Fetch/Create Site and Create Job

const access_token = "{{access_token}}"
// assumes a variable called "input" with a properties "siteName", "siteAddress", "siteLatitude", "siteLongitude", "siteBlueprint"
const siteName = input.siteName
const siteAddress = input.siteAddress
const siteLatitude = input.siteLatitude
const siteLongitude = input.siteLongitude
const siteBlueprint = input.siteBlueprint

// return the first item in an array
const head = ([x]) => x

// for convenience we are using an asynchronous function
const process = async () => {
  // get all sites
  const sites = await fetch(
    `https://api.vromo.io/v2/graph/role/sites?access_token=${access_token}`, {
      method: "GET"
    }
  ).then(res => res.json())

  // filter sites by site name and get the first match
  let site = head(sites.items.filter(site => site.contact.name === siteName))

  // if our filter returned no results create the site and return the assign the created site to "site"
  if (!site) {
    site = await fetch(
        `https://api.vromo.io/v2/graph/role/sites?access_token=${access_token}`, {
          method: "POST",
          headers: {
            "Content-Type": "application/json"
          },
          body: JSON.stringify([{
            contact: {
              name: siteName,
              address: siteAddress
            },
            coords: {
              lat: siteLatitude,
              lon: siteLongitude
            },
            blueprint: {
              id: siteBlueprint
            }
          }])
        }
      )
      .then(res => res.json())
      .then(result => head(result.items))
  }

  // create job on site
  return fetch(
    `https://api.vromo.io/v2/graph/role/sites/${site.id}/jobs?access_token=${access_token}`, {
      method: "POST",
      headers: {
        "Content-Type": "application/json"
      },
      body: JSON.stringify([{
        name: "Order Number #483920",
        contact: {
          name: "Mike",
          phone: "+353832224444",
          email: "mike@gmail.com"
        },
        attr: [{
            key: "Chef Instructions",
            value: "No onions on burger please"
          },
          {
            key: "Driver Instructions",
            value: "Please do not ring the doorbell"
          }
        ],
        tasks: [{
            timeframe: {
              by: 1578585415881
            }
          },
          {
            timeframe: {
              by: 1578589038037
            },
            zone: {
              name: "Customer",
              address: "VROMO, Phibsborough Tower, Dublin 7, Ireland",
              coords: {
                lat: 53.355473,
                lon: -6.270598
              }
            }
          }
        ]
      }])
    }
  ).then(res => res.json())
}

// call the "process" function and print the created job to the console
process().then(createdJob => console.log(createdJob))