Add manual Excel column mapping

TrafagSalesExporter/Services/ExportLogService.cs

@@ -7,16 +7,25 @@ namespace TrafagSalesExporter.Services;
 public class ExportLogService : IExportLogService
 {
     private readonly IDbContextFactory<AppDbContext> _dbFactory;
+    private readonly ILogger<ExportLogService> _logger;
 
-    public ExportLogService(IDbContextFactory<AppDbContext> dbFactory)
+    public ExportLogService(IDbContextFactory<AppDbContext> dbFactory, ILogger<ExportLogService> logger)
     {
         _dbFactory = dbFactory;
+        _logger = logger;
     }
 
     public async Task WriteAsync(ExportLog log)
     {
-        using var db = await _dbFactory.CreateDbContextAsync();
-        db.ExportLogs.Add(log);
-        await db.SaveChangesAsync();
+        try
+        {
+            using var db = await _dbFactory.CreateDbContextAsync();
+            db.ExportLogs.Add(log);
+            await db.SaveChangesAsync();
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "ExportLog konnte nicht gespeichert werden: {Land} ({TSC})", log.Land, log.TSC);
+        }
     }
 }