PHP assign::get_uniqueid_for_user方法代码示例

    /**
     * Format a column of data for display.
     *
     * @param stdClass $row
     * @return string
     */
    public function col_grade(stdClass $row) {
        $o = '';

        $link = '';
        $separator = $this->output->spacer(array(), true);
        $grade = '';
        $gradingdisabled = $this->assignment->grading_disabled($row->id);

        if (!$this->is_downloading() && $this->hasgrade) {
            $name = fullname($row);
            if ($this->assignment->is_blind_marking()) {
                $name = get_string('hiddenuser', 'assign') .
                        $this->assignment->get_uniqueid_for_user($row->userid);
            }
            $icon = $this->output->pix_icon('gradefeedback',
                                            get_string('gradeuser', 'assign', $name),
                                            'mod_assign');
            $urlparams = array('id' => $this->assignment->get_course_module()->id,
                               'rownum'=>$this->rownum,
                               'action'=>'grade');
            $url = new moodle_url('/mod/assign/view.php', $urlparams);
            $link = $this->output->action_link($url, $icon);
            $grade .= $link . $separator;
        }

        $grade .= $this->display_grade($row->grade,
                                       $this->quickgrading && !$gradingdisabled,
                                       $row->userid,
                                       $row->timemarked);

        return $grade;
    }

 /**
  * Format a column of data for display.
  *
  * @param stdClass $row
  * @return string
  */
 public function col_grade(stdClass $row)
 {
     $o = '';
     $link = '';
     $separator = $this->output->spacer(array(), true);
     $grade = '';
     $gradingdisabled = $this->assignment->grading_disabled($row->id);
     if (!$this->is_downloading() && $this->hasgrade) {
         $urlparams = array('id' => $this->assignment->get_course_module()->id, 'rownum' => 0, 'action' => 'grader');
         if ($this->assignment->is_blind_marking()) {
             $urlparams['blindid'] = $this->assignment->get_uniqueid_for_user($row->userid);
         } else {
             $urlparams['userid'] = $row->userid;
         }
         $url = new moodle_url('/mod/assign/view.php', $urlparams);
         $link = '<a href="' . $url . '" class="btn btn-primary">' . get_string('grade') . '</a>';
         $grade .= $link . $separator;
     }
     $grade .= $this->display_grade($row->grade, $this->quickgrading && !$gradingdisabled, $row->userid, $row->timemarked);
     return $grade;
 }

 /**
  * Add a column with an ID that uniquely identifies this user in this assignment.
  *
  * @param stdClass $row
  * @return string
  */
 public function col_recordid(stdClass $row)
 {
     return get_string('hiddenuser', 'assign') . $this->assignment->get_uniqueid_for_user($row->userid);
 }

