Add configurable HANA mapping for ZSCHWEIZ

TrafagSalesExporter/Services/DataSources/HanaDataSourceAdapter.cs

@@ -29,14 +29,32 @@ public sealed class HanaDataSourceAdapter : IDataSourceAdapter
 
         using var db = await _dbFactory.CreateDbContextAsync();
         var exportServer = await BuildEffectiveServerAsync(db, site, sourceDefinition);
+        var sourceMappings = await db.SapSourceDefinitions
+            .Where(s => s.SiteId == site.Id)
+            .OrderBy(s => s.SortOrder)
+            .ThenBy(s => s.Id)
+            .ToListAsync();
+        var joins = await db.SapJoinDefinitions
+            .Where(j => j.SiteId == site.Id)
+            .OrderBy(j => j.SortOrder)
+            .ThenBy(j => j.Id)
+            .ToListAsync();
+        var fieldMappings = await db.SapFieldMappings
+            .Where(m => m.SiteId == site.Id)
+            .OrderBy(m => m.SortOrder)
+            .ThenBy(m => m.Id)
+            .ToListAsync();
 
         context.UpdateStatus?.Invoke("HANA Abfrage...");
         await _appEventLogService.WriteAsync("Export", "HANA Abfrage gestartet",
             siteId: site.Id, land: site.Land,
             details: exportServer.GetConnectionStringPreview());
 
-        var records = await _hanaService.GetSalesRecordsAsync(
-            exportServer, site.Schema, site.TSC, site.Land, context.Settings.DateFilter);
+        var records = sourceMappings.Count > 0 && fieldMappings.Count > 0
+            ? await _hanaService.GetMappedSalesRecordsAsync(
+                exportServer, site.Schema, site, sourceMappings, joins, fieldMappings, context.Settings.DateFilter)
+            : await _hanaService.GetSalesRecordsAsync(
+                exportServer, site.Schema, site.TSC, site.Land, context.Settings.DateFilter);
 
         return new DataSourceFetchResult { Records = records };
     }