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shopifex lib shopifex_web controllers webhook_controller.ex
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lib/shopifex_web/controllers/webhook_controller.ex

defmodule ShopifexWeb.WebhookController do
@moduledoc """
You can use this module inside of another one of your application controllers.
The conn, shop and topic will be called by handle_topic/3 which you can define in your parent controller.
Example:
```elixir
use ShopifexWeb.WebhookController
def handle_topic(conn, shop, "app/uninstalled") do
Shopifex.Shops.delete_shop(shop)
conn
|> send_resp(200, "success")
end
```
"""
defmacro __using__(_opts) do
quote do
def action(conn, _) do
[topic] = Plug.Conn.get_req_header(conn, "x-shopify-topic")
[shop_url] = Plug.Conn.get_req_header(conn, "x-shopify-shop-domain")
case Shopifex.Shops.get_shop_by_url(shop_url) do
nil ->
conn
|> send_resp(200, "success")
shop ->
handle_topic(conn, shop, topic)
end
end
end
end
end