Stabilize export dashboard and fill purchasing KPIs

TrafagSalesExporter/Components/Pages/PurchasingDashboard.razor

@@ -191,12 +191,12 @@
     private double _purchasing3dFactor = 1d;
     private double _purchasing3dLabelScale = 1.5d;
 
-    private readonly List<PurchasingKpiCard> KpiCards =
+    private IReadOnlyList<PurchasingKpiCard> KpiCards =>
     [
-        new("Spend total", "Total spend", "-", "Netwr CHF historisch", "Historic Netwr CHF", Icons.Material.Filled.Payments, Color.Primary),
-        new("Offene Bestellungen", "Open orders", "-", "Wert und Menge offen", "Open value and quantity", Icons.Material.Filled.PendingActions, Color.Warning),
-        new("Kontrakte", "Contracts", "-", "Restverpflichtungen", "Remaining commitments", Icons.Material.Filled.Assignment, Color.Info),
-        new("Lieferantenperformance", "Supplier performance", "-", "Bewertung / Liefertermintreue", "Rating / delivery reliability", Icons.Material.Filled.Verified, Color.Success)
+        new("Spend total", "Total spend", FormatChf(Purchasing3dBaseRows.Sum(x => x.Spend)), "Simulationsbasis bis SAP-Liveimport", "Simulation basis until SAP live import", Icons.Material.Filled.Payments, Color.Primary),
+        new("Offene Bestellungen", "Open orders", FormatChf(Purchasing3dBaseRows.Sum(x => x.OpenValue)), "Wert offen aus Simulationsbasis", "Open value from simulation basis", Icons.Material.Filled.PendingActions, Color.Warning),
+        new("Kontrakte", "Contracts", FormatChf(Purchasing3dBaseRows.Sum(x => x.ContractValue)), "Restverpflichtungen aus Simulationsbasis", "Remaining commitments from simulation basis", Icons.Material.Filled.Assignment, Color.Info),
+        new("Lieferantenperformance", "Supplier performance", $"{Purchasing3dBaseRows.Average(x => x.SupplierScore):N1}%", "Durchschnitt Score aus Simulationsbasis", "Average score from simulation basis", Icons.Material.Filled.Verified, Color.Success)
     ];
 
     private readonly List<PurchasingAxis> AnalysisAxes =
@@ -290,6 +290,7 @@
     }
 
     private string T(string german, string english) => UiText.Text(german, english);
+    private static string FormatChf(double value) => $"CHF {value:N0}";
 
     private async Task SetPurchasing3dIndicator(string value)
     {

TrafagSalesExporter/Services/DashboardPageService.cs

@@ -1,4 +1,5 @@
 using Microsoft.EntityFrameworkCore;
+using System.Data;
 using TrafagSalesExporter.Data;
 using TrafagSalesExporter.Models;
 
@@ -28,14 +29,7 @@ public sealed class DashboardPageService : IDashboardPageService
             .GroupBy(l => l.SiteId)
             .Select(g => g.OrderByDescending(l => l.Timestamp).First())
             .ToListAsync();
-        var appLogs = await db.AppEventLogs
-            .Where(l => l.SiteId != null)
-            .OrderByDescending(l => l.Timestamp)
-            .Take(1000)
-            .ToListAsync();
-        var latestAppLogsBySite = appLogs
-            .GroupBy(l => l.SiteId!.Value)
-            .ToDictionary(g => g.Key, g => g.OrderByDescending(x => x.Timestamp).First());
+        var latestAppLogsBySite = await LoadLatestAppLogsBySiteAsync(db);
 
         var rows = sites.Select(s =>
         {
@@ -86,6 +80,75 @@ public sealed class DashboardPageService : IDashboardPageService
         };
     }
 
+    private static async Task<Dictionary<int, AppEventLog>> LoadLatestAppLogsBySiteAsync(AppDbContext db)
+    {
+        var connection = db.Database.GetDbConnection();
+        var shouldClose = connection.State != ConnectionState.Open;
+        if (shouldClose)
+            await connection.OpenAsync();
+
+        try
+        {
+            await using var command = connection.CreateCommand();
+            command.CommandText = """
+SELECT Id, Timestamp, Level, Category, SiteId, Land, Message, Details
+FROM AppEventLogs
+WHERE SiteId IS NOT NULL
+ORDER BY Id DESC
+LIMIT 1000;
+""";
+
+            var logs = new List<AppEventLog>();
+            await using var reader = await command.ExecuteReaderAsync();
+            while (await reader.ReadAsync())
+            {
+                if (!TryReadInt(reader["SiteId"], out var siteId))
+                    continue;
+
+                if (!DateTime.TryParse(Convert.ToString(reader["Timestamp"]), out var timestamp))
+                    continue;
+
+                logs.Add(new AppEventLog
+                {
+                    Id = TryReadInt(reader["Id"], out var id) ? id : 0,
+                    Timestamp = timestamp,
+                    Level = Convert.ToString(reader["Level"]) ?? string.Empty,
+                    Category = Convert.ToString(reader["Category"]) ?? string.Empty,
+                    SiteId = siteId,
+                    Land = Convert.ToString(reader["Land"]) ?? string.Empty,
+                    Message = Convert.ToString(reader["Message"]) ?? string.Empty,
+                    Details = Convert.ToString(reader["Details"]) ?? string.Empty
+                });
+            }
+
+            return logs
+                .GroupBy(l => l.SiteId!.Value)
+                .ToDictionary(g => g.Key, g => g.OrderByDescending(x => x.Timestamp).First());
+        }
+        finally
+        {
+            if (shouldClose)
+                await connection.CloseAsync();
+        }
+    }
+
+    private static bool TryReadInt(object? value, out int number)
+    {
+        if (value is int intValue)
+        {
+            number = intValue;
+            return true;
+        }
+
+        if (value is long longValue && longValue >= int.MinValue && longValue <= int.MaxValue)
+        {
+            number = (int)longValue;
+            return true;
+        }
+
+        return int.TryParse(Convert.ToString(value), out number);
+    }
+
     private static List<string> BuildReadinessWarnings(List<Site> activeSites, List<SourceSystemDefinition> sourceSystems)
     {
         var warnings = new List<string>();

TrafagSalesExporter/wwwroot/js/finance3d.js

@@ -515,7 +515,7 @@
 
   window.trafagFinance3d = {
     render: function (canvas, rows, options) {
-      if (!canvas) return;
+      if (!canvas || typeof canvas.addEventListener !== "function") return;
       const normalizedRows = normalizeRows(rows);
       if (normalizedRows.length === 0) return;
       const existing = stateByCanvas.get(canvas);