thought-controller.js

const { User, Thought } = require('../models');

const thoughtController = {
    // get all thoughts
    getAllThoughts(req, res) {
        Thought.find({})
            .populate({
                path: 'user',
                select: '-__v'
            })
            .select('-__v')
            .then(dbThoughtData => res.json(dbThoughtData))
            .catch(err => {
                console.log(err);
                res.status(400).json(err);
            });
    },

    // get one thought by id
    getThoughtById({ params }, res) {
        Thought.findOne({ _id: params.id })
            .populate({
                path: 'user',
                select: '-__v'
            })
            .select('-__v')
            .then(dbThoughtData => {
                // If no Thought is found, send 404
                if (!dbThoughtData) {
                    res.status(404).json({ message: 'No Thought found with this id!' });
                    return;
                }
                res.json(dbThoughtData);
            })
            .catch(err => {
                console.log(err);
                res.status(400).json(err);
            });
    },

    // createThought
    createThought({ body }, res) {
        Thought.create(body)
            .then(({ _id}) => {
                return User.findOneAndUpdate(
                    { username: body.username },
                    { $push: { thoughts: _id }},
                    { new: true}
                );
            })
            .then(dbUserData => {
                if (!dbUserData) {
                    res.status(404).json({ message: 'No User found with this username!'});
                    return;
                }
                res.json(dbUserData);
            }) 
            .catch(err => res.json(err));
    },

    // update thought by id
    updateThought({ params, body }, res) {
        Thought.findOneAndUpdate({ _id: params.id }, body, { new: true, runValidators: true })
            .then(dbThoughtData => {
                if (!dbThoughtData) {
                    res.status(404).json({ message: 'No thought found with this id!' });
                    return;
                }
                res.json(dbThoughtData);
            })
            .catch(err => res.status(400).json(err));
    },

    // delete thought
    deleteThought({ params }, res) {
        Thought.findOneAndDelete({ _id: params.id })
            .then(dbThoughtData => {
                if (!dbThoughtData) {
                    res.status(404).json({ message: 'No thought found with this id!' });
                    return;
                }
                res.json(dbThoughtData);
            })
            .catch(err => res.status(400).json(err));
    },

    // create reaction in a single thought
    createReaction({ params, body }, res) {
        Thought.findOneAndUpdate(
                    { _id: params.thoughtId },
                    { $push: { reactions: body }},
                    { new: true, runValidators: true }
                )
            .then(dbThoughtData => {
                if (!dbThoughtData) {
                    res.status(404).json({ message: 'No thought found with this id!'});
                    return;
                }
                res.json(dbThoughtData);
            }) 
            .catch(err => res.json(err));
    },

    // delete reaction

    deleteReaction({ params }, res) {
        Thought.findOneAndUpdate(
          { _id: params.thoughtId },
          { $pull: { reactions: { reactionId: params.reactionId } } },
          { new: true }
        )
          .then(dbThoughtData => res.json(dbThoughtData))
          .catch(err => res.json(err));
      },

    // get all reactions

    getAllReactions(req, res) {
        Thought.find({})
            .populate({
                path: 'thoughts',
                select: '-__v'
            })
            .select('-__v')
            .then(dbThoughtData => res.json(dbThoughtData))
            .catch(err => {
                console.log(err);
                res.status(400).json(err);
            });
    }

}

module.exports = thoughtController;