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<?php
// This file is part of Moodle - http://moodle.org/
//
// 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/>.
/**
* Privacy test for the event monitor
*
* @package mod_assignment
* @category test
* @copyright 2018 Zig Tan <zig@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
require_once(__DIR__ . '/../lib.php');
use \mod_assignment\privacy\provider;
use \core_privacy\local\metadata\collection;
use \core_privacy\local\request\approved_contextlist;
use \core_privacy\local\request\transform;
use \core_privacy\local\request\writer;
use \core_privacy\tests\provider_testcase;
/**
* Privacy test for the event monitor
*
* @package mod_assignment
* @category test
* @copyright 2018 Zig Tan <zig@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class mod_assignment_privacy_testcase extends advanced_testcase {
/**
* @var int array Array of test student ids associated for Course 1.
*/
private $course1students = [];
/**
* @var int array Array of test student ids associated for Course 2.
*/
private $course2students = [];
/**
* @var int array Array of test assignments associated for Course 1.
*/
private $course1assignments = [];
/**
* @var int array Array of test assignments associated for Course 2.
*/
private $course2assignments = [];
/**
* Test for provider::get_contexts_for_userid().
*
* @throws coding_exception
*/
public function test_get_contexts_for_userid() {
global $DB;
$this->resetAfterTest(true);
$this->create_courses_and_assignments();
// Get Teacher 1 to test get_contexts_for_userid().
$teacher1 = $DB->get_record('user', ['username' => 'teacher1']);
$contextids = provider::get_contexts_for_userid($teacher1->id);
// Verify there should be 4 contexts, as Teacher 1 has submitted tests and marked Assignments in Course 1 and 2.
$this->assertEquals(4, count($contextids->get_contextids()));
// Get Teacher 2 to test get_contexts_for_userid().
$teacher2 = $DB->get_record('user', ['username' => 'teacher2']);
$contextids = provider::get_contexts_for_userid($teacher2->id);
// Verify there should be 0 contexts, as teacher 2 has not marked any Assignments.
$this->assertEquals(0, count($contextids->get_contextids()));
// Get Student 1 to test get_contexts_for_userid().
$student1 = $DB->get_record('user', ['username' => 'student1']);
$contextids = provider::get_contexts_for_userid($student1->id);
// Verify there should be 2 contexts, as student 1 added submissions for both Assignments in Course 1.
$this->assertEquals(2, count($contextids->get_contextids()));
// Get Student 2 to test get_contexts_for_userid().
$student2 = $DB->get_record('user', ['username' => 'student2']);
$contextids = provider::get_contexts_for_userid($student2->id);
// Verify there should be 2 context, as student 2 added submissions for both Assignments in Course 2.
$this->assertEquals(2, count($contextids->get_contextids()));
}
/**
* Test that the correct userids are returned for a specific context.
*/
public function test_get_users_in_context() {
$this->resetAfterTest(true);
$student1 = $this->getDataGenerator()->create_user(['username' => 'student1']);
$student2 = $this->getDataGenerator()->create_user(['username' => 'student2']);
// Student 3 should not turn up in the results of this test.
$student3 = $this->getDataGenerator()->create_user(['username' => 'student3']);
$teacher1 = $this->getDataGenerator()->create_user(['username' => 'teacher1']);
$course = $this->getDataGenerator()->create_course();
$course1assignment1 = $this->getDataGenerator()->create_module('assignment',
[
'course' => $course->id,
'name' => 'Course 1 - Assignment 1 (onlinetext)',
'assignmenttype' => 'onlinetext',
]
);
// Create a second assignment in the same course.
$course1assignment2 = $this->getDataGenerator()->create_module('assignment',
[
'course' => $course->id,
'name' => 'Course 1 - Assignment 1 (onlinetext)',
'assignmenttype' => 'onlinetext',
]
);
$this->add_assignment_submission(
$course1assignment1,
$student1,
"Course 1 - Ass 1: Student1 Test Submission"
);
$this->add_assignment_submission(
$course1assignment1,
$student2,
"Course 1 - Ass 1: Student2 Test Submission"
);
// Add a submission for the second assignment.
$this->add_assignment_submission(
$course1assignment2,
$student3,
"Course 1 - Ass 2: Student3 Test Submission"
);
$submissions = $this->get_course_assignment_submissions($course->id);
foreach ($submissions as $submission) {
$this->mark_assignment_submission($submission->assignment, $submission->id, $teacher1, 50);
}
$c1ass1ctx = context_module::instance($course1assignment1->cmid);
$userlist = new \core_privacy\local\request\userlist($c1ass1ctx, 'mod_assignment');
provider::get_users_in_context($userlist);
$userids = $userlist->get_userids();
// This is both students and the teacher who marked both assignments.
