
}
/// show notes edit form
$this->view_header(get_string('notes', 'assignment'));
echo $OUTPUT->heading(get_string('notes', 'assignment'));
$mform->display();
$this->view_footer();
die;
}
function upload_responsefile($mform, $options) {
global $CFG, $USER, $OUTPUT, $PAGE;
$userid = required_param('userid', PARAM_INT);
$mode = required_param('mode', PARAM_ALPHA);
$offset = required_param('offset', PARAM_INT);
$returnurl = new moodle_url("submissions.php", array('id'=>$this->cm->id,'userid'=>$userid,'mode'=>$mode,'offset'=>$offset)); //not xhtml, just url.
if ($formdata = $mform->get_data() and $this->can_manage_responsefiles()) {
$fs = get_file_storage();
$submission = $this->get_submission($userid, true, true);
if ($formdata = file_postupdate_standard_filemanager($formdata, 'files', $options, $this->context, 'mod_assignment', 'response', $submission->id)) {
$returnurl = new moodle_url("/mod/assignment/submissions.php", array('id'=>$this->cm->id,'userid'=>$formdata->userid,'mode'=>$formdata->mode,'offset'=>$formdata->offset));
redirect($returnurl->out(false));
}
}
$PAGE->set_title(get_string('upload'));
echo $OUTPUT->header();
echo $OUTPUT->notification(get_string('uploaderror', 'assignment'));
echo $OUTPUT->continue_button($returnurl->out(true));
echo $OUTPUT->footer();
die;
}
function upload_file($mform, $options) {
global $CFG, $USER, $DB, $OUTPUT;
$returnurl = new moodle_url('/mod/assignment/view.php', array('id'=>$this->cm->id));
$submission = $this->get_submission($USER->id);
if (!$this->can_upload_file($submission)) {
$this->view_header(get_string('upload'));
echo $OUTPUT->notification(get_string('uploaderror', 'assignment'));
echo $OUTPUT->continue_button($returnurl);
$this->view_footer();
die;
}
if ($formdata = $mform->get_data()) {
$fs = get_file_storage();
$submission = $this->get_submission($USER->id, true); //create new submission if needed
$fs->delete_area_files($this->context->id, 'mod_assignment', 'submission', $submission->id);
$formdata = file_postupdate_standard_filemanager($formdata, 'files', $options, $this->context, 'mod_assignment', 'submission', $submission->id);
$updates = new stdClass();
$updates->id = $submission->id;
$updates->timemodified = time();
$DB->update_record('assignment_submissions', $updates);
add_to_log($this->course->id, 'assignment', 'upload',
'view.php?a='.$this->assignment->id, $this->assignment->id, $this->cm->id);
$this->update_grade($submission);
if (!$this->drafts_tracked()) {
$this->email_teachers($submission);
}
// send files to event system
$files = $fs->get_area_files($this->context->id, 'mod_assignment', 'submission', $submission->id);
// Let Moodle know that assessable files were uploaded (eg for plagiarism detection)
$eventdata = new stdClass();
$eventdata->modulename = 'assignment';
$eventdata->cmid = $this->cm->id;
$eventdata->itemid = $submission->id;
$eventdata->courseid = $this->course->id;
$eventdata->userid = $USER->id;
if ($files) {
$eventdata->files = $files;
}
events_trigger('assessable_file_uploaded', $eventdata);
$returnurl = new moodle_url('/mod/assignment/view.php', array('id'=>$this->cm->id));
redirect($returnurl);
}
$this->view_header(get_string('upload'));
echo $OUTPUT->notification(get_string('uploaderror', 'assignment'));
echo $OUTPUT->continue_button($returnurl);
$this->view_footer();
die;
}
function send_file($filearea, $args) {
global $CFG, $DB, $USER;
require_once($CFG->libdir.'/filelib.php');
require_login($this->course, false, $this->cm);
if ($filearea === 'submission') {
$submissionid = (int)array_shift($args);
if (!$submission = $DB->get_record('assignment_submissions', array('assignment'=>$this->assignment->id, 'id'=>$submissionid))) {
return false;
}
if ($USER->id != $submission->userid and !has_capability('mod/assignment:grade', $this->context)) {
return false;
}
$relativepath = implode('/', $args);
$fullpath = "/{$this->context->id}/mod_assignment/submission/$submission->id/$relativepath";
$fs = get_file_storage();
if (!$file = $fs->get_file_by_hash(sha1($fullpath)) or $file->is_directory()) {
return false;
}
send_stored_file($file, 0, 0, true); // download MUST be forced - security!
