finalizare 1.0

backend/Application/Endpoints/Authorization/UserRegister/UserRegisterValidator.cs

@@ -0,0 +1,57 @@
+using Application.Services.Database.PostgreSQL;
+using Application.Services.HashingAlgorithms;
+using Domain;
+using FluentValidation;
+
+namespace Application.Endpoints.Authorization.UserRegister;
+
+public class UserRegisterValidator : AbstractValidator<UserRegisterCommand>
+{
+    private readonly IAdminRepository _adminRepository;
+    private readonly IDoctorRepository _doctorRepository;
+    private readonly IPatientRepository _patientRepository;
+
+    public UserRegisterValidator(IPatientRepository patientRepository,
+        IDoctorRepository doctorRepository, IAdminRepository adminRepository)
+    {
+        _patientRepository = patientRepository;
+        _doctorRepository = doctorRepository;
+        _adminRepository = adminRepository;
+
+        RuleFor(x => x.Name)
+            .NotEmpty().WithMessage("Name is required.").WithErrorCode(HttpStatusCodes.BadRequest.ToString())
+            .MaximumLength(30).WithMessage("Maximum name length of 30 characters")
+            .WithErrorCode(HttpStatusCodes.BadRequest.ToString());
+
+        RuleFor(x => x.Email)
+            .NotEmpty().WithMessage("Email is required.").WithErrorCode(HttpStatusCodes.BadRequest.ToString())
+            .EmailAddress().WithMessage("Invalid email format.").WithErrorCode(HttpStatusCodes.BadRequest.ToString())
+            .MustAsync(async (email, token) => await AccountNotRegistered(email, token))
+            .WithMessage("Account already registered in system.").WithErrorCode(HttpStatusCodes.BadRequest.ToString());
+
+        RuleFor(x => x.Password)
+            .NotEmpty().WithMessage("Password is required.").WithErrorCode(HttpStatusCodes.BadRequest.ToString())
+            .MinimumLength(8).WithMessage("Password must be at least 8 characters long.")
+            .WithErrorCode(HttpStatusCodes.BadRequest.ToString());
+
+        RuleFor(x => x.Role)
+            .NotEmpty().WithMessage("Role is required.").WithErrorCode(HttpStatusCodes.BadRequest.ToString())
+            .Must(BeAValidRole).WithMessage("Invalid role specified.")
+            .WithErrorCode(HttpStatusCodes.BadRequest.ToString());
+    }
+
+    private bool BeAValidRole(string role)
+    {
+        var validRoles = new[] { UserRoles.Admin, UserRoles.Doctor, UserRoles.Patient };
+        return validRoles.Contains(role);
+    }
+
+    private async Task<bool> AccountNotRegistered(string email, CancellationToken token)
+    {
+        var patient = await _patientRepository.FindByEmailAsync(email, token);
+        var doctor = await _doctorRepository.FindByEmailAsync(email, token);
+        var admin = await _adminRepository.FindByEmailAsync(email, token);
+
+        return patient == null && doctor == null && admin == null;
+    }
+}