Post.js

const { Model, DataTypes } = require('sequelize')
const sequelize = require('../config/connection')

class Post extends Model {}
Post.init(
  {
    id: {
      type: DataTypes.INTEGER,
      allowNull: false,
      primaryKey: true,
      autoIncrement: true,
    },
    title: {
      type: DataTypes.STRING,
      allowNull: false,
    },
    post_text: {
      type: DataTypes.TEXT,
      allowNull: false,
      validate: {
        len: [1],
      },
    },
    created_on: {
      type: DataTypes.DATEONLY,
      allowNull: false,
      defaultValue: DataTypes.NOW,
    },
    user_id: {
      type: DataTypes.INTEGER,
      references: {
        model: 'user',
        key: 'id',
      },
    },
  },
  {
    sequelize,
    freezeTableName: true,
    underscored: true,
    modelName: 'post',
  }
)

module.exports = Post