Update

app/models/shift_sale.rb

@@ -21,7 +21,7 @@ class ShiftSale < ApplicationRecord
       #find open shift where is open today and is not closed and login by current cashier
       today_date = DateTime.now.strftime("%Y-%m-%d")
       puts today_date
-      shift = ShiftSale.where("DATE(shift_started_at)= #{ today_date } and shift_started_at is not null and shift_closed_at is null and employee_id = #{current_user}").take
+      shift = ShiftSale.where("TO_CHAR(shift_started_at, 'YYYY-MM-DD')=? and shift_started_at is not null and shift_closed_at is null and employee_id = #{current_user}", today_date).take
 
       return shift
     #end