models initialization refactored, better dev experience as backend hmr is working

server/api/models/oauth_code.js

@@ -1,13 +1,5 @@
-
-const sequelize = require('./index').sequelize
-const { Model, DataTypes } = require('sequelize')
-
-const User = require('./user')
-const OAuthClient = require('./oauth_client')
-
-class OAuthCode extends Model {}
-
-OAuthCode.init({
+module.exports = (sequelize, DataTypes) => 
+  sequelize.define('oauth_code', {
   authorizationCode: {
     type: DataTypes.STRING,
     primaryKey: true
@@ -15,9 +7,4 @@ OAuthCode.init({
   expiresAt: DataTypes.DATE,
   scope: DataTypes.STRING,
   redirect_uri: DataTypes.STRING
-}, { sequelize, modelName: 'oauth_code' })
-
-OAuthCode.belongsTo(User)
-OAuthCode.belongsTo(OAuthClient, { as: 'client' })
-
-module.exports = OAuthCode
+})