Implemented future DELETE method interface

Author: GlebTheProgrammer

Commander/domain/CommanderRepository.cs

@@ -14,6 +14,11 @@ public void CreateCommand(Command cmd)
             throw new NotImplementedException();
         }
 
+        public void DeleteCommand(Command cmd)
+        {
+            throw new NotImplementedException();
+        }
+
         public IEnumerable<Command> GetAllCommands()
         {
             var commands = new List<Command>

Commander/domain/SqlCommanderRepository.cs

@@ -25,6 +25,16 @@ public void CreateCommand(Command cmd)
             context.Commands.Add(cmd);
         }
 
+        public void DeleteCommand(Command cmd)
+        {
+            if (cmd == null)
+            {
+                throw new ArgumentNullException(nameof(cmd));
+            }
+
+            context.Commands.Remove(cmd);
+        }
+
         public IEnumerable<Command> GetAllCommands()
         {
             return context.Commands.ToList();