mapo-core/MP-TAB/MP-TAB.Client/Components/MachineBlock.razor

@if (RecMSE == null)
{
    <div class="card text-white mapBlock rCAll bg-secondary p-0 m-0">
        <div class="card-body">
            <div class="placeholder-glow">
                <span class="placeholder col-7"></span>
                <span class="placeholder col-4"></span>
                <span class="placeholder col-4"></span>
                <span class="placeholder col-7"></span>
            </div>
        </div>
    </div>
}
else
{
    <div class="card mapBlock rCAll @cssStatus(RecMSE.Semaforo) p-0 m-0">
        <div class="card-body ">
            <div class="fs-2">
                @RecMSE.IdxMacchina
                <div class="small">
                    @RecMSE.DescrizioneStato
                </div>
            </div>
        </div>
    </div>
}

@code {

    [Parameter]
    public MappaStatoExpl? RecMSE { get; set; } = null;


    [Parameter]
    public bool DoBlink { get; set; } = false;

    [Parameter]
    public bool DoAnimate { get; set; } = false;


    [Parameter]
    public int keepAliveMin { get; set; } = 5;
    protected int kaFactor = 60 / 2;

    protected override async Task OnParametersSetAsync()
    {
        Console.WriteLine($"MachineBlock | Parameter SET! | Macc: {RecMSE?.IdxMacchina}");
        await InvokeAsync(StateHasChanged);
    }

    private string cssComStatus(string semaforo, DateTime? lastUpdateN)
    {
        DateTime lastUpdate = lastUpdateN.HasValue ? (DateTime)lastUpdateN : DateTime.Now.AddHours(-1);
        string answ = cssStatus(semaforo);
        if (DateTime.Now.Subtract(lastUpdate).TotalSeconds > (keepAliveMin * kaFactor))
        {
            answ = $"{baseCss}Ro";
            // blink se secondo pari...
            DateTime adesso = DateTime.Now;
            int resto = 0;
            Math.DivRem(adesso.Second, 2, out resto);
            if (resto == 0)
            {
                answ += "_b";
            }
        }
        return answ;
    }

    private string cssStatus(string codSemaforo)
    {
        // se vuoto --> mostra nero!
        if (string.IsNullOrEmpty(codSemaforo))
        {
            codSemaforo = "sNe";
        }
        string codColore = codSemaforo.Substring(1, 2);
        string answ = $"{baseCss}{codColore}";
        if (DoAnimate && codColore != "Ve")
        {
            if (DoBlink)
            {
                answ += "_b";
            }
        }
        return answ;
    }
    protected string baseCss = "sem";
}