Remotely/Server/Components/AlertsFrame.razor

@inherits AuthComponentBase
@attribute [Authorize]
@inject IDataService DataService 

<button id="alertsButton" class="btn btn-info" @onclick="ToggleOpen">
    <span class="oi oi-bell"></span>
    <span id="alertsCount">
        @_alerts.Count
    </span>
</button>

<div id="alertsFrame" class="bg-secondary @FrameClass">
    <div class="text-right">
        <button id="clearAllAlertsButton" class="btn btn-secondary mt-2 mr-2 align-top" @onclick="ClearAllAlerts">
            Clear All
        </button>
        <button id="closeAlertsFrameButton" class="btn btn-secondary btn-sm mt-2 mr-2 align-top" @onclick="ToggleOpen">
            <span class="oi oi-x pointer"></span>
        </button>
    </div>

    <div id="alertsBody" class="mt-3">
        @foreach (var alert in _alerts)
        {
            <div @key="alert.ID" id="@alert.ID" class="card border-primary mb-3 mr-2 ml-2">
                <div class="card-header">@alert.CreatedOn.ToString()</div>
                <div class="card-body">
                    @if (!string.IsNullOrWhiteSpace(alert.Device?.DeviceName))
                    {
                        <h6 class="card-title">@alert.Device.DeviceName</h6>
                    }
                    <p class="card-text">@alert.Message</p>
                    <div class="text-right">
                        <button alert="@alert.ID" 
                                class="btn btn-sm btn-secondary alert-dismiss-button"
                                type="button"
                                @onclick="()=> { _ = ClearAlert(alert); }">
                            Dismiss
                        </button>
                    </div>
                </div>
            </div>
        }
    </div>
</div>

@code {
    private readonly List<Alert> _alerts = new();
    private bool _isOpen;

    private string FrameClass => _isOpen ? "open" : null;

    protected override Task OnInitializedAsync()
    {
        if (IsAuthenticated)
        {
            GetAlerts();
        }
        return base.OnInitializedAsync();
    }

    private async Task ClearAlert(Alert alert)
    {
        await DataService.DeleteAlert(alert);
        _alerts.Remove(alert);
    }

    private async Task ClearAllAlerts()
    {
        await DataService.DeleteAllAlerts(User.OrganizationID, User.UserName);
        _alerts.Clear();
    }

    private void GetAlerts()
    {
        _alerts.Clear();
        var alerts = DataService.GetAlerts(User.Id);
        if (alerts.Any())
        {
            _alerts.AddRange(alerts);
        }
    }

    private void ToggleOpen()
    {
        _isOpen = !_isOpen;
    }
}