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using Application.DTOs.PaymentDTOs;
using Application.DTOs.OrderDTOs;
using Entities.Interfaces;
using Entities.Models;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using System.Security.Claims;
namespace RobDeliveryAPI.Controllers;
[Route("api/[controller]")]
[ApiController]
[Authorize]
public class PaymentsController : ControllerBase
{
private readonly IPaymentProcessorService _paymentProcessorService;
private readonly IOrderRepository _orderRepository;
private readonly IUserRepository _userRepository;
public PaymentsController(
IPaymentProcessorService paymentProcessorService,
IOrderRepository orderRepository,
IUserRepository userRepository)
{
_paymentProcessorService = paymentProcessorService;
_orderRepository = orderRepository;
_userRepository = userRepository;
}
/// <summary>
/// Get authenticated user ID from JWT token
/// </summary>
private int GetAuthenticatedUserId()
{
var userIdClaim = User.FindFirst("Id") ?? User.FindFirst(ClaimTypes.NameIdentifier);
if (userIdClaim == null || !int.TryParse(userIdClaim.Value, out int userId))
{
throw new UnauthorizedAccessException("User ID not found in token");
}
return userId;
}
/// <summary>
/// Process a payment using the specified payment method (PayPal, GooglePay, or Stripe)
/// </summary>
[HttpPost("process")]
public async Task<ActionResult<PaymentResultDTO>> ProcessPayment([FromBody] PaymentRequestDTO request)
{
try
{
if (request.Amount <= 0)
{
return BadRequest(new PaymentResultDTO
{
Success = false,
TransactionId = string.Empty,
PaymentMethod = request.PaymentMethod,
Amount = request.Amount,
Currency = request.Currency,
ProcessedAt = DateTime.UtcNow,
ErrorMessage = "Payment amount must be greater than zero"
});
}
var result = await _paymentProcessorService.ProcessPaymentAsync(request);
if (result.Success)
{
return Ok(result);
}
else
{
return BadRequest(result);
}
}
catch (ArgumentException ex)
{
return BadRequest(new PaymentResultDTO
{
Success = false,
TransactionId = string.Empty,
PaymentMethod = request.PaymentMethod,
Amount = request.Amount,
Currency = request.Currency,
ProcessedAt = DateTime.UtcNow,
ErrorMessage = ex.Message
});
}
catch (Exception ex)
{
return StatusCode(500, new PaymentResultDTO
{
Success = false,
TransactionId = string.Empty,
PaymentMethod = request.PaymentMethod,
Amount = request.Amount,
Currency = request.Currency,
ProcessedAt = DateTime.UtcNow,
ErrorMessage = $"Internal server error: {ex.Message}"
});
}
}
/// <summary>
/// Pay for order product and/or delivery
/// </summary>
[HttpPost("pay-order")]
public async Task<ActionResult<PaymentResultDTO>> PayOrder([FromBody] PayOrderDTO paymentDto)
{
try
{
int userId = GetAuthenticatedUserId();
// Validate that at least one payment option is selected
if (!paymentDto.PayProduct && !paymentDto.PayDelivery)
{
return BadRequest(new PaymentResultDTO
{
Success = false,
ErrorMessage = "At least one payment option (PayProduct or PayDelivery) must be selected",
ProcessedAt = DateTime.UtcNow
});
}
// Get order
var order = await _orderRepository.GetByIdAsync(paymentDto.OrderId);
if (order == null)
{
return NotFound(new PaymentResultDTO
{
Success = false,
ErrorMessage = $"Order with ID {paymentDto.OrderId} not found",
ProcessedAt = DateTime.UtcNow
});
}
// Validate user authorization
bool isAuthorized = false;
if (paymentDto.PayProduct && order.RecipientId == userId)
{
isAuthorized = true; // Recipient pays for product
}
if (paymentDto.PayDelivery)
{
// Check who should pay for delivery
if ((order.DeliveryPayer == DeliveryPayer.Sender && order.SenderId == userId) ||
(order.DeliveryPayer == DeliveryPayer.Recipient && order.RecipientId == userId))
{
isAuthorized = true;
}
}
if (!isAuthorized)
{
return StatusCode(403, new PaymentResultDTO
{
Success = false,
ErrorMessage = "You are not authorized to make this payment",
ProcessedAt = DateTime.UtcNow
});
}
// Calculate total amount to pay
decimal totalAmount = 0;
bool willPayProduct = false;
bool willPayDelivery = false;