$this->assertCount(3, $userids);
// Make sure that student 3 is not in the returned userids.
$this->assertFalse(in_array($student3->id, $userids));
// Try with the course context.
$coursecontext = context_course::instance($course->id);
$userlist = new \core_privacy\local\request\userlist($coursecontext, 'mod_assignment');
provider::get_users_in_context($userlist);
$this->assertEmpty($userlist->get_userids());
}
/**
* Test for provider::export_user_data().
*
* @throws coding_exception
*/
public function test_export_user_data_teacher() {
global $DB;
$this->resetAfterTest(true);
$this->create_courses_and_assignments();
// Test Teacher 1 export_data_for_user() - marking assignment submissions for both Course 1 and 2.
$teacher1 = $DB->get_record('user', ['username' => 'teacher1']);
$contextlist = provider::get_contexts_for_userid($teacher1->id);
$approvedcontextlist = new approved_contextlist($teacher1, 'mod_assignment', $contextlist->get_contextids());
// Verify Teacher 1 has four contexts.
$this->assertCount(4, $contextlist->get_contextids());
// Retrieve Assignment Submissions data for Teacher 1.
provider::export_user_data($approvedcontextlist);
$contexts = $contextlist->get_contexts();
// Context 1 - Course 1's Assignment 1 -- (onlinetext).
$context = context_module::instance($this->course1assignments['ass1']->cmid);
$this->assertContains($context, $contexts);
$writer = writer::with_context($context);
$subcontexts = [
get_string('privacy:markedsubmissionspath', 'mod_assignment'),
transform::user($teacher1->id)
];
// Verify the test assignment submission from Teacher 1 exists.
$submission = $writer->get_data($subcontexts);
$this->assertEquals('<p>Course 1 - Ass 1: Teacher Test Submission</p>', $submission->data1);
foreach ($this->course1students as $student) {
$subcontexts = [
get_string('privacy:markedsubmissionspath', 'mod_assignment'),
transform::user($student->id)
];
// Verify the student assignment submissions exists.
$submission = $writer->get_data($subcontexts);
$this->assertEquals("<p>Course 1 - Ass 1: " . $student->id . "</p>", $submission->data1);
}
// Context 2 - Course 1's Assignment 2 -- (single file upload).
$context = context_module::instance($this->course1assignments['ass2']->cmid);
$this->assertContains($context, $contexts);
$writer = writer::with_context($context);
foreach ($this->course1students as $student) {
$subcontexts = [
get_string('privacy:markedsubmissionspath', 'mod_assignment'),
transform::user($student->id)
];
// Verify the student assignment submissions exists.
$submission = $writer->get_data($subcontexts);
$this->assertEquals("<p>Course 1 - Ass 2: " . $student->id . "</p>", $submission->data1);
// Verify the student assignment submission file upload exists.
$submissionfiles = $writer->get_files($subcontexts);
$this->assertTrue(array_key_exists('Student' . $student->id . '-Course1-Ass2-(File 1 of 1)', $submissionfiles));
}
// Context 3 - Course 2's Assignment 1 -- (offline).
$context = context_module::instance($this->course2assignments['ass1']->cmid);
$this->assertContains($context, $contexts);
$writer = writer::with_context($context);
foreach ($this->course2students as $student) {
$subcontexts = [
get_string('privacy:markedsubmissionspath', 'mod_assignment'),
transform::user($student->id)
];
// Verify the student assignment submissions exists.
$submission = $writer->get_data($subcontexts);
$this->assertEquals("<p>Course 2 - Ass 1: " . $student->id . "</p>", $submission->data1);
}
// Context 4 - Course 2's Assignment 2 -- (multiple file upload).
$context = context_module::instance($this->course2assignments['ass2']->cmid);
$this->assertContains($context, $contexts);
$writer = writer::with_context($context);
foreach ($this->course2students as $student) {
$subcontexts = [
get_string('privacy:markedsubmissionspath', 'mod_assignment'),
transform::user($student->id)
];
// Verify the student assignment submissions exists.
$submission = $writer->get_data($subcontexts);
$this->assertEquals("<p>Course 2 - Ass 2: " . $student->id . "</p>", $submission->data1);
// Verify the student assignment submission file upload exists.
