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
        },
        link: {
            type: DataTypes.STRING,
            allowNull: true            
        },
        state: {
            type: DataTypes.STRING,
            allowNull: false,
            defaultValue: 'draft'
        }, 
        summary: {
            type: DataTypes.STRING,
            allowNull: true
        },
    }, {
        tableName: 'posts',
        freezeTableName: true,
        timestamps: true,

        defaultScope: {
            where: {
                state: 'publish',
            },
        },
    });

    Post.associate = function (models) {
        Post.Categories = Post.belongsToMany(models.Category, { 
            as: 'categories',
            through: models.PostCategory,
            foreignKey: 'postId'
        });

        //Post.Reactions = Post.hasMany(models.PostReaction, { foreignKey: 'postId' });

//OJO antes de force comentar
// OJO GENERA UN FOREIGN KEY Con eventos y habrá ID de otras entidades que no exitan en la tabla eventos, porque son post o speakers
        Post.Multimedias = Post.hasMany(models.Multimedia, {
            foreignKey: 'entityId',
            as: { singular: 'multimedia', plural: 'multimedias' }
        });

        Post.Comments = Post.hasMany(models.Comment, {
            foreignKey: 'entityId',
            as: { singular: 'comment', plural: 'comments' }
        });
    };

    Post.addScope('includeCategories', () => {
        return {
            include: [{
                model: sequelize.models.Category,
                as: 'categories',
                required: false,
            }]
        }
    });

    Post.addScope('includeMultimedias', () => {
        return {
            include: [{
                model: sequelize.models.Multimedia,
                as: { singular: 'multimedia', plural: 'multimedias' },
                required: false,
                include: [{
                    model: sequelize.models.MultimediaFile,
                    as: "multimediaFile"
                }]
            },
            ]
        }
    });

    return Post;
};