Refactored endpoints to be more functional and more expressive

PostFundManagement.Api/Endpoints/Communications/GetInvitesEndpoint.cs

@@ -6,30 +6,29 @@ using PostFundManagement.Domain.Extensions;
 using PostFundManagement.Domain.Models;
 using PostFundManagement.Domain.Security;
 using static PostFundManagement.Application.Extensions.General;
+using Problems = Microsoft.AspNetCore.Mvc.ProblemDetails;
 
 namespace PostFundManagement.Api.Endpoints.Communications;
 
 [ApiVersionTarget(1)]
-public class GetInvitesEndpoint : IEndpoint
+public sealed class GetInvitesEndpoint : IEndpoint
 {
     public void Map(IEndpointRouteBuilder builder)
     {
         builder.MapGet("api/communications/invites/{page:int}/{pageSize:int}", async (CommunicationsService service,
             int page = 1, int pageSize = 100, CancellationToken cancellationToken = default) =>
-        {
-            var result = await service.GetInvitesAsync(Pagination.Create(page, pageSize), cancellationToken);
-
-            return result.IsSuccess
-                ? Results.Ok(result.Value)
-                : Results.BadRequest(result.Errors.ToProblems());
-        })
-        .WithDescription("Get a list of sent invitations")
-        .WithName(typeof(GetInvitesEndpoint).ToEndpointName())
-        .MapToApiVersion(new ApiVersion(1))
-        .Produces<Invite[]>(StatusCodes.Status200OK)
-        .Produces<Microsoft.AspNetCore.Mvc.ProblemDetails>(StatusCodes.Status400BadRequest)
-        .Produces(StatusCodes.Status401Unauthorized)
-        .WithTags(EndpointTags.Communications)
-        .CacheOutput();
+                await service.GetInvitesAsync(Pagination.Create(page, pageSize), cancellationToken) switch
+                {
+                    { IsSuccess: true, Value: var invites } => Results.Ok(invites),
+                    var r => Results.InternalServerError(r.Errors.ToProblems())
+                })
+            .WithDescription("Get a list of sent invitations")
+            .WithName(typeof(GetInvitesEndpoint).ToEndpointName())
+            .MapToApiVersion(new ApiVersion(1))
+            .Produces<Invite[]>(StatusCodes.Status200OK)
+            .Produces(StatusCodes.Status401Unauthorized)
+            .Produces<Problems>(StatusCodes.Status500InternalServerError)
+            .WithTags(EndpointTags.Communications)
+            .CacheOutput();
     }
 }