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cmds_favs.js
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cmds_favs.js
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const {User, Quiz} = require("./model.js").models;
// Show all favourites in DB including <user> and <id>
exports.list = async (rl) => {
let users = await User.findAll({
include: [{model: Quiz, as: 'fav'}]
});
users.forEach(u => {
if (u.fav.length !== 0) {
u.fav.forEach(q =>
rl.log(` Quiz ${q.id} (${q.question}) favourite of ${u.name}`)
)
}
});
}
// Create favourite in the DB
exports.create = async (rl) => {
let name = await rl.questionP("Enter name");
let id = await rl.questionP("Enter quiz id");
if (!name || !id) throw new Error("Response can't be empty!");
let user = await User.findOne({where: {name}});
if (!user) throw new Error(` ${name} not in DB`);
let quiz = await Quiz.findByPk(Number(id));
if (!quiz) throw new Error(` Quiz not in DB`);
await user.addFav(quiz)
rl.log(` '${quiz.question} -> ${quiz.answer} (${id})' favourite of ${name}`);
}
// Delete favourite in the DB
exports.delete = async (rl) => {
let name = await rl.questionP("Enter name");
let id = await rl.questionP("Enter quiz id");
if (!name || !id) throw new Error("Response can't be empty!");
let user = await User.findOne({where: {name}});
if (!user) throw new Error(` ${name} not in DB`);
let quiz = await Quiz.findByPk(Number(id));
if (!quiz) throw new Error(` Quiz not in DB`);
await user.removeFav(quiz);
rl.log(` Favourite (${id}, ${name}) deleted`);
}