Order and Transaction related webhooks not working

[dominiquemariano]

Reproduction Steps

1. Under LifterLMS > Settings > REST API > Webhooks create a new webhook with Topic set to "Order created" (webhook.site or other webhook testing site can be used to capture, for the Delivery URL)
2. Create an order by doing a real or test purchase
3. View the webhook log

Expected Behavior

You should get payload for the Order created topic.

Actual Behavior

Getting a rest_no_route error

{
  "code": "rest_no_route",
  "message": "No route was found matching the URL and request method.",
  "data": {
    "status": 404
  }
}

This issue has be recreated:

• [x] Locally
• [ ] On a staging site
• [ ] On a production website
• [x] With only LifterLMS and a default theme

[brianhogg]

The webhooks attempt to get the data for the webhook using the resource and action (ie. order and created). This translates to /llms/v1/orders/<order id> which is not currently an endpoint in our REST API. So we'll need to add an orders endpoint to get this working.

[brianhogg]

This also applies to any order-related webhook since there's no orders endpoints at all.

Same with transactions. I edited the title to include both. If we can add both at once great, otherwise we'll split this into two issues later.