Export of payments made on invoices

BTCPayServer/Controllers/InvoiceController.UI.cs

@@ -57,7 +57,7 @@ namespace BTCPayServer.Controllers
                 MonitoringDate = invoice.MonitoringExpiration,
                 OrderId = invoice.OrderId,
                 BuyerInformation = invoice.BuyerInformation,
-                Fiat = _CurrencyNameTable.DisplayFormatCurrency((decimal)dto.Price, dto.Currency),
+                Fiat = _CurrencyNameTable.DisplayFormatCurrency(dto.Price, dto.Currency),
                 NotificationEmail = invoice.NotificationEmail,
                 NotificationUrl = invoice.NotificationURL,
                 RedirectUrl = invoice.RedirectURL,
@@ -74,9 +74,9 @@ namespace BTCPayServer.Controllers
                 var paymentMethodId = data.GetId();
                 var cryptoPayment = new InvoiceDetailsModel.CryptoPayment();
                 cryptoPayment.PaymentMethod = ToString(paymentMethodId);
-                cryptoPayment.Due = accounting.Due.ToString() + $" {paymentMethodId.CryptoCode}";
-                cryptoPayment.Paid = accounting.CryptoPaid.ToString() + $" {paymentMethodId.CryptoCode}";
-                cryptoPayment.Overpaid = (accounting.DueUncapped > Money.Zero ? Money.Zero : -accounting.DueUncapped).ToString() + $" {paymentMethodId.CryptoCode}";
+                cryptoPayment.Due = $"{accounting.Due} {paymentMethodId.CryptoCode}";
+                cryptoPayment.Paid = $"{accounting.CryptoPaid} {paymentMethodId.CryptoCode}";
+                cryptoPayment.Overpaid = $"{accounting.OverpaidHelper} {paymentMethodId.CryptoCode}";
 
                 var onchainMethod = data.GetPaymentMethodDetails() as Payments.Bitcoin.BitcoinLikeOnChainPaymentMethod;
                 if (onchainMethod != null)
@@ -469,6 +469,20 @@ namespace BTCPayServer.Controllers
             return list;
         }
 
+        [HttpGet]
+        [Authorize(AuthenticationSchemes = Policies.CookieAuthentication)]
+        [BitpayAPIConstraint(false)]
+        public async Task<IActionResult> Export(string format, string searchTerm = null)
+        {
+            var model = new ExportInvoicesModel();
+
+            var invoices = await ListInvoicesProcess(searchTerm, 0, int.MaxValue);
+            var res = model.Process(invoices, format);
+            return Content(res, "application/" + format);
+        }
+
+
+
         [HttpGet]
         [Route("invoices/create")]
         [Authorize(AuthenticationSchemes = Policies.CookieAuthentication)]

