router.post('/api/retrievefornotifications', (request, response) => {
    var requestBody = request.body;
    var responseCode;
    var teacher = requestBody.teacher;
    var notification = requestBody.notification;

    var emails = helper.findEmailAddresses(notification);

    console.log(emails);

    var retrieveValues = {
        recipients: []
    };

    async function suspended(dataElement) {
        con.query('SELECT COUNT(*) as count_value FROM school.schoolinformation WHERE email = ? AND user_status = ?', [dataElement, 1], function (err, result, fields) {
        // con.query('SELECT COUNT(*) as count_value FROM school.schoolinformation WHERE email = ? AND user_status = ?; SELECT COUNT(*) as count_value2 FROM school.registration_relationship WHERE teacher_email = ? AND student_email = ?', [dataElement, 1, teacher, dataElement], function (err, result, fields) {
            // console.log("dataElements %s", dataElement);
            if (!err) {
                // console.log("Count value 1: %s",result[0][0].count_value);
                // console.log("Count value 2: %s",result[1][0].count_value2);
                // var suspended = result[0][0].count_value;
                // var registerWithTeacher = result[1][0].count_value;

                // console.log(result);
                var suspended = result[0].count_value;
                // Does such an email exist? (0 - NOT SUSPENDED, 1 - SUSPENDED) - suspended
                // If 1 means it is a registered pair - registerWithTeacher
                // has been mentioned in notification
                // Is registered with the teacher
                if (suspended == 0) {
                    console.log("pushing %s", dataElement);
                    retrieveValues.recipients.push(dataElement);
                }
                else {
                    responseCode = 500;
                    helper.writeResponse(responseCode, response, 0);
                }
            }
            else {
                responseCode = 204;
                helper.writeResponse(responseCode, response, 0);
            }
        });
    }

    console.log(retrieveValues);
    response.end();

})