} else if ($filearea === 'response') {
$submissionid = (int)array_shift($args);
if (!$submission = $DB->get_record('assignment_submissions', array('assignment'=>$this->assignment->id, 'id'=>$submissionid))) {
return false;
}
if ($USER->id != $submission->userid and !has_capability('mod/assignment:grade', $this->context)) {
return false;
}
$relativepath = implode('/', $args);
$fullpath = "/{$this->context->id}/mod_assignment/response/$submission->id/$relativepath";
$fs = get_file_storage();
if (!$file = $fs->get_file_by_hash(sha1($fullpath)) or $file->is_directory()) {
return false;
}
send_stored_file($file, 0, 0, true);
}
return false;
}
function finalize($forcemode=null) {
global $USER, $DB, $OUTPUT;
$userid = optional_param('userid', $USER->id, PARAM_INT);
$offset = optional_param('offset', 0, PARAM_INT);
$confirm = optional_param('confirm', 0, PARAM_BOOL);
$returnurl = new moodle_url('/mod/assignment/view.php', array('id'=>$this->cm->id));
$submission = $this->get_submission($userid);
if ($forcemode!=null) {
$returnurl = new moodle_url('/mod/assignment/submissions.php',
array('id'=>$this->cm->id,
'userid'=>$userid,
'mode'=>$forcemode,
'offset'=>$offset
));
}
if (!$this->can_finalize($submission)) {
redirect($returnurl->out(false)); // probably already graded, redirect to assignment page, the reason should be obvious
}
if ($forcemode==null) {
if (!data_submitted() or !$confirm or !confirm_sesskey()) {
$optionsno = array('id'=>$this->cm->id);
$optionsyes = array ('id'=>$this->cm->id, 'confirm'=>1, 'action'=>'finalize', 'sesskey'=>sesskey());
$this->view_header(get_string('submitformarking', 'assignment'));
echo $OUTPUT->heading(get_string('submitformarking', 'assignment'));
echo $OUTPUT->confirm(get_string('onceassignmentsent', 'assignment'), new moodle_url('upload.php', $optionsyes),new moodle_url( 'view.php', $optionsno));
$this->view_footer();
die;
}
}
$updated = new stdClass();
$updated->id = $submission->id;
$updated->data2 = ASSIGNMENT_STATUS_SUBMITTED;
$updated->timemodified = time();
$DB->update_record('assignment_submissions', $updated);
add_to_log($this->course->id, 'assignment', 'upload', //TODO: add finalize action to log
'view.php?a='.$this->assignment->id, $this->assignment->id, $this->cm->id);
$submission = $this->get_submission($userid);
$this->update_grade($submission);
$this->email_teachers($submission);
// Trigger assessable_files_done event to show files are complete
$eventdata = new stdClass();
$eventdata->modulename = 'assignment';
$eventdata->cmid = $this->cm->id;
$eventdata->itemid = $submission->id;
$eventdata->courseid = $this->course->id;
$eventdata->userid = $userid;
events_trigger('assessable_files_done', $eventdata);
if ($forcemode==null) {
redirect($returnurl->out(false));
}
}
function finalizeclose() {
global $DB;
$userid = optional_param('userid', 0, PARAM_INT);
$mode = required_param('mode', PARAM_ALPHA);
$offset = required_param('offset', PARAM_INT);
$returnurl = new moodle_url('/mod/assignment/submissions.php', array('id'=>$this->cm->id, 'userid'=>$userid, 'mode'=>$mode, 'offset'=>$offset, 'forcerefresh'=>1));
// create but do not add student submission date
$submission = $this->get_submission($userid, true, true);
if (!data_submitted() or !$this->can_finalize($submission) or !confirm_sesskey()) {
redirect($returnurl); // probably closed already
}
$updated = new stdClass();
$updated->id = $submission->id;
$updated->data2 = ASSIGNMENT_STATUS_CLOSED;
$DB->update_record('assignment_submissions', $updated);
add_to_log($this->course->id, 'assignment', 'upload', //TODO: add finalize action to log
'view.php?a='.$this->assignment->id, $this->assignment->id, $this->cm->id);
$submission = $this->get_submission($userid, false, true);
$this->update_grade($submission);
redirect($returnurl);
}
function unfinalize($forcemode=null) {
global $DB;
$userid = required_param('userid', PARAM_INT);