$submissionfiles = $writer->get_files($subcontexts);
$this->assertTrue(array_key_exists('Student' . $student->id . '-Course2-Ass2-(File 1 of 2)', $submissionfiles));
$this->assertTrue(array_key_exists('Student' . $student->id . '-Course2-Ass2-(File 2 of 2)', $submissionfiles));
}
}
/**
* Test for provider::export_user_data().
*
* @throws dml_exception
*/
public function test_export_user_data_student() {
global $DB;
$this->resetAfterTest(true);
$this->create_courses_and_assignments();
// Test Student 1 export_data_for_user() - added assignment submissions for both assignments in Course 1.
$student1 = $DB->get_record('user', ['username' => 'student1']);
$contextlist = provider::get_contexts_for_userid($student1->id);
$approvedcontextlist = new approved_contextlist($student1, 'mod_assignment', $contextlist->get_contextids());
// Retrieve Assignment Submissions data for Student 1.
provider::export_user_data($approvedcontextlist);
$contexts = $contextlist->get_contexts();
// Context 1 - Course 1's Assignment 1 -- (onlinetext).
$context = context_module::instance($this->course1assignments['ass1']->cmid);
$this->assertContains($context, $contexts);
$writer = writer::with_context($context);
$subcontexts = [
get_string('privacy:submissionpath', 'mod_assignment')
];
// Verify the student assignment submissions exists.
$submission = $writer->get_data($subcontexts);
$this->assertEquals("<p>Course 1 - Ass 1: " . $student1->id . "</p>", $submission->data1);
// Context 2 - Course 1's Assignment 2 -- (single file upload).
$context = context_module::instance($this->course1assignments['ass2']->cmid);
$this->assertContains($context, $contexts);
$writer = writer::with_context($context);
$subcontexts = [
get_string('privacy:submissionpath', 'mod_assignment')
];
// Verify the student assignment submission exists.
$submission = $writer->get_data($subcontexts);
$this->assertEquals("<p>Course 1 - Ass 2: " . $student1->id . "</p>", $submission->data1);
// Verify the student assignment submission file upload exists.
$submissionfiles = $writer->get_files($subcontexts);
$this->assertTrue(array_key_exists('Student' . $student1->id . '-Course1-Ass2-(File 1 of 1)', $submissionfiles));
// Test Student 2 export_data_for_user() - added assignment submissions for both assignments in Course 2.
$student2 = $DB->get_record('user', ['username' => 'student2']);
$contextlist = provider::get_contexts_for_userid($student2->id);
$approvedcontextlist = new approved_contextlist($student2, 'mod_assignment', $contextlist->get_contextids());
// Retrieve Assignment Submissions data for Student 2.
provider::export_user_data($approvedcontextlist);
$contexts = $contextlist->get_contexts();
// Context 1 - Course 2's Assignment 1 -- (offline).
$context = context_module::instance($this->course2assignments['ass1']->cmid);
$this->assertContains($context, $contexts);
$writer = writer::with_context($context);
$subcontexts = [
get_string('privacy:submissionpath', 'mod_assignment')
];
// Verify the student assignment submissions exists.
$submission = $writer->get_data($subcontexts);
$this->assertEquals("<p>Course 2 - Ass 1: " . $student2->id . "</p>", $submission->data1);
// Context 2 - Course 2's Assignment 2 -- (multiple file upload).
$context = context_module::instance($this->course2assignments['ass2']->cmid);
$this->assertContains($context, $contexts);
$writer = writer::with_context($context);
$subcontexts = [
get_string('privacy:submissionpath', 'mod_assignment')
];
// Verify the student assignment submission exists.
$submission = $writer->get_data($subcontexts);
$this->assertEquals("<p>Course 2 - Ass 2: " . $student2->id . "</p>", $submission->data1);
// Verify the student assignment submission file upload exists.
$submissionfiles = $writer->get_files($subcontexts);
$this->assertTrue(array_key_exists('Student' . $student2->id . '-Course2-Ass2-(File 1 of 2)', $submissionfiles));
$this->assertTrue(array_key_exists('Student' . $student2->id . '-Course2-Ass2-(File 2 of 2)', $submissionfiles));
}
/**
* Test for provider::delete_data_for_all_users_in_context().
*
* @throws dml_exception
*/
public function test_delete_data_for_all_users_in_context() {
global $DB;
$this->resetAfterTest(true);
$this->create_courses_and_assignments();
// Test teacher1 delete_data_for_all_users_in_context().
