Implemented GetUserEndpoint

PostFundManagement.Api/Endpoints/Users/GetUserEndpoint.cs

@@ -0,0 +1,32 @@
+using PostFundManagement.Application.Extensions;
+using PostFundManagement.Application.Services.Users;
+using PostFundManagement.Domain.Abstractions;
+using PostFundManagement.Domain.Extensions;
+using PostFundManagement.Domain.Models;
+using PostFundManagement.Domain.Security;
+
+namespace PostFundManagement.Api.Endpoints.Users;
+
+[ApiVersionTarget(1)]
+public sealed class GetUserEndpoint : IEndpoint
+{
+    public void Map(IEndpointRouteBuilder builder)
+    {
+        builder.MapGet("api/users/{userId:Guid}", async (Guid userId, UserService service,
+            HttpContext context, CancellationToken cancellationToken = default) =>
+        {
+            var result = await service.GetUserAsync(userId, cancellationToken);
+
+            return result.IsSuccess
+                ? Results.Ok(result.Value)
+                : Results.NotFound();
+        })
+        .WithDescription("Gets the metadata of a single user.")
+        .WithName(typeof(GetUserEndpoint).ToEndpointName())
+        .MapToApiVersion(new ApiVersion(1))
+        .Produces<User>(StatusCodes.Status200OK)
+        .Produces(StatusCodes.Status404NotFound)
+        .Produces(StatusCodes.Status401Unauthorized)
+        .WithTags(EndpointTags.Users);
+    }
+}

PostFundManagement.Application/Services/Users/UserService.cs

@@ -99,4 +99,22 @@ public sealed class UserService(IDbContextFactory<ApplicationDbContext> contextF
             return Result.Fail(new Error(ex.Message).CausedBy(ex));
         }
     }
+
+    public async Task<Result<User>> GetUserAsync(Guid userId, CancellationToken cancellationToken)
+    {
+        try
+        {
+            using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+
+            var user = await context.Users.AsNoTracking().FirstOrDefaultAsync(f => f.Id == userId, cancellationToken);
+
+            return user is not null
+                ? Result.Ok(user.Map())
+                : Result.Fail("Failed to find specific user.");
+        }
+        catch (Exception ex)
+        {
+            return Result.Fail(new Error(ex.Message).CausedBy(ex));
+        }
+    }
 }