mirrored from git://git.moodle.org/moodle.git
/
assignment.class.php
1235 lines (1002 loc) · 48.6 KB
/
assignment.class.php
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<?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', $this->context);
add_to_log($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 (has_capability('mod/assignment:submit', $this->context)) {
$filecount = $this->count_user_files($USER->id);
$submission = $this->get_submission($USER->id);
$this->view_feedback();
if (!$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, $OUTPUT;
require_once($CFG->libdir.'/gradelib.php');
if (!$submission) { /// Get submission for this assignment
$submission = $this->get_submission($USER->id);
}
if (empty($submission->timemarked)) { /// Nothing to show, so print nothing
if ($this->count_responsefiles($USER->id)) {
echo $OUTPUT->heading(get_string('responsefiles', 'assignment'), 3);
$responsefiles = $this->print_responsefiles($USER->id, true);
echo $OUTPUT->box($responsefiles, 'generalbox boxaligncenter');
}
return;
}
$grading_info = grade_get_grades($this->course->id, 'mod', 'assignment', $this->assignment->id, $USER->id);
$item = $grading_info->items[0];
$grade = $item->grades[$USER->id];
if ($grade->hidden or $grade->grade === false) { // hidden or error
return;
}
if ($grade->grade === null and empty($grade->str_feedback)) { /// Nothing to show yet
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">';
if ($this->assignment->grade) {
echo '<div class="grade">';
echo get_string("grade").': '.$grade->str_long_grade;
echo '</div>';
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 $this->print_responsefiles($USER->id, true);
echo '</tr>';
echo '</table>';
}
function view_upload_form() {
global $CFG, $USER;
$submission = $this->get_submission($USER->id);
if ($this->is_finalized($submission)) {
// no uploading
return;
}
if ($this->can_upload_file($submission)) {
$mform = new mod_assignment_upload_file_form('upload.php', $this);
$mform->display();
}
}
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), '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() <= $this->assignment->timeavailable));
}
function custom_feedbackform($submission, $return=false) {
global $CFG;
$mode = optional_param('mode', '', PARAM_ALPHA);
$offset = optional_param('offset', 0, PARAM_INT);
$forcerefresh = optional_param('forcerefresh', 0, PARAM_BOOL);
$mform = new mod_assignment_upload_response_form("$CFG->wwwroot/mod/assignment/upload.php", $this);
$mform->set_data(array('id'=>$this->cm->id, 'offset'=>$offset, 'forcerefresh'=>$forcerefresh, 'userid'=>$submission->userid, 'mode'=>$mode));
$output = get_string('responsefiles', 'assignment').': ';
ob_start();
$mform->display();
$output = ob_get_clean();
if ($forcerefresh) {
$output .= $this->update_main_listing($submission);
}
$responsefiles = $this->print_responsefiles($submission->userid, true);
if (!empty($responsefiles)) {
$output .= $responsefiles;
}
if ($return) {
return $output;
}
echo $output;
return;
}
function print_student_answer($userid, $return=false){
global $CFG, $OUTPUT;
$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 .= ' ';
}
$fs = get_file_storage();
$browser = get_file_browser();
if ($files = $fs->get_area_files($this->context->id, 'assignment_submission', $userid, "timemodified", false)) {
foreach ($files as $file) {
$filename = $file->get_filename();
$found = true;
$mimetype = $file->get_mimetype();
$path = file_encode_url($CFG->wwwroot.'/pluginfile.php', '/'.$this->context->id.'/assignment_submission/'.$userid.'/'.$filename);
$output .= '<a href="'.$path.'" ><img class="icon" src="'.$OUTPUT->pix_url(file_mimetype_icon($mimetype)).'" alt="'.$mimetype.'" />'.s($filename).'</a> ';
}
}
$output = '<div class="files">'.$output.'</div>';
$output .= '<br />';
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;
$mode = optional_param('mode', '', PARAM_ALPHA);
$offset = optional_param('offset', 0, PARAM_INT);
if (!$userid) {
if (!isloggedin()) {