$teacher1 = $DB->get_record('user', ['username' => 'teacher1']);
$contextlist = provider::get_contexts_for_userid($teacher1->id);
foreach ($contextlist as $context) {
provider::delete_data_for_all_users_in_context($context);
// Verify assignment submission(s) were deleted for the context.
$deleted = $this->get_assignment_submissions($context->id);
$this->assertCount(0, $deleted);
// Verify all the file submissions associated with the context for all users were deleted.
$files = $DB->get_records('files', ['component' => 'mod_assignment', 'filearea' => 'submission', 'contextid' => $context->id]);
$this->assertEquals(0, count($files));
}
}
/**
* Test for provider::delete_data_for_user().
*
* @throws dml_exception
*/
public function test_delete_data_for_user() {
global $DB;
$this->resetAfterTest(true);
$this->create_courses_and_assignments();
// Test Teacher 1 delete_data_for_user(), should only remove the 1 test submission added by Teacher 1.
// Should not remove any assignment submission records marked by the teacher.
$teacher1 = $DB->get_record('user', ['username' => 'teacher1']);
$contextlist = provider::get_contexts_for_userid($teacher1->id);
$approvedcontextlist = new approved_contextlist($teacher1, 'mod_assignment', $contextlist->get_contextids());
provider::delete_data_for_user($approvedcontextlist);
// Verify the submissions submitted by students still exists.
$markedsubmissions = $DB->get_records('assignment_submissions', ['teacher' => $teacher1->id]);
$this->assertCount(4, $markedsubmissions);
// Test student 1 delete_data_for_user().
$student1 = $DB->get_record('user', ['username' => 'student1']);
$contextlist = provider::get_contexts_for_userid($student1->id);
$approvedcontextlist = new approved_contextlist($student1, 'mod_assignment', $contextlist->get_contextids());
provider::delete_data_for_user($approvedcontextlist);
// Verify student 1's assignment submissions were deleted.
$assignmentsubmissions = $DB->get_records('assignment_submissions', ['userid' => $student1->id]);
$this->assertEquals(0, count($assignmentsubmissions));
// Verify student 1's file submissions were deleted.
foreach ($contextlist->get_contextids() as $contextid) {
$files = $DB->get_records('files', ['component' => 'mod_assignment', 'filearea' => 'submission', 'contextid' => $contextid]);
$this->assertEquals(0, count($files));
}
}
/**
* Test the deletion of a data for users.
*/
public function test_delete_data_for_users() {
global $DB;
$this->resetAfterTest();
$student1 = $this->getDataGenerator()->create_user(['username' => 'student1']);
$student2 = $this->getDataGenerator()->create_user(['username' => 'student2']);
$student3 = $this->getDataGenerator()->create_user(['username' => 'student3']);
$course = $this->getDataGenerator()->create_course();
$course1assignment = $this->getDataGenerator()->create_module('assignment',
[
'course' => $course->id,
'name' => 'Course 1 - Assignment 1 (single file upload)',
'assignmenttype' => 'uploadsingle'
]
);
$context = context_module::instance($course1assignment->cmid);
// Student one submission.
$this->add_file_assignment_submission(
$course1assignment,
$student1,
"Course 1 - Ass 2: " . $student1->id,
'Student' . $student1->id . '-Course1-Ass2'
);
// Student two submission.
$this->add_file_assignment_submission(
$course1assignment,
$student2,
"Course 1 - Ass 2: " . $student2->id,
'Student' . $student2->id . '-Course1-Ass2'
);
// Student three submission to be retained.
$this->add_file_assignment_submission(
$course1assignment,
$student3,
"Course 1 - Ass 2: " . $student3->id,
'Student' . $student3->id . '-Course1-Ass2'
);
$files = $DB->get_records('files', [
'component' => 'mod_assignment',
'filearea' => 'submission',
'contextid' => $context->id
]);
$this->assertCount(6, $files);
$submissions = $this->get_assignment_submissions($context->id);
$this->assertCount(3, $submissions);
$userlist = new \core_privacy\local\request\approved_userlist($context, 'mod_assignment', [$student1->id, $student2->id]);
provider::delete_data_for_users($userlist);
$files = $DB->get_records('files', [
'component' => 'mod_assignment',
'filearea' => 'submission',
'contextid' => $context->id
]);
$this->assertCount(2, $files);
$submissions = $this->get_assignment_submissions($context->id);
$this->assertCount(1, $submissions);
}
// Start of helper functions.
