119 lines
3.4 KiB
TypeScript
119 lines
3.4 KiB
TypeScript
import { Request, Response } from 'express';
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import { createQuestion, deleteQuestion, getAllQuestions, getAnswersByQuestion, getQuestion } from '../services/questions.js';
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import { FALLBACK_LANG, FALLBACK_SEQ_NUM } from '../config.js';
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import { LearningObjectIdentifier } from '../entities/content/learning-object-identifier.js';
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import { QuestionDTO, QuestionId } from '@dwengo-1/common/interfaces/question';
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import { Language } from '@dwengo-1/common/util/language';
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function getObjectId(req: Request, res: Response): LearningObjectIdentifier | null {
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const { hruid, version } = req.params;
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const lang = req.query.lang;
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if (!hruid || !version) {
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res.status(400).json({ error: 'Missing required parameters.' });
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return null;
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}
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return {
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hruid,
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language: (lang as Language) || FALLBACK_LANG,
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version: Number(version),
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};
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}
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function getQuestionId(req: Request, res: Response): QuestionId | null {
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const seq = req.params.seq;
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const learningObjectIdentifier = getObjectId(req, res);
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if (!learningObjectIdentifier) {
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return null;
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}
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return {
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learningObjectIdentifier,
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sequenceNumber: seq ? Number(seq) : FALLBACK_SEQ_NUM,
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};
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}
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export async function getAllQuestionsHandler(req: Request, res: Response): Promise<void> {
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const objectId = getObjectId(req, res);
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const full = req.query.full === 'true';
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if (!objectId) {
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return;
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}
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const questions = await getAllQuestions(objectId, full);
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if (!questions) {
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res.status(404).json({ error: `Questions not found.` });
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} else {
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res.json({ questions: questions });
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}
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}
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export async function getQuestionHandler(req: Request, res: Response): Promise<void> {
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const questionId = getQuestionId(req, res);
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if (!questionId) {
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return;
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}
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const question = await getQuestion(questionId);
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if (!question) {
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res.status(404).json({ error: `Question not found.` });
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} else {
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res.json(question);
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}
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}
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export async function getQuestionAnswersHandler(req: Request, res: Response): Promise<void> {
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const questionId = getQuestionId(req, res);
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const full = req.query.full === 'true';
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if (!questionId) {
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return;
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}
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const answers = await getAnswersByQuestion(questionId, full);
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if (!answers) {
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res.status(404).json({ error: `Questions not found` });
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} else {
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res.json({ answers: answers });
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}
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}
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export async function createQuestionHandler(req: Request, res: Response): Promise<void> {
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const questionDTO = req.body as QuestionDTO;
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if (!questionDTO.learningObjectIdentifier || !questionDTO.author || !questionDTO.content) {
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res.status(400).json({ error: 'Missing required fields: identifier and content' });
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return;
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}
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const question = await createQuestion(questionDTO);
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if (!question) {
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res.status(400).json({ error: 'Could not create question' });
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} else {
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res.json(question);
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}
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}
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export async function deleteQuestionHandler(req: Request, res: Response): Promise<void> {
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const questionId = getQuestionId(req, res);
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if (!questionId) {
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return;
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}
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const question = await deleteQuestion(questionId);
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if (!question) {
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res.status(400).json({ error: 'Could not find nor delete question' });
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} else {
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res.json(question);
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}
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}
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