/mod/assignment/type/upload/assignment.class.php
PHP | 1083 lines | 828 code | 215 blank | 40 comment | 139 complexity | 5bdc7ba25eb5520a4e8021837198eea1 MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.1, GPL-3.0, BSD-3-Clause, LGPL-2.0
- <?php // $Id: assignment.class.php,v 1.32.2.19 2010/11/09 02:39:18 aparup Exp $
- require_once($CFG->libdir.'/formslib.php');
- define('ASSIGNMENT_STATUS_SUBMITTED', 'submitted'); // student thinks it is finished
- define('ASSIGNMENT_STATUS_CLOSED', 'closed'); // teacher prevents more submissions
- /**
- * Extend the base assignment class for assignments where you upload a single file
- *
- */
- class assignment_upload extends assignment_base {
- function assignment_upload($cmid='staticonly', $assignment=NULL, $cm=NULL, $course=NULL) {
- parent::assignment_base($cmid, $assignment, $cm, $course);
- $this->type = 'upload';
- }
- function view() {
- global $USER;
- 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
- print_simple_box_start('center', '', '', 0, 'generalbox', 'intro');
- print_string('notavailableyet', 'assignment');
- print_simple_box_end();
- } else {
- $this->view_intro();
- }
- $this->view_dates();
- $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)) {
- print_heading(get_string('submission', 'assignment'), '', 3);
- } else {
- print_heading(get_string('submissiondraft', 'assignment'), '', 3);
- }
- if ($filecount and $submission) {
- print_simple_box($this->print_user_files($USER->id, true), 'center');
- } else {
- if (!$this->isopen() or $this->is_finalized($submission)) {
- print_simple_box(get_string('nofiles', 'assignment'), 'center');
- } else {
- print_simple_box(get_string('nofilesyet', 'assignment'), 'center');
- }
- }
- if (has_capability('mod/assignment:submit', $this->context)) {
- $this->view_upload_form();
- }
- if ($this->notes_allowed()) {
- print_heading(get_string('notes', 'assignment'), '', 3);
- $this->view_notes();
- }
- $this->view_final_submission();
- $this->view_footer();
- }
- function view_feedback($submission=NULL) {
- global $USER, $CFG;
- require_once($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)) {
- print_heading(get_string('responsefiles', 'assignment', $this->course->teacher), '', 3);
- $responsefiles = $this->print_responsefiles($USER->id, true);
- print_simple_box($responsefiles, 'center');
- }
- 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 = get_record('user', 'id', $graded_by)) {
- error('Could not find the teacher');
- }
- /// Print the feedback
- print_heading(get_string('submissionfeedback', 'assignment'), '', 3);
- echo '<table cellspacing="0" class="feedback">';
- echo '<tr>';
- echo '<td class="left picture">';
- print_user_picture($teacher, $this->course->id, $teacher->picture);
- echo '</td>';
- echo '<td class="topic">';
- echo '<div class="from">';
- echo '<div class="fullname">'.fullname($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);
- $struploadafile = get_string('uploadafile');
- $maxbytes = $this->assignment->maxbytes == 0 ? $this->course->maxbytes : $this->assignment->maxbytes;
- $strmaxsize = get_string('maxsize', '', display_size($maxbytes));
- if ($this->is_finalized($submission)) {
- // no uploading
- return;
- }
- if ($this->can_upload_file($submission)) {
- echo '<div style="text-align:center">';
- echo '<form enctype="multipart/form-data" method="post" action="upload.php">';
- echo '<fieldset class="invisiblefieldset">';
- echo "<p>$struploadafile ($strmaxsize)</p>";
- echo '<input type="hidden" name="id" value="'.$this->cm->id.'" />';
- echo '<input type="hidden" name="sesskey" value="'.sesskey().'" />';
- echo '<input type="hidden" name="action" value="uploadfile" />';
- require_once($CFG->libdir.'/uploadlib.php');
- upload_print_form_fragment(1,array('newfile'),null,false,null,0,$this->assignment->maxbytes,false);
- echo '<input type="submit" name="save" value="'.get_string('uploadthisfile').'" />';
- echo '</fieldset>';
- echo '</form>';
- echo '</div>';
- echo '<br />';
- }
- }
- function view_notes() {
- global $USER;
- if ($submission = $this->get_submission($USER->id)
- and !empty($submission->data1)) {
- print_simple_box(format_text($submission->data1, FORMAT_HTML), 'center', '630px');
- } else {
- print_simple_box(get_string('notesempty', 'assignment'), 'center');
- }
- if ($this->can_update_notes($submission)) {
- $options = array ('id'=>$this->cm->id, 'action'=>'editnotes');
- echo '<div style="text-align:center">';
- print_single_button('upload.php', $options, get_string('edit'), 'post', '_self', false);
- echo '</div>';
- }
- }
- function view_final_submission() {
- global $CFG, $USER;
- $submission = $this->get_submission($USER->id);
- if ($this->isopen() and $this->can_finalize($submission)) {
- //print final submit button
- print_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()) {
- print_heading(get_string('nomoresubmissions','assignment'), '', 3);
- } else if ($this->drafts_tracked() and $state = $this->is_finalized($submission)) {
- if ($state == ASSIGNMENT_STATUS_SUBMITTED) {
- print_heading(get_string('submitedformarking','assignment'), '', 3);
- } else {
- print_heading(get_string('nomoresubmissions','assignment'), '', 3);
- }
- } else {
- //no submission yet
- }
- }
- /**
- * Return true if var3 == hide description till available day
- *
- *@return boolean
- */
- function description_is_hidden() {
- return ($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);
- $output = get_string('responsefiles', 'assignment').': ';
- $output .= '<form enctype="multipart/form-data" method="post" '.