 /**
  * Format a column of data for display.
  *
  * @param stdClass $row
  * @return string
  */
 public function col_userid(stdClass $row)
 {
     global $USER;
     $edit = '';
     $actions = array();
     $urlparams = array('id' => $this->assignment->get_course_module()->id, 'rownum' => 0, 'action' => 'grader');
     if ($this->assignment->is_blind_marking()) {
         $urlparams['blindid'] = $this->assignment->get_uniqueid_for_user($row->userid);
     } else {
         $urlparams['userid'] = $row->userid;
     }
     $url = new moodle_url('/mod/assign/view.php', $urlparams);
     $noimage = null;
     if (!$row->grade) {
         $description = get_string('grade');
     } else {
         $description = get_string('updategrade', 'assign');
     }
     $actions['grade'] = new action_menu_link_secondary($url, $noimage, $description);
     // Everything we need is in the row.
     $submission = $row;
     $flags = $row;
     if ($this->assignment->get_instance()->teamsubmission) {
         // Use the cache for this.
         $submission = false;
         $group = false;
         $this->get_group_and_submission($row->id, $group, $submission, -1);
     }
     $submissionsopen = $this->assignment->submissions_open($row->id, true, $submission, $flags, $this->gradinginfo);
     $caneditsubmission = $this->assignment->can_edit_submission($row->id, $USER->id);
     // Hide for offline assignments.
     if ($this->assignment->is_any_submission_plugin_enabled()) {
         if (!$row->status || $row->status == ASSIGN_SUBMISSION_STATUS_DRAFT || !$this->assignment->get_instance()->submissiondrafts) {
             if (!$row->locked) {
                 $urlparams = array('id' => $this->assignment->get_course_module()->id, 'userid' => $row->id, 'action' => 'lock', 'sesskey' => sesskey(), 'page' => $this->currpage);
                 $url = new moodle_url('/mod/assign/view.php', $urlparams);
                 $description = get_string('preventsubmissionsshort', 'assign');
                 $actions['lock'] = new action_menu_link_secondary($url, $noimage, $description);
             } else {
                 $urlparams = array('id' => $this->assignment->get_course_module()->id, 'userid' => $row->id, 'action' => 'unlock', 'sesskey' => sesskey(), 'page' => $this->currpage);
                 $url = new moodle_url('/mod/assign/view.php', $urlparams);
                 $description = get_string('allowsubmissionsshort', 'assign');
                 $actions['unlock'] = new action_menu_link_secondary($url, $noimage, $description);
             }
         }
         if ($submissionsopen && $USER->id != $row->id && $caneditsubmission) {
             $urlparams = array('id' => $this->assignment->get_course_module()->id, 'userid' => $row->id, 'action' => 'editsubmission', 'sesskey' => sesskey(), 'page' => $this->currpage);
             $url = new moodle_url('/mod/assign/view.php', $urlparams);
             $description = get_string('editsubmission', 'assign');
             $actions['editsubmission'] = new action_menu_link_secondary($url, $noimage, $description);
         }
     }
     if (($this->assignment->get_instance()->duedate || $this->assignment->get_instance()->cutoffdate) && $this->hasgrantextension) {
         $urlparams = array('id' => $this->assignment->get_course_module()->id, 'userid' => $row->id, 'action' => 'grantextension', 'sesskey' => sesskey(), 'page' => $this->currpage);
         $url = new moodle_url('/mod/assign/view.php', $urlparams);
         $description = get_string('grantextension', 'assign');
         $actions['grantextension'] = new action_menu_link_secondary($url, $noimage, $description);
     }
     if ($row->status == ASSIGN_SUBMISSION_STATUS_SUBMITTED && $this->assignment->get_instance()->submissiondrafts) {
         $urlparams = array('id' => $this->assignment->get_course_module()->id, 'userid' => $row->id, 'action' => 'reverttodraft', 'sesskey' => sesskey(), 'page' => $this->currpage);
         $url = new moodle_url('/mod/assign/view.php', $urlparams);
         $description = get_string('reverttodraftshort', 'assign');
         $actions['reverttodraft'] = new action_menu_link_secondary($url, $noimage, $description);
     }
     if ($row->status == ASSIGN_SUBMISSION_STATUS_DRAFT && $this->assignment->get_instance()->submissiondrafts && $caneditsubmission && $submissionsopen && $row->id != $USER->id) {
         $urlparams = array('id' => $this->assignment->get_course_module()->id, 'userid' => $row->id, 'action' => 'submitotherforgrading', 'sesskey' => sesskey(), 'page' => $this->currpage);
         $url = new moodle_url('/mod/assign/view.php', $urlparams);
         $description = get_string('submitforgrading', 'assign');
         $actions['submitforgrading'] = new action_menu_link_secondary($url, $noimage, $description);
     }
     $ismanual = $this->assignment->get_instance()->attemptreopenmethod == ASSIGN_ATTEMPT_REOPEN_METHOD_MANUAL;
     $hassubmission = !empty($row->status);
     $notreopened = $hassubmission && $row->status != ASSIGN_SUBMISSION_STATUS_REOPENED;
     $isunlimited = $this->assignment->get_instance()->maxattempts == ASSIGN_UNLIMITED_ATTEMPTS;
     $hasattempts = $isunlimited || $row->attemptnumber < $this->assignment->get_instance()->maxattempts - 1;
     if ($ismanual && $hassubmission && $notreopened && $hasattempts) {
         $urlparams = array('id' => $this->assignment->get_course_module()->id, 'userid' => $row->id, 'action' => 'addattempt', 'sesskey' => sesskey(), 'page' => $this->currpage);
         $url = new moodle_url('/mod/assign/view.php', $urlparams);
         $description = get_string('addattempt', 'assign');
         $actions['addattempt'] = new action_menu_link_secondary($url, $noimage, $description);
     }
     $menu = new action_menu();
     $menu->set_owner_selector('.gradingtable-actionmenu');
     $menu->set_alignment(action_menu::TL, action_menu::BL);
     $menu->set_constraint('.gradingtable > .no-overflow');
     $menu->set_menu_trigger(get_string('edit'));
     foreach ($actions as $action) {
         $menu->add($action);
     }
     // Prioritise the menu ahead of all other actions.
     $menu->prioritise = true;
     $edit .= $this->output->render($menu);
     return $edit;
 }