/**
* Helper function to setup Course, users, and assignments for testing.
*/
protected function create_courses_and_assignments() {
// Create Courses, Users, and Assignments.
$course1 = $this->getDataGenerator()->create_course(['shortname' => 'course1']);
$course2 = $this->getDataGenerator()->create_course(['shortname' => 'course2']);
$teacher1 = $this->getDataGenerator()->create_user(['username' => 'teacher1']);
$teacher2 = $this->getDataGenerator()->create_user(['username' => 'teacher2']);
$student1 = $this->getDataGenerator()->create_user(['username' => 'student1']);
$student2 = $this->getDataGenerator()->create_user(['username' => 'student2']);
$this->course1students = [
$student1
];
$this->course2students = [
$student2
];
$course1assignment1 = $this->getDataGenerator()->create_module('assignment',
[
'course' => $course1->id,
'name' => 'Course 1 - Assignment 1 (onlinetext)',
'assignmenttype' => 'onlinetext',
]
);
$course1assignment2 = $this->getDataGenerator()->create_module('assignment',
[
'course' => $course1->id,
'name' => 'Course 1 - Assignment 2 (single file upload)',
'assignmenttype' => 'uploadsingle',
]
);
$this->course1assignments = [
'ass1' => $course1assignment1,
'ass2' => $course1assignment2
];
$course2assignment1 = $this->getDataGenerator()->create_module('assignment',
[
'course' => $course2->id,
'name' => 'Course 2 - Assignment 1 (offline)',
'assignmenttype' => 'offline',
]
);
$course2assignment2 = $this->getDataGenerator()->create_module('assignment',
[
'course' => $course2->id,
'name' => 'Course 2 - Assignment 2 (multiple file upload)',
'assignmenttype' => 'upload',
]
);
$this->course2assignments = [
'ass1' => $course2assignment1,
'ass2' => $course2assignment2
];
// Teacher 1 add test assignment submission for Course 1 - Assignment 1.
$this->add_assignment_submission(
$course1assignment1,
$teacher1,
"Course 1 - Ass 1: Teacher Test Submission"
);
// Student 1 add assignment submissions for Course 1 - Assignment 1 and 2.
$this->add_assignment_submission(
$course1assignment1,
$student1,
"Course 1 - Ass 1: " . $student1->id
);
$this->add_file_assignment_submission(
$course1assignment2,
$student1,
"Course 1 - Ass 2: " . $student1->id,
'Student' . $student1->id . '-Course1-Ass2'
);
// Student 2 add assignment submissions for Course 2 - Assignment 1 and 2.
$this->add_assignment_submission(
$course2assignment1,
$student2,
"Course 2 - Ass 1: " . $student2->id
);
$this->add_file_assignment_submission(
$course2assignment2,
$student2,
"Course 2 - Ass 2: " . $student2->id,
'Student' . $student2->id . '-Course2-Ass2',
2
);
// Teacher 1 to mark assignment submissions for Course 1's Assignment 1 and 2.
$course1submissions = $this->get_course_assignment_submissions($course1->id);
foreach ($course1submissions as $submission) {
$this->mark_assignment_submission($submission->assignment, $submission->id, $teacher1, 49);
}
// Teacher 1 to mark assignment submissions for Course 2's Assignment 1 and 2.
$course2submissions = $this->get_course_assignment_submissions($course2->id);
foreach ($course2submissions as $submission) {
$this->mark_assignment_submission($submission->assignment, $submission->id, $teacher1, 50);
}
}
/**
* Helper function to add an assignment submission for testing.
*
* @param object $assignment Object containing assignment submission details to create for testing.
* @param object $user Object of the user making the assignment submission.
* @param string $submissiondata The onlintext string value of the assignment submission.
* @throws dml_exception
*/
protected function add_assignment_submission($assignment, $user, $submissiondata) {
global $DB;
$submission = (object) [
'assignment' => $assignment->id,
'userid' => $user->id,
'timecreated' => date('U'),
'data1' => '<p>' . $submissiondata . '</p>',
'submissioncomment' => 'My submission by ' . $user->username
];
return $DB->insert_record('assignment_submissions', $submission);
}
/**
* Helper function to add an assignment submission with file submissions for testing.
*
* @param object $assignment Object containing assignment submission details to create for testing.
* @param object $user Object of the user making the assignment submission.
* @param string $submissiondata The onlintext string value of the assignment submission.
* @param string $filename The filename of the file submission included with the assignment submission.