if (paymentDto.PayProduct && !order.IsProductPaid)
{
totalAmount += order.ProductPrice;
willPayProduct = true;
}
if (paymentDto.PayDelivery && !order.IsDeliveryPaid)
{
totalAmount += order.DeliveryPrice;
willPayDelivery = true;
}
// Check if there's anything to pay
if (totalAmount == 0)
{
if (order.Status == OrderStatus.AwaitingConfirmation && order.IsProductPaid && order.IsDeliveryPaid)
{
// Allow simple confirmation if everything is already paid
order.Status = OrderStatus.Pending;
await _orderRepository.UpdateAsync(order);
return Ok(new PaymentResultDTO
{
Success = true,
TransactionId = "CONFIRM_ONLY",
PaymentMethod = paymentDto.PaymentMethod,
Amount = 0,
Currency = "USD",
OrderId = order.Id,
ProductPaid = true,
DeliveryPaid = true,
ProcessedAt = DateTime.UtcNow
});
}
return BadRequest(new PaymentResultDTO
{
Success = false,
ErrorMessage = "The selected items are already paid",
OrderId = order.Id,
ProductPaid = order.IsProductPaid,
DeliveryPaid = order.IsDeliveryPaid,
ProcessedAt = DateTime.UtcNow
});
}
var paymentRequest = new PaymentRequestDTO
{
Amount = totalAmount,
Currency = "USD",
OrderId = order.Id,
PaymentMethod = paymentDto.PaymentMethod,
StripeCardToken = paymentDto.StripeCardToken
};
var paymentResult = await _paymentProcessorService.ProcessPaymentAsync(paymentRequest);
if (!paymentResult.Success)
{
return BadRequest(new PaymentResultDTO
{
Success = false,
ErrorMessage = $"Payment failed: {paymentResult.ErrorMessage}",
OrderId = order.Id,
ProcessedAt = DateTime.UtcNow
});
}
// Update order payment status
if (willPayProduct)
{
order.IsProductPaid = true;
// Add ProductPrice to Sender's balance
var sender = await _userRepository.GetByIdAsync(order.SenderId);
if (sender != null)
{
sender.Balance += order.ProductPrice;
await _userRepository.UpdateAsync(sender);
}
}
if (willPayDelivery)
{
order.IsDeliveryPaid = true;
}
// Update order status
if (order.Status == OrderStatus.AwaitingPayment && order.IsDeliveryPaid)
{
order.Status = OrderStatus.AwaitingConfirmation;
}
if (order.Status == OrderStatus.AwaitingConfirmation && order.IsProductPaid && order.IsDeliveryPaid)
{
order.Status = OrderStatus.Pending;
}
await _orderRepository.UpdateAsync(order);
// Return success result
return Ok(new PaymentResultDTO
{
Success = true,
TransactionId = paymentResult.TransactionId,
PaymentMethod = paymentResult.PaymentMethod,
Amount = totalAmount,
Currency = "UAH",
ProcessedAt = paymentResult.ProcessedAt,
OrderId = order.Id,
ProductPaid = order.IsProductPaid,
DeliveryPaid = order.IsDeliveryPaid
});
}
catch (UnauthorizedAccessException ex)
{
return StatusCode(403, new PaymentResultDTO
{
Success = false,
ErrorMessage = ex.Message,
ProcessedAt = DateTime.UtcNow
});
}
catch (Exception ex)
{
return StatusCode(500, new PaymentResultDTO
{
Success = false,
ErrorMessage = $"An error occurred while processing payment: {ex.Message}",
ProcessedAt = DateTime.UtcNow
});
}
}
/// <summary>
/// Refund a previously processed payment
/// </summary>
[HttpPost("refund")]
public async Task<ActionResult<object>> RefundPayment([FromBody] RefundRequestDTO request)
{
try
{
if (request.Amount <= 0)
{
return BadRequest(new { success = false, message = "Refund amount must be greater than zero" });
}
var result = await _paymentProcessorService.RefundPaymentAsync(
request.PaymentMethod,
request.TransactionId,
request.Amount
);
if (result)
{
return Ok(new
{
success = true,
message = "Refund processed successfully",
transactionId = request.TransactionId,
amount = request.Amount,
processedAt = DateTime.UtcNow
});
}
else
{
return BadRequest(new
{
success = false,
message = "Refund processing failed"
});
}
}
catch (ArgumentException ex)
{
return BadRequest(new { success = false, message = ex.Message });
}
catch (Exception ex)
{
return StatusCode(500, new { success = false, message = $"Internal server error: {ex.Message}" });
}
}
}
public class RefundRequestDTO
{
public string TransactionId { get; set; } = string.Empty;
public string PaymentMethod { get; set; } = string.Empty;
public decimal Amount { get; set; }
}
|