database.php

<?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/>.

class DbUtils {

    // Summary database table name.
    private const TABLE_SUMMARY = "assignsubmission_dta_summary";
    // Result database table name.
    private const TABLE_RESULT = "assignsubmission_dta_result";

    /**
     * gets summary with all corresponding result entries
     *
     * @param int $assignmentid assignment id to search for
     * @param int $submissionid submission id to search for
     * @return DttResultSummary representing given submission
     */
    public static function getresultsummaryfromdatabase(
        int $assignmentid,
        int $submissionid
    ): DtaResultSummary {
        global $DB;

        // Fetch data from database.
        $summaryrecord = $DB->get_record(self::TABLE_SUMMARY, array(
            "assignment_id" => $assignmentid,
            "submission_id" => $submissionid
        ));

        $resultsarray = $DB->get_records(self::TABLE_RESULT, array(
            "assignment_id" => $assignmentid,
            "submission_id" => $submissionid
        ));

        // Create a summary instance.
        $summary = new DtaResultSummary();
        $summary->timestamp = $summaryrecord->timestamp;
        $summary->globalstacktrace = $summaryrecord->global_stacktrace;
        $summary->successfultestcompetencies = $summaryrecord->successful_competencies;
        $summary->overalltestcompetencies = $summaryrecord->tested_competencies;
        $summary->results = array();

        // Create result instances and add to array of summary instance.
        foreach ($resultsarray as $rr) {
            $result = new DtaResult();
            $result->packagename = $rr->package_name;
            $result->classname = $rr->class_name;
            $result->name = $rr->name;
            $result->state = $rr->state;
            $result->failuretype = $rr->failure_type;
            $result->failurereason = $rr->failure_reason;
            $result->stacktrace = $rr->stacktrace;
            $result->columnnumber = $rr->column_number;
            $result->linenumber = $rr->line_number;
            $result->position = $rr->position;

            $summary->results[] = $result;