From abffc5ab601bcde92ed28c69919c6d499599c037 Mon Sep 17 00:00:00 2001
From: "DESKTOP-T0O5CDB\\DESK-555BD" <ivancheahkf@gmail.com>
Date: Wed, 31 Jan 2024 11:39:14 -0700
Subject: [PATCH] prevent delta mileage from being 0.

---
 Helper/GasHelper.cs | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/Helper/GasHelper.cs b/Helper/GasHelper.cs
index 22d354e..4dce396 100644
--- a/Helper/GasHelper.cs
+++ b/Helper/GasHelper.cs
@@ -81,9 +81,16 @@ namespace CarCareTracker.Helper
                     else if (currentObject.IsFillToFull)
                     {
                         //if user filled to full.
-                        if (convertedConsumption > 0.00M)
+                        if (convertedConsumption > 0.00M && deltaMileage > 0)
                         {
-                            gasRecordViewModel.MilesPerGallon = useMPG ? (unFactoredMileage + deltaMileage) / (unFactoredConsumption + convertedConsumption) : 100 / ((unFactoredMileage + deltaMileage) / (unFactoredConsumption + convertedConsumption));
+                            try
+                            {
+                                gasRecordViewModel.MilesPerGallon = useMPG ? (unFactoredMileage + deltaMileage) / (unFactoredConsumption + convertedConsumption) : 100 / ((unFactoredMileage + deltaMileage) / (unFactoredConsumption + convertedConsumption));
+                            }
+                            catch (Exception ex)
+                            {
+                                gasRecordViewModel.MilesPerGallon = 0;
+                            }
                         }
                         //reset unFactored vars
                         unFactoredConsumption = 0;