validate.js

"use strict";
/**
 * Module to validate parameters.
 *
 * @module lib/validate
 */

/**
 * Validate parameters constructor
 *
 * @constructor
 */
const ValidateKlass = function () {
};

ValidateKlass.prototype = {

    /**
     * Check if parameter is present
     *
     * @param {string} param - parameter value
     *
     * @public
     */
    isPresent: function (param) {
        return (typeof param !== 'undefined' && param !== null && String(param).trim() !== '');
    },

    /**
     * Check if parameter is valid.
     *
     * @param {string} param - parameter value
     * @public
     */
    isValid: function (param) {
        const oThis = this,
            regex = /^[a-zA-Z0-9_\.\-]+$/;
        return oThis.isPresent(param) && String(param).match(regex);
    },

    /**
     * Get id from params.
     *
     * @param {object} params
     */
    getId: function (params) {
        const oThis = this;
        if (oThis.isValid(params.id)) {
            var id = params.id;
            delete params.id;
            return id;
        } else {
            throw new Error('id missing or invalid in request params');
        }
    },


    /**
     * Get user id from params.
     *
     * @param {object} params
     */
    getUserId: function (params) {
        const oThis = this;
        if (oThis.isValid(params.user_id)) {
            var userId = params.user_id;
            delete params.user_id;
            return userId
        } else {
            throw new Error('user_id missing or invalid in request params');
        }
    },

    /**
     * Get redeemable sku id from params.
     *
     * @param {object} params
     * @param {string} params.redeemable_sku_id
     */
    getRedeemableSkuId: function (params) {
        const oThis = this;
        if (oThis.isValid(params.redeemable_sku_id)) {
            var redeemableSkuId = params.redeemable_sku_id;
            delete params.redeemable_sku_id;
            return redeemableSkuId
        } else {
            throw new Error('redeemable_sku_id missing or invalid in request params');
        }
    },

    /**
     * Get redemption uid from params.
     *
     * @param {object} params
     * @param {string} params.redemption_id
     */
    getRedemptionId: function (params) {
        const oThis = this;
        if (oThis.isValid(params.redemption_id)) {
            let redemption_id = params.redemption_id;
            delete params.redemption_id;
            return redemption_id
        } else {
            throw new Error('redemption_id missing or invalid in request params.');
        }
    },


    /**
    * Get webhook id from params.
    *
    * @param {object} params
    */
    getWebhookId: function (params) {
        const oThis = this;
        if (oThis.isValid(params.webhook_id)) {
            let webhookId = params.webhook_id;
            return webhookId
        } else {
            throw new Error('webhook_id missing or invalid in request params');
        }
    },

    /**
     * Get chain id from params
     *
     * @param {object} params
     */
    getChainId: function (params) {
        const oThis = this;
        if (oThis.isValid(params.chain_id)) {
            var chainId = params.chain_id;
            delete params.chain_id;
            return chainId
        } else {
            throw new Error('chain_id missing or invalid in request params');
        }
    },

    /**
     * Get device address from params
     *
     * @param {object} params
     */
    getDeviceAddress: function (params) {
        const oThis = this;
        if (oThis.isValid(params.device_address)) {
            var deviceAddress = params.device_address;
            delete params.device_address;
            return deviceAddress;
        } else {
            throw new Error('device_address missing or invalid in request params');
        }
    },

    /**
     * Get session address from params
     *
     * @param {object} params
     */
    getSessionAddress: function (params) {
        const oThis = this;
        if (oThis.isValid(params.session_address)) {
            var sessionAddress = params.session_address;
            delete params.session_address;
            return sessionAddress;
        } else {
            throw new Error('session_address missing or invalid in request params');
        }
    },

    /**
     * Get transaction id from params
     *
     * @param {object} params
     */
    getTransactionId: function (params) {
        const oThis = this;
        if (oThis.isValid(params.transaction_id)) {
            var TxAddress = params.transaction_id;
            delete params.transaction_id;
            return TxAddress;
        } else {
            throw new Error('transaction_id missing or invalid in request params');
        }
    },

    /**
     * Get recovery owner address from params
     *
     * @param {object} params
     */
    getRecoveryOwnerAddress: function (params) {
        const oThis = this;
        if (oThis.isValid(params.recovery_owner_address)) {

            var RecoveryAddress = params.recovery_owner_address;
            delete params.recovery_owner_address;
            return RecoveryAddress;
        } else {
            throw new Error('recovery_owner_address missing or invalid in request params');
        }
    }

};

module.exports = new ValidateKlass();