From ceada079b5d3a75afbaaece3de467b3f120f63df Mon Sep 17 00:00:00 2001
From: "Collin M. Barrett" <collinbarrett@users.noreply.github.com>
Date: Mon, 26 Feb 2018 10:13:03 -0600
Subject: [PATCH] FilterParentListFromMaintainerAdditionalLists()

---
 .../FilterListService/FilterListService.cs    |  3 ++-
 .../FilterListServiceExtensions.cs            | 19 +++++++++++++++++++
 2 files changed, 21 insertions(+), 1 deletion(-)
 create mode 100644 src/FilterLists.Services/FilterListService/FilterListServiceExtensions.cs

diff --git a/src/FilterLists.Services/FilterListService/FilterListService.cs b/src/FilterLists.Services/FilterListService/FilterListService.cs
index 0658a9000..2956ec16a 100644
--- a/src/FilterLists.Services/FilterListService/FilterListService.cs
+++ b/src/FilterLists.Services/FilterListService/FilterListService.cs
@@ -30,7 +30,8 @@ public async Task<ListDetailsDto> GetDetailsAsync(int id)
             return await filterListsDbContext.FilterLists
                                              .AsNoTracking()
                                              .ProjectTo<ListDetailsDto>()
-                                             .FirstAsync(x => x.Id == id);
+                                             .FirstAsync(x => x.Id == id)
+                                             .FilterParentListFromMaintainerAdditionalLists();
         }
     }
 }
\ No newline at end of file
diff --git a/src/FilterLists.Services/FilterListService/FilterListServiceExtensions.cs b/src/FilterLists.Services/FilterListService/FilterListServiceExtensions.cs
new file mode 100644
index 000000000..b71ca658d
--- /dev/null
+++ b/src/FilterLists.Services/FilterListService/FilterListServiceExtensions.cs
@@ -0,0 +1,19 @@
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace FilterLists.Services.FilterListService
+{
+    public static class FilterListServiceExtensions
+    {
+        public static async Task<ListDetailsDto> FilterParentListFromMaintainerAdditionalLists(
+            this Task<ListDetailsDto> listDetailsDtos)
+        {
+            foreach (var maintainer in listDetailsDtos.Result.Maintainers)
+                maintainer.AdditionalLists = maintainer.AdditionalLists
+                                                       .Where(additionalList =>
+                                                           additionalList.Id != listDetailsDtos.Result.Id)
+                                                       .ToList();
+            return await listDetailsDtos;
+        }
+    }
+}
\ No newline at end of file