Add missing webhook service endpoints

[adityasharma7]

What is the motivation for adding/enhancing this feature?

Add following API endpoint to webhookEndpointUrls:

1. subscribeOrderCreateWebhook
2. subscribeOrderReturnWebhook
3. subscribeOrderCancelWebhook
4. subscribeProductCreateWebhook

https://github.com/hotwax/job-manager/blob/main/src/services/WebhookService.ts#L14

Additional information

[dt2patel]

The scope of this task has changed since we have decided to move forward with a generic subscribe/unsub function model where you pass in the topic and the function calls a generic api in the backend

[shashwatbangar]

Understanding:

As we now using general Webhook pub/sub model where we will pass a topic to a single webhook api and according to the topic, API will be called.

Findings:

What are webhooks: https://zapier.com/blog/what-are-webhooks/ How webhooks are different from APIs: https://snipcart.com/blog/webhook-vs-api Shopify Webhooks: https://shopify.dev/api/admin-rest/2022-01/resources/webhook

[adityasharma7]

API: subscribeShopifyWebhook

Parameters: shopifyConfigId topic endpoint

subscribeProductDeleteWebhook "topic", "products/delete" "endpoint", "deleteProductFromShopify"

subscribeFileStatusUpdateWebhook "topic", "bulk_operations/finish" "endpoint", "uploadedFileStatusUpdateFromShopify"

subscribeOrderPaidWebhook "topic", "orders/paid" "endpoint", "orderPaidNotificationFromShopify"

subscribeInventoryLevelUpdateWebhook "topic", "inventory_levels/update" "endpoint", "inventoryLevelUpdateFromShopify"