return '';
}
$userid = $USER->id;
}
$output = '';
$submission = $this->get_submission($userid);
$candelete = $this->can_delete_files($submission);
$strdelete = get_string('delete');
if ($this->drafts_tracked() and $this->isopen() and !$this->is_finalized($submission) and !empty($mode)) { // only during grading
$output .= '<strong>'.get_string('draft', 'assignment').':</strong><br />';
}
if ($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 />';
}
$fs = get_file_storage();
$browser = get_file_browser();
if ($files = $fs->get_area_files($this->context->id, 'assignment_submission', $userid, "timemodified", false)) {
$button = new portfolio_add_button();
foreach ($files as $file) {
$filename = $file->get_filename();
$mimetype = $file->get_mimetype();
$path = file_encode_url($CFG->wwwroot.'/pluginfile.php', '/'.$this->context->id.'/assignment_submission/'.$userid.'/'.$filename);
$output .= '<a href="'.$path.'" ><img src="'.$OUTPUT->pix_url(file_mimetype_icon($mimetype)).'" class="icon" alt="'.$mimetype.'" />'.s($filename).'</a>';
if ($candelete) {
$delurl = "$CFG->wwwroot/mod/assignment/delete.php?id={$this->cm->id}&file=".rawurlencode($filename)."&userid={$submission->userid}&mode=$mode&offset=$offset";
$output .= '<a href="'.$delurl.'"> '
.'<img title="'.$strdelete.'" src="'.$OUTPUT->pix_url('t/delete') . '" class="iconsmall" alt="" /></a> ';
}
if (has_capability('mod/assignment:exportownsubmission', $this->context)) {
$button->set_callback_options('assignment_portfolio_caller', array('id' => $this->cm->id, 'fileid' => $file->get_id()), '/mod/assignment/locallib.php');
$button->set_format_by_file($file);
$output .= $button->to_html(PORTFOLIO_ADD_ICON_LINK);
}
$output .= '<br />';
}
if (count($files) > 1 && has_capability('mod/assignment:exportownsubmission', $this->context)) {
$button->set_callback_options('assignment_portfolio_caller', array('id' => $this->cm->id), '/mod/assignment/locallib.php');
$button->reset_formats(); // reset what we set before, since it's multi-file
$output .= $button->to_html();
}
}
if ($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 .= $OUTPUT->single_button(new moodle_url('upload.php', $options), get_string('unfinalize', 'assignment'));
} else if ($this->can_finalize($submission)) {
$options = array ('id'=>$this->cm->id, 'userid'=>$userid, 'action'=>'finalizeclose', 'mode'=>$mode, 'offset'=>$offset);
$output .= $OUTPUT->single_button(new moodle_url('upload.php', $options), get_string('finalize', 'assignment'));
}
}
$output = '<div class="files">'.$output.'</div>';
if ($return) {
return $output;
}
echo $output;
}
function print_responsefiles($userid, $return=false) {
global $CFG, $USER, $OUTPUT;
$mode = optional_param('mode', '', PARAM_ALPHA);
$offset = optional_param('offset', 0, PARAM_INT);
$output = '';
$candelete = $this->can_manage_responsefiles();
$strdelete = get_string('delete');
$fs = get_file_storage();
$browser = get_file_browser();
if ($files = $fs->get_area_files($this->context->id, 'assignment_response', $userid, "timemodified", false)) {
foreach ($files as $file) {
$filename = $file->get_filename();
$found = true;
$mimetype = $file->get_mimetype();
$path = file_encode_url($CFG->wwwroot.'/pluginfile.php', '/'.$this->context->id.'/assignment_response/'.$userid.'/'.$filename);
$output .= '<a href="'.$path.'" ><img src="'.$OUTPUT->pix_url(file_mimetype_icon($mimetype)).'" alt="'.$mimetype.'" />'.$filename.'</a>';
if ($candelete) {
$delurl = "$CFG->wwwroot/mod/assignment/delete.php?id={$this->cm->id}&file=".rawurlencode($filename)."&userid=$userid&mode=$mode&offset=$offset&action=response";
$output .= '<a href="'.$delurl.'"> '
.'<img title="'.$strdelete.'" src="'.$OUTPUT->pix_url('t/delete') . '" class="iconsmall" alt=""/></a> ';
}
$output .= ' ';
}
$output = '<div class="responsefiles">'.$output.'</div>';
}
if ($return) {
return $output;
}
echo $output;
}
function upload() {
$action = required_param('action', PARAM_ALPHA);
switch ($action) {
case 'finalize':
$this->finalize();
