Final commit.

classes/db/quizquery.php

-<?php
-// This file is part of Moodle - https://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 <https://www.gnu.org/licenses/>.
-
-/**
- * The plugin uses the ASYST grading tool <https://transfer.hft-stuttgart.de/gitlab/ulrike.pado/ASYST>
- * modified to work as a web endpoint.
- *
- * @package   local_asystgrade
- * @copyright 2024 Artem Baranovskyi <artem.baranovsky1980@gmail.com>
- * @copyright based on work by 2023 Ulrike Padó <ulrike.pado@hft-stuttgart.de>,
- * @copyright Yunus Eryilmaz & Larissa Kirschner <https://link.springer.com/article/10.1007/s40593-023-00383-w>
- * @license   https://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
- */
-
-namespace local_asystgrade\db;
-
-use dml_exception;
-use moodle_database;
-use moodle_recordset;
-use stdClass;
-
-/**
- * Class quizquery handles some SQL queries to fetch data about Quiz
- */
-class quizquery implements quizquery_interface {
-
-    /**
-     * @var moodle_database $db $DB Holds Moodle Database connection
-     */
-    private moodle_database $db;
-
-    /**
-     * Setting DB connection as a class property
-     */
-    public function __construct() {
-        global $DB;
-        $this->db = $DB;
-    }
-
-    /**
-     * Function fetches set of question_attempt records
-     *
-     * @param int $qid
-     * @param int $slot
-     * @return moodle_recordset
-     * @throws dml_exception
-     */
-    public function get_question_attempts(int $qid, int $slot): moodle_recordset {
-        return $this->db->get_recordset(
-            'question_attempts',
-            [
-                'questionid' => $qid,
-                'slot' => $slot
-            ],
-            '',
-            '*'
-        );
-    }
-
-    /**
-     * Function fetches reference_answer
-     *
-     * @param int $qid
-     * @return stdClass
-     * @throws dml_exception
-     */
-    public function get_reference_answer(int $qid): stdClass {
-        return $this->db->get_record(
-            'qtype_essay_options',
-            [
-                'questionid' => $qid
-            ],
-            '*',
-            MUST_EXIST
-        )->graderinfo;
-    }
-
-    /**
-     * Function fetches set of question_attempt_steps records
-     *
-     * @param int $questionAttemptId
-     * @return moodle_recordset
-     * @throws dml_exception
-     */
-    public function get_attempt_steps(int $questionattemptid): moodle_recordset {
-        return $this->db->get_recordset(
-            'question_attempt_steps',
-            [
-                'questionattemptid' => $questionattemptid
-            ],
-            '',
-            '*'
-        );
-    }
-
-    /**
-     * Function fetches reference_answer
-     *
-     * @param int $attemptStepId
-     * @return stdClass
-     * @throws dml_exception
-     */
-    public function get_student_answer(int $attemptstepid): stdClass {
-        return $this->db->get_record(
-            'question_attempt_step_data',
-            [
-                'attemptstepid' => $attemptstepid,
-                'name' => 'answer'
-            ],
-            '*',
-            MUST_EXIST
-        )->value;
-    }
-}

classes/db/quizquery_interface.php

-<?php
-// This file is part of Moodle - https://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 <https://www.gnu.org/licenses/>.
-
-/**
- * The plugin uses the ASYST grading tool <https://transfer.hft-stuttgart.de/gitlab/ulrike.pado/ASYST>
- * modified to work as a web endpoint.
- *
- * @package   local_asystgrade
- * @copyright 2024 Artem Baranovskyi <artem.baranovsky1980@gmail.com>
- * @copyright based on work by 2023 Ulrike Padó <ulrike.pado@hft-stuttgart.de>,
- * @copyright Yunus Eryilmaz & Larissa Kirschner <https://link.springer.com/article/10.1007/s40593-023-00383-w>
- * @license   https://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
- */
-
-namespace local_asystgrade\db;
-
-/**
- * Interface for executing queries related to quiz attempts.
- */
-interface quizquery_interface {
-
-    /**
-     * Get question attempts for a given question ID and slot.
-     *
-     * @param int $qid The question ID.
-     * @param int $slot The question slot.
-     * @return moodle_recordset A moodle_recordset of question attempts.
-     */
-    public function get_question_attempts(int $qid, int $slot): moodle_recordset;
-
-    /**
-     * Get the reference answer for a given question ID.
-     *
-     * @param int $qid The question ID.
-     * @return stdClass The reference answer.
-     */
-    public function get_reference_answer(int $qid): stdClass;
-
-    /**
-     * Get the attempt steps for a given question attempt ID.
-     *
-     * @param int $questionAttemptId The question attempt ID.
-     * @return moodle_recordset A moodle_recordset of attempt steps.
-     */
-    public function get_attempt_steps(int $questionattemptid): moodle_recordset;
-
-    /**
-     * Get the student answer for a given attempt step ID.
-     *
-     * @param int $attemptStepId The attempt step ID.
-     * @return stdClass The student answer.
-     */
-    public function get_student_answer(int $attemptstepid): stdClass;
-}

readme.md

@@ -70,14 +70,6 @@ class local_asystgrade_lib {
 +string generate_script(array grades, array inputNames, float maxmark)
 }
 
-class quizquery {
-+get_question_attempts($qid, $slot)
-+get_reference_answer($qid)
-+get_attempt_steps($question_attempt_id)
-+get_student_answer($attemptstepid)
-+bool gradesExist(int quizid, int userid)
-}
-
 class client {
 +send_data(array $data): bool|string
 +getInstance(string $endpoint, http_client_interface $httpClient): client
@@ -98,18 +90,11 @@ class provider {
 +string get_reason()
 }
 
-class DB {
-    
-}
-
-local_asystgrade_lib <--> quizquery : interacts with
 local_asystgrade_lib --> client : sends data to
 local_asystgrade_lib <-- client : get response from
 client --> http_client_interface : implements
 client --> http_client : uses
 http_client_interface <|-- http_client : implements
-quizquery --> quizquery_interface : implements
-quizquery --> DB : uses
 provider --> core_privacy_local_metadata_null_provider : implements
 
 quiz_api_test --> client : sends data to