Make payments dependency injected based on the .env settings

src/MistoxWebsite.Server/Controllers/PaymentController.cs

@@ -2,107 +2,59 @@
 using MistoxWebsite.Server.Controllers.Payment;
 using MistoxWebsite.Server.Services.DatabaseService;
 using MistoxWebsite.Server.Entities;
+using Microsoft.Extensions.Primitives;
 
 namespace MistoxWebsite.Server.Controllers {
     [ApiController]
     public class PaymentController : ControllerBase {
 
         DatabaseService _databaseService;
+        IPayment _paymentService;
 
-        public PaymentController( DatabaseService databaseService ) {
+        public PaymentController(DatabaseService databaseService) {
             _databaseService = databaseService;
+
+            if (IPayment._PaymentType == PaymentType.StripeIntent) {
+                _paymentService = new StripeIntent(_databaseService);
+            } else {
+                // Fallback
+                _paymentService = new StripeIntent(_databaseService);
+            }
+            // Add new payment plugins here
+
         }
 
-        // Charges
-        [Route( "api/getCheckoutToken" )]
+        [Route("api/getCheckoutToken")]
         [HttpPost]
         public async Task<string> GetPaymentKey( [FromQuery] string userID ) {
-
             string OrderNumber = Guid.NewGuid().ToString().Substring(0,10);
             Account? acc = await _databaseService.GetAccount(userID);
             if (acc != null) {
                 List<Cart> cart = await _databaseService.GetCart(acc);
-
-                IPayment PaymentPlugin = new StripeIntent(_databaseService);
-
-                (bool, string) PaymentResponse = await PaymentPlugin.Purchase(OrderNumber, acc, cart);
+                (bool, string) PaymentResponse = await _paymentService.TryGetCheckoutToken(OrderNumber, acc, cart);
                 if (PaymentResponse.Item1) {
+                    // Returns client secret
                     return PaymentResponse.Item2;
-                }
-                else {
+                } else {
                     Console.WriteLine("An error has occured in the payment plugin\n\n");
                     Console.WriteLine(PaymentResponse.Item2);
                     Console.WriteLine("\n");
-                    return "0";
+                    return "An error has occured in the payment plugin";
                 }
-
+            } else {
+                return "Unable to find account";
             }
-            return "0";
         }
 
         [Route( "/api/payment/response" )]
         [HttpPost]
         public async Task<IActionResult> paymentWebhook() {
             try {
-                const string endpointSecret = "whsec_HCO7uv2BPIPmUPOiSg9tfwLZul8usCGG";
                 string body = await new StreamReader(Request.Body).ReadToEndAsync();
-                Stripe.Event e = Stripe.EventUtility.ConstructEvent( body, Request.Headers["Stripe-Signature"], endpointSecret );
-                if( e.Type == "payment_intent.succeeded" ) {
-
-                    // Extract Data from payment confirm
-                    Stripe.PaymentIntent intent = (Stripe.PaymentIntent)e.Data.Object;
-                    string orderNumber = "";
-                    int userID = 0;
-                    List<int> productIDs = new List<int>();
-                    int subtotal = 0;
-                    int total = 0;
-
-                    KeyValuePair<string, string>[] y = intent.Metadata.ToArray();
-                    foreach( KeyValuePair<string, string> cur in y ) {
-                        string val = cur.Key;
-                        if( val == "ordernumber" ) {
-                            orderNumber = cur.Value;
-                        } else if( val == "user" ) {
-                            userID = int.Parse( cur.Value );
-                        } else if( val == "products" ) {
-                            string[] products = cur.Value.Split(',');
-                            foreach( string product in products ) {
-                                if ( !string.IsNullOrEmpty(product) ) {
-                                    productIDs.Add( Convert.ToInt32( product ) );
-                                }
-                            }
-                        } else if( val == "subtotal" ) {
-                            subtotal = int.Parse( cur.Value );
-                        } else if( val == "total" ) {
-                            total = int.Parse( cur.Value );
-                        }
-                    }
-
-                    // Clear the cart
-                    Account account = new() {
-                        ID = userID
-                    };
-                    await _databaseService.ClearCart( account );
-
-                    // Add data to misox receipt
-                    for( int i = 0; i < productIDs.Count; i++ ) {
-                        int product = productIDs[i];
-                        await _databaseService.NewReceipt( new Receipt {
-                            AccountID = userID,
-                            ProductID = product,
-                            ReceiptID = orderNumber,
-                            Time = DateTime.Now,
-                            TaxAmount = total - subtotal,
-                            TotalCost = total,
-                            LineItem = i
-                        } );
-                    }
-                } else {
-                    Console.WriteLine( "Unhandled event type: {0}", e.Type );
-                }
+                await _paymentService.ValidatePurchase(body, Request.Headers["Stripe-Signature"].ToString());
                 return Ok();
-            } catch( Exception ex ) {
-                return Content(ex.ToString());
+            } catch (Exception ex) {
+                return NotFound(ex.ToString());
             }
         }