StandManager/StandManager/Components/Pages/Management/Clienti.razor

@attribute [Authorize]
@page "/management/Clienti"
@using ClosedXML.Excel
@using Microsoft.EntityFrameworkCore
@using StandManager.Model
@using System.Threading.Tasks

@rendermode InteractiveServer

@inject AuthenticationStateProvider auth

<PageTitle>Clienti</PageTitle>

<div class="page-wrapper">
    <!-- BEGIN PAGE BODY -->
    <div class="page-body">
        <div class="container-xl">
            <div class="row row-cards">
                <div class="col">
                    <!-- Page pre-title -->
                    <div class="page-pretitle">Overview</div>
                    <h2 class="page-title">Clienti</h2>
                </div>
                <div class="col-auto ms-auto">
                    <div class="btn-list">
                        <RadzenUpload class="btn-5 d-none d-sm-inline-block" Change=@onUpload ChooseText="Importa da excel" />

                        <a href="/management/Clienti/Modifica" class="btn btn-primary btn-5 d-none d-sm-inline-block">
                            Nuovo cliente
                        </a>
                    </div>
                </div>
                <div class="col-lg-12">
                    <div class="card">
                        <div class="table-responsive">
                            <RadzenDataGrid @ref="clientiGrid" AllowFiltering="true" AllowColumnResize="true" AllowAlternatingRows="false" FilterMode="FilterMode.CheckBoxList" AllowSorting="true" PageSize="25"
                                            AllowPaging="true" PagerHorizontalAlign="HorizontalAlign.Left" ShowPagingSummary="true"
                                            Data="@clienti" LogicalFilterOperator="LogicalFilterOperator.Or" SelectionMode="DataGridSelectionMode.Single">
                                <Columns>
                                    <RadzenDataGridColumn Property="@nameof(Cliente.Id)" Filterable="false" Title="ID" Width="200px" TextAlign="TextAlign.Center" />
                                    <RadzenDataGridColumn Property="@nameof(Cliente.RagioneSociale)" Title="Ragione sociale" Width="250px" />
                                    <RadzenDataGridColumn Property="@nameof(Cliente.PartitaIva)" Title="Partita IVA" Width="250px" />
                                    <RadzenDataGridColumn Property="Agente.Info" Title="Agente" Width="250px" />
                                    <RadzenDataGridColumn Property="Capoarea.Info" Title="Capoarea" Width="250px" />

                                    <RadzenDataGridColumn Context="cliente" Filterable="false" Sortable="false" TextAlign="TextAlign.Right" Width="250px">
                                        <Template Context="cliente">
                                            <RadzenButton Icon="edit" ButtonStyle="ButtonStyle.Light" Variant="Variant.Flat" Size="ButtonSize.Medium" class="rz-my-1 rz-ms-1" Click="@(args => EditRow(cliente))" @onclick:stopPropagation="true" />
                                            <RadzenButton Icon="delete" ButtonStyle="ButtonStyle.Danger" Variant="Variant.Flat" Size="ButtonSize.Medium" Shade="Shade.Lighter" class="rz-my-1 rz-ms-1" Click="@(args => DeleteRow(cliente))" @onclick:stopPropagation="true" />
                                        </Template>
                                    </RadzenDataGridColumn>
                                </Columns>
                            </RadzenDataGrid>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>

@code {
    List<Cliente> clienti;
    RadzenDataGrid<Cliente> clientiGrid;

    /// <summary>
    /// Carica l’elenco dei clienti non eliminati, includendo l’agente,
    /// e prepara i dati per la visualizzazione in pagina.
    /// </summary>
    protected override async Task OnInitializedAsync()
    {
        await base.OnInitializedAsync();

        clienti = (await _managerService.ClienteService.RicercaQueryable(
            x => x.Eliminato == false, 
            includi: x => x.Include(y => y.Agente).Include(y => y.Capoarea),
        ordinamento: x => x.OrderBy(y => y.RagioneSociale)))
            .ToList();
    }

    /// <summary>
    /// Apre la pagina di modifica per il cliente selezionato.
    /// </summary>
    private async Task EditRow(ClienteViewModel cliente)
    {
        _navManager.NavigateTo($"/management/Clienti/Modifica/{cliente.Id}");
    }

    /// <summary>
    /// Chiede conferma ed elimina il cliente scelto; se confermato,
    /// aggiorna la lista ricaricandola dal database.
    /// </summary>
    private async Task DeleteRow(ClienteViewModel cliente)
    {
        var ok = await _dialogService.Confirm($"Vuoi davvero eliminare il cliente {cliente.RagioneSociale}?", "Conferma eliminazione", new ConfirmOptions { OkButtonText = "Sì", CancelButtonText = "No", Width = "400px" });

        if (ok == true)
        {
            await _managerService.ClienteService.Elimina(cliente.Id, await MembershipUtils.GetUserId(auth));
            clienti = (await _managerService.ClienteService.RicercaQueryable(x => x.Eliminato == false, includi: x => x.Include(y => y.Agente)))
            .ToList();
        }
    }

    private async Task onUpload(UploadChangeEventArgs args)
    {
        var file = args.Files.FirstOrDefault();
        if (file == null ||
        !file.Name.EndsWith(".xlsx", StringComparison.OrdinalIgnoreCase))
        {
            await _dialogService.Alert("Sono supportati solo file Excel .xlsx", "Errore");
            return;
        }
        try
        {
            // await using var uploadStream = file.OpenReadStream(10_000_000);
            await _dialogService.OpenAsync<Clienti_Import>("Importazione clienti e destinazioni", new Dictionary<string, object>() { { "args", args } });
        }
        catch (Exception ex)
        {
            var er = ex.Message;
            await _dialogService.Alert("Si è verificato un errore durante l'importazione del file.", "Errore");
        }
    }
}