/**
 * Print recent activity from all assignments in a given course
 *
 * This is used by the recent activity block
 * @param mixed $course the course to print activity for
 * @param bool $viewfullnames boolean to determine whether to show full names or not
 * @param int $timestart the time the rendering started
 * @return bool true if activity was printed, false otherwise.
 */
function assign_print_recent_activity($course, $viewfullnames, $timestart)
{
    global $CFG, $USER, $DB, $OUTPUT;
    require_once $CFG->dirroot . '/mod/assign/locallib.php';
    // Do not use log table if possible, it may be huge.
    $dbparams = array($timestart, $course->id, 'assign', ASSIGN_SUBMISSION_STATUS_SUBMITTED);
    $namefields = user_picture::fields('u', null, 'userid');
    if (!($submissions = $DB->get_records_sql("SELECT asb.id, asb.timemodified, cm.id AS cmid, um.id as recordid,\n                                                     {$namefields}\n                                                FROM {assign_submission} asb\n                                                     JOIN {assign} a      ON a.id = asb.assignment\n                                                     JOIN {course_modules} cm ON cm.instance = a.id\n                                                     JOIN {modules} md        ON md.id = cm.module\n                                                     JOIN {user} u            ON u.id = asb.userid\n                                                LEFT JOIN {assign_user_mapping} um ON um.userid = u.id AND um.assignment = a.id\n                                               WHERE asb.timemodified > ? AND\n                                                     asb.latest = 1 AND\n                                                     a.course = ? AND\n                                                     md.name = ? AND\n                                                     asb.status = ?\n                                            ORDER BY asb.timemodified ASC", $dbparams))) {
        return false;
    }
    $modinfo = get_fast_modinfo($course);
    $show = array();
    $grader = array();
    $showrecentsubmissions = get_config('assign', 'showrecentsubmissions');
    foreach ($submissions as $submission) {
        if (!array_key_exists($submission->cmid, $modinfo->get_cms())) {
            continue;
        }
        $cm = $modinfo->get_cm($submission->cmid);
        if (!$cm->uservisible) {
            continue;
        }
        if ($submission->userid == $USER->id) {
            $show[] = $submission;
            continue;
        }
        $context = context_module::instance($submission->cmid);
        // The act of submitting of assignment may be considered private -
        // only graders will see it if specified.
        if (empty($showrecentsubmissions)) {
            if (!array_key_exists($cm->id, $grader)) {
                $grader[$cm->id] = has_capability('moodle/grade:viewall', $context);
            }
            if (!$grader[$cm->id]) {
                continue;
            }
        }
        $groupmode = groups_get_activity_groupmode($cm, $course);
        if ($groupmode == SEPARATEGROUPS && !has_capability('moodle/site:accessallgroups', $context)) {
            if (isguestuser()) {
                // Shortcut - guest user does not belong into any group.
                continue;
            }
            // This will be slow - show only users that share group with me in this cm.
            if (!$modinfo->get_groups($cm->groupingid)) {
                continue;
            }
            $usersgroups = groups_get_all_groups($course->id, $submission->userid, $cm->groupingid);
            if (is_array($usersgroups)) {
                $usersgroups = array_keys($usersgroups);
                $intersect = array_intersect($usersgroups, $modinfo->get_groups($cm->groupingid));
                if (empty($intersect)) {
                    continue;
                }
            }
        }
        $show[] = $submission;
    }
    if (empty($show)) {
        return false;
    }
    echo $OUTPUT->heading(get_string('newsubmissions', 'assign') . ':', 3);
    foreach ($show as $submission) {
        $cm = $modinfo->get_cm($submission->cmid);
        $context = context_module::instance($submission->cmid);
        $assign = new assign($context, $cm, $cm->course);
        $link = $CFG->wwwroot . '/mod/assign/view.php?id=' . $cm->id;
        // Obscure first and last name if blind marking enabled.
        if ($assign->is_blind_marking()) {
            $submission->firstname = get_string('participant', 'mod_assign');
            if (empty($submission->recordid)) {
                $submission->recordid = $assign->get_uniqueid_for_user($submission->userid);
            }
            $submission->lastname = $submission->recordid;
        }
        print_recent_activity_note($submission->timemodified, $submission, $cm->name, $link, false, $viewfullnames);
    }
    return true;
}

