feat: add waitlist module, quick payment/transaction edit, and catering fee deduction from professor share

components/payments/paymentService.js

@@ -500,6 +500,43 @@ const cancelTransaction = async (transactionId, actorId = null) => {
   return getPaymentById(payment._id);
 };
 
+const revertTransaction = async (transactionId, actorId = null) => {
+  const trx = await Transaction.findById(transactionId);
+  if (!trx) throw new AppError('TRANSACTION_NOT_FOUND');
+  if (trx.status === 'reverted') {
+    throw new AppError('VALIDATION_FAILED', {}, 'این تراکنش قبلاً مسترد شده است.');
+  }
+
+  const payment = await Payment.findById(trx.payment);
+  if (!payment) throw new AppError('PAYMENT_NOT_FOUND');
+
+  const previousStatus = payment.status;
+  trx.status = 'reverted';
+  if (actorId) trx.recordedBy = actorId;
+  await trx.save();
+
+  await refreshPaymentTotals(payment);
+  await emitPaymentStatusChangedIfNeeded(payment, previousStatus, actorId);
+
+  return getPaymentById(payment._id);
+};
+
+const deleteTransaction = async (transactionId) => {
+  const trx = await Transaction.findById(transactionId);
+  if (!trx) throw new AppError('TRANSACTION_NOT_FOUND');
+
+  const payment = await Payment.findById(trx.payment);
+  await Transaction.findByIdAndDelete(transactionId);
+
+  if (payment) {
+    const previousStatus = payment.status;
+    await refreshPaymentTotals(payment);
+    await emitPaymentStatusChangedIfNeeded(payment, previousStatus);
+    return getPaymentById(payment._id);
+  }
+  return null;
+};
+
 const createBulkClassPayments = async (body, actorId = null) => {
   const { classId } = body;
   if (!classId) {
@@ -664,6 +701,8 @@ module.exports = {
   addTransaction,
   updateTransaction,
   cancelTransaction,
+  revertTransaction,
+  deleteTransaction,
   getMyPayments,
   createTransactionsForPayment,
   refreshPaymentTotals,