Commit b17037b9 authored by Juan Segarra Montesinos's avatar Juan Segarra Montesinos Committed by Jenkins

MDL-69797 core_grades: Implement authorization into fetch method

parent 8fb9f2bc
......@@ -127,7 +127,12 @@ class fetch extends external_api {
throw new moodle_exception("The {$itemname} item in {$component}/{$contextid} is not configured for grading with scales");
}
$gradeduser = \core_user::get_user($gradeduserid);
$gradeduser = \core_user::get_user($gradeduserid, '*', MUST_EXIST);
// One can access its own grades. Others just if they're graders.
if ($gradeduserid != $USER->id) {
$gradeitem->require_user_can_grade($gradeduser, $USER);
}
// Set up some items we need to return on other interfaces.
$gradegrade = \grade_grade::fetch(['itemid' => $gradeitem->get_grade_item()->id, 'userid' => $gradeduser->id]);
......
......@@ -189,14 +189,75 @@ class fetch_test extends advanced_testcase {
$course = $forum->get_course_record();
$teacher = $this->getDataGenerator()->create_and_enrol($course, 'teacher');
$student = $this->getDataGenerator()->create_and_enrol($course, 'student');
$this->setUser($teacher);
$this->execute_and_assert_fetch($forum, $options, $scale, $teacher, $teacher, $student);
}
/**
* Class mates should not get other's grades.
*/
public function test_execute_fetch_does_not_return_data_to_other_students(): void {
$this->resetAfterTest();
$options = [
'A',
'B',
'C'
];
$scale = $this->getDataGenerator()->create_scale(['scale' => implode(',', $options)]);
$forum = $this->get_forum_instance([
// Negative numbers mean a scale.
'grade_forum' => -1 * $scale->id
]);
$course = $forum->get_course_record();
$teacher = $this->getDataGenerator()->create_and_enrol($course, 'teacher');
$student = $this->getDataGenerator()->create_and_enrol($course, 'student');
$evilstudent = $this->getDataGenerator()->create_and_enrol($course, 'student');
$this->expectException(\required_capability_exception::class);
$this->execute_and_assert_fetch($forum, $options, $scale, $evilstudent, $teacher, $student);
}
/**
* Grades can be returned to graded user.
*/
public function test_execute_fetch_return_data_to_graded_user(): void {
$this->resetAfterTest();
$options = [
'A',
'B',
'C'
];
$scale = $this->getDataGenerator()->create_scale(['scale' => implode(',', $options)]);
$forum = $this->get_forum_instance([
// Negative numbers mean a scale.
'grade_forum' => -1 * $scale->id
]);
$course = $forum->get_course_record();
$teacher = $this->getDataGenerator()->create_and_enrol($course, 'teacher');
$student = $this->getDataGenerator()->create_and_enrol($course, 'student');
$this->execute_and_assert_fetch($forum, $options, $scale, $student, $teacher, $student);
}
/**
* Executes the fetch method with the given users and returns the result.
*/
private function execute_and_assert_fetch ($forum, $options, $scale, $fetcheruser, $grader, $gradeduser) {
$this->setUser($grader);
$gradeitem = component_gradeitem::instance('mod_forum', $forum->get_context(), 'forum');
$gradeitem->store_grade_from_formdata($student, $teacher, (object) [
$gradeitem->store_grade_from_formdata($gradeduser, $grader, (object) [
'grade' => 2,
]);
$result = fetch::execute('mod_forum', (int) $forum->get_context()->id, 'forum', (int) $student->id);
$this->setUser($fetcheruser);
$result = fetch::execute('mod_forum', (int) $forum->get_context()->id, 'forum', (int) $gradeduser->id);
$result = external_api::clean_returnvalue(fetch::execute_returns(), $result);
$this->assertIsArray($result);
......@@ -204,7 +265,7 @@ class fetch_test extends advanced_testcase {
$this->assertEquals('core_grades/grades/grader/gradingpanel/scale', $result['templatename']);
$result = fetch::execute('mod_forum', (int) $forum->get_context()->id, 'forum', (int) $student->id);
$result = fetch::execute('mod_forum', (int) $forum->get_context()->id, 'forum', (int) $gradeduser->id);
$result = external_api::clean_returnvalue(fetch::execute_returns(), $result);
$this->assertIsArray($result);
......@@ -232,7 +293,7 @@ class fetch_test extends advanced_testcase {
$this->assertEquals(3, $result['grade']['maxgrade']);
$this->assertArrayHasKey('gradedby', $result['grade']);
$this->assertEquals(fullname($teacher), $result['grade']['gradedby']);
$this->assertEquals(fullname($grader), $result['grade']['gradedby']);
$this->assertArrayHasKey('options', $result['grade']);
$this->assertCount(count($options), $result['grade']['options']);
......
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