/**
 * Callback called by comment::get_comments() and comment::add(). Gives an opportunity to enforce blind-marking.
 *
 * @param array $comments
 * @param stdClass $options
 * @return array
 * @throws comment_exception
 */
function assignsubmission_comments_comment_display($comments, $options)
{
    global $CFG, $DB, $USER;
    if ($options->commentarea != 'submission_comments' && $options->commentarea != 'submission_comments_upgrade') {
        throw new comment_exception('invalidcommentarea');
    }
    if (!($submission = $DB->get_record('assign_submission', array('id' => $options->itemid)))) {
        throw new comment_exception('invalidcommentitemid');
    }
    $context = $options->context;
    $cm = $options->cm;
    $course = $options->courseid;
    require_once $CFG->dirroot . '/mod/assign/locallib.php';
    $assignment = new assign($context, $cm, $course);
    if ($assignment->get_instance()->id != $submission->assignment) {
        throw new comment_exception('invalidcontext');
    }
    if ($assignment->is_blind_marking() && !empty($comments)) {
        // Blind marking is being used, may need to map unique anonymous ids to the comments.
        $usermappings = array();
        $hiddenuserstr = trim(get_string('hiddenuser', 'assign'));
        $guestuser = guest_user();
        foreach ($comments as $comment) {
            // Anonymize the comments.
            if (empty($usermappings[$comment->userid])) {
                // The blind-marking information for this commenter has not been generated; do so now.
                $anonid = $assignment->get_uniqueid_for_user($comment->userid);
                $commenter = new stdClass();
                $commenter->firstname = $hiddenuserstr;
                $commenter->lastname = $anonid;
                $commenter->picture = 0;
                $commenter->id = $guestuser->id;
                $commenter->email = $guestuser->email;
                $commenter->imagealt = $guestuser->imagealt;
                // Temporarily store blind-marking information for use in later comments if necessary.
                $usermappings[$comment->userid]->fullname = fullname($commenter);
                $usermappings[$comment->userid]->avatar = $assignment->get_renderer()->user_picture($commenter, array('size' => 18, 'link' => false));
            }
            // Set blind-marking information for this comment.
            $comment->fullname = $usermappings[$comment->userid]->fullname;
            $comment->avatar = $usermappings[$comment->userid]->avatar;
            $comment->profileurl = null;
        }
    }
    return $comments;
}

