All files / models index.js

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const sequelize = require('../config/database');
const User = require('./User');
const Portfolio = require('./Portfolio');
const Trade = require('./Trade');
const Strategy = require('./Strategy');
const Transaction = require('./Transaction');
const FeeRecord = require('./FeeRecord');
 
// Define associations
User.hasOne(Portfolio, { foreignKey: 'userId', as: 'portfolio' });
Portfolio.belongsTo(User, { foreignKey: 'userId', as: 'user' });
 
User.hasMany(Trade, { foreignKey: 'userId', as: 'trades' });
Trade.belongsTo(User, { foreignKey: 'userId', as: 'user' });
 
User.hasMany(Transaction, { foreignKey: 'userId', as: 'transactions' });
Transaction.belongsTo(User, { foreignKey: 'userId', as: 'user' });
 
Portfolio.hasMany(Trade, { foreignKey: 'portfolioId', as: 'trades' });
Trade.belongsTo(Portfolio, { foreignKey: 'portfolioId', as: 'portfolio' });
 
Strategy.hasMany(Trade, { foreignKey: 'strategyId', as: 'trades' });
Trade.belongsTo(Strategy, { foreignKey: 'strategyId', as: 'strategy' });
 
User.hasMany(FeeRecord, { foreignKey: 'userId', as: 'fees' });
FeeRecord.belongsTo(User, { foreignKey: 'userId', as: 'user' });
 
module.exports = {
  sequelize,
  User,
  Portfolio,
  Trade,
  Strategy,
  Transaction,
  FeeRecord
};