- "action=\"$CFG->wwwroot/mod/assignment/upload.php\">";
- $output .= '<div>';
- $output .= '<input type="hidden" name="id" value="'.$this->cm->id.'" />';
- $output .= '<input type="hidden" name="action" value="uploadresponse" />';
- $output .= '<input type="hidden" name="mode" value="'.$mode.'" />';
- $output .= '<input type="hidden" name="offset" value="'.$offset.'" />';
- $output .= '<input type="hidden" name="userid" value="'.$submission->userid.'" />';
- $output .= '<input type="hidden" name="sesskey" value="'.sesskey().'" />';
- require_once($CFG->libdir.'/uploadlib.php');
- $output .= upload_print_form_fragment(1,array('newfile'),null,false,null,0,0,true);
- $output .= '<input type="submit" name="save" value="'.get_string('uploadthisfile').'" />';
- $output .= '</div>';
- $output .= '</form>';
- if ($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;
- $filearea = $this->file_area_name($userid);
- $submission = $this->get_submission($userid);
- $output = '';
- if ($basedir = $this->file_area($userid)) {
- 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)) {
- $output .= link_to_popup_window ('/mod/assignment/type/upload/notes.php?id='.$this->cm->id.'&userid='.$userid,
- 'notes'.$userid, get_string('notes', 'assignment'), 500, 780, get_string('notes', 'assignment'), 'none', true, 'notesbutton'.$userid);
- $output .= ' ';
- }
- if ($files = get_directory_list($basedir, 'responses')) {
- require_once($CFG->libdir.'/filelib.php');
- foreach ($files as $key => $file) {
- $icon = mimeinfo('icon', $file);
- $ffurl = get_file_url("$filearea/$file");
- $output .= '<a href="'.$ffurl.'" ><img class="icon" src="'.$CFG->pixpath.'/f/'.$icon.'" alt="'.$icon.'" />'.$file.'</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;
- $mode = optional_param('mode', '', PARAM_ALPHA);
- $offset = optional_param('offset', 0, PARAM_INT);
- if (!$userid) {
- if (!isloggedin()) {
- return '';
- }
- $userid = $USER->id;
- }
- $filearea = $this->file_area_name($userid);
- $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 />';
- }
- if ($basedir = $this->file_area($userid)) {
- if ($files = get_directory_list($basedir, 'responses')) {
- require_once($CFG->libdir.'/filelib.php');
- foreach ($files as $key => $file) {
- $icon = mimeinfo('icon', $file);
- $ffurl = get_file_url("$filearea/$file");
- $output .= '<a href="'.$ffurl.'" ><img src="'.$CFG->pixpath.'/f/'.$icon.'" class="icon" alt="'.$icon.'" />'.$file.'</a>';
- if ($candelete) {
- $delurl = "$CFG->wwwroot/mod/assignment/delete.php?id={$this->cm->id}&file=$file&userid={$submission->userid}&mode=$mode&offset=$offset";
- $output .= '<a href="'.$delurl.'"> '
- .'<img title="'.$strdelete.'" src="'.$CFG->pixpath.'/t/delete.gif" class="iconsmall" alt="" /></a> ';
- }
- $output .= '<br />';
- }
- }
- }
- if ($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, 'sesskey'=>sesskey());
- $output .= print_single_button('upload.php', $options, get_string('unfinalize', 'assignment'), 'post', '_self', true);
- } else if ($this->can_finalize($submission)) {
- $options = array ('id'=>$this->cm->id, 'userid'=>$userid, 'action'=>'finalizeclose', 'mode'=>$mode, 'offset'=>$offset, 'sesskey'=>sesskey());
- $output .= print_single_button('upload.php', $options, get_string('finalize', 'assignment'), 'post', '_self', true);
- }
- }
- $output = '<div class="files">'.$output.'</div>';
- if ($return) {
- return $output;
- }
- echo $output;
- }
- function print_responsefiles($userid, $return=false) {
- global $CFG, $USER;
- $mode = optional_param('mode', '', PARAM_ALPHA);
- $offset = optional_param('offset', 0, PARAM_INT);
- $filearea = $this->file_area_name($userid).'/responses';
- $output = '';
- $candelete = $this->can_manage_responsefiles();
- $strdelete = get_string('delete');
- if ($basedir = $this->file_area($userid)) {
- $basedir .= '/responses';
