template.js

const sendHttpRequest = require('sendHttpRequest');
const setCookie = require('setCookie');
const parseUrl = require('parseUrl');
const JSON = require('JSON');
const getRequestHeader = require('getRequestHeader');
const encodeUriComponent = require('encodeUriComponent');
const getCookieValues = require('getCookieValues');
const toBase64 = require('toBase64');
const makeTableMap = require('makeTableMap');
const getRemoteAddress = require('getRemoteAddress');
const getAllEventData = require('getAllEventData');
const logToConsole = require('logToConsole');
const getContainerVersion = require('getContainerVersion');

const isLoggingEnabled = determinateIsLoggingEnabled();
const traceId = getRequestHeader('trace-id');
const eventData = getAllEventData();

if (data.type === 'page_view') {
  const url = eventData.page_location || getRequestHeader('referer');

  if (url) {
    const value = parseUrl(url).searchParams[data.clickIdParameterName];

    if (value) {
      const options = {
        domain: 'auto',
        path: '/',
        secure: true,
        httpOnly: false
      };

      if (data.expiration > 0) options['max-age'] = data.expiration;

      setCookie('impact_cid', value, options, false);
    }
  }

  data.gtmOnSuccess();
} else {
  let requestUrl = 'https://api.impact.com/Advertisers/' + enc(data.accountSID) + '/Conversions';
  const requestHeaders = {
    'Content-Type': 'application/json',
    'Accept': 'application/json',
    'Authorization': 'Basic ' + toBase64(data.accountSID + ':' + data.authToken)
  };
  const postBody = data.additionalParameters ? makeTableMap(data.additionalParameters, 'name', 'value') : {};
  let currencyFromItems = '';
  let couponFromItems = '';
  const impactNames = {
    'id': 'ItemSku',
    'name': 'ItemName',
    'category': 'ItemCategory',
    'quantity': 'ItemQuantity',
    'price': 'ItemPrice'
  };

  postBody.ClickId = getCookieValues('impact_cid')[0] || '';
  postBody.EventDate =  'NOW';
  postBody.EventTypeId =  data.eventTypeId;
  postBody.CampaignId =  data.campaignId;
  postBody.OrderId = data.orderId;

  if (data.productArray) {
    for (let i = 0; i < data.productArray.length; i++) {
      if (data.productArray[i].currency) currencyFromItems = data.productArray[i].currency;
      if (data.productArray[i].coupon) couponFromItems = data.productArray[i].coupon;

      if (data.productArray[i].sku)
        postBody[impactNames.id + (i + 1)] = data.productArray[i].sku;
      else if (data.productArray[i].item_sku)
        postBody[impactNames.id + (i + 1)] = data.productArray[i].item_sku;
      else if (data.productArray[i].id)
        postBody[impactNames.id + (i + 1)] = data.productArray[i].id;
      else if (data.productArray[i].item_id)
        postBody[impactNames.id + (i + 1)] = data.productArray[i].item_id;

      if (data.productArray[i].name)
        postBody[impactNames.name + (i + 1)] = data.productArray[i].name;
      else if (data.productArray[i].item_name)
        postBody[impactNames.name + (i + 1)] = data.productArray[i].item_name;

      if (data.productArray[i].category)
        postBody[impactNames.category + (i + 1)] = data.productArray[i].category;
      else if (data.productArray[i].item_category)
        postBody[impactNames.category + (i + 1)] = data.productArray[i].item_category;

      if (data.productArray[i].quantity)
        postBody[impactNames.quantity + (i + 1)] = data.productArray[i].quantity;

      if (data.productArray[i].price)
        postBody[impactNames.price + (i + 1)] = data.productArray[i].price;
    }
  }

  if (!postBody.CurrencyCode) {
    if (eventData.currency) postBody.CurrencyCode = eventData.currency;
    else if (currencyFromItems) postBody.CurrencyCode = currencyFromItems;
  }

  if (!postBody.OrderPromoCode) {
    if (eventData.coupon) postBody.OrderPromoCode = eventData.coupon;
    else if (couponFromItems) postBody.OrderPromoCode = couponFromItems;
  }

  if (!postBody.OrderDiscount) {
    if (eventData.discount) postBody.OrderDiscount = eventData.discount;
  }

  if (data.useIP) {
    postBody.IpAddress = getRemoteAddress();
  }

  if (isLoggingEnabled) {
    logToConsole(JSON.stringify({
      'Name': 'Impact',
      'Type': 'Request',
      'TraceId': traceId,
      'EventName': data.eventName,
      'RequestMethod': 'POST',
      'RequestUrl': requestUrl,
      'RequestBody': postBody,
    }));
  }

  sendHttpRequest(requestUrl, (statusCode, headers, body) => {
    if (isLoggingEnabled) {
      logToConsole(JSON.stringify({
        'Name': 'Impact',
        'Type': 'Response',
        'TraceId': traceId,
        'EventName': data.eventName,
        'ResponseStatusCode': statusCode,
        'ResponseHeaders': headers,
        'ResponseBody': body,
      }));
    }

    if (statusCode >= 200 && statusCode < 300) {
      data.gtmOnSuccess();
    } else {
      data.gtmOnFailure();
    }
  }, { headers: requestHeaders, method: 'POST' }, JSON.stringify(postBody));
}

function enc(value) {
  value = value || '';
  return encodeUriComponent(value);
}

function determinateIsLoggingEnabled() {
  const containerVersion = getContainerVersion();
  const isDebug = !!(
    containerVersion &&
    (containerVersion.debugMode || containerVersion.previewMode)
  );

  if (!data.logType) {
    return isDebug;
  }

  if (data.logType === 'no') {
    return false;
  }

  if (data.logType === 'debug') {
    return isDebug;
  }

  return data.logType === 'always';
}