Fix in Requests + in Report part

App/Report/sql/check_report.sql

@@ -0,0 +1,4 @@
+SELECT EXISTS (
+    SELECT 1 FROM reports
+    WHERE month = $month AND year = $year
+) AS exist;

App/Report/sql/report1.sql

@@ -1,11 +0,0 @@
-SELECT sellers.name AS 'Поставщик',
-	   w.date_of_delivery AS 'Дата поставки', 
-       SUM(wl.count) AS 'Общее количество заготовок', 
-       SUM(wl.price) AS 'Общая стоимость поставленных заготовок'
-FROM waybill w
-JOIN waybill_lines wl USING(waybill_id)
-JOIN workpiece USING(work_id)
-JOIN sellers USING(sel_id)
-WHERE workpiece.material = '${material}'
-AND (w.date_of_delivery BETWEEN '${date_from}' AND '${date_to}')
-GROUP BY sellers.name, w.date_of_delivery;

App/Report/sql/view_report.sql

@@ -0,0 +1,5 @@
+SELECT name_of_product AS 'Наименование',
+       count_of_bought AS 'Количество',
+       sum AS 'Общая стоимость'
+FROM reports
+WHERE month = '$month' AND year = '$year';