mirror of
https://github.com/btcpayserver/btcpayserver.git
synced 2024-11-20 10:40:29 +01:00
283 lines
13 KiB
C#
283 lines
13 KiB
C#
using System;
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using Microsoft.EntityFrameworkCore;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading.Tasks;
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using BTCPayServer.Data;
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using BTCPayServer.Models;
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using BTCPayServer.Models.AppViewModels;
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using Microsoft.AspNetCore.Authorization;
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using Microsoft.AspNetCore.Identity;
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using Microsoft.AspNetCore.Mvc;
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using NBitcoin.DataEncoders;
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using NBitcoin;
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using BTCPayServer.Services.Apps;
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using Newtonsoft.Json;
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using YamlDotNet.RepresentationModel;
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using System.IO;
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using BTCPayServer.Services.Rates;
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using System.Globalization;
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using System.Text;
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using System.Text.Encodings.Web;
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namespace BTCPayServer.Controllers
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{
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public partial class AppsController
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{
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public class PointOfSaleSettings
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{
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public PointOfSaleSettings()
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{
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Title = "My awesome Point of Sale";
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Currency = "USD";
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Template =
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"tea:\n" +
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" price: 0.02\n" +
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" title: Green Tea # title is optional, defaults to the keys\n\n" +
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"coffee:\n" +
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" price: 1\n\n" +
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"bamba:\n" +
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" price: 3\n\n" +
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"beer:\n" +
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" price: 7\n\n" +
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"hat:\n" +
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" price: 15\n\n" +
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"tshirt:\n" +
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" price: 25";
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ShowCustomAmount = true;
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}
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public string Title { get; set; }
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public string Currency { get; set; }
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public string Template { get; set; }
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public bool ShowCustomAmount { get; set; }
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}
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[HttpGet]
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[Route("{appId}/settings/pos")]
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public async Task<IActionResult> UpdatePointOfSale(string appId)
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{
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var app = await GetOwnedApp(appId, AppType.PointOfSale);
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if (app == null)
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return NotFound();
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var settings = app.GetSettings<PointOfSaleSettings>();
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var vm = new UpdatePointOfSaleViewModel()
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{
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Title = settings.Title,
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ShowCustomAmount = settings.ShowCustomAmount,
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Currency = settings.Currency,
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Template = settings.Template
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};
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if (HttpContext?.Request != null)
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{
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var appUrl = HttpContext.Request.GetAbsoluteRoot().WithTrailingSlash() + $"apps/{appId}/pos";
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var encoder = HtmlEncoder.Default;
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if (settings.ShowCustomAmount)
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{
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StringBuilder builder = new StringBuilder();
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builder.AppendLine($"<form method=\"POST\" action=\"{encoder.Encode(appUrl)}\">");
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builder.AppendLine($" <input type=\"hidden\" name=\"amount\" value=\"100\" />");
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builder.AppendLine($" <input type=\"hidden\" name=\"email\" value=\"customer@example.com\" />");
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builder.AppendLine($" <input type=\"hidden\" name=\"orderId\" value=\"CustomOrderId\" />");
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builder.AppendLine($" <input type=\"hidden\" name=\"notificationUrl\" value=\"https://example.com/callbacks\" />");
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builder.AppendLine($" <input type=\"hidden\" name=\"redirectUrl\" value=\"https://example.com/thanksyou\" />");
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builder.AppendLine($" <button type=\"submit\">Buy now</button>");
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builder.AppendLine($"</form>");
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vm.Example1 = builder.ToString();
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}
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try
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{
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var items = Parse(settings.Template, settings.Currency);
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var builder = new StringBuilder();
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builder.AppendLine($"<form method=\"POST\" action=\"{encoder.Encode(appUrl)}\">");
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builder.AppendLine($" <input type=\"hidden\" name=\"email\" value=\"customer@example.com\" />");
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builder.AppendLine($" <input type=\"hidden\" name=\"orderId\" value=\"CustomOrderId\" />");
