tpbproxy/models/sql/index.js
2024-01-05 22:06:34 -05:00

110 lines
3.1 KiB
JavaScript

'use strict';
const fs = require('fs');
const path = require('path');
const { Sequelize, Utils } = require('sequelize');
const process = require('process');
const basename = path.basename(__filename);
const env = process.env.NODE_ENV || 'development';
const config = require(__dirname + '/config/config.js');
const db = {};
let sequelize;
// Connect sequelize models to LDAP models
const ldapModels = require('../ldap');
function getFieldWithLdap(attributes){
let out = [];
for (const [attribute, options] of Object.entries(attributes)) {
if(options.ldapModel) out.push(attribute)
}
return out;
}
const sequilze_conf = {
define: {
hooks: {
async afterValidate(instance) {
let hasError = false;
function itemError(key, validator, message){
let error = new Sequelize.ValidationErrorItem(message);
error.type = 'Validation error';
error.path = key;
error.origin = 'FUNCTION';
error.instance = instance;
error.validatorKey = 'validator';
error.validatorName = 'validator';
error.validatorArgs = [];
error.original = [];
throw new Sequelize.ValidationError(null, [error]);
}
for(let attribute of getFieldWithLdap(this.getAttributes())){
let externalModel = ldapModels[this.getAttributes()[attribute].ldapModel];
if(!externalModel) itemError(attribute, 'modelExists', `LDAP model ${this.getAttributes()[attribute].ldapModel} not found.`);
if(!hasError && !(await externalModel.exists(instance[attribute])) ) itemError(attribute, 'foreignKey', `LDAP model has no object ${instance[attribute]}`);
}
}
}
}
}
class _Model extends Sequelize.Model{
constructor(...args){
super(...args)
let hasLdap = getFieldWithLdap(this.constructor.getAttributes())
for(let attribute of hasLdap){
let externalModelName = this.constructor.getAttributes()[attribute].ldapModel;
this[`get${externalModelName}`] = async function(){
return await ldapModels[externalModelName].get(this[attribute]);
}
}
}
// Backward compatible with my LDAP and Redis models.
// I will update the LDAP and Redis stuff to have method interfaces inline with sequilze
static async get(token){
return await this.findByPk(token);
}
}
if (config.use_env_variable) {
sequelize = new Sequelize(process.env[config.use_env_variable], config);
} else {
sequelize = new Sequelize(config.database, config.username, config.password, {...config, ...sequilze_conf});
}
fs
.readdirSync(__dirname)
.filter(file => {
return (
file.indexOf('.') !== 0 &&
file !== basename &&
file.slice(-3) === '.js' &&
file.indexOf('.test.js') === -1
);
})
.forEach(file => {
const model = require(path.join(__dirname, file))(sequelize, Sequelize.DataTypes, _Model);
db[model.name] = model;
});
Object.keys(db).forEach(modelName => {
if (db[modelName].associate) {
db[modelName].associate(db);
}
});
db.sequelize = sequelize;
db.Sequelize = Sequelize;
module.exports = db;