Update auth, question, answer

drill-and-practice/services/answerService.js

@@ -0,0 +1,44 @@
+import { sql } from "../database/database.js";
+
+const countAnswers = async () => {
+  const result = await sql`SELECT COUNT(id) FROM question_answer_options`;
+  return result.rows[0].count;
+};
+
+const getAnswersByQuestionId = async (questionId) => {
+  const result =
+    await sql`SELECT * FROM question_answer_options WHERE question_id = ${questionId}`;
+  return result.rows;
+};
+
+const addAnswer = async (questionId, optionText, isCorrect) => {
+  await sql`INSERT INTO question_answer_options (question_id, option_text, is_correct) VALUES (${questionId}, ${optionText}, ${isCorrect})`;
+};
+
+const deleteAnswer = async (questionId, optionId) => {
+  await sql`DELETE FROM question_answer_options WHERE question_id = ${questionId} AND id = ${optionId}`;
+};
+
+const deleteAnswerByOptionId = async (optionId) => {
+  await sql`DELETE FROM question_answer_options WHERE id = ${optionId}`;
+};
+
+const getCorrectOption = async (questionId) => {
+  const result =
+    await sql`SELECT * FROM question_answer_options WHERE question_id = ${questionId} AND is_correct = true`;
+  return result.rows;
+};
+
+const storeAnswer = async (userId, questionId, optionId) => {
+  await sql`INSERT INTO question_answers (user_id, question_id, question_answer_option_id) VALUES (${userId}, ${questionId}, ${optionId})`;
+};
+
+export {
+  countAnswers,
+  getAnswersByQuestionId,
+  addAnswer,
+  deleteAnswer,
+  deleteAnswerByOptionId,
+  getCorrectOption,
+  storeAnswer,
+};