public void Execute(IJobExecutionContext context)
        {
            SqlStoredProcedures    sqlSP  = new SqlStoredProcedures();
            Dictionary <int, char> shifts = sqlSP.StoreGetNextShifts();

            foreach (KeyValuePair <int, char> shift in shifts)
            {
                if (sqlSP.UserIsEmailSub(shift.Key) || sqlSP.StoreHasMissedShift(shift.Key))
                {
                    string displayName  = sqlSP.UserGetDisplayName(shift.Key);
                    string langName     = sqlSP.LangGetLangName(sqlSP.UserGetMainLang(shift.Key));
                    string emailAddress = sqlSP.UserGetMainEmailAddress(shift.Key);
                    Email.SendShiftNotificationEmail(emailAddress, displayName, shift.Value, langName);
                    System.Diagnostics.Debug.WriteLine("Sent shift notification to " + displayName + " at " + emailAddress);
                }
            }
        }