75 lines
1.8 KiB
JavaScript
75 lines
1.8 KiB
JavaScript
'use strict';
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const mongoose = require('mongoose');
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const User = mongoose.model('User'),
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Book = mongoose.model('Book');
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exports.list_all = function(req, res) {
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res.json(req.user.borrowing);
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};
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exports.update = function(req, res) {
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Book.findOne({
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_id: req.body.bookId
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}).then((book) => {
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if (!book) {
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res.status(400).send("Book not found.");
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} else {
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// TODO check that the book isn't already borrowed
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req.user.borrowing.push({
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bookId: book._id,
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date: Date.now()
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});
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User.findOneAndUpdate({
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_id: req.user._id
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}, req.user, {
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useFindAndModify: false
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}).exec();
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book.amount_loaned += 1;
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Book.findOneAndUpdate({
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_id: book._id
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}, book, {
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useFindAndModify: false
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}).exec();
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res.json(req.user.borrowing);
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}
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});
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};
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// TODO
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exports.delete = function(req, res) {
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Book.findOne({
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_id: req.body.bookId
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}).then((book) => {
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if (!book) {
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res.status(400).send("Book not found.");
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} else {
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let isBookLoaned = false;
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for (let i = 0; i < req.user.borrowing.length; i++) {
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const b = req.user.borrowing[i];
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console.log(`${typeof b.bookId}, ${typeof book.id}`);
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if (b.bookId.toString() === book.id) {
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console.log(`${b.bookId}, ${book._id}`);
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req.user.borrowing.splice(i, 1);
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isBookLoaned = true;
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}
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}
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if (isBookLoaned) {
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User.findOneAndUpdate({
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_id: req.user._id
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}, req.user, {
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useFindAndModify: false
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}).exec();
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book.amount_loaned -= 1;
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Book.findOneAndUpdate({
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_id: book._id
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}, book, {
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useFindAndModify: false
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}).exec();
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res.json(req.user.borrowing);
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} else {
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res.status(400).send("You haven't loaned this book.")
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}
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}
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});
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}; |