Backend login and register

src/Application/Errors/UserError.cs

@@ -0,0 +1,54 @@
+using Application.Common.Results;
+
+namespace Application.Errors;
+
+public static class UserError
+{
+    public static Error InternalServerError =>
+        new(ErrorTypeConstant.InternalServerError, "something went wrong");
+
+    public static Error UserNotFound =>
+        new(ErrorTypeConstant.NotFound, "User not found");
+
+    public static Error UserCookieConsentNotFound =>
+        new(ErrorTypeConstant.NotFound, "Cookie consent not found for user");
+
+    public static Error FailedToAssignRole =>
+        new(ErrorTypeConstant.InternalServerError, "failed to assign role");
+
+    public static Error FailedToRevokeRole =>
+        new(ErrorTypeConstant.InternalServerError, "failed to revoke role");
+
+    public static Error UserAlreadyHasRole =>
+        new(ErrorTypeConstant.ValidationError, "User already has role");
+
+    public static Error UserHasNoRole =>
+        new(ErrorTypeConstant.ValidationError, "User already has no role");
+
+    public static Error FailedToRevokeCookieConsent =>
+        new(ErrorTypeConstant.InternalServerError, "failed to revoke cookie consent");
+
+    public static Error UserAlreadyHasCookieConsent =>
+        new(ErrorTypeConstant.ValidationError, "User already has cookie consent");
+
+    public static Error UserHasNoCookieConsent =>
+        new(ErrorTypeConstant.ValidationError, "User already has no cookie consent");
+
+    public static Error CannotDeleteYourself =>
+        new(ErrorTypeConstant.ValidationError, "You cannot delete your own account");
+
+    public static Error CreateInvalidUserUpdateRequestError(IEnumerable<string> errors)
+    {
+        return new Error(ErrorTypeConstant.ValidationError, string.Join(", ", errors));
+    }
+
+    public static Error CreateInvalidCookieConsentError(IEnumerable<string> errors)
+    {
+        return new Error(ErrorTypeConstant.ValidationError, string.Join(", ", errors));
+    }
+
+    public static Error CreateInvalidLoginRequestError(IEnumerable<string> errors)
+    {
+        return new Error(ErrorTypeConstant.ValidationError, string.Join(", ", errors));
+    }
+}