const like = sequelize.define('like', {
   id: {
     allowNull: false,
     autoIncrement: true,
     primaryKey: true,
     type: DataTypes.INTEGER,
   },
   user_id: DataTypes.INTEGER,
   other_user_id: DataTypes.INTEGER,
 }, { freezeTableName: true, timestamps: false });
 like.associate = (model) => {
   // 1 to many with like table
   like.belongsTo(model.user, { foreignKey: 'user_id' });
 };
 return like;

const user = sequelize.define('user', {
    id: {
      allowNull: false,
      autoIncrement: true,
      primaryKey: true,
      type: DataTypes.INTEGER,
    },
    username: {
      type: DataTypes.STRING,
      unique: {
        args: true,
        msg: 'Username already in use!',
      },
    },
    password: DataTypes.STRING,
  }, { freezeTableName: true, timestamps: false });
  user.associate = (model) => {
    // 1 to many with like table
    user.hasMany(model.like, {
      foreignKey: 'user_id',
    });
  };
  return user;

attributes: ['id', [sequelize.fn('count', sequelize.col('id')), 'count']],
        include: [

          {
            model: user,
          },

        ],
        where: {user.id: 40},

        group: ['user.id'],

      });