Checkout v2: Improve expired paid partial state (#4827)

Co-authored-by: Andrew Camilleri <evilkukka@gmail.com>

BTCPayServer.Client/Models/StoreBaseData.cs

@@ -16,6 +16,8 @@ namespace BTCPayServer.Client.Models
 
         public string Website { get; set; }
 
+        public string SupportUrl { get; set; }
+
         [JsonConverter(typeof(TimeSpanJsonConverter.Seconds))]
         [JsonProperty(NullValueHandling = NullValueHandling.Ignore)]
         public TimeSpan InvoiceExpiration { get; set; } = TimeSpan.FromMinutes(15);

BTCPayServer.Tests/Checkoutv2Tests.cs

@@ -1,13 +1,9 @@
 using System;
-using System.Threading;
 using System.Threading.Tasks;
-using BTCPayServer.Client.Models;
 using BTCPayServer.Payments;
-using BTCPayServer.Tests.Logging;
 using BTCPayServer.Views.Stores;
 using NBitcoin;
 using OpenQA.Selenium;
-using OpenQA.Selenium.Support.Extensions;
 using OpenQA.Selenium.Support.UI;
 using Xunit;
 using Xunit.Abstractions;
@@ -40,8 +36,10 @@ namespace BTCPayServer.Tests
 
             // Configure store url
             var storeUrl = "https://satoshisteaks.com/";
+            var supportUrl = "https://support.satoshisteaks.com/{InvoiceId}/";
             s.GoToStore();
             s.Driver.FindElement(By.Id("StoreWebsite")).SendKeys(storeUrl);
+            s.Driver.FindElement(By.Id("StoreSupportUrl")).SendKeys(supportUrl);
             s.Driver.FindElement(By.Id("Save")).Click();
             Assert.Contains("Store successfully updated", s.FindAlertMessage().Text);
 
@@ -140,8 +138,47 @@ namespace BTCPayServer.Tests
                 var expiredSection = s.Driver.FindElement(By.Id("unpaid"));
                 Assert.True(expiredSection.Displayed);
                 Assert.Contains("Invoice Expired", expiredSection.Text);
+                Assert.Contains("resubmit a payment", expiredSection.Text);
+                Assert.DoesNotContain("This invoice expired with partial payment", expiredSection.Text);
+                
             });
-            Assert.True(s.Driver.ElementDoesNotExist(By.Id("receipt-btn")));
+            Assert.True(s.Driver.ElementDoesNotExist(By.Id("ContactLink")));
+            Assert.True(s.Driver.ElementDoesNotExist(By.Id("ReceiptLink")));
+            Assert.Equal(storeUrl, s.Driver.FindElement(By.Id("StoreLink")).GetAttribute("href"));
+
+            // Expire paid partial
+            s.GoToHome();
+            invoiceId = s.CreateInvoice(2100, "EUR");
+            s.GoToInvoiceCheckout(invoiceId);
+            s.Driver.WaitUntilAvailable(By.Id("Checkout-v2"));
+            
+            await Task.Delay(200);
+            address = s.Driver.FindElement(By.CssSelector(".qr-container")).GetAttribute("data-clipboard");
+            var amountFraction = "0.00001";
+            await s.Server.ExplorerNode.SendToAddressAsync(BitcoinAddress.Create(address, Network.RegTest),
+                Money.Parse(amountFraction));
+            await s.Server.ExplorerNode.GenerateAsync(1);
+            
+            expirySeconds = s.Driver.FindElement(By.Id("ExpirySeconds"));
+            expirySeconds.Clear();
+            expirySeconds.SendKeys("3");
+            s.Driver.FindElement(By.Id("Expire")).Click();
+
+            paymentInfo = s.Driver.WaitForElement(By.Id("PaymentInfo"));
+            Assert.Contains("The invoice hasn't been paid in full.", paymentInfo.Text);
+            Assert.Contains("Please send", paymentInfo.Text);
+            TestUtils.Eventually(() =>
+            {
+                var expiredSection = s.Driver.FindElement(By.Id("unpaid"));
+                Assert.True(expiredSection.Displayed);
+                Assert.Contains("Invoice Expired", expiredSection.Text);
+                Assert.Contains("This invoice expired with partial payment", expiredSection.Text);
+                Assert.DoesNotContain("resubmit a payment", expiredSection.Text);
+            });
+            var contactLink = s.Driver.FindElement(By.Id("ContactLink"));
+            Assert.Equal("Contact us", contactLink.Text);
+            Assert.Matches(supportUrl.Replace("{InvoiceId}", invoiceId), contactLink.GetAttribute("href"));
+            Assert.True(s.Driver.ElementDoesNotExist(By.Id("ReceiptLink")));
             Assert.Equal(storeUrl, s.Driver.FindElement(By.Id("StoreLink")).GetAttribute("href"));
 
