Move webapi to sub folder

GerbilManagerWebAPI/Repositories/InMemGerbilRepository.cs

@@ -0,0 +1,39 @@
+using GerbilManager.Models;
+
+namespace GerbilManager.Repositories
+{
+    public class InMemGerbilRepository : IGerbilRepository
+    {
+        private readonly List<Gerbil> _gerbilList = new()
+        {
+            new Gerbil() {Id = Guid.NewGuid(), Name = "Blacky", Breeder = null, Litter = null, Gender = Gender.unknown},
+            new Gerbil() {Id = Guid.NewGuid(), Name = "Coocky", Breeder = null, Litter = null, Gender = Gender.male},
+            new Gerbil() {Id = Guid.NewGuid(), Name = "Lazy", Breeder = null, Litter = null, Gender = Gender.female}
+        };
+
+        public IEnumerable<Gerbil> GetGerbils()
+        {
+            return _gerbilList;
+        }
+
+        public Gerbil GetGerbil(Guid id) => _gerbilList.SingleOrDefault(x => x.Id == id);
+
+        public void CreateGerbil(Gerbil gerbil)
+        {
+            _gerbilList.Add(gerbil);
+        }
+
+        public void UpdateGerbil(Gerbil gerbil)
+        {
+            var index = this._gerbilList.FindIndex(existingGerbil => existingGerbil.Id == gerbil.Id);
+            _gerbilList[index] = gerbil;
+        }
+
+        public void DeleteGerbil(Gerbil gerbil)
+        {
+            var index = this._gerbilList.FindIndex(existingGerbil => existingGerbil.Id == gerbil.Id);
+            _gerbilList.RemoveAt(index);
+        }
+    }
+
+}