actions folder

The actions folder for this sample app contains a few JavaScript files and one folder called commerce. The JavaScript shown is an excellent example file that can be reused if it is relevant to your work. This folder can save you time in development efforts when connecting to the Adobe Commerce application using OAuth and REST.

The actual names of folders in this example are arbitrary, but knowing their names can help you interpret the sample code. By using a meaningful naming convention, you can avoid confusion if the application grows more complex.

Who is this video for?

  • Developers new to Adobe Commerce with limited experience with Adobe App Builder who are learning about the actions folder in the sample application.

Video content

  • Introduction to App Builder and the sample module focusing on the actions folder
  • How to use the “actions” folder
  • The purpose of the JavaScript file found in the actions and commerce folders
  • A quick overview of the OAuth authentication files

Code Samples

actions/oauth1a.js

/*
 * Copyright 2023 Adobe
 * All Rights Reserved.
 *
 * NOTICE: All information contained herein is, and remains
 * the property of Adobe and its suppliers, if any. The intellectual
 * and technical concepts contained herein are proprietary to Adobe
 * and its suppliers and are protected by all applicable intellectual
 * property laws, including trade secret and copyright laws.
 * Dissemination of this information or reproduction of this material
 * is strictly forbidden unless prior written permission is obtained
 * from Adobe.
 */
const { Core } = require('@adobe/aio-sdk')
const { errorResponse, checkMissingRequestInputs} = require('../utils')
const { getCommerceOauthClient } = require('../oauth1a')

async function main(params) {
    const logger = Core.Logger('main', { level: params.LOG_LEVEL || 'info' })

    try {
        const requiredParams = ['operation', 'COMMERCE_BASE_URL']
        const requiredHeaders = ['Authorization']
        const errorMessage = checkMissingRequestInputs(params, requiredParams, requiredHeaders)
        if (errorMessage) {
            // return and log client errors
            return errorResponse(400, errorMessage, logger)
        }

        const { operation } = params

        const oauth = getCommerceOauthClient(
            {
                url: params.COMMERCE_BASE_URL,
                consumerKey: params.COMMERCE_CONSUMER_KEY,
                consumerSecret: params.COMMERCE_CONSUMER_SECRET,
                accessToken: params.COMMERCE_ACCESS_TOKEN,
                accessTokenSecret: params.COMMERCE_ACCESS_TOKEN_SECRET
            },
            logger
        )

        const content = await oauth.get(operation)

        return {
            statusCode: 200,
            body: content
        }
    } catch (error) {
        // log any server errors
        logger.error(error)
        // return with 500
        return errorResponse(500, error, logger)
    }
}

exports.main = main

actions/utils.js

/*
 * Copyright 2023 Adobe
 * All Rights Reserved.
 *
 * NOTICE: All information contained herein is, and remains
 * the property of Adobe and its suppliers, if any. The intellectual
 * and technical concepts contained herein are proprietary to Adobe
 * and its suppliers and are protected by all applicable intellectual
 * property laws, including trade secret and copyright laws.
 * Dissemination of this information or reproduction of this material
 * is strictly forbidden unless prior written permission is obtained
 * from Adobe.
 */

/* This file exposes some common utilities for your actions */

/**
 *
 * Returns a log ready string of the action input parameters.
 * The `Authorization` header content will be replaced by '<hidden>'.
 *
 * @param {object} params action input parameters.
 *
 * @returns {string}
 *
 */
function stringParameters (params) {
  // hide authorization token without overriding params
  let headers = params.__ow_headers || {}
  if (headers.authorization) {
    headers = { ...headers, authorization: '<hidden>' }
  }
  return JSON.stringify({ ...params, __ow_headers: headers })
}

/**
 *
 * Returns the list of missing keys giving an object and its required keys.
 * A parameter is missing if its value is undefined or ''.
 * A value of 0 or null is not considered as missing.
 *
 * @param {object} obj object to check.
 * @param {array} required list of required keys.
 *        Each element can be multi level deep using a '.' separator e.g. 'myRequiredObj.myRequiredKey'
 *
 * @returns {array}
 * @private
 */
function getMissingKeys (obj, required) {
  return required.filter(r => {
    const splits = r.split('.')
    const last = splits[splits.length - 1]
    const traverse = splits.slice(0, -1).reduce((tObj, split) => { tObj = (tObj[split] || {}); return tObj }, obj)
    return traverse[last] === undefined || traverse[last] === '' // missing default params are empty string
  })
}