             // Test payment
@@ -166,7 +203,7 @@ namespace BTCPayServer.Tests
             // Pay partial amount
             await Task.Delay(200);
             address = s.Driver.FindElement(By.CssSelector(".qr-container")).GetAttribute("data-clipboard");
-            var amountFraction = "0.00001";
+            amountFraction = "0.00001";
             await s.Server.ExplorerNode.SendToAddressAsync(BitcoinAddress.Create(address, Network.RegTest),
                 Money.Parse(amountFraction));
             await s.Server.ExplorerNode.GenerateAsync(1);
@@ -210,7 +247,8 @@ namespace BTCPayServer.Tests
                 Assert.Contains("Invoice Paid", settledSection.Text);
             });
             s.Driver.FindElement(By.Id("confetti"));
-            s.Driver.FindElement(By.Id("receipt-btn"));
+            s.Driver.FindElement(By.Id("ReceiptLink"));
+            Assert.True(s.Driver.ElementDoesNotExist(By.Id("ContactLink")));
             Assert.Equal(storeUrl, s.Driver.FindElement(By.Id("StoreLink")).GetAttribute("href"));
 
             // BIP21
@@ -358,6 +396,7 @@ namespace BTCPayServer.Tests
             s.GoToHome();
             s.GoToLightningSettings();
             s.Driver.SetCheckbox(By.Id("LNURLEnabled"), false);
+            s.Driver.ScrollTo(By.Id("save"));
             s.Driver.FindElement(By.Id("save")).Click();
             Assert.Contains("BTC Lightning settings successfully updated", s.FindAlertMessage().Text);
 

BTCPayServer.Tests/SeleniumTests.cs

@@ -600,7 +600,7 @@ namespace BTCPayServer.Tests
             TestUtils.Eventually(() =>
             {
                 s.Driver.Navigate().Refresh();
-                s.Driver.FindElement(By.Id("receipt-btn")).Click();
+                s.Driver.FindElement(By.Id("ReceiptLink")).Click();
             });
             TestUtils.Eventually(() =>
             {
@@ -612,7 +612,7 @@ namespace BTCPayServer.Tests
 
             await s.Server.PayTester.InvoiceRepository.MarkInvoiceStatus(i, InvoiceStatus.Settled);
 
-            TestUtils.Eventually(() => s.Driver.FindElement(By.Id("receipt-btn")).Click());
+            TestUtils.Eventually(() => s.Driver.FindElement(By.Id("ReceiptLink")).Click());
             TestUtils.Eventually(() =>
             {
                 s.Driver.Navigate().Refresh();

