Added RoundState handling

ScrumPoker.Business.Interfaces/Interfaces/IRoundStateService.cs

@@ -0,0 +1,6 @@
+namespace ScrumPoker.Business.Interfaces.Interfaces;
+
+public class IRoundStateService
+{
+
+}

ScrumPoker.Business/RoundService.cs

@@ -13,6 +13,38 @@ public class RoundService : IRoundService
     private readonly IGameRoomService _gameRoomService;
     private readonly IRoundRepository _roundRepository;
     private readonly IUserManager _userManager;
+
+    private static readonly IReadOnlyList<RoundState> Grooming = new List<RoundState>
+    {
+        RoundState.VoteRegistration
+    };
+
+    private static readonly IReadOnlyList<RoundState> VoteRegistration = new List<RoundState>
+    {
+        RoundState.VoteReview
+    };
+
+    private static readonly IReadOnlyList<RoundState> VoteReview = new List<RoundState>
+    {
+        RoundState.VoteRegistration,
+        RoundState.Finished
+    };
+
+    private static readonly IReadOnlyList<RoundState> Finished = new List<RoundState>();
+
+    private static IEnumerable<RoundState> CheckRoundStates(Round roundRequest)
+    {
+        var result = roundRequest.RoundState switch
+        {
+            RoundState.Grooming => Grooming,
+            RoundState.VoteRegistration => VoteRegistration,
+            RoundState.VoteReview => VoteReview,
+            RoundState.Finished => Finished,
+            _ => throw new ArgumentOutOfRangeException()
+        };
+
+        return result;
+    }
 
     public RoundService(IRoundRepository roundRepository, IGameRoomService gameRoomService, IUserManager userManager)
     {
@@ -53,6 +85,9 @@ public async Task SetState(Round roundRequest)
         if (gameRoomDto.MasterId != currentUserId)
             throw new ActionNotAllowedException($"User has not rights to Update game room (ID {gameRoomDto.Id})");
 
+        if (!CheckRoundStates(roundDto).Contains(roundRequest.RoundState))
+            throw new InvalidRoundStateException($"Round state {roundRequest.RoundState.ToString()} is not allowed after {roundDto.RoundState.ToString()}");
+
         await _roundRepository.SetState(roundRequest);
     }
 

ScrumPoker.Business/RoundStateService.cs

@@ -0,0 +1,25 @@
+using ScrumPoker.Business.Interfaces.Interfaces;
+using ScrumPoker.Common.Models;
+
+namespace ScrumPoker.Business;
+
+public class RoundStateService : IRoundStateService
+{
+    private static readonly IReadOnlyList<RoundState> Grooming = new List<RoundState>
+    {
+        RoundState.VoteRegistration
+    };
+
+    private static readonly IReadOnlyList<RoundState> VoteRegistration = new List<RoundState>
+    {
+        RoundState.VoteReview
+    };
+
+    private static readonly IReadOnlyList<RoundState> VoteReview = new List<RoundState>
+    {
+        RoundState.VoteRegistration,
+        RoundState.Finished
+    };
+
+    private static readonly IReadOnlyList<RoundState> Finished = new List<RoundState>();
+}

ScrumPoker.Business/VoteService.cs

@@ -5,7 +5,6 @@
 using ScrumPoker.Common.Models;
 using ScrumPoker.Common.NotFoundExceptions;
 using ScrumPoker.DataAccess.Interfaces;
-using ScrumPoker.DataAccess.Models.Models;
 
 namespace ScrumPoker.Business;
 

ScrumPoker.Infrastructure/DependencyInjection.cs

@@ -22,5 +22,6 @@ public static void Register(this IServiceCollection services)
         services.AddTransient<IVoteService, VoteService>();
         services.AddHttpContextAccessor();
         services.AddTransient<IUserManager, UserManager>();
+        services.AddTransient<IRoundStateService, RoundStateService>();
     }
 }