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builder.AppendLine($" <input type=\"hidden\" name=\"notificationUrl\" value=\"https://example.com/callbacks\" />");
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builder.AppendLine($" <input type=\"hidden\" name=\"redirectUrl\" value=\"https://example.com/thanksyou\" />");
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builder.AppendLine($" <button type=\"submit\" name=\"choiceKey\" value=\"{items[0].Id}\">Buy now</button>");
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builder.AppendLine($"</form>");
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vm.Example2 = builder.ToString();
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}
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catch { }
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vm.InvoiceUrl = appUrl + "invoices/SkdsDghkdP3D3qkj7bLq3";
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}
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vm.ExampleCallback = "{\n \"id\":\"SkdsDghkdP3D3qkj7bLq3\",\n \"url\":\"https://btcpay.example.com/invoice?id=SkdsDghkdP3D3qkj7bLq3\",\n \"status\":\"paid\",\n \"price\":10,\n \"currency\":\"EUR\",\n \"invoiceTime\":1520373130312,\n \"expirationTime\":1520374030312,\n \"currentTime\":1520373179327,\n \"exceptionStatus\":false,\n \"buyerFields\":{\n \"buyerEmail\":\"customer@example.com\",\n \"buyerNotify\":false\n },\n \"paymentSubtotals\": {\n \"BTC\":114700\n },\n \"paymentTotals\": {\n \"BTC\":118400\n },\n \"transactionCurrency\": \"BTC\",\n \"amountPaid\": \"1025900\",\n \"exchangeRates\": {\n \"BTC\": {\n \"EUR\": 8721.690715789999,\n \"USD\": 10817.99\n }\n }\n}";
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return View(vm);
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}
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[HttpPost]
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[Route("{appId}/settings/pos")]
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public async Task<IActionResult> UpdatePointOfSale(string appId, UpdatePointOfSaleViewModel vm)
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{
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if (_Currencies.GetCurrencyData(vm.Currency, false) == null)
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ModelState.AddModelError(nameof(vm.Currency), "Invalid currency");
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try
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{
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Parse(vm.Template, vm.Currency);
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}
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catch
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{
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ModelState.AddModelError(nameof(vm.Template), "Invalid template");
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}
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if (!ModelState.IsValid)
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{
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return View(vm);
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}
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var app = await GetOwnedApp(appId, AppType.PointOfSale);
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if (app == null)
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return NotFound();
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app.SetSettings(new PointOfSaleSettings()
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{
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Title = vm.Title,
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ShowCustomAmount = vm.ShowCustomAmount,
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Currency = vm.Currency.ToUpperInvariant(),
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Template = vm.Template
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});
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await UpdateAppSettings(app);
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StatusMessage = "App updated";
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return RedirectToAction(nameof(UpdatePointOfSale));
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}
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[HttpGet]
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[Route("{appId}/pos")]
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public async Task<IActionResult> ViewPointOfSale(string appId)
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{
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var app = await GetApp(appId, AppType.PointOfSale);
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if (app == null)
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return NotFound();
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var settings = app.GetSettings<PointOfSaleSettings>();
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var currency = _Currencies.GetCurrencyData(settings.Currency, false);
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double step = currency == null ? 1 : Math.Pow(10, -(currency.Divisibility));
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return View(new ViewPointOfSaleViewModel()
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{
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Title = settings.Title,
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Step = step.ToString(CultureInfo.InvariantCulture),
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ShowCustomAmount = settings.ShowCustomAmount,
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Items = Parse(settings.Template, settings.Currency)
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});
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}
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private async Task<AppData> GetApp(string appId, AppType appType)
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{
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using (var ctx = _ContextFactory.CreateContext())
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{
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return await ctx.Apps
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.Where(us => us.Id == appId && us.AppType == appType.ToString())
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.FirstOrDefaultAsync();
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}
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}
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private ViewPointOfSaleViewModel.Item[] Parse(string template, string currency)
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{
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var input = new StringReader(template);
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YamlStream stream = new YamlStream();
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stream.Load(input);
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var root = (YamlMappingNode)stream.Documents[0].RootNode;
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return root
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.Children
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.Select(kv => new { Key = (kv.Key as YamlScalarNode)?.Value, Value = kv.Value as YamlMappingNode })
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.Where(kv => kv.Value != null)
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.Select(c => new ViewPointOfSaleViewModel.Item()
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{
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Id = c.Key,
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Title = c.Value.Children