- if ($files = get_directory_list($basedir)) {
- require_once($CFG->libdir.'/filelib.php');
- foreach ($files as $key => $file) {
- $icon = mimeinfo('icon', $file);
- $ffurl = get_file_url("$filearea/$file");
- $output .= '<a href="'.$ffurl.'" ><img src="'.$CFG->pixpath.'/f/'.$icon.'" alt="'.$icon.'" />'.$file.'</a>';
- if ($candelete) {
- $delurl = "$CFG->wwwroot/mod/assignment/delete.php?id={$this->cm->id}&file=$file&userid=$userid&mode=$mode&offset=$offset&action=response";
- $output .= '<a href="'.$delurl.'"> '
- .'<img title="'.$strdelete.'" src="'.$CFG->pixpath.'/t/delete.gif" 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':
- $this->upload_notes();
- default:
- error('Error: Unknow upload action ('.$action.').');
- }
- }
- function upload_notes() {
- global $CFG, $USER;
- $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)) {
- $this->view_header(get_string('upload'));
- notify(get_string('uploaderror', 'assignment'));
- print_continue($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 (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 {
- $this->view_header(get_string('notes', 'assignment'));
- notify(get_string('notesupdateerror', 'assignment'));
- print_continue($returnurl);
- $this->view_footer();
- die;
- }
- }
- /// show notes edit form
- $this->view_header(get_string('notes', 'assignment'));
- print_heading(get_string('notes', 'assignment'), '');
- $mform->display();
- $this->view_footer();
- die;
- }
- function upload_responsefile() {
- global $CFG;
- $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";
- if (data_submitted('nomatch') and $this->can_manage_responsefiles() and confirm_sesskey()) {
- $dir = $this->file_area_name($userid).'/responses';
- check_dir_exists($CFG->dataroot.'/'.$dir, true, true);
- require_once($CFG->dirroot.'/lib/uploadlib.php');
- $um = new upload_manager('newfile',false,true,$this->course,false,0,true);
- if (!$um->process_file_uploads($dir)) {
- print_header(get_string('upload'));
- notify(get_string('uploaderror', 'assignment'));
- echo $um->get_errors();
- print_continue($returnurl);
- print_footer('none');
- die;
- }
- }
- redirect($returnurl);
- }
- function upload_file() {
- global $CFG, $USER;
- $mode = optional_param('mode', '', PARAM_ALPHA);
- $offset = optional_param('offset', 0, PARAM_INT);
- $returnurl = 'view.php?id='.$this->cm->id;
- $filecount = $this->count_user_files($USER->id);
- $submission = $this->get_submission($USER->id);
- if (!$this->can_upload_file($submission)) {
- $this->view_header(get_string('upload'));
- notify(get_string('uploaderror', 'assignment'));
- print_continue($returnurl);
- $this->view_footer();
- die;
- }
- $dir = $this->file_area_name($USER->id);
- check_dir_exists($CFG->dataroot.'/'.$dir, true, true); // better to create now so that student submissions do not block it later
- require_once($CFG->dirroot.'/lib/uploadlib.php');
- $um = new upload_manager('newfile',false,true,$this->course,false,$this->assignment->maxbytes,true);
- if ($um->process_file_uploads($dir) and confirm_sesskey()) {
- $submission = $this->get_submission($USER->id, true); //create new submission if needed
- $updated = new object();
- $updated->id = $submission->id;
- $updated->timemodified = time();
- if (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);
- $submission = $this->get_submission($USER->id);
- $this->update_grade($submission);
- if (!$this->drafts_tracked()) {
- $this->email_teachers($submission);
- }
- } else {
- $new_filename = $um->get_new_filename();
- $this->view_header(get_string('upload'));
- notify(get_string('uploadnotregistered', 'assignment', $new_filename));
- print_continue($returnurl);
- $this->view_footer();
- die;
- }
- redirect('view.php?id='.$this->cm->id);
- }
- $this->view_header(get_string('upload'));
- notify(get_string('uploaderror', 'assignment'));
- echo $um->get_errors();
- print_continue($returnurl);