BTCPayServer/Controllers/GreenField/GreenfieldStoresController.cs

@@ -115,11 +115,12 @@ namespace BTCPayServer.Controllers.Greenfield
         internal static Client.Models.StoreData FromModel(Data.StoreData data)
         {
             var storeBlob = data.GetStoreBlob();
-            return new Client.Models.StoreData()
+            return new Client.Models.StoreData
             {
                 Id = data.Id,
                 Name = data.StoreName,
                 Website = data.StoreWebsite,
+                SupportUrl = storeBlob.StoreSupportUrl,
                 SpeedPolicy = data.SpeedPolicy,
                 DefaultPaymentMethod = data.GetDefaultPaymentId()?.ToStringNormalized(),
                 //blob
@@ -186,6 +187,7 @@ namespace BTCPayServer.Controllers.Greenfield
             blob.ShowRecommendedFee = restModel.ShowRecommendedFee;
             blob.RecommendedFeeBlockTarget = restModel.RecommendedFeeBlockTarget;
             blob.DefaultLang = restModel.DefaultLang;
+            blob.StoreSupportUrl = restModel.SupportUrl;
             blob.MonitoringExpiration = restModel.MonitoringExpiration;
             blob.InvoiceExpiration = restModel.InvoiceExpiration;
             blob.DisplayExpirationTimer = restModel.DisplayExpirationTimer;

BTCPayServer/Controllers/UIInvoiceController.UI.cs

@@ -857,13 +857,20 @@ namespace BTCPayServer.Controllers
             isAltcoinsBuild = true;
 #endif
 
+            var orderId = invoice.Metadata.OrderId;
+            var supportUrl = !string.IsNullOrEmpty(storeBlob.StoreSupportUrl)
+                ? storeBlob.StoreSupportUrl
+                    .Replace("{OrderId}", string.IsNullOrEmpty(orderId) ? string.Empty : Uri.EscapeDataString(orderId))
+                    .Replace("{InvoiceId}", Uri.EscapeDataString(invoice.Id))
+                : null;
+
             var model = new PaymentModel
             {
                 Activated = paymentMethodDetails.Activated,
                 CryptoCode = network.CryptoCode,
                 RootPath = Request.PathBase.Value.WithTrailingSlash(),
-                OrderId = invoice.Metadata.OrderId,
-                InvoiceId = invoice.Id,
+                OrderId = orderId,
+                InvoiceId = invoiceId,
                 DefaultLang = lang ?? invoice.DefaultLanguage ?? storeBlob.DefaultLang ?? "en",
                 ShowPayInWalletButton = storeBlob.ShowPayInWalletButton,
                 ShowStoreHeader = storeBlob.ShowStoreHeader,
@@ -895,6 +902,7 @@ namespace BTCPayServer.Controllers
                 ReceiptLink = receiptUrl,
                 RedirectAutomatically = invoice.RedirectAutomatically,
                 StoreName = store.StoreName,
+                StoreSupportUrl = supportUrl,
                 TxCount = accounting.TxRequired,
                 TxCountForFee = storeBlob.NetworkFeeMode switch
                 {

BTCPayServer/Controllers/UIInvoiceController.cs

@@ -154,6 +154,7 @@ namespace BTCPayServer.Controllers
                 entity.Type = InvoiceType.TopUp;
             }
 
+            entity.StoreSupportUrl = storeBlob.StoreSupportUrl;
             entity.RedirectURLTemplate = invoice.RedirectURL ?? store.StoreWebsite;
             entity.RedirectAutomatically =
                 invoice.RedirectAutomatically.GetValueOrDefault(storeBlob.RedirectAutomatically);

BTCPayServer/Controllers/UIStoresController.cs

@@ -611,6 +611,7 @@ namespace BTCPayServer.Controllers
                 Id = store.Id,
                 StoreName = store.StoreName,
                 StoreWebsite = store.StoreWebsite,
+                StoreSupportUrl = storeBlob.StoreSupportUrl,
                 LogoFileId = storeBlob.LogoFileId,
                 CssFileId = storeBlob.CssFileId,
                 BrandColor = storeBlob.BrandColor,
@@ -646,6 +647,7 @@ namespace BTCPayServer.Controllers
             }
 
             var blob = CurrentStore.GetStoreBlob();
+            blob.StoreSupportUrl = model.StoreSupportUrl;
             blob.AnyoneCanInvoice = model.AnyoneCanCreateInvoice;
             blob.NetworkFeeMode = model.NetworkFeeMode;
             blob.PaymentTolerance = model.PaymentTolerance;

