RpgRoller/RpgRoller/Components/Pages/HomeControls/CampaignLogPanel.razor.cs

using System.Diagnostics.CodeAnalysis;
using Microsoft.AspNetCore.Components;
using Microsoft.JSInterop;
using RpgRoller.Contracts;

namespace RpgRoller.Components.Pages.HomeControls;

[ExcludeFromCodeCoverage]
public partial class CampaignLogPanel
{
    protected override async Task OnAfterRenderAsync(bool firstRender)
    {
        if (IsCampaignDataLoading || CampaignLog.Count == 0)
        {
            LastRenderedLogCount = CampaignLog.Count;
            return;
        }

        if (firstRender || CampaignLog.Count > LastRenderedLogCount)
        {
            try
            {
                await JS.InvokeVoidAsync("rpgRollerApi.scrollElementToBottom", LogPanelRef);
            }
            catch (JSDisconnectedException)
            {
            }
            catch (InvalidOperationException ex) when (ex.Message.Contains("statically rendered", StringComparison.OrdinalIgnoreCase))
            {
            }
        }

        LastRenderedLogCount = CampaignLog.Count;
    }

    [Inject]
    private IJSRuntime JS { get; set; } = null!;

    private ElementReference LogPanelRef { get; set; }
    private int LastRenderedLogCount { get; set; }

    [Parameter]
    public bool IsCampaignDataLoading { get; set; }

    [Parameter]
    public IReadOnlyList<CampaignLogEntry> CampaignLog { get; set; } = [];

    [Parameter]
    public Func<CampaignLogEntry, string> RollerLabel { get; set; } = _ => string.Empty;

    [Parameter]
    public Func<Guid, string> SkillLabel { get; set; } = _ => string.Empty;

    [Parameter]
    public Func<Guid, string> CharacterLabel { get; set; } = _ => string.Empty;

    [Parameter]
    public Func<CampaignLogEntry, string> LogEntryCssClass { get; set; } = _ => string.Empty;

    [Parameter]
    public Func<CampaignLogEntry, string> VisibilityLabel { get; set; } = _ => string.Empty;

    [Parameter]
    public Func<CampaignLogEntry, string> VisibilityBadgeCssClass { get; set; } = _ => string.Empty;
}