router.post('/:userId/like/:postId', (req, res)=> {
    models.Post.findOne({
      where:{
          id: req.params.postId
      }
    })
    .then( (like) => {
        if(like){
            models.Likes.create({
                where:{
                    userId: req.params.userId,
                    postId: req.params.postId
                },
                like:true

            }).then( (result) => {
                res.status(200).send({
                    message: 'You have like this post',
                    like: result
                })
            })
        }
    }).catch( (err) => {
        res.status(401).send({
            message: "Something went wrong",
            err: err
        })
    })

})

const Like = (sequelize, DataTypes) => {
    const Likes = sequelize.define('Likes', {
      like:{
        type:DataTypes.BOOLEAN,
        allowNull:true
      }
    }, {});
    Likes.associate = function(models) {
      Likes.belongsTo(models.User, {
        onDelete: "CASCADE",
        foreignKey: 'userId',
        targetKey: 'id',

      })
      Likes.belongsTo(models.Post, {
        onDelete: 'CASCADE',
        foreignKey: 'likeId',
        targetKey: 'id',
      })
  }
    return Likes;
};
module.exports = Like;

module.exports = (sequelize, DataTypes) => {
  const Post = sequelize.define('Post', {
    title: DataTypes.STRING,
    post_content: DataTypes.STRING,
    username:  DataTypes.STRING
  }, {});
  Post.associate = function(models) {
    Post.belongsTo(models.User, {  foreignKey: 'userId',  targetKey: 'id' });
    Post.belongsTo(models.Likes, {  foreignKey: 'likeId',  targetKey: 'id' });
  };
  return Post;
};

'use strict';

const User = (sequelize, DataTypes) => {
  const myUser = sequelize.define('User', {
    username: DataTypes.STRING,
    email: DataTypes.STRING,
    password: DataTypes.STRING,
    resetPasswordToken:DataTypes.STRING,
    resetPasswordExpires: DataTypes.DATE
  }, {});

  myUser.associate = function(models) {

    myUser.hasMany(models.Post, { foreignKey: 'userId', as:'users' });
    myUser.hasMany(models.Likes, { foreignKey: 'userId', as:'likes' });
  };

  return myUser;
};

module.exports = User;