From bbf2db0040e55b1a23613bbad2d9ad9627a196d0 Mon Sep 17 00:00:00 2001
From: Mark van der Wal <mark.vanderwal@akkerweb.nl>
Date: Tue, 7 Jul 2020 21:45:39 +0200
Subject: [PATCH] Tested and fixed some things

---
 FarmmapsNbs/NbsApplication.cs | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/FarmmapsNbs/NbsApplication.cs b/FarmmapsNbs/NbsApplication.cs
index 9e2e525..80e6b73 100644
--- a/FarmmapsNbs/NbsApplication.cs
+++ b/FarmmapsNbs/NbsApplication.cs
@@ -118,7 +118,12 @@ namespace FarmmapsNbs
             var uptakeMapItem =
                 await _nitrogenService.CalculateUptakeMap(cropfieldItem, geotiffItem, plantingDate,
                     measurementDate, input.InputVariable);
-
+            if (uptakeMapItem == null)
+            {
+                _logger.LogError("Something went wrong with creating the uptakeMap");
+                return;
+            }
+            
             _logger.LogInformation("Downloading uptake map");
             await _farmmapsApiService.DownloadItemAsync(uptakeMapItem.Code,
                 Path.Combine(DownloadFolder, $"{input.OutputFileName}.uptake.zip"));
@@ -129,6 +134,11 @@ namespace FarmmapsNbs
                     measurementDate,
                     input.InputVariable, targetNData.TargetN);
 
+            if (applicationMapItem == null)
+            {
+                _logger.LogError("Something went wrong with creating the applicationMap");
+                return;
+            }
             _logger.LogInformation("Downloading application map");
             await _farmmapsApiService.DownloadItemAsync(applicationMapItem.Code,
                 Path.Combine(DownloadFolder, $"{input.OutputFileName}.application.zip"));