Support Empty Values for Tracking Event Postal Code

[ericcholis]

Tracking Event Postal Code does not support empty values. Sample valid Tracking Event for the UPS Tracking Number 1Z1E21800376693932

{
      "occurred_at": "2020-09-15T20:55:13Z",
      "carrier_occurred_at": "2020-09-15T20:55:13",
      "description": "Destination Scan",
      "city_locality": "Buffalo",
      "state_province": "NY",
      "postal_code": "",
      "country_code": "US",
      "company_name": null,
      "signer": "",
      "event_code": "I",
      "latitude": 42.7898,
      "longitude": -78.8226
 }

[JamesMessinger]

Good catch. Thanks @ericcholis!

[ericcholis]

@JamesMessinger It looks like there are some other edge cases for tracking events. state_province can be empty as well as some other fields. Here's a full example that is bringing these errors up

{
  "tracking_number": "1Z1E21800376693932",
  "status_code": "DE",
  "status_description": "Delivered",
  "carrier_status_code": "D",
  "carrier_status_description": "Delivered",
  "ship_date": "2020-09-15T07:00:00Z",
  "estimated_delivery_date": "2020-09-16T07:00:00Z",
  "actual_delivery_date": "2020-09-17T00:04:32Z",
  "exception_description": null,
  "events": [
    {
      "occurred_at": "2020-09-16T17:04:32Z",
      "carrier_occurred_at": "2020-09-16T17:04:32",
      "description": "Delivered",
      "city_locality": "BUFFALO",
      "state_province": "NY",
      "postal_code": "14223",
      "country_code": "US",
      "company_name": null,
      "signer": "DRIVER RELEASE",
      "event_code": "D",
      "latitude": 42.7898,
      "longitude": -78.8226
    },
    {
      "occurred_at": "2020-09-16T09:09:50Z",
      "carrier_occurred_at": "2020-09-16T09:09:50",
      "description": "Out For Delivery Today",
      "city_locality": "Buffalo",
      "state_province": "NY",
      "postal_code": "",
      "country_code": "US",
      "company_name": null,
      "signer": "",
      "event_code": "I",
      "latitude": 42.7898,
      "longitude": -78.8226
    },
    {
      "occurred_at": "2020-09-16T02:12:28Z",
      "carrier_occurred_at": "2020-09-16T02:12:28",
      "description": "Loaded on Delivery Vehicle",
      "city_locality": "Buffalo",
      "state_province": "NY",
      "postal_code": "",
      "country_code": "US",
      "company_name": null,
      "signer": "",
      "event_code": "I",
      "latitude": 42.7898,
      "longitude": -78.8226
    },
    {
      "occurred_at": "2020-09-15T20:55:13Z",
      "carrier_occurred_at": "2020-09-15T20:55:13",
      "description": "Destination Scan",
      "city_locality": "Buffalo",
      "state_province": "NY",
      "postal_code": "",
      "country_code": "US",
      "company_name": null,
      "signer": "",
      "event_code": "I",
      "latitude": 42.7898,
      "longitude": -78.8226
    },
    {
      "occurred_at": "2020-09-15T18:19:06Z",
      "carrier_occurred_at": "2020-09-15T18:19:06",
      "description": "Order Processed: Ready for UPS",
      "city_locality": "",
      "state_province": "",
      "postal_code": "",
      "country_code": "US",
      "company_name": null,
      "signer": "",
      "event_code": "M",
      "latitude": null,
      "longitude": null
    }
  ]
}

[JamesMessinger]

Thanks for pointing these out, @ericcholis!