Separate each statistics pie chart into an independent component, fixes rendering crashes.

Aaru.Server.New/Components/Pages/Statistics/Commands.razor.cs

@@ -0,0 +1,54 @@
+using Aaru.Server.Database.Models;
+using Blazorise.Charts;
+using Microsoft.EntityFrameworkCore;
+using DbContext = Aaru.Server.Database.DbContext;
+
+namespace Aaru.Server.New.Components.Pages.Statistics;
+
+public partial class Commands
+{
+    PieChart<long>? _commandsChart;
+    List<long>      _commandsCounts = [];
+    string[]        _commandsLabels = [];
+    List<Command>   CommandsList { get; set; } = [];
+
+    /// <inheritdoc />
+    protected override async Task OnInitializedAsync()
+    {
+        await base.OnInitializedAsync();
+
+        await using DbContext ctx = await DbContextFactory.CreateDbContextAsync();
+
+        CommandsList = await ctx.Commands.OrderBy(static c => c.Name).ToListAsync();
+
+        _commandsLabels = await ctx.Commands.OrderByDescending(static o => o.Count)
+                                   .Take(10)
+                                   .Select(static v => v.Name)
+                                   .ToArrayAsync();
+
+        _commandsCounts = await ctx.Commands.OrderByDescending(static o => o.Count)
+                                   .Take(10)
+                                   .Select(static x => x.Count)
+                                   .ToListAsync();
+
+        if(_commandsLabels.Length >= 10)
+        {
+            _commandsLabels[9] = "Other";
+
+            _commandsCounts[9] = ctx.Commands.Sum(static o => o.Count) - _commandsCounts.Take(9).Sum();
+        }
+
+#pragma warning disable CS8604 // Possible null reference argument.
+        await Common.HandleRedraw(_commandsChart, _commandsLabels, GetCommandsChartDataset);
+#pragma warning restore CS8604 // Possible null reference argument.
+    }
+
+    PieChartDataset<long> GetCommandsChartDataset() => new()
+    {
+        Label           = $"Top {_commandsLabels.Length} used commands",
+        Data            = _commandsCounts,
+        BackgroundColor = Common._backgroundColors,
+        BorderColor     = Common._borderColors,
+        BorderWidth     = 1
+    };
+}