    /**
     * Process an uploaded zip file
     *
     * @param assign $assignment - The assignment instance
     * @param assign_feedback_file $fileplugin - The file feedback plugin
     * @return string - The html response
     */
    public function import_zip_files($assignment, $fileplugin) {
        global $USER, $CFG, $PAGE, $DB;

        @set_time_limit(ASSIGNFEEDBACK_FILE_MAXFILEUNZIPTIME);
        $packer = get_file_packer('application/zip');

        $feedbackfilesupdated = 0;
        $feedbackfilesadded = 0;
        $userswithnewfeedback = array();
        $contextid = $assignment->get_context()->id;

        $fs = get_file_storage();
        $files = $fs->get_directory_files($contextid,
                                          'assignfeedback_file',
                                          ASSIGNFEEDBACK_FILE_IMPORT_FILEAREA,
                                          $USER->id,
                                          '/import/');

        $currentgroup = groups_get_activity_group($assignment->get_course_module(), true);
        $allusers = $assignment->list_participants($currentgroup, false);
        $participants = array();
        foreach ($allusers as $user) {
            $participants[$assignment->get_uniqueid_for_user($user->id)] = $user;
        }

        foreach ($files as $unzippedfile) {
            // Set the timeout for unzipping each file.
            $user = null;
            $plugin = null;
            $filename = '';

            if ($this->is_valid_filename_for_import($assignment, $unzippedfile, $participants, $user, $plugin, $filename)) {
                if ($this->is_file_modified($assignment, $user, $plugin, $filename, $unzippedfile)) {
                    $grade = $assignment->get_user_grade($user->id, true);

                    if ($oldfile = $fs->get_file($contextid,
                                                 'assignfeedback_file',
                                                 ASSIGNFEEDBACK_FILE_FILEAREA,
                                                 $grade->id,
                                                 '/',
                                                 $filename)) {
                        // Update existing feedback file.
                        $oldfile->replace_content_with($unzippedfile);
                        $feedbackfilesupdated++;
                    } else {
                        // Create a new feedback file.
                        $newfilerecord = new stdClass();
                        $newfilerecord->contextid = $contextid;
                        $newfilerecord->component = 'assignfeedback_file';
                        $newfilerecord->filearea = ASSIGNFEEDBACK_FILE_FILEAREA;
                        $newfilerecord->filename = $filename;
                        $newfilerecord->filepath = '/';
                        $newfilerecord->itemid = $grade->id;
                        $fs->create_file_from_storedfile($newfilerecord, $unzippedfile);
                        $feedbackfilesadded++;
                    }
                    $userswithnewfeedback[$user->id] = 1;

                    // Update the number of feedback files for this user.
                    $fileplugin->update_file_count($grade);

                    // Update the last modified time on the grade which will trigger student notifications.
                    $assignment->notify_grade_modified($grade);
                }
            }
        }

        require_once($CFG->dirroot . '/mod/assign/feedback/file/renderable.php');
        $importsummary = new assignfeedback_file_import_summary($assignment->get_course_module()->id,
                                                            count($userswithnewfeedback),
                                                            $feedbackfilesadded,
                                                            $feedbackfilesupdated);

        $assignrenderer = $assignment->get_renderer();
        $renderer = $PAGE->get_renderer('assignfeedback_file');

        $o = '';

        $o .= $assignrenderer->render(new assign_header($assignment->get_instance(),
                                                        $assignment->get_context(),
                                                        false,
                                                        $assignment->get_course_module()->id,
                                                        get_string('uploadzipsummary', 'assignfeedback_file')));

        $o .= $renderer->render($importsummary);