- $this->view_footer();
- die;
- }
- function finalize() {
- global $USER;
- $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'));
- print_heading(get_string('submitformarking', 'assignment'));
- notice_yesno(get_string('onceassignmentsent', 'assignment'), 'upload.php', 'view.php', $optionsyes, $optionsno, 'post', 'get');
- $this->view_footer();
- die;
- }
- $updated = new object();
- $updated->id = $submission->id;
- $updated->data2 = ASSIGNMENT_STATUS_SUBMITTED;
- $updated->timemodified = time();
- if (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 {
- $this->view_header(get_string('submitformarking', 'assignment'));
- notify(get_string('finalizeerror', 'assignment'));
- print_continue($returnurl);
- $this->view_footer();
- die;
- }
- redirect($returnurl);
- }
- function finalizeclose() {
- $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 (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() {
- $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('nomatch')
- and $submission = $this->get_submission($userid)
- and $this->can_unfinalize($submission)
- and confirm_sesskey()) {
- $updated = new object();
- $updated->id = $submission->id;
- $updated->data2 = '';
- if (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 {
- $this->view_header(get_string('submitformarking', 'assignment'));
- notify(get_string('unfinalizeerror', 'assignment'));
- print_continue($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;
- $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'=>$userid);
- if (!data_submitted('nomatch') or !$confirm or !confirm_sesskey()) {
- $optionsyes = array ('id'=>$this->cm->id, 'file'=>$file, 'userid'=>$userid, 'confirm'=>1, 'action'=>'response', 'mode'=>$mode, 'offset'=>$offset, 'sesskey'=>sesskey());
- print_header(get_string('delete'));
- print_heading(get_string('delete'));
- notice_yesno(get_string('confirmdeletefile', 'assignment', $file), 'delete.php', $urlreturn, $optionsyes, $optionsreturn, 'post', 'get');
- print_footer('none');
- die;
- }
- $dir = $this->file_area_name($userid).'/responses';
- $filepath = $CFG->dataroot.'/'.$dir.'/'.$file;
- if (file_exists($filepath)) {
- if (@unlink($filepath)) {
- redirect($returnurl);
- }
- }
- // print delete error
- print_header(get_string('delete'));
- notify(get_string('deletefilefailed', 'assignment'));
- print_continue($returnurl);
- print_footer('none');
- die;
- }
- function delete_file() {
- global $CFG;
- $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
- $this->view_header(get_string('delete'));
- notify(get_string('cannotdeletefiles', 'assignment'));
- print_continue($returnurl);
- $this->view_footer();
- die;
- }
- $dir = $this->file_area_name($userid);
- if (!data_submitted('nomatch') 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 {
- print_header(get_string('delete'));
- }
- print_heading(get_string('delete'));
- notice_yesno(get_string('confirmdeletefile', 'assignment', $file), 'delete.php', $urlreturn, $optionsyes, $optionsreturn, 'post', 'get');
- if (empty($mode)) {
- $this->view_footer();
- } else {
- print_footer('none');
- }
- die;
- }
- $filepath = $CFG->dataroot.'/'.$dir.'/'.$file;
- if (file_exists($filepath)) {
- if (@unlink($filepath)) {
- $updated = new object();
- $updated->id = $submission->id;
- $updated->timemodified = time();
- if (update_record('assignment_submissions', $updated)) {
- add_to_log($this->course->id, 'assignment', 'upload', //TODO: add delete action to log
- 'view.php?a='.$this->assignment->id, $this->assignment->id, $this->cm->id);
- $submission = $this->get_submission($userid);
- $this->update_grade($submission);
- }
- redirect($returnurl);
- }
- }
- // print delete error
- if (empty($mode)) {
- $this->view_header(get_string('delete'));
- } else {
- print_header(get_string('delete'));
- }
- notify(get_string('deletefilefailed', 'assignment'));
