Backend login and register

src/Application/Errors/AuthError.cs

@@ -0,0 +1,29 @@
+using Application.Common.Results;
+
+namespace Application.Errors;
+
+public static class AuthError
+{
+    public static Error InvalidRegisterRequest => new(ErrorTypeConstant.ValidationError, "Invalid register request");
+
+    public static Error EmailAlreadyExists => new(ErrorTypeConstant.ValidationError, "E-Mail already exists");
+
+    public static Error UsernameAlreadyExists => new(ErrorTypeConstant.ValidationError, "Username already exists");
+    public static Error InvalidLoginRequest => new(ErrorTypeConstant.ValidationError, "Invalid login request");
+
+    public static Error UserNotFound => new(ErrorTypeConstant.NotFound, "User not found");
+
+    public static Error InvalidPassword => new(ErrorTypeConstant.ValidationError, "Invalid Password");
+    public static Error InvalidResetLink => new(ErrorTypeConstant.ValidationError, "Invalid reset link");
+
+
+    public static Error CreateInvalidLoginRequestError(IEnumerable<string> errors)
+    {
+        return new Error(ErrorTypeConstant.ValidationError, string.Join(", ", errors));
+    }
+
+    public static Error CreateInvalidRegisterRequestError(IEnumerable<string> errors)
+    {
+        return new Error(ErrorTypeConstant.ValidationError, string.Join(", ", errors));
+    }
+}