        $o .= $assignrenderer->render_footer();
        return $o;
    }

 /**
  * Process an uploaded zip file
  *
  * @param assign $assignment - The assignment instance
  * @param assign_feedback_file $fileplugin - The file feedback plugin
  * @return string - The html response
  */
 public function import_zip_files($assignment, $fileplugin)
 {
     global $CFG, $PAGE, $DB;
     core_php_time_limit::raise(ASSIGNFEEDBACK_FILE_MAXFILEUNZIPTIME);
     $packer = get_file_packer('application/zip');
     $feedbackfilesupdated = 0;
     $feedbackfilesadded = 0;
     $userswithnewfeedback = array();
     $contextid = $assignment->get_context()->id;
     $fs = get_file_storage();
     $files = $this->get_import_files($contextid);
     $currentgroup = groups_get_activity_group($assignment->get_course_module(), true);
     $allusers = $assignment->list_participants($currentgroup, false);
     $participants = array();
     foreach ($allusers as $user) {
         $participants[$assignment->get_uniqueid_for_user($user->id)] = $user;
     }
     foreach ($files as $unzippedfile) {
         // Set the timeout for unzipping each file.
         $user = null;
         $plugin = null;
         $filename = '';
         if ($this->is_valid_filename_for_import($assignment, $unzippedfile, $participants, $user, $plugin, $filename)) {
             if ($this->is_file_modified($assignment, $user, $plugin, $filename, $unzippedfile)) {
                 $grade = $assignment->get_user_grade($user->id, true);
                 // In 3.1 the default download structure of the submission files changed so that each student had their own
                 // separate folder, the files were not renamed and the folder structure was kept. It is possible that
                 // a user downloaded the submission files in 3.0 (or earlier) and edited the zip to add feedback or
                 // changed the behavior back to the previous format, the following code means that we will still support the
                 // old file structure. For more information please see - MDL-52489 / MDL-56022.
                 $path = pathinfo($filename);
                 if ($path['dirname'] == '.') {
                     // Student submissions are not in separate folders.
                     $basename = $filename;
                     $dirname = "/";
                     $dirnamewslash = "/";
                 } else {
                     $basename = $path['basename'];
                     $dirname = $path['dirname'];
                     $dirnamewslash = $dirname . "/";
                 }
                 if ($oldfile = $fs->get_file($contextid, 'assignfeedback_file', ASSIGNFEEDBACK_FILE_FILEAREA, $grade->id, $dirname, $basename)) {
                     // Update existing feedback file.
                     $oldfile->replace_file_with($unzippedfile);
                     $feedbackfilesupdated++;
                 } else {
                     // Create a new feedback file.
                     $newfilerecord = new stdClass();
                     $newfilerecord->contextid = $contextid;
                     $newfilerecord->component = 'assignfeedback_file';
                     $newfilerecord->filearea = ASSIGNFEEDBACK_FILE_FILEAREA;
                     $newfilerecord->filename = $basename;
                     $newfilerecord->filepath = $dirnamewslash;
                     $newfilerecord->itemid = $grade->id;
                     $fs->create_file_from_storedfile($newfilerecord, $unzippedfile);
                     $feedbackfilesadded++;
                 }
                 $userswithnewfeedback[$user->id] = 1;
                 // Update the number of feedback files for this user.
                 $fileplugin->update_file_count($grade);
                 // Update the last modified time on the grade which will trigger student notifications.
                 $assignment->notify_grade_modified($grade);
             }
         }
     }
     require_once $CFG->dirroot . '/mod/assign/feedback/file/renderable.php';
     $importsummary = new assignfeedback_file_import_summary($assignment->get_course_module()->id, count($userswithnewfeedback), $feedbackfilesadded, $feedbackfilesupdated);
     $assignrenderer = $assignment->get_renderer();
     $renderer = $PAGE->get_renderer('assignfeedback_file');
     $o = '';
     $o .= $assignrenderer->render(new assign_header($assignment->get_instance(), $assignment->get_context(), false, $assignment->get_course_module()->id, get_string('uploadzipsummary', 'assignfeedback_file')));
     $o .= $renderer->render($importsummary);
     $o .= $assignrenderer->render_footer();
     return $o;
 }