btcpayserver/BTCPayServer/Views/Shared/PosData.cshtml

@model (Dictionary<string, object> Items, int Level)

@functions {
    private bool IsValidURL(string source)
    {
        return Uri.TryCreate(source, UriKind.Absolute, out var uriResult) && 
            (uriResult.Scheme == Uri.UriSchemeHttp || uriResult.Scheme == Uri.UriSchemeHttps);
    }
}

<table class="table my-0" v-pre>
    @foreach (var (key, value) in Model.Items)
    {
        <tr>
            @if (value is string str)
            {
                if (!string.IsNullOrEmpty(key))
                {
                    <th class="w-150px">@key</th>
                }
                <td>
                    @if (IsValidURL(str))
                    {
                        <a href="@str" target="_blank" rel="noreferrer noopener">@str</a>
                    }
                    else
                    {
                        @value?.ToString()
                    }
                </td>
            }
            else if (value is Dictionary<string, object>subItems)
            {
                @* This is the array case *@
                if (subItems.Count == 1 && subItems.First().Value is string str2)
                {
                    <th class="w-150px">@key</th>
                    <td>
                        @if (IsValidURL(str2))
                        {
                            <a href="@str2" target="_blank" rel="noreferrer noopener">@str2</a>
                        }
                        else
                        {
                            @subItems.First().Value?.ToString()
                        }
					</td>
				}
				else
				{
					<td colspan="2" >
						@{
							Write(Html.Raw($"<h{Model.Level + 3} class=\"mt-4 mb-3\">"));
							Write(key);
							Write(Html.Raw($"</h{Model.Level + 3}>"));
						}
                        <partial name="PosData" model="(subItems, Model.Level + 1)"/>
                    </td>
                }
            }
        </tr>
    }
</table>