Add Events, Registrations, and Payments controllers with DTOs

backend/DTOs/PaymentDtos.cs

@@ -0,0 +1,62 @@
+using System.ComponentModel.DataAnnotations;
+using RacePlannerApi.Models;
+
+namespace RacePlannerApi.DTOs;
+
+public class CreatePaymentRequest
+{
+    [Required]
+    public Guid RegistrationId { get; set; }
+
+    [Required]
+    [Range(0.01, double.MaxValue)]
+    public decimal Amount { get; set; }
+
+    [Required]
+    public PaymentMethod Method { get; set; }
+
+    [MaxLength(100)]
+    public string? TransactionId { get; set; }
+
+    [MaxLength(500)]
+    public string? Notes { get; set; }
+
+    public DateTime? PaymentDate { get; set; }
+}
+
+public class PaymentDto
+{
+    public Guid Id { get; set; }
+    public Guid RegistrationId { get; set; }
+    public decimal Amount { get; set; }
+    public string Method { get; set; } = string.Empty;
+    public string? TransactionId { get; set; }
+    public string? Notes { get; set; }
+    public DateTime PaymentDate { get; set; }
+    public DateTime CreatedAt { get; set; }
+}
+
+public class PaymentReportDto
+{
+    public Guid EventId { get; set; }
+    public string EventName { get; set; } = string.Empty;
+    public decimal TotalCollected { get; set; }
+    public decimal TotalPending { get; set; }
+    public decimal TotalOutstanding { get; set; }
+    public int TotalRegistrations { get; set; }
+    public int PaidRegistrations { get; set; }
+    public int PartialRegistrations { get; set; }
+    public int UnpaidRegistrations { get; set; }
+    public List<RegistrationPaymentDto> Registrations { get; set; } = new();
+}
+
+public class RegistrationPaymentDto
+{
+    public Guid RegistrationId { get; set; }
+    public string ParticipantName { get; set; } = string.Empty;
+    public string Status { get; set; } = string.Empty;
+    public decimal TotalPaid { get; set; }
+    public decimal AmountDue { get; set; }
+    public string PaymentStatus { get; set; } = string.Empty;
+    public List<PaymentDto> Payments { get; set; } = new();
+}