break;
case 'finalizeclose':
$this->finalizeclose();
break;
case 'unfinalize':
$this->unfinalize();
break;
case 'uploadresponse':
$this->upload_responsefile();
break;
case 'uploadfile':
$this->upload_file();
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);
$returnurl = 'view.php?id='.$this->cm->id;
$mform = new mod_assignment_upload_notes_form();
$defaults = new object();
$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 ($mform->is_cancelled()) {
redirect('view.php?id='.$this->cm->id);
}
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 object();
$updated->id = $submission->id;
$updated->timemodified = time();
$updated->data1 = $data->text;
if ($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);
} else {
$this->view_header(get_string('notes', 'assignment'));
echo $OUTPUT->notification(get_string('notesupdateerror', 'assignment'));
echo $OUTPUT->continue_button($returnurl);
$this->view_footer();
die;
}
}
/// 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() {
global $CFG, $USER, $OUTPUT, $PAGE;
$userid = required_param('userid', PARAM_INT);
$mode = required_param('mode', PARAM_ALPHA);
$offset = required_param('offset', PARAM_INT);
$returnurl = "submissions.php?id={$this->cm->id}&userid=$userid&mode=$mode&offset=$offset";
$mform = new mod_assignment_upload_response_form(null, $this);
if ($mform->get_data() and $this->can_manage_responsefiles()) {
$fs = get_file_storage();
$filename = $mform->get_new_filename('newfile');
if ($filename !== false) {
if (!$fs->file_exists($this->context->id, 'assignment_response', $userid, '/', $filename)) {
if ($file = $mform->save_stored_file('newfile', $this->context->id, 'assignment_response', $userid, '/', $filename, false, $USER->id)) {
redirect($returnurl);
}
}
}
}
$PAGE->set_title(get_string('upload'));
echo $OUTPUT->header();
echo $OUTPUT->notification(get_string('uploaderror', 'assignment'));
echo $OUTPUT->continue_button($returnurl);
echo $OUTPUT->footer();
die;
}
function upload_file() {
global $CFG, $USER, $DB, $OUTPUT;
$returnurl = 'view.php?id='.$this->cm->id;
$filecount = $this->count_user_files($USER->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;
}
$mform = new mod_assignment_upload_file_form('upload.php', $this);
if ($mform->get_data()) {
$fs = get_file_storage();
$filename = $mform->get_new_filename('newfile');
if ($filename !== false) {
if (!$fs->file_exists($this->context->id, 'assignment_submission', $USER->id, '/', $filename)) {
if ($file = $mform->save_stored_file('newfile', $this->context->id, 'assignment_submission', $USER->id, '/', $filename, false, $USER->id)) {
$submission = $this->get_submission($USER->id, true); //create new submission if needed
$submission->timemodified = time();
if ($DB->update_record('assignment_submissions', $submission)) {
add_to_log($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);
}
//trigger event with information about this file.
$eventdata = new object();
$eventdata->component = 'mod/assignment';
$eventdata->course = $this->course;
$eventdata->assignment = $this->assignment;
$eventdata->cm = $this->cm;
$eventdata->user = $USER;
$eventdata->file = $file;
events_trigger('assignment_file_sent', $eventdata);
redirect('view.php?id='.$this->cm->id);
} else {
$file->delete();
}
}
}
}
}
$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);
$userid = (int)array_shift($args);
$relativepath = '/'.implode('/', $args);
$fullpath = $this->context->id.$filearea.$userid.$relativepath;
$fs = get_file_storage();
if (!$file = $fs->get_file_by_hash(sha1($fullpath)) or $file->is_directory()) {
return false;
}
if ($filearea === 'assignment_submission') {
if ($USER->id != $userid and !has_capability('mod/assignment:grade', $this->context)) {
return false;
}
} else if ($filearea === 'assignment_response') {
if ($USER->id != $userid and !has_capability('mod/assignment:grade', $this->context)) {
return false;
}
} else {
return false;
}
send_stored_file($file, 0, 0, true); // download MUST be forced - security!
