Include requested start and end dates for orders exports

lacagette_addons/lacagette_purchase/models/purchase_order.py

@@ -50,8 +50,8 @@ class PurchaseOrder(models.Model):
             LEFT JOIN stock_picking as sp ON po.name=sp.origin
             LEFT JOIN res_partner as rp ON po.partner_id=rp.id
             WHERE sp.date_done IS NOT NULL
-            AND sp.date_done > '{date_from}'
-            AND sp.date_done < '{date_to}'
+            AND sp.date_done >= '{date_from}'
+            AND sp.date_done <= '{date_to}'
             ORDER BY sp.date_done ASC
         """