From 2be9d9b3965eeb96267eb5a5303c54784614df1f Mon Sep 17 00:00:00 2001
From: DeepnaPooja <poojathmideepna@gmail.com>
Date: Thu, 22 Oct 2026 10:41:58 +0530
Subject: [PATCH] feat: add DiscountAmount property to Invoice model for
 discount calculations

---
 Distribution/Models/Invoice.cs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Distribution/Models/Invoice.cs b/Distribution/Models/Invoice.cs
index c2a71f2..5985b62 100644
--- a/Distribution/Models/Invoice.cs
+++ b/Distribution/Models/Invoice.cs
@@ -19,6 +19,10 @@ namespace Distribution.Models
         public DateTime? FinalizedAt { get; set; }
         public Guid? FinalizedBy { get; set; }
 
+        /// <summary>Scheme discount redeemed against the PO, subtracted from the billable lines to give TotalAmount.</summary>
+        public decimal DiscountAmount { get; set; }
+
+        /// <summary>Payable amount: billable lines minus DiscountAmount.</summary>
         public decimal TotalAmount { get; set; }
 
         public ICollection<InvoiceItem> Items { get; set; } = new List<InvoiceItem>();