test.class.js

class Test extends Base {

    constructor(propertyValues) {
        super(propertyValues);

        $("#content").empty();
        var questionList = new QuestionList();
        this.questionList = questionList;
        var alternativeList = new AlternativeList();
        this.alternativeList = alternativeList;

        this.currentQuestion = 0;
        this.answers = [];

        var checkGrade = new UserList();
        checkGrade.checkGrade(() => {
            if (checkGrade.length > 0) {
                var userDenied = new UserDenied();
                userDenied.display('#content');
            } else {
                questionList.readAllQuestions(() => {
                    for (var question of this.questionList) {
                        question.nbrOfQuestions = this.questionList.length;
                        this.answers.push(1);
                    }

                    alternativeList.readAllAlternatives(() => {
                        this.showQuestion();

                    });

                });

            }
        });

    }

    insertAnswers(callback) {
        for (let i = 0; i < this.answers.length; i++) {
            this.db.insertAnswer({
                user_userId: window.user,
                alternative_optionId: this.answers[i]
            }, callback);
        }
    }

    showQuestion() {
        $('#content').empty();
        this.questionList[this.currentQuestion].display('#content');

        for (var alternative of this.alternativeList) {
            if (alternative.question_questionId === this.questionList[this.currentQuestion].questionId) {
                alternative.display('#content');
            }
        }

        var buttons = new Buttons();
        buttons.test = this;
        buttons.display('#content');
    }

    static get sqlQueries() {
        return {
            insertAnswer: `
        INSERT user_answers_alternative SET ?

      `
        }
    }
}