}
function finalize() {
global $USER, $DB, $OUTPUT;
$confirm = optional_param('confirm', 0, PARAM_BOOL);
$returnurl = 'view.php?id='.$this->cm->id;
$submission = $this->get_submission($USER->id);
if (!$this->can_finalize($submission)) {
redirect($returnurl); // probably already graded, redirect to assignment page, the reason should be obvious
}
if (!data_submitted() or !$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 object();
$updated->id = $submission->id;
$updated->data2 = ASSIGNMENT_STATUS_SUBMITTED;
$updated->timemodified = time();
if ($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 = $this->get_submission($USER->id);
$this->update_grade($submission);
$this->email_teachers($submission);
} else {
$this->view_header(get_string('submitformarking', 'assignment'));
echo $OUTPUT->notification(get_string('finalizeerror', 'assignment'));
echo $OUTPUT->continue_button($returnurl);
$this->view_footer();
die;
}
//trigger event with information about this file.
$eventdata = new object();
$eventdata->component = 'mod/assignment';
$eventdata->course = $this->course;
$eventdata->assignment = $this->assignment;
$eventdata->cm = $this->cm;
$eventdata->user = $USER;
events_trigger('assignment_finalize_sent', $eventdata);
redirect($returnurl);
}
function finalizeclose() {
global $DB;
$userid = optional_param('userid', 0, PARAM_INT);
$mode = required_param('mode', PARAM_ALPHA);
$offset = required_param('offset', PARAM_INT);
$returnurl = "submissions.php?id={$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 object();
$updated->id = $submission->id;
$updated->data2 = ASSIGNMENT_STATUS_CLOSED;
if ($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() {
global $DB;
$userid = required_param('userid', PARAM_INT);
$mode = required_param('mode', PARAM_ALPHA);
$offset = required_param('offset', PARAM_INT);
$returnurl = "submissions.php?id={$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 object();
$updated->id = $submission->id;
$updated->data2 = '';
if ($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->assignment->id, $this->assignment->id, $this->cm->id);
$submission = $this->get_submission($userid);
$this->update_grade($submission);
} else {
$this->view_header(get_string('submitformarking', 'assignment'));
echo $OUTPUT->notification(get_string('unfinalizeerror', 'assignment'));
echo $OUTPUT->continue_button($returnurl);
$this->view_footer();
die;
}
}
redirect($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);
$returnurl = "submissions.php?id={$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;
}
$fs = get_file_storage();
if ($file = $fs->get_file($this->context->id, 'assignment_submission', $userid, '/', $file)) {
if ($file->delete()) {
redirect($returnurl);
}
}
// print delete error
$PAGE->set_title(get_string('delete'));
echo $OUTPUT->header();
echo $OUTPUT->notification(get_string('deletefilefailed', 'assignment'));
echo $OUTPUT->continue_button($returnurl);
echo $OUTPUT->footer();
die;
}
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);
$returnurl = 'view.php?id='.$this->cm->id;
} else {
$urlreturn = 'submissions.php';
$optionsreturn = array('id'=>$this->cm->id, 'offset'=>$offset, 'mode'=>$mode, 'userid'=>$userid);
$returnurl = "submissions.php?id={$this->cm->id}&offset=$offset&mode=$mode&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, 'assignment_submission', $userid, '/', $file)) {
if ($file->delete()) {
$submission->timemodified = time();
if ($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($returnurl);
}
}
// print delete error
if (empty($mode)) {
$this->view_header(get_string('delete'));
} else {
$PAGE->set_title(get_string('delete'));
echo $OUTPUT->header();
}
echo $OUTPUT->notification(get_string('deletefilefailed', 'assignment'));
echo $OUTPUT->continue_button($returnurl);
if (empty($mode)) {
$this->view_footer();
} else {
echo $OUTPUT->footer();
}
die;
}
function can_upload_file($submission) {
global $USER;
if (has_capability('mod/assignment:submit', $this->context) // can submit
and $this->isopen() // assignment not closed yet
and (empty($submission) or $submission->userid == $USER->id) // his/her own submission
and $this->count_user_files($USER->id) < $this->assignment->var1 // file limit not reached
and !$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 (has_capability('mod/assignment:submit', $this->context)
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 (!$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 $USER;
if (!$this->drafts_tracked()) {
return false;
}
if ($this->is_finalized($submission)) {
return false;
}
if (has_capability('mod/assignment:grade', $this->context)) {
return true;
} else if (has_capability('mod/assignment:submit', $this->context) // can 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($USER->id)
or ($this->notes_allowed() and !empty($submission->data1)))) { // something must be submitted
return true;
} else {
return false;
}
}