btcpayserver/BTCPayServer/Views/AppsPublic/PointOfSale/Print.cshtml

@using BTCPayServer.Models.AppViewModels
@using BTCPayServer.Payments.Lightning
@using LNURL
@inject BTCPayNetworkProvider BTCPayNetworkProvider
@model BTCPayServer.Models.AppViewModels.ViewPointOfSaleViewModel

@{
    Context.Request.Query.TryGetValue("cryptocode", out var cryptoCodeValues);
    var cryptoCode = cryptoCodeValues.FirstOrDefault() ?? "BTC";
    Layout = "_LayoutPos";
    var anyInventoryItems = Model.Items.Any(item => item.Inventory.HasValue);
    var supported = Model.Store.GetSupportedPaymentMethods(BTCPayNetworkProvider).OfType<LNURLPaySupportedPaymentMethod>().OrderBy(method => method.CryptoCode == cryptoCode).FirstOrDefault();
    if (supported != null && !Model.Store.GetEnabledPaymentIds(BTCPayNetworkProvider).Contains(supported.PaymentId))
    {
        supported = null;
    }
    
    
}
@if (supported is null)
{
    <div class="alert alert-warning text-center sticky-top mb-0 rounded-0" role="alert">
        LNURL is not enabled on your store, which this print feature relies on.
    </div>
}
<div class="container d-flex h-100">
    <div class="justify-content-center align-self-center text-center mx-auto px-2 py-3 w-100 m-auto">
        <partial name="_StatusMessage" />

        <h1 class="mb-4">@Model.Title</h1>
        @if (!string.IsNullOrEmpty(Model.Description))
        {
            <div class="row">
                <div class="overflow-hidden col-12">@Safe.Raw(Model.Description)</div>
            </div>
        }
        <div class="card-deck my-3 mx-auto">
            @for (int x = 0; x < Model.Items.Length; x++)
            {
                var item = Model.Items[x];
                var buttonText = string.IsNullOrEmpty(item.BuyButtonText) ? item.Price.Type != ViewPointOfSaleViewModel.Item.ItemPrice.ItemPriceType.Fixed ? Model.CustomButtonText : Model.ButtonText : item.BuyButtonText;
                buttonText = buttonText.Replace("{0}",item.Price.Formatted)
                    ?.Replace("{Price}",item.Price.Formatted);
                
                <div class="card px-0" data-id="@x">
                    @if (!String.IsNullOrWhiteSpace(item.Image))
                    {
                        <img class="card-img-top" src="@item.Image" asp-append-version="true">
                    }
                    @{CardBody(item.Title, item.Description);}
                    <div class="card-footer bg-transparent border-0 pb-3">
                        <div class="w-100 pt-2 text-center text-muted">
                            @switch (item.Price.Type)
                            {
                                case ViewPointOfSaleViewModel.Item.ItemPrice.ItemPriceType.Topup:
                                    <span>Any amount</span>
                                    break;
                                case ViewPointOfSaleViewModel.Item.ItemPrice.ItemPriceType.Minimum:
                                    <span>@item.Price.Formatted minimum</span>
                                    break;
                                case ViewPointOfSaleViewModel.Item.ItemPrice.ItemPriceType.Fixed:
                                    @item.Price.Formatted
                                    break;
                                default:
                                    throw new ArgumentOutOfRangeException();
                            }
                        </div>
                        @if (!item.Inventory.HasValue || item.Inventory.Value > 0)
                        {
                            if (supported != null)
                            {
                                var lnurlEndpoint = new Uri(Url.Action("GetLNURLForApp", "LNURL", new
                                {
                                    cryptoCode = supported.CryptoCode,
                                    appid = Model.AppId,
                                    ItemCode = item.Id
                                }, Context.Request.Scheme, Context.Request.Host.ToString()));
                                var lnUrl = LNURL.EncodeUri(lnurlEndpoint, "payRequest", supported.UseBech32Scheme);
                                <vc:qr-code data="@lnUrl.ToString().ToUpperInvariant()"></vc:qr-code>

                                <a href="@lnUrl" class="btn btn-secondary d-print-none w-100 mt-2 lnurl" data-choice="@item.Id" rel="noreferrer noopener">
                                    Open in wallet
                                </a>
                            }
                        }
                        @if (item.Inventory.HasValue)
                        {

                            <div class="w-100 pt-2 text-center text-muted">
                                @if (item.Inventory > 0)
                                {
                                    <span>@item.Inventory left</span>
                                }
                                else
                                {
                                    <span>Sold out</span>
                                }
                            </div>
                        }
                        else if (anyInventoryItems)
                        {
                            <div class="w-100 pt-2">&nbsp;</div>
                        }
                    </div>
                </div>
            }
        </div>
    </div>
</div>

@functions {
    private void CardBody(string title, string description)
    {
        <div class="card-body my-auto pb-0">
            <h5 class="card-title">@title</h5>
            @if (!String.IsNullOrWhiteSpace(description))
            {
                <p class="card-text">@Safe.Raw(description)</p>
            }
        </div>
    }
}