Так будет лучше

VeterinaryClinic/VeterinaryClinicWebApp/Controllers/HomeController.cs

@@ -289,18 +289,31 @@ public class HomeController : Controller
     /// Îòïðàâèòü ïî ïî÷òå îò÷¸ò
     /// </summary>
     [HttpPost]
-    public void SendReport()
+    public void SendReport(DateTime dateFrom, DateTime dateTo)
     {
         if (APIClient.User == null)
         {
             throw new Exception("Íåîáõîäèìî àâòîðèçîâàòüñÿ!");
         }
 
+        if (dateFrom == DateTime.MinValue || dateTo == DateTime.MinValue)
+        {
+            throw new Exception("Ââåäåíû íå âñå äàííûå!");
+        }
+
+        _reportLogic.SaveVisitsInfoToPdfFile(new ReportBindingModel
+        {
+            FileName = $@"D:\report.pdf",
+            UserId = APIClient.User.Id,
+            DateFrom = dateFrom,
+            DateTo = dateTo
+        });
+
         _mailLogic.MailSendAsync(new MailSendInfoBindingModel
         {
             MailAddress = APIClient.User.Email,
             Subject = $"Îò÷åò {APIClient.User.FullName}",
-            Text = "Âàø îò÷åò",
+            Text = $@"Âàø îò÷åò ñ {dateFrom} ïî {dateTo}",
             Path = "D:\\report.pdf"
         });