$mode = required_param('mode', PARAM_ALPHA);
$offset = required_param('offset', PARAM_INT);
if ($forcemode!=null) {
$mode=$forcemode;
}
$returnurl = new moodle_url('/mod/assignment/submissions.php', array('id'=>$this->cm->id, 'userid'=>$userid, 'mode'=>$mode, 'offset'=>$offset, 'forcerefresh'=>1) );
if (data_submitted()
and $submission = $this->get_submission($userid)
and $this->can_unfinalize($submission)
and confirm_sesskey()) {
$updated = new stdClass();
$updated->id = $submission->id;
$updated->data2 = '';
$DB->update_record('assignment_submissions', $updated);
//TODO: add unfinalize action to log
add_to_log($this->course->id, 'assignment', 'view submission', 'submissions.php?id='.$this->cm->id.'&userid='.$userid.'&mode='.$mode.'&offset='.$offset, $this->assignment->id, $this->cm->id);
$submission = $this->get_submission($userid);
$this->update_grade($submission);
}
if ($forcemode==null) {
redirect($returnurl);
}
}
function delete() {
$action = optional_param('action', '', PARAM_ALPHA);
switch ($action) {
case 'response':
$this->delete_responsefile();
break;
default:
$this->delete_file();
}
die;
}
function delete_responsefile() {
global $CFG, $OUTPUT,$PAGE;
$file = required_param('file', PARAM_FILE);
$userid = required_param('userid', PARAM_INT);
$mode = required_param('mode', PARAM_ALPHA);
$offset = required_param('offset', PARAM_INT);
$confirm = optional_param('confirm', 0, PARAM_BOOL);
$returnurl = new moodle_url('/mod/assignment/submissions.php', array('id'=>$this->cm->id, 'userid'=>$userid, 'mode'=>$mode, 'offset'=>$offset));
if (!$this->can_manage_responsefiles()) {
redirect($returnurl);
}
$urlreturn = 'submissions.php';
$optionsreturn = array('id'=>$this->cm->id, 'offset'=>$offset, 'mode'=>$mode, 'userid'=>$userid);
if (!data_submitted() or !$confirm or !confirm_sesskey()) {
$optionsyes = array ('id'=>$this->cm->id, 'file'=>$file, 'userid'=>$userid, 'confirm'=>1, 'action'=>'response', 'mode'=>$mode, 'offset'=>$offset, 'sesskey'=>sesskey());
$PAGE->set_title(get_string('delete'));
echo $OUTPUT->header();
echo $OUTPUT->heading(get_string('delete'));
echo $OUTPUT->confirm(get_string('confirmdeletefile', 'assignment', $file), new moodle_url('delete.php', $optionsyes), new moodle_url($urlreturn, $optionsreturn));
echo $OUTPUT->footer();
die;
}
if ($submission = $this->get_submission($userid)) {
$fs = get_file_storage();
if ($file = $fs->get_file($this->context->id, 'mod_assignment', 'response', $submission->id, '/', $file)) {
$file->delete();
}
}
redirect($returnurl);
}
function delete_file() {
global $CFG, $DB, $OUTPUT, $PAGE;
$file = required_param('file', PARAM_FILE);
$userid = required_param('userid', PARAM_INT);
$confirm = optional_param('confirm', 0, PARAM_BOOL);
$mode = optional_param('mode', '', PARAM_ALPHA);
$offset = optional_param('offset', 0, PARAM_INT);
require_login($this->course->id, false, $this->cm);
if (empty($mode)) {
$urlreturn = 'view.php';
$optionsreturn = array('id'=>$this->cm->id);
$returnurl = new moodle_url('/mod/assignment/view.php', array('id'=>$this->cm->id));
} else {
$urlreturn = 'submissions.php';
$optionsreturn = array('id'=>$this->cm->id, 'offset'=>$offset, 'mode'=>$mode, 'userid'=>$userid);
$returnurl = new moodle_url('/mod/assignment/submissions.php', array('id'=>$this->cm->id, 'offset'=>$offset, 'userid'=>$userid));
}
if (!$submission = $this->get_submission($userid) // incorrect submission
or !$this->can_delete_files($submission)) { // can not delete
$this->view_header(get_string('delete'));
echo $OUTPUT->notification(get_string('cannotdeletefiles', 'assignment'));
echo $OUTPUT->continue_button($returnurl);
$this->view_footer();
die;
}
if (!data_submitted() or !$confirm or !confirm_sesskey()) {
$optionsyes = array ('id'=>$this->cm->id, 'file'=>$file, 'userid'=>$userid, 'confirm'=>1, 'sesskey'=>sesskey(), 'mode'=>$mode, 'offset'=>$offset, 'sesskey'=>sesskey());
if (empty($mode)) {
