Lesson 14

.gitignore

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+node_modules/
+.env

backend/.env

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+PORT=4000
+MONGO_URI=mongodb+srv://mario:[email protected]/merndb?retryWrites=true&w=majority

backend/controllers/workoutController.js

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+const Workout = require('../models/workoutModel')
+const mongoose = require('mongoose')
+
+// get all workouts
+const getWorkouts = async (req, res) => {
+  const workouts = await Workout.find({}).sort({createdAt: -1})
+
+  res.status(200).json(workouts)
+}
+
+// get a single workout
+const getWorkout = async (req, res) => {
+  const { id } = req.params
+
+  if (!mongoose.Types.ObjectId.isValid(id)) {
+    return res.status(404).json({error: 'No such workout'})
+  }
+
+  const workout = await Workout.findById(id)
+
+  if (!workout) {
+    return res.status(404).json({error: 'No such workout'})
+  }
+
+  res.status(200).json(workout)
+}
+
+// create a new workout
+const createWorkout = async (req, res) => {
+  const {title, load, reps} = req.body
+
+  let emptyFields = []
+
+  if (!title) {
+    emptyFields.push('title')
+  }
+  if (!load) {
+    emptyFields.push('load')
+  }
+  if (!reps) {
+    emptyFields.push('reps')
+  }
+  if (emptyFields.length > 0) {
+    return res.status(400).json({ error: 'Please fill in all fields', emptyFields })
+  }
+
+  // add to the database
+  try {
+    const workout = await Workout.create({ title, load, reps })
+    res.status(200).json(workout)
+  } catch (error) {
+    res.status(400).json({ error: error.message })
+  }
+}
+
+// delete a workout
+const deleteWorkout = async (req, res) => {
+  const { id } = req.params
+
+  if (!mongoose.Types.ObjectId.isValid(id)) {
+    return res.status(400).json({error: 'No such workout'})
+  }
+
+  const workout = await Workout.findOneAndDelete({_id: id})
+
+  if(!workout) {
+    return res.status(400).json({error: 'No such workout'})
+  }
+
+  res.status(200).json(workout)
+}
+
+// update a workout
+const updateWorkout = async (req, res) => {
+  const { id } = req.params
+
+  if (!mongoose.Types.ObjectId.isValid(id)) {
+    return res.status(400).json({error: 'No such workout'})
+  }
+
+  const workout = await Workout.findOneAndUpdate({_id: id}, {
+    ...req.body
+  })
+
+  if (!workout) {
+    return res.status(400).json({error: 'No such workout'})
+  }
+
+  res.status(200).json(workout)
+}
+
+module.exports = {
+  getWorkouts,
+  getWorkout,
+  createWorkout,
+  deleteWorkout,
+  updateWorkout
+}

backend/models/workoutModel.js

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+const mongoose = require('mongoose')
+
+const Schema = mongoose.Schema
+
+const workoutSchema = new Schema({
+  title: {
+    type: String,
+    required: true
+  },
+  reps: {
+    type: Number,
+    required: true
+  },
+  load: {
+    type: Number,
+    required: true
+  }
+}, { timestamps: true })
+
+module.exports = mongoose.model('Workout', workoutSchema)