2026-04-11 19:31:09 +00:00

196 lines
2.4 KiB
JavaScript

const config = require('../../config');
const providers = config.providers;
const crypto = require('crypto');
const bcrypt = require('bcrypt');
const moment = require('moment');
module.exports = function(sequelize, DataTypes) {
const lessons = sequelize.define(
'lessons',
{
id: {
type: DataTypes.UUID,
defaultValue: DataTypes.UUIDV4,
primaryKey: true,
},
title: {
type: DataTypes.TEXT,
},
summary: {
type: DataTypes.TEXT,
},
lesson_type: {
type: DataTypes.ENUM,
values: [
"video",
"article",
"file",
"quiz"
],
},
position: {
type: DataTypes.INTEGER,
},
is_preview: {
type: DataTypes.BOOLEAN,
allowNull: false,
defaultValue: false,
},
status: {
type: DataTypes.ENUM,
values: [
"draft",
"published",
"archived"
],
},
published_at: {
type: DataTypes.DATE,
},
video_url: {
type: DataTypes.TEXT,
},
content: {
type: DataTypes.TEXT,
},
estimated_minutes: {
type: DataTypes.DECIMAL,
},
importHash: {
type: DataTypes.STRING(255),
allowNull: true,
unique: true,
},
},
{
timestamps: true,
paranoid: true,
freezeTableName: true,
},
);
lessons.associate = (db) => {
/// loop through entities and it's fields, and if ref === current e[name] and create relation has many on parent entity
db.lessons.hasMany(db.lesson_progress, {
as: 'lesson_progress_lesson',
foreignKey: {
name: 'lessonId',
},
constraints: false,
});
//end loop
db.lessons.belongsTo(db.courses, {
as: 'course',
foreignKey: {
name: 'courseId',
},
constraints: false,
});
db.lessons.hasMany(db.file, {
as: 'attachments',
foreignKey: 'belongsToId',
constraints: false,
scope: {
belongsTo: db.lessons.getTableName(),
belongsToColumn: 'attachments',
},
});
db.lessons.belongsTo(db.users, {
as: 'createdBy',
});
db.lessons.belongsTo(db.users, {
as: 'updatedBy',
});
};
return lessons;
};