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;
};