Added roles (may or may not be used)

dotnet/AipsCore/Domain/Models/User/External/UserRole.cs

@@ -0,0 +1,26 @@
+using AipsCore.Domain.Common.Validation;
+using AipsCore.Domain.Models.User.Validation;
+
+namespace AipsCore.Domain.Models.User.External;
+
+public record UserRole
+{
+    public string Name { get; init; }
+
+    private UserRole(string Name)
+    {
+        this.Name = Name;
+    }
+    
+    public static UserRole User => new("User");
+    public static UserRole Admin => new("Admin");
+    
+    public static IEnumerable<UserRole> All() => [User, Admin];
+
+    public static UserRole FromString(string name)
+    {
+        var role = All().FirstOrDefault(r => r.Name.Equals(name, StringComparison.OrdinalIgnoreCase));
+        
+        return role ?? throw new ValidationException(UserErrors.RoleDoesNotExist(name));
+    }
+}

dotnet/AipsCore/Domain/Models/User/Validation/UserErrors.cs

@@ -1,5 +1,6 @@
 using AipsCore.Domain.Abstract.Validation;
 using AipsCore.Domain.Common.Validation;
+using AipsCore.Domain.Models.User.External;
 using AipsCore.Domain.Models.User.ValueObjects;
 
 namespace AipsCore.Domain.Models.User.Validation;
@@ -21,4 +22,12 @@ public class UserErrors : AbstractErrors<User, UserId>
 
         return CreateValidationError(code, message);
     }
+    
+    public static ValidationError RoleDoesNotExist(string name)
+        {
+            string code = "user_role_does_not_exist";
+            string message = $"Role '{name}' does not exist";
+    
+            return CreateValidationError(code, message);
+        }
 }

dotnet/AipsCore/Infrastructure/Persistence/Db/DbInitializer.cs

@@ -0,0 +1,29 @@
+using AipsCore.Domain.Models.User.External;
+using Microsoft.AspNetCore.Identity;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace AipsCore.Infrastructure.Persistence.Db;
+
+public static class DbInitializer
+{
+    public static async Task SeedRolesAsync(IServiceProvider serviceProvider)
+    {
+        using var scope = serviceProvider.CreateScope();
+        var roleManager = scope.ServiceProvider.GetRequiredService<RoleManager<IdentityRole<Guid>>>();
+
+        var roleNames = UserRole.All();
+
+        foreach (var roleName in roleNames)
+        {
+            var roleExist = await roleManager.RoleExistsAsync(roleName.Name);
+            if (!roleExist)
+            {
+                await roleManager.CreateAsync(new IdentityRole<Guid>
+                {
+                    Name = roleName.Name,
+                    NormalizedName = roleName.Name.ToUpperInvariant()
+                });
+            }
+        }
+    }
+}

dotnet/AipsCore/Infrastructure/Persistence/User/UserRepository.cs

@@ -65,8 +65,7 @@ public class UserRepository : AbstractRepository<Domain.Models.User.User, UserId
             throw new Exception($"User registration failed: {errors}");
         }
         
-        //Realno nebitno, ali postoji infrastruktura ako treba da se koristi kasnije
-        //await _userManager.AddToRoleAsync(entity, "User");
+        await _userManager.AddToRoleAsync(entity, UserRole.User.Name);
     }
 
     public async Task<LoginResult> LoginWithEmailAndPasswordAsync(string email, string password, CancellationToken cancellationToken = default)