btcpayserver/BTCPayServer/Views/AppsPublic/Crowdfund/ContributeForm.cshtml

@model BTCPayServer.Models.AppViewModels.ContributeToCrowdfund

<form method="post">
    @foreach (var item in Model.ViewCrowdfundViewModel.Perks)
    {
        <div class="card mb-4 perk expanded" id="@item.Id">
            @if (Model.ViewCrowdfundViewModel.DisplayPerksRanking && Model.ViewCrowdfundViewModel.PerkCount.ContainsKey(item.Id))
            {
                <span class="btn btn-sm rounded-circle px-0 btn-primary perk-badge">#@(Array.IndexOf(Model.ViewCrowdfundViewModel.Perks, item) + 1)</span>
            }
            @if (!string.IsNullOrEmpty(item.Image))
            {
                <img class="card-img-top" src="@item.Image" alt="@item.Title" asp-append-version="true" />
            }
            <div class="card-body">
                <div class="card-title d-flex align-items-center justify-content-between mb-1">
                    <label class="h5 d-flex align-items-center">
                        @if (Model.ViewCrowdfundViewModel.Started && !Model.ViewCrowdfundViewModel.Ended && (item.Price.Value > 0 || item.Custom))
                        {
                            <input type="radio" asp-for="ChoiceKey" value="@item.Id" class="form-check-input mt-0 me-2"/>
                        }
                        @(string.IsNullOrEmpty(item.Title) ? item.Id : item.Title)
                    </label>
                    <span class="text-muted">
                        @if (item.Price.Value > 0)
                        {
                            <span>@item.Price.Value</span>
                            <span>@Model.ViewCrowdfundViewModel.TargetCurrency</span>

                            if (item.Custom)
                            {
                                @Safe.Raw("or more")
                            }
                        }
                        else if (item.Custom)
                        {
                            @Safe.Raw("Any amount")
                        }
                    </span>
                </div>
                <p class="card-text overflow-hidden">@Safe.Raw(item.Description)</p>
            </div>
            @if (Model.ViewCrowdfundViewModel.PerkCount.ContainsKey(item.Id) || item.Inventory.HasValue)
            {
                <div class="card-footer d-flex justify-content-between">
                    @switch (item.Inventory)
                    {
                        case null:
                            <span></span>
                            break;
                        case int i when i <= 0:
                            <span>Sold out</span>
                            break;
                        default:
                            <span>@item.Inventory left</span>
                            break;
                    }
                    @if (Model.ViewCrowdfundViewModel.PerkCount.ContainsKey(item.Id))
                    {
                        <span>@Model.ViewCrowdfundViewModel.PerkCount[item.Id] Contributors</span>
                    }
                    else
                    {
                        <span></span>
                    }
                </div>
            }
        </div> 
    }
    @if (Model.ViewCrowdfundViewModel.Started && !Model.ViewCrowdfundViewModel.Ended)
    {
        <div class="form-group">
            <label asp-for="Email" class="form-label"></label>
            <input asp-for="Email" type="email" class="form-control"/>
            <span asp-validation-for="Email" class="text-danger"></span>
        </div>
        <div class="form-group">
            <label asp-for="Amount" class="form-label"></label>
            <div class="input-group mb-3">
                <input asp-for="Amount" type="number" step="any" class="form-control"/>
                <span class="input-group-text">@Model.ViewCrowdfundViewModel.TargetCurrency.ToUpperInvariant()</span>
            </div>
            <span asp-validation-for="Amount" class="text-danger"></span>
        </div>
        <input type="hidden" asp-for="RedirectToCheckout"/>
        <button type="submit" class="btn btn-primary">Contribute</button>
    }
</form>