processattempt.php

<?php  // $Id:,v 2.0 2012/05/20 16:10:00 Serafim Panov


    require_once(dirname(__FILE__) . '/../../config.php');
    require_once($CFG->dirroot . '/mod/reader/lib.php');
    require_once($CFG->dirroot . '/mod/reader/accessrules.php');
    require_once($CFG->dirroot . '/mod/reader/attemptlib.php');


    // Remember the current time as the time any responses were submitted
    // (so as to make sure students don't get penalized for slow processing on this page)
    $timenow = time();

    // Get submitted parameters.
    $attemptid                  = required_param('attempt', PARAM_INT);
    $next                       = optional_param('next', false, PARAM_BOOL);
    $thispage                   = optional_param('thispage', 0, PARAM_INT);
    $nextpage                   = optional_param('nextpage', 0, PARAM_INT);
    $finishattempt              = optional_param('finishattempt', 0, PARAM_BOOL);
    $timeup                     = optional_param('timeup', 0, PARAM_BOOL); 
    $scrollpos                  = optional_param('scrollpos', '', PARAM_RAW);
    $likebook                   = optional_param('likebook', NULL, PARAM_CLEAN);

    $transaction = $DB->start_delegated_transaction();
    $attemptobj = reader_attempt::create($attemptid);

    // Set $nexturl now.
    if ($next) {
        $page = $nextpage;
    } else {
        $page = $thispage;
    }
    if ($page == -1) {
        $nexturl = $attemptobj->summary_url();
    } else {
        $nexturl = $attemptobj->attempt_url(0, $page);
        if ($scrollpos !== '') {
            $nexturl->param('scrollpos', $scrollpos);
        }
    }

    // We treat automatically closed attempts just like normally closed attempts
    if ($timeup) {
        $finishattempt = 1;
    }

    // Check login.
    require_login($attemptobj->get_course(), false, $attemptobj->get_cm());
    require_sesskey();

    // Check that this attempt belongs to this user.
    if ($attemptobj->get_userid() != $USER->id) {
        throw new moodle_reader_exception($attemptobj->get_readerobj(), 'notyourattempt');
    }

    //---UPDATE RATING---//
    if (isset($likebook)) {
        $attemptobj->set_rating($likebook);
    }

    // If the attempt is already closed, send them to the review page.
    if ($attemptobj->is_finished()) {
        throw new moodle_reader_exception($attemptobj->get_readerobj(),
                'attemptalreadyclosed', null, $attemptobj->review_url());
    }

    // Don't log - we will end with a redirect to a page that is logged.

    if (!$finishattempt) {
        // Just process the responses for this page and go to the next page.
        try {
            $attemptobj->process_all_actions($timenow);
        } catch (question_out_of_sequence_exception $e) {
            print_error('submissionoutofsequencefriendlymessage', 'question',
                    $attemptobj->attempt_url(0, $thispage));
        }
        $transaction->allow_commit();
        redirect($nexturl);
    }

    // Otherwise, we have been asked to finish attempt, so do that.


    // Update the reader attempt record.
    $attemptobj->finish_attempt($timenow);

    // Send the user to the review page.
    $transaction->allow_commit();

    redirect(new moodle_url('/mod/reader/view.php', array('id'=>$attemptobj->get_cmid())));