feat: notion OAuth setup (#11765)

Co-authored-by: Muhsin Keloth <muhsinkeramam@gmail.com>

app/controllers/api/v1/accounts/integrations/notion_controller.rb

@@ -0,0 +1,14 @@
+class Api::V1::Accounts::Integrations::NotionController < Api::V1::Accounts::BaseController
+  before_action :fetch_hook, only: [:destroy]
+
+  def destroy
+    @hook.destroy!
+    head :ok
+  end
+
+  private
+
+  def fetch_hook
+    @hook = Integrations::Hook.where(account: Current.account).find_by(app_id: 'notion')
+  end
+end

app/controllers/api/v1/accounts/notion/authorizations_controller.rb

@@ -0,0 +1,21 @@
+class Api::V1::Accounts::Notion::AuthorizationsController < Api::V1::Accounts::OauthAuthorizationController
+  include NotionConcern
+
+  def create
+    redirect_url = notion_client.auth_code.authorize_url(
+      {
+        redirect_uri: "#{base_url}/notion/callback",
+        response_type: 'code',
+        owner: 'user',
+        state: state,
+        client_id: GlobalConfigService.load('NOTION_CLIENT_ID', nil)
+      }
+    )
+
+    if redirect_url
+      render json: { success: true, url: redirect_url }
+    else
+      render json: { success: false }, status: :unprocessable_entity
+    end
+  end
+end