BTCPayServer/Data/StoreBlob.cs

@@ -66,6 +66,8 @@ namespace BTCPayServer.Data
             }
         }
         
+        public string StoreSupportUrl { get; set; }
+
         CurrencyPair[] _DefaultCurrencyPairs;
         [JsonProperty("defaultCurrencyPairs", ItemConverterType = typeof(CurrencyPairJsonConverter))]
         public CurrencyPair[] DefaultCurrencyPairs

BTCPayServer/Models/InvoicingModels/PaymentModel.cs

@@ -61,7 +61,7 @@ namespace BTCPayServer.Models.InvoicingModels
         public int TxCount { get; set; }
         public int TxCountForFee { get; set; }
         public string BtcPaid { get; set; }
-        public string StoreEmail { get; set; }
+        public string StoreSupportUrl { get; set; }
 
         public string OrderId { get; set; }
         public decimal NetworkFee { get; set; }

BTCPayServer/Models/StoreViewModels/GeneralSettingsViewModel.cs

@@ -22,6 +22,10 @@ namespace BTCPayServer.Models.StoreViewModels
         [MaxLength(500)]
         public string StoreWebsite { get; set; }
 
+        [Display(Name = "Support URL")]
+        [MaxLength(500)]
+        public string StoreSupportUrl { get; set; }
+
         [Display(Name = "Brand Color")]
         public string BrandColor { get; set; }
 

BTCPayServer/Services/Invoices/InvoiceEntity.cs

@@ -408,6 +408,8 @@ namespace BTCPayServer.Services.Invoices
         // public bool Refundable { get; set; }
         public bool? RequiresRefundEmail { get; set; } = null;
         public string RefundMail { get; set; }
+
+        public string StoreSupportUrl { get; set; }
         [JsonProperty("redirectURL")]
         public string RedirectURLTemplate { get; set; }
 

BTCPayServer/Views/UIInvoice/CheckoutV2.cshtml

@@ -163,7 +163,7 @@
                         </div>
                     </div>
                     <div class="buttons">
-                        <a v-if="srvModel.receiptLink" class="btn btn-primary rounded-pill w-100" :href="srvModel.receiptLink" :target="isModal ? '_top' : null" v-t="'view_receipt'" id="receipt-btn"></a>
+                        <a v-if="srvModel.receiptLink" class="btn btn-primary rounded-pill w-100" :href="srvModel.receiptLink" :target="isModal ? '_top' : null" v-t="'view_receipt'" id="ReceiptLink"></a>
                         <a v-if="storeLink" class="btn btn-secondary rounded-pill w-100" :href="storeLink" :target="isModal ? '_top' : null" v-html="$t('return_to_store', { storeName: srvModel.storeName })" id="StoreLink"></a>
                         <button v-else-if="isModal" class="btn btn-secondary rounded-pill w-100" v-on:click="close" v-t="'Close'"></button>
                     </div>
@@ -198,9 +198,10 @@
                             <span class="fw-semibold" v-t="'view_details'"></span>
                             <vc:icon symbol="caret-down" />
                         </button>
-                        <p class="text-center mt-3" v-html="replaceNewlines($t('invoice_expired_body', { storeName: srvModel.storeName, minutes: @Model.MaxTimeMinutes }))"></p>
+                        <p class="text-center mt-3" v-html="replaceNewlines($t(isPaidPartial ? 'invoice_paidpartial_body' : 'invoice_expired_body', { storeName: srvModel.storeName, minutes: srvModel.maxTimeMinutes }))"></p>
                     </div>
                     <div class="buttons">
+                        <a v-if="isPaidPartial && srvModel.storeSupportUrl" class="btn btn-primary rounded-pill w-100" :href="srvModel.storeSupportUrl" v-t="'contact_us'" id="ContactLink"></a>
                         <a v-if="storeLink" class="btn btn-primary rounded-pill w-100" :href="storeLink" :target="isModal ? '_top' : null" v-html="$t('return_to_store', { storeName: srvModel.storeName })" id="StoreLink"></a>
                         <button v-else-if="isModal" class="btn btn-primary rounded-pill w-100" v-on:click="close" v-t="'Close'"></button>
                     </div>

