toggle fav and test from backend b00tc4mp#407

staff/belen-ivars/project/api/logic/toggleFavRecipe.js

@@ -0,0 +1,49 @@
+import { validate } from 'com'
+import { User, Recipe } from '../data/models.js'
+import { SystemError } from 'com/errors.js'
+
+async function toggleFavPost(userId, recipeId) {
+	validate.id(userId, 'user id')
+	validate.id(recipeId, 'user id')
+
+	let user
+
+	try {
+		user = await User.findById(userId)
+	} catch (error) {
+		throw new SystemError(error.message)
+	}
+
+	if (!user)
+		throw new NotFoundError('user not found')
+
+	let recipe
+
+	try {
+		recipe = await Recipe.findById(recipeId)
+	} catch (error) {
+		throw new SystemError(error.message)
+	}
+
+	if (!recipe)
+		throw new NotFoundError('recipe not found')
+
+	const index = user.favs.findIndex(recipeObjectId => recipeObjectId.toString() === recipeId)
+
+	if (index < 0) {
+		try {
+			await User.findOneAndUpdate({ _id: user.id }, { $push: { favs: recipeId } })
+		} catch (error) {
+			throw new SystemError(error.message)
+		}
+
+	} else {
+		try {
+			await User.findOneAndUpdate({ _id: user.id }, { $pull: { favs: recipeId } })
+		} catch (error) {
+			throw new SystemError(error.message)
+		}
+	}
+}
+
+export default toggleFavPost

staff/belen-ivars/project/api/logic/toggleFavRecipe.test.js

@@ -0,0 +1,16 @@
+import dotenv from 'dotenv'
+dotenv.config()
+import mongoose from 'mongoose'
+
+import toggleFavPost from './toggleFavRecipe.js'
+
+(async () => {
+	await mongoose.connect(process.env.MONGODB_URL)
+	try {
+		await toggleFavPost('65f85ac7883fd3713c8bd3a3', '66215a11f876a54941ba4cb1')
+
+		console.log('favs has been done')
+	} catch (error) {
+		console.log(error)
+	}
+})()