97 lines
2.7 KiB
Dart
97 lines
2.7 KiB
Dart
import 'dart:async';
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import 'dart:math';
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import 'package:mnemo_cards_common/mnemo_cards_common.dart';
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import 'package:rxdart/rxdart.dart';
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import 'question_states/input_buttons_test_state.dart';
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import 'question_states/simple_test_state.dart';
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import 'question_states/test_question_state.dart';
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class TestHolder {
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final StreamController<_TestState?> _streamController =
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StreamController.broadcast();
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_TestState __state;
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TestHolder() : __state = _TestState({});
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void skip(int id) {
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final state = testQuestionState(id);
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switch (state?.testType) {
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case TestQuestionType.simple:
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state as SimpleTestState;
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setQuestionState(id, state.copyWith(isSkipped: true));
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break;
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case TestQuestionType.input_buttons:
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state as InputButtonsTestState;
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setQuestionState(id, state.copyWith(isSkipped: true));
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break;
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case TestQuestionType.matrix:
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// TODO: Handle this case.
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break;
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case TestQuestionType.match:
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// TODO: Handle this case.
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break;
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case TestQuestionType.undefined:
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// TODO: Handle this case.
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case null:
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// TODO: Handle this case.
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break;
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}
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}
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void setQuestionState(int id, TestQuestionState state) => _state = _TestState(
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Map.from(_state.questions..[id] = state),
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);
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void clear() {
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_state = _TestState({});
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_streamController.add(_state);
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}
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void setQuestions(List<AbstractTestQuestion> questions) {
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final stateQuestions = <int, TestQuestionState>{};
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final seed = Random().nextInt(999);
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for (final question in questions) {
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switch (question.questionType) {
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case TestQuestionType.simple:
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stateQuestions[question.id!] = SimpleTestState(
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seed: seed,
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word: question.word,
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);
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case TestQuestionType.input_buttons:
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stateQuestions[question.id!] = InputButtonsTestState(
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seed: seed,
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word: question.word,
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);
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case TestQuestionType.matrix:
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// TODO: Handle this case.
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case TestQuestionType.match:
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// TODO: Handle this case.
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case TestQuestionType.undefined:
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// TODO: Handle this case.
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}
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}
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_state = _TestState(stateQuestions);
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}
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TestQuestionState? testQuestionState(int id) => _state.questions[id];
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_TestState get state => _state;
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_TestState get _state => __state;
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void set _state(_TestState state) {
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__state = state;
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_streamController.add(__state);
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}
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Stream<_TestState?> get asStream =>
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_streamController.stream.startWith(_state);
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}
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class _TestState {
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final Map<int, TestQuestionState> questions;
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_TestState(this.questions);
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}
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