app2-api/modules/blog/post.model.js

'use strict';

module.exports = function (sequelize, DataTypes) {
    const Post = sequelize.define('Post', {
        id: {
            type: DataTypes.UUID,
            defaultValue: DataTypes.UUIDV4,
            primaryKey: true,
        },
        date: {
            type: DataTypes.DATE,
            allowNull: false,
            defaultValue: DataTypes.NOW
        },
        image: {
            type: DataTypes.STRING,
            defaultValue: ""
        },
        title: {
            type: DataTypes.STRING,
            allowNull: false
        },
        content: {
            type: DataTypes.TEXT,
            allowNull: false
        },
    }, {
        tableName: 'post',
        freezeTableName: true,
        timestamps: true,
    });

    Post.associate = function (models) {
        Post.Categories = Post.belongsToMany(models.Category, { 
            through: models.PostCategory,
            foreignKey: 'postId'
        });
        Post.Comments = Post.hasMany(models.Comment, { foreignKey: 'postId' });
        //Post.Reactions = Post.hasMany(models.PostReaction, { foreignKey: 'postId' });
        //Post.User = Post.belongsTo(models.User, { foreignKey: 'userId' });
    };
    return Post;
};