fixed generation of random challenge

BeReadyBackend/Endpoints/RandomChallenges/GenerateRandomChallengeEndpoint.cs

@@ -1,4 +1,5 @@
-using BeReadyBackend.Models;
+using BeReadyBackend.DTO.RandomChallenges;
+using BeReadyBackend.Models;
 using BeReadyBackend.Repositories;
 using BeReadyBackend.Specifications.RandomChallenges;
 using BeReadyBackend.Specifications.Users;
@@ -6,40 +7,50 @@ using FastEndpoints;
 
 namespace BeReadyBackend.Endpoints.RandomChallenges;
 
+public class GenerateRequest
+{
+    public DateOnly Today { get; set; }
+}
+
 public class GenerateRandomChallengeEndpoint(
     RandomChallengesRepository randomChallengesRepository,
     UserRandomChallengesRepository userRandomChallengesRepository,
     UsersRepository usersRepository)
-    : EndpointWithoutRequest
+    : Endpoint<GenerateRequest, GetRandomChallengeDto>
 {
     public override void Configure()
     {
         Post("/RandomChallenges/");
     }
 
-    public override async Task HandleAsync(CancellationToken ct)
+    public override async Task HandleAsync(GenerateRequest req, CancellationToken ct)
     {
-        RandomChallenge? randomChallenge = await randomChallengesRepository.FirstOrDefaultAsync(new GetRandomChallengesNotAlreadyPastSpec(), ct);
+        RandomChallenge? randomChallenge = await randomChallengesRepository.SingleOrDefaultAsync(new GetRandomChallengeByDateSpec(req.Today), ct);
+
         if (randomChallenge is null)
         {
-            await Send.StringAsync("Il n'y a plus de défis en stock", 500, cancellation: ct);
-            return;
+            randomChallenge = await randomChallengesRepository.FirstOrDefaultAsync(new GetRandomChallengesNotAlreadyPastSpec(), ct);
+            if (randomChallenge is null)
+            {
+                await Send.StringAsync("Il n'y a plus de défis en stock", 500, cancellation: ct);
+                return;
+            }
+
+            List<User> userList = await usersRepository.ListAsync(new GetAllUsersSpec(), ct);
+
+            List<UserRandomChallenge> userRandomChallenges = userList.Select(user => new UserRandomChallenge
+            {
+                UserId = user.Id,
+                RandomChallengeId = randomChallenge.Id
+            }).ToList();
+
+            await userRandomChallengesRepository.AddRangeAsync(userRandomChallenges, ct);
+
+            randomChallenge.IsAlreadyPast = true;
+            randomChallenge.GeneratedAt = DateTime.Now;
+            await randomChallengesRepository.SaveChangesAsync(ct);
         }
 
-        List<User> userList = await usersRepository.ListAsync(new GetAllUsersSpec(), ct);
-
-        List<UserRandomChallenge> userRandomChallenges = userList.Select(user => new UserRandomChallenge
-        {
-            UserId = user.Id,
-            RandomChallengeId = randomChallenge.Id
-        }).ToList();
-
-        await userRandomChallengesRepository.AddRangeAsync(userRandomChallenges, ct);
-
-        randomChallenge.IsAlreadyPast = true;
-        randomChallenge.GeneratedAt = DateTime.Now;
-        await randomChallengesRepository.SaveChangesAsync(ct);
-
-        await Send.NoContentAsync(ct);
+        await Send.OkAsync(await randomChallengesRepository.ProjectToSingleAsync<GetRandomChallengeDto>(new GetRandomChallengeByIdSpec(randomChallenge.Id), ct), ct);
     }
 }

BeReadyBackend/Specifications/RandomChallenges/GetRandomChallengeByDateSpec.cs

@@ -0,0 +1,13 @@
+using Ardalis.Specification;
+using BeReadyBackend.Models;
+
+namespace BeReadyBackend.Specifications.RandomChallenges;
+
+public class GetRandomChallengeByDateSpec : SingleResultSpecification<RandomChallenge>
+{
+    public GetRandomChallengeByDateSpec(DateOnly today)
+    {
+        Query
+            .Where(x => x.GeneratedAt != null && DateOnly.FromDateTime(x.GeneratedAt.Value) == today);
+    }
+}