feat(users): check and report the status of a user creation

src/Armory.Api/Controllers/ArmoryUsers/ArmoryUsersController.cs

@@ -1,6 +1,8 @@
+using System;
 using System.Threading.Tasks;
 using Armory.Shared.Domain.Bus.Command;
 using Armory.Users.Application.Create;
+using Armory.Users.Domain;
 using Microsoft.AspNetCore.Mvc;
 
 namespace Armory.Api.Controllers.ArmoryUsers
@@ -19,8 +21,21 @@ public ArmoryUsersController(ICommandBus bus)
         [HttpPost]
         public async Task<IActionResult> RegisterUser([FromBody] CreateArmoryUserRequest request)
         {
-            await _bus.Dispatch(new CreateArmoryUserCommand(request.UserName, request.Email, request.Phone,
-                request.Password));
+            try
+            {
+                await _bus.Dispatch(new CreateArmoryUserCommand(request.UserName, request.Email, request.Phone,
+                    request.Password));
+            }
+            catch (ArmoryUserNotCreate e)
+            {
+                foreach (var error in e.Result.Errors)
+                {
+                    ModelState.AddModelError(error.Code, error.Description);
+                }
+
+                return BadRequest(new ValidationProblemDetails(ModelState));
+            }
+
             return Ok();
         }
     }

src/Users/Application/Create/ArmoryUserCreator.cs

@@ -19,7 +19,11 @@ public async Task Create(string username, string email, string phone, string pas
         {
             var user = ArmoryUser.Create(username, email, phone);
 
-            await _repository.Save(user, password);
+            var result = await _repository.Save(user, password);
+            if (!result.Succeeded)
+            {
+                throw new ArmoryUserNotCreate(result);
+            }
         }
     }
 }

src/Users/Domain/ArmoryUserNotCreate.cs

@@ -0,0 +1,15 @@
+using System;
+using Microsoft.AspNetCore.Identity;
+
+namespace Armory.Users.Domain
+{
+    public class ArmoryUserNotCreate : Exception
+    {
+        public IdentityResult Result { get; }
+
+        public ArmoryUserNotCreate(IdentityResult result) : base("User does not created.")
+        {
+            Result = result;
+        }
+    }
+}