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.Select(kv => new { Key = (kv.Key as YamlScalarNode)?.Value, Value = kv.Value as YamlScalarNode })
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.Where(kv => kv.Value != null)
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.Where(cc => cc.Key == "title")
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.FirstOrDefault()?.Value?.Value ?? c.Key,
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Price = c.Value.Children
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.Select(kv => new { Key = (kv.Key as YamlScalarNode)?.Value, Value = kv.Value as YamlScalarNode })
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.Where(kv => kv.Value != null)
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.Where(cc => cc.Key == "price")
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.Select(cc => new ViewPointOfSaleViewModel.Item.ItemPrice()
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{
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Value = decimal.Parse(cc.Value.Value, CultureInfo.InvariantCulture),
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Formatted = FormatCurrency(cc.Value.Value, currency)
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})
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.Single()
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})
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.ToArray();
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}
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string FormatCurrency(string price, string currency)
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{
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return decimal.Parse(price, CultureInfo.InvariantCulture).ToString("C", _Currencies.GetCurrencyProvider(currency));
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}
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[HttpPost]
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[Route("{appId}/pos")]
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[IgnoreAntiforgeryToken]
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public async Task<IActionResult> ViewPointOfSale(string appId,
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decimal amount,
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string email,
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string orderId,
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string notificationUrl,
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string redirectUrl,
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string choiceKey)
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{
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var app = await GetApp(appId, AppType.PointOfSale);
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if (string.IsNullOrEmpty(choiceKey) && amount <= 0)
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{
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return RedirectToAction(nameof(ViewPointOfSale), new { appId = appId });
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}
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if (app == null)
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return NotFound();
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var settings = app.GetSettings<PointOfSaleSettings>();
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if (string.IsNullOrEmpty(choiceKey) && !settings.ShowCustomAmount)
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{
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return RedirectToAction(nameof(ViewPointOfSale), new { appId = appId });
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}
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string title = null;
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var price = 0.0m;
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if (!string.IsNullOrEmpty(choiceKey))
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{
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var choices = Parse(settings.Template, settings.Currency);
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var choice = choices.FirstOrDefault(c => c.Id == choiceKey);
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if (choice == null)
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return NotFound();
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title = choice.Title;
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price = choice.Price.Value;
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}
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else
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{
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if (!settings.ShowCustomAmount)
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return NotFound();
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price = amount;
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title = settings.Title;
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}
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var store = await GetStore(app);
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var invoice = await _InvoiceController.CreateInvoiceCore(new NBitpayClient.Invoice()
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{
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ItemDesc = title,
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Currency = settings.Currency,
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Price = price,
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BuyerEmail = email,
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OrderId = orderId,
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NotificationURL = notificationUrl,
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RedirectURL = redirectUrl,
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FullNotifications = true
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}, store, HttpContext.Request.GetAbsoluteRoot());
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return Redirect(invoice.Data.Url);
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}
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private async Task<StoreData> GetStore(AppData app)
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{
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using (var ctx = _ContextFactory.CreateContext())
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{
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return await ctx.Stores.FirstOrDefaultAsync(s => s.Id == app.StoreDataId);
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}
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}
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private async Task UpdateAppSettings(AppData app)
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{
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using (var ctx = _ContextFactory.CreateContext())
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{
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ctx.Apps.Add(app);
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ctx.Entry<AppData>(app).State = EntityState.Modified;
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ctx.Entry<AppData>(app).Property(a => a.Settings).IsModified = true;
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await ctx.SaveChangesAsync();
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}
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}
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}
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}
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