BTCPayServer/Models/InvoicingModels/ExportInvoicesModel.cs

@@ -0,0 +1,96 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using BTCPayServer.Payments.Bitcoin;
+using BTCPayServer.Services.Invoices;
+using Newtonsoft.Json;
+
+namespace BTCPayServer.Models.InvoicingModels
+{
+    public class ExportInvoicesModel
+    {
+        public string Process(InvoiceEntity[] invoices, string fileFormat)
+        {
+            if (String.Equals(fileFormat, "json", StringComparison.OrdinalIgnoreCase))
+                return processJson(invoices);
+            else
+                throw new Exception("Export format not supported");
+        }
+
+        private string processJson(InvoiceEntity[] invoices)
+        {
+            var csvInvoices = new List<ExportInvoiceHolder>();
+            foreach (var i in invoices)
+            {
+                csvInvoices.AddRange(convertFromDb(i));
+            }
+
+            var serializerSett = new JsonSerializerSettings { ReferenceLoopHandling = ReferenceLoopHandling.Ignore };
+            var json = JsonConvert.SerializeObject(csvInvoices, Formatting.Indented, serializerSett);
+
+            return json;
+        }
+
+        private IEnumerable<ExportInvoiceHolder> convertFromDb(InvoiceEntity invoice)
+        {
+            var exportList = new List<ExportInvoiceHolder>();
+            // in this first version we are only exporting invoices that were paid
+            foreach (var payment in invoice.GetPayments())
+            {
+                var cryptoCode = payment.GetPaymentMethodId().CryptoCode;
+                var pdata = payment.GetCryptoPaymentData();
+
+                var pmethod = invoice.GetPaymentMethod(payment.GetPaymentMethodId(), null);
+                var accounting = pmethod.Calculate();
+                var onchainDetails = pmethod.GetPaymentMethodDetails() as BitcoinLikeOnChainPaymentMethod;
+
+                var target = new ExportInvoiceHolder
+                {
+                    PaymentId = pdata.GetPaymentId(),
+                    CryptoCode = cryptoCode,
+                    ConversionRate = pmethod.Rate,
+                    Address = onchainDetails?.DepositAddress,
+                    PaymentDue = $"{accounting.MinimumTotalDue} {cryptoCode}",
+                    PaymentPaid = $"{accounting.CryptoPaid} {cryptoCode}",
+                    PaymentOverpaid = $"{accounting.OverpaidHelper} {cryptoCode}",
+
+                    InvoiceId = invoice.Id,
+                    CreatedDate = invoice.InvoiceTime.UtcDateTime,
+                    ExpirationDate = invoice.ExpirationTime.UtcDateTime,
+                    MonitoringDate = invoice.MonitoringExpiration.UtcDateTime,
+                    Status = invoice.Status,
+                    ItemCode = invoice.ProductInformation?.ItemCode,
+                    ItemDesc = invoice.ProductInformation?.ItemDesc,
+                    FiatPrice = invoice.ProductInformation?.Price ?? 0,
+                    FiatCurrency = invoice.ProductInformation?.Currency,
+                };
+
+                exportList.Add(target);
+            }
+
+            return exportList;
+        }
+    }
+
+    public class ExportInvoiceHolder
+    {
+        public string PaymentId { get; set; }
+        public string CryptoCode { get; set; }
+        public decimal ConversionRate { get; set; }
+        public string Address { get; set; }
+        public string PaymentDue { get; set; }
+        public string PaymentPaid { get; set; }
+        public string PaymentOverpaid { get; set; }
+
+        public string InvoiceId { get; set; }
+        public DateTime CreatedDate { get; set; }
+        public DateTime ExpirationDate { get; set; }
+        public DateTime MonitoringDate { get; set; }
+        public string Status { get; set; }
+        public string ItemCode { get; set; }
+        public string ItemDesc { get; set; }
+        public decimal FiatPrice { get; set; }
+        public string FiatCurrency { get; set; }
+    }
+}

BTCPayServer/Services/Invoices/InvoiceEntity.cs

@@ -533,20 +533,21 @@ namespace BTCPayServer.Services.Invoices
 
     public class PaymentMethodAccounting
     {
-        /// <summary>
-        /// Total amount of this invoice
-        /// </summary>
+        /// <summary>Total amount of this invoice</summary>
         public Money TotalDue { get; set; }
 
-        /// <summary>
-        /// Amount of crypto remaining to pay this invoice
-        /// </summary>
+        /// <summary>Amount of crypto remaining to pay this invoice</summary>
         public Money Due { get; set; }
 
-        /// <summary>
-        /// Same as Due, can be negative
-        /// </summary>
+        /// <summary>Same as Due, can be negative</summary>
         public Money DueUncapped { get; set; }
+
+        /// <summary>If DueUncapped is negative, that means user overpaid invoice</summary>
+        public Money OverpaidHelper
+        {
+            get { return DueUncapped > Money.Zero ? Money.Zero : -DueUncapped; }
+        }
+
         /// <summary>
         /// Total amount of the invoice paid after conversion to this crypto currency
         /// </summary>

BTCPayServer/Views/Invoice/ListInvoices.cshtml

@@ -41,11 +41,18 @@
         </div>
 
         <div class="row no-gutter" style="margin-bottom: 5px;">
-            <div class="col-lg-4">
+            <div class="col-lg-6">
                 <a asp-action="CreateInvoice" class="btn btn-primary" role="button"><span class="fa fa-plus"></span> Create a new invoice</a>
+
+                <a class="btn btn-primary dropdown-toggle" href="#" role="button" id="dropdownMenuLink" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
+                    Export
+                </a>
+                <div class="dropdown-menu" aria-labelledby="dropdownMenuLink">
+                    <a asp-action="Export" asp-route-format="json" asp-route-searchTerm="@Model.SearchTerm" class="dropdown-item" target="_blank">CSV</a>
+                </div>
             </div>
 
-            <div class="col-lg-8">
+            <div class="col-lg-6">
                 <div class="form-group">
                     <form asp-action="SearchInvoice" method="post" style="float:right;">
                         <div class="input-group">