Don't seperately parse status, let the JSON decoder do this for now

src/MissionControl.Server/Endpoints/Missions/MissionLaunches/CreateMissionLaunch.cs

@@ -26,8 +26,7 @@ public class CreateMissionLaunch(MissionControlContext dbContext)
         var missionLaunch = new MissionLaunch
         {
             ScheduledFor = req.ScheduledFor,
-            // Validated in `CreateMissionLaunchRequestValidator`
-            Status = Enum.Parse<MissionLaunchStatus>(req.Status, true),
+            Status = req.Status,
             MissionId = req.MissionId,
         };
 
@@ -43,9 +42,7 @@ public record CreateMissionLaunchRequest
     public Guid MissionId { get; init; }
     public required DateTimeOffset ScheduledFor { get; init; }
 
-    // Define as a string here so it can be safely deserialized into its enum type, with a validation message when unable to do so
-    // Otherwise, we return a serialization error that is not assigned to a specific field
-    public required string Status { get; init; }
+    public required MissionLaunchStatus Status { get; init; }
 }
 
 public class CreateMissionLaunchRequestValidator : Validator<CreateMissionLaunchRequest>
@@ -55,6 +52,5 @@ public class CreateMissionLaunchRequestValidator : Validator<CreateMissionLaunch
         RuleFor(req => req.MissionId)
             .NotEqual(Guid.Empty)
             .WithMessage("Please provide a non-zero GUID.");
-        RuleFor(req => req.Status).IsEnumName(typeof(MissionLaunchStatus), false);
     }
 }

test/MissionControl.Server.Tests/Endpoints/Missions/MissionLaunches/CreateMissionLaunchTests.cs

@@ -18,7 +18,7 @@ public class CreateMissionLaunchTests
         {
             MissionId = Guid.NewGuid(),
             ScheduledFor = DateTimeOffset.UtcNow,
-            Status = "Pending",
+            Status = MissionLaunchStatus.Pending,
         };
 
         await endpoint.HandleAsync(request, CancellationToken.None);
@@ -27,4 +27,21 @@ public class CreateMissionLaunchTests
 
         (await database.Context.MissionLaunches.AnyAsync()).ShouldBeFalse();
     }
+
+    [Fact]
+    public void Rejects_empty_mission_id_guid()
+    {
+        var validator = new CreateMissionLaunchRequestValidator();
+
+        var result = validator.Validate(new CreateMissionLaunchRequest
+        {
+            MissionId = Guid.Empty,
+            ScheduledFor = default,
+            Status = MissionLaunchStatus.Pending,
+        });
+
+        result.IsValid.ShouldBeFalse();
+        result.Errors.ShouldContain(e => e.PropertyName == nameof(CreateMissionLaunchRequest.MissionId));
+    }
+
 }