BTCPayServer/Views/UIStores/GeneralSettings.cshtml

@@ -32,6 +32,14 @@
                 <input asp-for="StoreWebsite" class="form-control" />
                 <span asp-validation-for="StoreWebsite" class="text-danger"></span>
             </div>
+            <div class="form-group">
+                <label asp-for="StoreSupportUrl" class="form-label"></label>
+                <input asp-for="StoreSupportUrl" class="form-control" />
+                <span asp-validation-for="StoreSupportUrl" class="text-danger"></span>
+                <div class="form-text">
+                    For support requests, can contain the placeholders <code>{OrderId}</code> and <code>{InvoiceId}</code>. Can be any valid URI, such as a website, email, and nostr.",
+                </div>
+            </div>
             
             <h3 class="mt-5 mb-3">Branding</h3>
             <div class="form-group">

BTCPayServer/wwwroot/checkout-v2/checkout.js

@@ -132,6 +132,9 @@ function initApp() {
             isActive () {
                 return STATUS_PAYABLE.includes(this.srvModel.status);
             },
+            isPaidPartial () {
+                return this.btcPaid > 0 && this.btcDue > 0;
+            },
             showInfo () {
                 return this.showTimer || this.showPaymentDueInfo;
             },
@@ -139,7 +142,7 @@ function initApp() {
                 return this.isActive && this.remainingSeconds < this.srvModel.displayExpirationTimer;
             },
             showPaymentDueInfo () {
-                return this.btcPaid > 0 && this.btcDue > 0;
+                return this.isPaidPartial;
             },
             showRecommendedFee () {
                 return this.isActive && this.srvModel.showRecommendedFee && this.srvModel.feeRate;
@@ -320,7 +323,6 @@ function initApp() {
                     const { status } = data;
                     window.parent.postMessage({ invoiceId, status }, '*');
                 }
-                
                 const newEnd = new Date();
                 newEnd.setSeconds(newEnd.getSeconds() + data.expirationSeconds);
                 this.endDate = newEnd;

BTCPayServer/wwwroot/locales/checkout/en.json

@@ -34,8 +34,10 @@
   "invoice_paid": "Invoice Paid",
   "invoice_expired": "Invoice Expired",
   "invoice_expired_body": "An invoice is only valid for {{minutes}} minutes.\n\nReturn to {{storeName}} if you would like to resubmit a payment.",
+  "invoice_paidpartial_body": "An invoice is only valid for {{minutes}} minutes.\n\nThis invoice expired with partial payment. Please contact us, so that we can fulfill your order.",
   "view_receipt": "View receipt",
   "return_to_store": "Return to {{storeName}}",
+  "contact_us": "Contact us",
   "copy": "Copy",
   "copy_confirm": "Copied",
   "powered_by": "Powered by",

BTCPayServer/wwwroot/swagger/v1/swagger.template.stores.json

@@ -323,6 +323,12 @@
                         "description": "The absolute url of the store",
                         "format": "url"
                     },
+                    "supportUrl": {
+                        "type": "string",
+                        "nullable": true,
+                        "description": "The support URI of the store, can contain the placeholders `{OrderId}` and `{InvoiceId}`. Can be any valid URI, such as a website, email, and nostr.",
+                        "format": "uri"
+                    },
                     "defaultCurrency": {
                         "type": "string",
                         "description": "The default currency of the store",