31518/backend/src/db/models/courses.js
2025-05-14 12:14:42 +00:00

114 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 courses = sequelize.define(
'courses',
{
id: {
type: DataTypes.UUID,
defaultValue: DataTypes.UUIDV4,
primaryKey: true,
},
title: {
type: DataTypes.TEXT,
},
description: {
type: DataTypes.TEXT,
},
importHash: {
type: DataTypes.STRING(255),
allowNull: true,
unique: true,
},
},
{
timestamps: true,
paranoid: true,
freezeTableName: true,
},
);
courses.associate = (db) => {
db.courses.belongsToMany(db.users, {
as: 'instructors',
foreignKey: {
name: 'courses_instructorsId',
},
constraints: false,
through: 'coursesInstructorsUsers',
});
db.courses.belongsToMany(db.users, {
as: 'instructors_filter',
foreignKey: {
name: 'courses_instructorsId',
},
constraints: false,
through: 'coursesInstructorsUsers',
});
db.courses.belongsToMany(db.users, {
as: 'students',
foreignKey: {
name: 'courses_studentsId',
},
constraints: false,
through: 'coursesStudentsUsers',
});
db.courses.belongsToMany(db.users, {
as: 'students_filter',
foreignKey: {
name: 'courses_studentsId',
},
constraints: false,
through: 'coursesStudentsUsers',
});
/// loop through entities and it's fields, and if ref === current e[name] and create relation has many on parent entity
db.courses.hasMany(db.analytics, {
as: 'analytics_course',
foreignKey: {
name: 'courseId',
},
constraints: false,
});
db.courses.hasMany(db.discussion_boards, {
as: 'discussion_boards_course',
foreignKey: {
name: 'courseId',
},
constraints: false,
});
db.courses.hasMany(db.enrollments, {
as: 'enrollments_course',
foreignKey: {
name: 'courseId',
},
constraints: false,
});
//end loop
db.courses.belongsTo(db.users, {
as: 'createdBy',
});
db.courses.belongsTo(db.users, {
as: 'updatedBy',
});
};
return courses;
};