- print_continue($returnurl);
- if (empty($mode)) {
- $this->view_footer();
- } else {
- print_footer('none');
- }
- die;
- }
- function can_upload_file($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($submission->data1)))) { // something must be submitted
- return true;
- } else {
- return false;
- }
- }
- function can_update_notes($submission) {
- global $USER;
- if (has_capability('mod/assignment:submit', $this->context)
- 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;
- }
- /**
- * Count the files uploaded by a given user
- *
- * @param $userid int The user id
- * @return int
- */
- function count_user_files($userid) {
- global $CFG;
- $filearea = $this->file_area_name($userid);
- if ( is_dir($CFG->dataroot.'/'.$filearea) && $basedir = $this->file_area($userid)) {
- if ($files = get_directory_list($basedir, 'responses')) {
- return count($files);
- }
- }
- return 0;
- }
- function count_responsefiles($userid) {
- global $CFG;
- $filearea = $this->file_area_name($userid).'/responses';
- if ( is_dir($CFG->dataroot.'/'.$filearea) && $basedir = $this->file_area($userid)) {
- $basedir .= '/responses';
- if ($files = get_directory_list($basedir)) {
- return count($files);
- }
- }
- return 0;
- }
- function setup_elements(&$mform) {
- global $CFG, $COURSE;
- $ynoptions = array( 0 => get_string('no'), 1 => get_string('yes'));
- $choices = get_max_upload_sizes($CFG->maxbytes, $COURSE->maxbytes);
- $choices[0] = get_string('courseuploadlimit') . ' ('.display_size($COURSE->maxbytes).')';
- $mform->addElement('select', 'maxbytes', get_string('maximumsize', 'assignment'), $choices);
- $mform->setDefault('maxbytes', $CFG->assignment_maxbytes);
- $mform->addElement('select', 'resubmit', get_string("allowdeleting", "assignment"), $ynoptions);
- $mform->setHelpButton('resubmit', array('allowdeleting', get_string('allowdeleting', 'assignment'), 'assignment'));
- $mform->setDefault('resubmit', 1);
- $options = array();
- for($i = 1; $i <= 20; $i++) {
- $options[$i] = $i;
- }
- $mform->addElement('select', 'var1', get_string("allowmaxfiles", "assignment"), $options);
- $mform->setHelpButton('var1', array('allowmaxfiles', get_string('allowmaxfiles', 'assignment'), 'assignment'));
- $mform->setDefault('var1', 3);
- $mform->addElement('select', 'var2', get_string("allownotes", "assignment"), $ynoptions);
- $mform->setHelpButton('var2', array('allownotes', get_string('allownotes', 'assignment'), 'assignment'));
- $mform->setDefault('var2', 0);
- $mform->addElement('select', 'var3', get_string("hideintro", "assignment"), $ynoptions);
- $mform->setHelpButton('var3', array('hideintro', get_string('hideintro', 'assignment'), 'assignment'));
- $mform->setDefault('var3', 0);
- $mform->addElement('select', 'emailteachers', get_string("emailteachers", "assignment"), $ynoptions);
- $mform->setHelpButton('emailteachers', array('emailteachers', get_string('emailteachers', 'assignment'), 'assignment'));
- $mform->setDefault('emailteachers', 0);
- $mform->addElement('select', 'var4', get_string("trackdrafts", "assignment"), $ynoptions);
- $mform->setHelpButton('var4', array('trackdrafts', get_string('trackdrafts', 'assignment'), 'assignment'));
- $mform->setDefault('var4', 1);
- }
- }
- class mod_assignment_upload_notes_form extends moodleform {
- function definition() {
- $mform =& $this->_form;
- // visible elements
- $mform->addElement('htmleditor', 'text', get_string('notes', 'assignment'), array('cols'=>85, 'rows'=>30));
- $mform->setType('text', PARAM_RAW); // to be cleaned before display
- $mform->setHelpButton('text', array('reading', 'writing'), false, 'editorhelpbutton');
- // hidden params
- $mform->addElement('hidden', 'id', 0);
- $mform->setType('id', PARAM_INT);
- $mform->addElement('hidden', 'action', 'savenotes');
- $mform->setType('id', PARAM_ALPHA);
- // buttons
- $this->add_action_buttons();
- }
- }
- ?>