C:/xampp/htdocs/moodle/mod/quiz/db/access.php

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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/>.

defined('MOODLE_INTERNAL') || die();

$capabilities = array(

    // Ability to see that the quiz exists, and the basic information
    // about it, for example the start date and time limit.
    'mod/quiz:view' => array(
        'captype' => 'read',
        'contextlevel' => CONTEXT_MODULE,
        'archetypes' => array(
            'guest' => CAP_ALLOW,
            'student' => CAP_ALLOW,
            'teacher' => CAP_ALLOW,
            'editingteacher' => CAP_ALLOW,
            'manager' => CAP_ALLOW
        )
    ),

    // Ability to do the quiz as a 'student'.
    'mod/quiz:attempt' => array(
        'riskbitmask' => RISK_SPAM,
        'captype' => 'write',
        'contextlevel' => CONTEXT_MODULE,
        'archetypes' => array(
            'student' => CAP_ALLOW
        )
    ),

    // Ability for a 'Student' to review their previous attempts. Review by
    // 'Teachers' is controlled by mod/quiz:viewreports.
    'mod/quiz:reviewmyattempts' => array(
        'captype' => 'read',
        'contextlevel' => CONTEXT_MODULE,
        'archetypes' => array(
            'student' => CAP_ALLOW
        ),
        'clonepermissionsfrom' => 'moodle/quiz:attempt'
    ),

    // Edit the quiz settings, add and remove questions.
    'mod/quiz:manage' => array(
        'riskbitmask' => RISK_SPAM,
        'captype' => 'write',
        'contextlevel' => CONTEXT_MODULE,
        'archetypes' => array(
            'editingteacher' => CAP_ALLOW,
            'manager' => CAP_ALLOW
        )
    ),

    // Edit the quiz overrides
    'mod/quiz:manageoverrides' => array(
        'captype' => 'write',
        'contextlevel' => CONTEXT_MODULE,
        'archetypes' => array(
            'editingteacher' => CAP_ALLOW,
            'manager' => CAP_ALLOW
        )
    ),

    // Preview the quiz.
    'mod/quiz:preview' => array(
        'captype' => 'write', // Only just a write.
        'contextlevel' => CONTEXT_MODULE,
        'archetypes' => array(
            'teacher' => CAP_ALLOW,
            'editingteacher' => CAP_ALLOW,
            'manager' => CAP_ALLOW
        )
    ),

    // Manually grade and comment on student attempts at a question.
    'mod/quiz:grade' => array(
        'riskbitmask' => RISK_SPAM,
        'captype' => 'write',
        'contextlevel' => CONTEXT_MODULE,
        'archetypes' => array(
            'teacher' => CAP_ALLOW,
            'editingteacher' => CAP_ALLOW,
            'manager' => CAP_ALLOW
        )
    ),

    // Regrade quizzes.
    'mod/quiz:regrade' => array(
        'riskbitmask' => RISK_SPAM,
        'captype' => 'write',
        'contextlevel' => CONTEXT_MODULE,
        'archetypes' => array(
            'teacher' => CAP_ALLOW,
            'editingteacher' => CAP_ALLOW,
            'manager' => CAP_ALLOW
        ),
        'clonepermissionsfrom' =>  'mod/quiz:grade'
    ),

    // View the quiz reports.
    'mod/quiz:viewreports' => array(
        'riskbitmask' => RISK_PERSONAL,
        'captype' => 'read',
        'contextlevel' => CONTEXT_MODULE,
        'archetypes' => array(
            'teacher' => CAP_ALLOW,
            'editingteacher' => CAP_ALLOW,
            'manager' => CAP_ALLOW
        )
    ),

    // Delete attempts using the overview report.
    'mod/quiz:deleteattempts' => array(
        'riskbitmask' => RISK_DATALOSS,
        'captype' => 'write',
        'contextlevel' => CONTEXT_MODULE,
        'archetypes' => array(
            'editingteacher' => CAP_ALLOW,
            'manager' => CAP_ALLOW
        )
    ),

    // Do not have the time limit imposed. Used for accessibility legislation compliance.
    'mod/quiz:ignoretimelimits' => array(
        'captype' => 'read',
        'contextlevel' => CONTEXT_MODULE,
        'archetypes' => array()
    ),

    // Receive a confirmation message of own quiz submission.
    'mod/quiz:emailconfirmsubmission' => array(
        'captype' => 'read',
        'contextlevel' => CONTEXT_MODULE,
        'archetypes' => array()
    ),

    // Receive a notification message of other peoples' quiz submissions.
    'mod/quiz:emailnotifysubmission' => array(
        'captype' => 'read',
        'contextlevel' => CONTEXT_MODULE,
        'archetypes' => array()
    )
);