Make Field Mandatory – Client Script

Server Side Scripts will be blocked when the field is made from the Form/Field setup mandatory. So we will make the field mandatory through the script only for those required times.

/**
 * @NApiVersion 2.x
 * @NScriptType ClientScript
 * @NModuleScope SameAccount
 */
define(['N/currentRecord'],
    function (currentRecord) {
        var CR_AUTOSHIP_STATUS_FLD = 'custrecord_vv_autoship_status';
        var CR_AUTOSHIP_ADDON_FLD = 'custrecord_vv_autoship_addon';
        var CR_AUTOSHIP_SHIPDATE_FLD = 'custrecord_vv_autoship_date';
        var CR_AUTOSHIP_FREQUENCY_FLD = 'custrecord_vv_autoship_freq';
        var CR_AUTOSHIP_INTERVAL_FLD = 'custrecord_vv_autoship_interval';

        var mandatoryFields = [
            CR_AUTOSHIP_SHIPDATE_FLD,
            CR_AUTOSHIP_FREQUENCY_FLD,
            CR_AUTOSHIP_INTERVAL_FLD,
        ];

        /**
         * Validation function to be executed when record is saved.
         *
         * @param {Object} scriptContext
         * @param {Record} scriptContext.currentRecord - Current form record
         * @returns {boolean} Return true if record is valid
         *
         * @since 2015.2
         */
        function saveRecord(scriptContext) {
            var emptyFields = checkEmptyMandatoryFields(currentRecord, mandatoryFields);

            if (emptyFields.length > 0) {
                alert('Please enter value(s) for: ' + emptyFields.join(', '));
                return false;
            }

            return true;
        }

        /**
         * Function to be executed after page is initialized.
         *
         * @param {Object} scriptContext
         * @param {Record} scriptContext.currentRecord - Current form record
         * @param {string} scriptContext.mode - The mode in which the record is being accessed (create, copy, or edit)
         *
         * @since 2015.2
         */
        function pageInit(scriptContext) {
            revealMandatoryFields(scriptContext, currentRecord, mandatoryFields);
        }

        /**
         * Function to be executed when field is changed.
         *
         * @param {Object} scriptContext
         * @param {Record} scriptContext.currentRecord - Current form record
         * @param {string} scriptContext.sublistId - Sublist name
         * @param {string} scriptContext.fieldId - Field name
         * @param {number} scriptContext.lineNum - Line number. Will be undefined if not a sublist or matrix field
         * @param {number} scriptContext.columnNum - Line number. Will be undefined if not a matrix field
         *
         * @since 2015.2
         */
        function fieldChanged(scriptContext) {
            if (scriptContext.fieldId === CR_AUTOSHIP_STATUS_FLD || scriptContext.fieldId === CR_AUTOSHIP_ADDON_FLD) {
                revealMandatoryFields(scriptContext, currentRecord, mandatoryFields);
            }
        }

        function revealMandatoryFields(scriptContext, curRec, fields) {
            var lineRec = scriptContext.currentRecord;

            // validate mandatory fields are filled
            // when status is Active
            if (lineRec.getText(CR_AUTOSHIP_STATUS_FLD) === 'Active') {
                // Date is the only mandatory field for Add-On
                if (lineRec.getValue(CR_AUTOSHIP_ADDON_FLD)) {
                    toggleMandatoryFields(curRec, [CR_AUTOSHIP_SHIPDATE_FLD], true);
                    toggleMandatoryFields(curRec, [CR_AUTOSHIP_FREQUENCY_FLD, CR_AUTOSHIP_INTERVAL_FLD], false);
                } else {
                    toggleMandatoryFields(curRec, fields, true);
                }
            } else {
                toggleMandatoryFields(curRec, fields, false);
            }
        }

        function checkEmptyMandatoryFields(record, fields) {
            var emptyFields = []
            fields.forEach(function (fieldId) {
                var field = record.get().getField(fieldId);
                if (field.isMandatory && record.get().getValue(fieldId) === '') {
                    emptyFields.push(field.label)
                }
            });
            return emptyFields;
        }

        function toggleMandatoryFields(record, fields, isMandatory) {
            fields.forEach(function(fieldId) {
                var field = record.get().getField(fieldId);
                field.isMandatory = isMandatory;
                return true;
            });
        }

        return {
            saveRecord: saveRecord,
            pageInit: pageInit,
            fieldChanged: fieldChanged,
        };
    });