* @param int $numfiles The number of files included with the assignment submission.
* @throws dml_exception
* @throws file_exception
* @throws stored_file_creation_exception
*/
protected function add_file_assignment_submission($assignment, $user, $submissiondata, $filename, $numfiles = 1) {
global $CFG, $DB;
$submission = (object) [
'assignment' => $assignment->id,
'userid' => $user->id,
'timecreated' => date('U'),
'data1' => '<p>' . $submissiondata . '</p>',
'numfiles' => $numfiles,
'submissioncomment' => 'My submission by ' . $user->username
];
$submissionid = $DB->insert_record('assignment_submissions', $submission);
// Create a file submission with the test pdf.
$this->setUser($user->id);
$context = context_module::instance($assignment->cmid);
$fs = get_file_storage();
$sourcefile = $CFG->dirroot . '/mod/assign/feedback/editpdf/tests/fixtures/submission.pdf';
for ($f = 1; $f <= $numfiles; $f++) {
$pdfsubmission = (object)array(
'contextid' => $context->id,
'component' => 'mod_assignment',
'filearea' => 'submission',
'itemid' => $submissionid,
'filepath' => '/',
'filename' => $filename . "-(File $f of $numfiles)"
);
$fs->create_file_from_pathname($pdfsubmission, $sourcefile);
}
}
/**
* Helper function to retrieve the assignment submission records for a given course.
*
* @param int $courseid The course ID to get assignment submissions by.
* @return array Array of assignment submission details.
* @throws dml_exception
*/
protected function get_course_assignment_submissions($courseid) {
global $DB;
$sql = "SELECT s.id,
s.assignment,
s.userid,
s.timecreated,
s.timemodified,
s.numfiles,
s.data1,
s.data2,
s.grade,
s.submissioncomment,
s.format,
s.teacher,
s.timemarked,
s.mailed
FROM {assignment} a
JOIN {assignment_submissions} s ON s.assignment = a.id
WHERE a.course = :courseid";
$params = [
'courseid' => $courseid
];
return $DB->get_records_sql($sql, $params);
}
/**
* Helper function to update an assignment submission with grading details for a teacher.
*
* @param int $assignmentid The assignment ID to update assignment submissions with marking/graded details.
* @param int $submissionid The assignment submission ID to update with marking/grading details.
* @param int $teacher The teacher user ID to making the marking/grading details.
* @param int $gradedata The grade value set for the marking/grading details.
*/
protected function mark_assignment_submission($assignmentid, $submissionid, $teacher, $gradedata) {
global $DB;
$submission = (object) [
'id' => $submissionid,
'assignment' => $assignmentid,
'grade' => $gradedata,
'teacher' => $teacher->id,
'timemarked' => date('U')
];
return $DB->update_record('assignment_submissions', $submission);
}
/**
* Helper function to retrieve the assignment records for a given context.
*
* @param int $contextid The context module ID value to retrieve assignment IDs by.
* @return array Array of assignment IDs.
* @throws dml_exception
*/
protected function get_assignments($contextid) {
global $DB;
$sql = "SELECT a.id
FROM {assignment} a
JOIN {course_modules} cm ON a.id = cm.instance
JOIN {modules} m ON m.id = cm.module AND m.name = :modulename
JOIN {context} ctx ON ctx.instanceid = cm.id AND ctx.contextlevel = :contextmodule
WHERE ctx.id = :contextid";
$params = [
'modulename' => 'assignment',
'contextmodule' => CONTEXT_MODULE,
'contextid' => $contextid
];
return $DB->get_records_sql($sql, $params);
}
/**
* Helper function to retrieve the assignment submission records for a given context.
*
* @param int $contextid The context module ID value to retrieve assignment submission IDs by.
* @return array Array of assignment submission IDs.
* @throws dml_exception
*/
protected function get_assignment_submissions($contextid) {
global $DB;
$sql = "SELECT s.id
FROM {assignment_submissions} s
JOIN {assignment} a ON a.id = s.assignment
JOIN {course_modules} cm ON a.id = cm.instance
JOIN {modules} m ON m.id = cm.module AND m.name = :modulename
JOIN {context} ctx ON ctx.instanceid = cm.id AND ctx.contextlevel = :contextmodule
WHERE ctx.id = :contextid";
$params = [
'modulename' => 'assignment',
'contextmodule' => CONTEXT_MODULE,
'contextid' => $contextid
];
return $DB->get_records_sql($sql, $params);
}
}