* Added ExcelGenerator and EmailSender

SytelineSaAppEfDataModel/Services/WzHeaderService.cs

@@ -18,4 +18,16 @@ public class WzHeaderService(SytelineSaAppDbContext context, IMapper mapper) : I
         await context.WzHeaders.AddAsync(entity);
         await context.SaveChangesAsync();
     }
+    
+    public async Task<WzHeaderDto> GetById(Guid id)
+    {
+        var entity = await context.WzHeaders.FindAsync(id);
+        var items = await context.WzRowsMeyle.Where(x => x.FK_Header == id).Select(x => mapper.Map<WzRowMeyleDto>(x))
+            .ToListAsync();
+
+        WzHeaderDto wzHeader = mapper.Map<WzHeaderDto>(entity);
+        wzHeader.WzRowsMeyle = items;
+
+        return wzHeader;
+    }
 }