$this->view_header(get_string('delete'));
} else {
$PAGE->set_title(get_string('delete'));
echo $OUTPUT->header();
}
echo $OUTPUT->heading(get_string('delete'));
echo $OUTPUT->confirm(get_string('confirmdeletefile', 'assignment', $file), new moodle_url('delete.php', $optionsyes), new moodle_url($urlreturn, $optionsreturn));
if (empty($mode)) {
$this->view_footer();
} else {
echo $OUTPUT->footer();
}
die;
}
$fs = get_file_storage();
if ($file = $fs->get_file($this->context->id, 'mod_assignment', 'submission', $submission->id, '/', $file)) {
$file->delete();
$submission->timemodified = time();
$DB->update_record('assignment_submissions', $submission);
add_to_log($this->course->id, 'assignment', 'upload', //TODO: add delete action to log
'view.php?a='.$this->assignment->id, $this->assignment->id, $this->cm->id);
$this->update_grade($submission);
}
redirect($returnurl);
}
function can_upload_file($submission) {
global $USER;
if (is_enrolled($this->context, $USER, 'mod/assignment:submit')
and $this->isopen() // assignment not closed yet
and (empty($submission) or ($submission->userid == $USER->id)) // his/her own submission
and !$this->is_finalized($submission)) { // no uploading after final submission
return true;
} else {
return false;
}
}
function can_manage_responsefiles() {
if (has_capability('mod/assignment:grade', $this->context)) {
return true;
} else {
return false;
}
}
function can_delete_files($submission) {
global $USER;
if (has_capability('mod/assignment:grade', $this->context)) {
return true;
}
if (is_enrolled($this->context, $USER, 'mod/assignment:submit')
and $this->isopen() // assignment not closed yet
and $this->assignment->resubmit // deleting allowed
and $USER->id == $submission->userid // his/her own submission
and !$this->is_finalized($submission)) { // no deleting after final submission
return true;
} else {
return false;
}
}
function drafts_tracked() {
return !empty($this->assignment->var4);
}
/**
* Returns submission status
* @param object $submission - may be empty
* @return string submission state - empty, ASSIGNMENT_STATUS_SUBMITTED or ASSIGNMENT_STATUS_CLOSED
*/
function is_finalized($submission) {
if (!$this->drafts_tracked()) {
return '';
} else if (empty($submission)) {
return '';
} else if ($submission->data2 == ASSIGNMENT_STATUS_SUBMITTED or $submission->data2 == ASSIGNMENT_STATUS_CLOSED) {
return $submission->data2;
} else {
return '';
}
}
function can_unfinalize($submission) {
if(is_bool($submission)) {
return false;
}
if (!$this->drafts_tracked()) {
return false;
}
if (has_capability('mod/assignment:grade', $this->context)
and $this->isopen()
and $this->is_finalized($submission)) {
return true;
} else {
return false;
}
}
function can_finalize($submission) {
global $USER;
if(is_bool($submission)) {
return false;
}
if (!$this->drafts_tracked()) {
return false;
}
if ($this->is_finalized($submission)) {
return false;
}
if (has_capability('mod/assignment:grade', $this->context)) {
return true;
} else if (is_enrolled($this->context, $USER, 'mod/assignment:submit')
and $this->isopen() // assignment not closed yet
and !empty($submission) // submission must exist
and $submission->userid == $USER->id // his/her own submission
and ($this->count_user_files($submission->id)
or ($this->notes_allowed() and !empty($submission->data1)))) { // something must be submitted
return true;
} else {
return false;
}
}
function can_update_notes($submission) {
global $USER;
if (is_enrolled($this->context, $USER, 'mod/assignment:submit')
and $this->notes_allowed() // notesd must be allowed
and $this->isopen() // assignment not closed yet
and (empty($submission) or $USER->id == $submission->userid) // his/her own submission
and !$this->is_finalized($submission)) { // no updateingafter final submission
return true;
} else {
return false;
}
}
function notes_allowed() {
return (boolean)$this->assignment->var2;
}