<?php
// This file is part of
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

require_once('../../config.php');
require_once('locallib.php');
require_once('lib.php');
require_once('submission_form.php');


$cmid = required_param('cmid', PARAM_INT);            // Course Module ID.
$id = optional_param('id', 0, PARAM_INT);           // Gradeimporter id.
$subid = optional_param('subid', 1, PARAM_INT);       // Submission id.
$update = optional_param('update', 0, PARAM_INT);      // If 1 the submission is beign updated.


if (!$cm = get_coursemodule_from_id('gradeimporter', $cmid)) {
    throw new moodle_exception('invalidcoursemodule');
}

if (!$course = $DB->get_record('course', array('id' => $cm->course))) {
    throw new moodle_exception('coursemisconf');
}

$context = context_module::instance($cm->id);

require_capability('mod/gradeimporter:edit', $context);

if (!$gradeimporter = $DB->get_record('gradeimporter', array('id' => $cm->instance))) {
    throw new moodle_exception(get_string('invalidid', 'gradeimporter'));
}

$url = new moodle_url('/mod/gradeimporter/submission.php', array('cmid' => $cm->id));
if (!empty($id)) {
    $url->param('id', $id);
}
$PAGE->set_url($url);

require_login($course, false, $cm);


if (isset($submission)) {
    if (isguestuser()) {
        throw new moodle_exception(get_string('guestnoedit', 'gradeimporter').
                            " $CFG->wwwroot/mod/gradeimporter/view.php?id=$cmid");
    }
} else {
    $submission = new stdClass();
    $submission->id = null;
}

$maxfiles = 50;
$maxbytes = $course->maxbytes;

$descriptionoptions = array('trusttext' => true, 'maxfiles' => $maxfiles,
                        'maxbytes' => $maxbytes, 'context' => $context,
                        'subdirs' => file_area_contains_subdirs($context, 'mod_gradeimporter', 'submission', $submission->id));

$submissionoptions = array('subdirs' => false, 'maxfiles' => $maxfiles, 'maxbytes' => $maxbytes);

$submission = file_prepare_standard_editor($submission, 'description', $descriptionoptions, $context,
                                            'mod_gradeimporter', 'description', $submission->id);
$submission = file_prepare_standard_filemanager($submission, 'submission', $submissionoptions, $context,
                                                'mod_gradeimporter', 'submission', $submission->id);

$submission->cmid = $cm->id;

$mform = new mod_gradeimporter_submission_form(null, array('submission' => $submission,
                                                     'cm' => $cm, 'descriptionoptions' => $descriptionoptions,
                                                     'submissionoptions' => $submissionoptions,
                                                     'gradeimporterid' => $gradeimporter->id
                                                    ));

if ($update == 1) {
    $subtoupdate = $DB->get_record('gradeimporter_submission', array('id' => $subid));
    $array = (array) $subtoupdate;
    echo 'aaaa'.$array['description'];
    $mform->set_data($subtoupdate);
}

if ($mform->is_cancelled()) {
    if ($id) {
        redirect("view.php?id=$cm->id&mode=entry&hook=$id");
    } else {
        redirect("view.php?id=$cm->id");
    }
} else if ($submission = $mform->get_data()) {
    $timenow = time();

    if (empty($submission->id)) {
        $submission->gradeimporterid    = $gradeimporter->id;
        $submission->userid             = $USER->id;
        $submission->timecreated        = $timenow;

        $isnewentry                     = true;
    } else {
        $isnewentry                     = false;
    }
    $submission->description        = '';           // Updated later.
    $submission->descriptionformat  = FORMAT_HTML;  // Updated later.
    $submission->definitiontrust    = 0;
    $submission->timemodified       = $timenow;
    $submission->position           = -1;

    if ($isnewentry) {
        // Add new entry.
        $submission->id = $DB->insert_record('gradeimporter_submission', $submission);
    } else {
        // Update existing entry.
        $DB->update_record('gradeimporter', $submission);
    }

    $submission = file_postupdate_standard_editor($submission, 'description',
                                            $descriptionoptions, $context, 'mod_gradeimporter',
                                            'description', $submission->id);

    $submission = file_postupdate_standard_filemanager($submission, 'submission',
                                            $submissionoptions, $context, 'mod_gradeimporter',
                                            'submission', $submission->id);

    gradeimporter_check_for_zips($context, $cm, $submission);

    // Store updated values.
    // Error: write to database invalid.
    $DB->update_record('gradeimporter_submission', $submission);

    // Refetch complete entry.
    $submission = $DB->get_record('gradeimporter_submission', array('id' => $submission->id));

    // Trigger event and update completion (if entry was created).
    $eventparams = array(
        'context' => $context,
        'objectid' => $submission->id,
        );
    if ($isnewentry) {
        // Update completion state.
        $completion = new completion_info($course);
        if ($completion->is_enabled($cm) == COMPLETION_TRACKING_AUTOMATIC && $gradeimporter->completionentries) {
            $completion->update_state($cm, COMPLETION_COMPLETE);
        }
    }

    redirect("view.php?id=$cm->id&edit=1");
}

if (!empty($id)) {
    $PAGE->navbar->add(get_string('edit'));
}

$PAGE->set_title($gradeimporter->name);
$PAGE->set_heading($course->fullname);
echo $OUTPUT->header();
echo $OUTPUT->heading(format_string($gradeimporter->name), 2);
if ($gradeimporter->intro) {
    echo $OUTPUT->box(format_module_intro('gradeimporter', $gradeimporter, $cm->id), 'generalbox', 'intro');
}

$mform->display();

echo $OUTPUT->footer();