Add the method "Get*ById" in the stack Business

Back/skydiveLogs-api.Data/Interface/IAircraftRepository.cs

@@ -8,5 +8,6 @@ namespace skydiveLogs_api.Data.Interface
     public interface IAircraftRepository
     {
         IEnumerable<Aircraft> GetAllAircrafts();
+        Aircraft GetAircraftById(int id);
     }
 }

Back/skydiveLogs-api.Data/Interface/IDropZoneRepository.cs

@@ -8,5 +8,7 @@ namespace skydiveLogs_api.Data.Interface
     public interface IDropZoneRepository
     {
         IEnumerable<DropZone> GetAllDzs();
+
+        DropZone GetDzById(int id);
     }
 }

Back/skydiveLogs-api.Data/Interface/IJumpRepository.cs

@@ -8,5 +8,6 @@ namespace skydiveLogs_api.Data.Interface
     public interface IJumpRepository
     {
         IEnumerable<Jump> GetAllJumps();
+        Jump GetJumpById(int id);
     }
 }

Back/skydiveLogs-api.Data/Interface/IJumpTypeRepository.cs

@@ -8,5 +8,6 @@ namespace skydiveLogs_api.Data.Interface
     public interface IJumpTypeRepository
     {
         IEnumerable<JumpType> GetAllJumpTypes();
+        JumpType GetJumpTypeById(int id);
     }
 }