/**
 *
 * Returns the list of missing keys giving an object and its required keys.
 * A parameter is missing if its value is undefined or ''.
 * A value of 0 or null is not considered as missing.
 *
 * @param {object} params action input parameters.
 * @param {array} requiredHeaders list of required input headers.
 * @param {array} requiredParams list of required input parameters.
 *        Each element can be multi level deep using a '.' separator e.g. 'myRequiredObj.myRequiredKey'.
 *
 * @returns {string} if the return value is not null, then it holds an error message describing the missing inputs.
 *
 */
function checkMissingRequestInputs (params, requiredParams = [], requiredHeaders = []) {
  let errorMessage = null

  // input headers are always lowercase
  requiredHeaders = requiredHeaders.map(h => h.toLowerCase())
  // check for missing headers
  const missingHeaders = getMissingKeys(params.__ow_headers || {}, requiredHeaders)
  if (missingHeaders.length > 0) {
    errorMessage = `missing header(s) '${missingHeaders}'`
  }

  // check for missing parameters
  const missingParams = getMissingKeys(params, requiredParams)
  if (missingParams.length > 0) {
    if (errorMessage) {
      errorMessage += ' and '
    } else {
      errorMessage = ''
    }
    errorMessage += `missing parameter(s) '${missingParams}'`
  }

  return errorMessage
}

/**
 *
 * Extracts the bearer token string from the Authorization header in the request parameters.
 *
 * @param {object} params action input parameters.
 *
 * @returns {string|undefined} the token string or undefined if not set in request headers.
 *
 */
function getBearerToken (params) {
  if (params.__ow_headers &&
      params.__ow_headers.authorization &&
      params.__ow_headers.authorization.startsWith('Bearer ')) {
    return params.__ow_headers.authorization.substring('Bearer '.length)
  }
  return undefined
}
/**
 *
 * Returns an error response object and attempts to log.info the status code and error message
 *
 * @param {number} statusCode the error status code.
 *        e.g. 400
 * @param {string} message the error message.
 *        e.g. 'missing xyz parameter'
 * @param {*} [logger] an optional logger instance object with an `info` method
 *        e.g. `new require('@adobe/aio-sdk').Core.Logger('name')`
 *
 * @returns {object} the error object, ready to be returned from the action main's function.
 *
 */
function errorResponse (statusCode, message, logger) {
  if (logger && typeof logger.info === 'function') {
    logger.info(`${statusCode}: ${message}`)
  }
  return {
    error: {
      statusCode,
      body: {
        error: message
      }
    }
  }
}

module.exports = {
  errorResponse,
  getBearerToken,
  stringParameters,
  checkMissingRequestInputs
}

actions/commerce/index.js

/*
 * Copyright 2023 Adobe
 * All Rights Reserved.
 *
 * NOTICE: All information contained herein is, and remains
 * the property of Adobe and its suppliers, if any. The intellectual
 * and technical concepts contained herein are proprietary to Adobe
 * and its suppliers and are protected by all applicable intellectual
 * property laws, including trade secret and copyright laws.
 * Dissemination of this information or reproduction of this material
 * is strictly forbidden unless prior written permission is obtained
 * from Adobe.
 */
const { Core } = require('@adobe/aio-sdk')
const { errorResponse, checkMissingRequestInputs} = require('../utils')
const { getCommerceOauthClient } = require('../oauth1a')

async function main(params) {
    const logger = Core.Logger('main', { level: params.LOG_LEVEL || 'info' })

    try {
        const requiredParams = ['operation', 'COMMERCE_BASE_URL']
        const requiredHeaders = ['Authorization']
        const errorMessage = checkMissingRequestInputs(params, requiredParams, requiredHeaders)
        if (errorMessage) {
            // return and log client errors
            return errorResponse(400, errorMessage, logger)
        }

        const { operation } = params

        const oauth = getCommerceOauthClient(
            {
                url: params.COMMERCE_BASE_URL,
                consumerKey: params.COMMERCE_CONSUMER_KEY,
                consumerSecret: params.COMMERCE_CONSUMER_SECRET,
                accessToken: params.COMMERCE_ACCESS_TOKEN,
                accessTokenSecret: params.COMMERCE_ACCESS_TOKEN_SECRET
            },
            logger
        )

        const content = await oauth.get(operation)

        return {
            statusCode: 200,
            body: content
        }
    } catch (error) {
        // log any server errors
        logger.error(error)
        // return with 500
        return errorResponse(500, error, logger)
    }
}

exports.main = main

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