feat: add notion oauth flow

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

app/controllers/notion/callbacks_controller.rb

@@ -0,0 +1,36 @@
+class Notion::CallbacksController < OauthCallbackController
+  include NotionConcern
+
+  private
+
+  def provider_name
+    'notion'
+  end
+
+  def oauth_client
+    notion_client
+  end
+
+  def handle_response
+    hook = account.hooks.new(
+      access_token: parsed_body['access_token'],
+      status: 'enabled',
+      app_id: 'notion',
+      settings: {
+        token_type: parsed_body['token_type'],
+        workspace_name: parsed_body['workspace_name'],
+        workspace_id: parsed_body['workspace_id'],
+        workspace_icon: parsed_body['workspace_icon'],
+        bot_id: parsed_body['bot_id'],
+        owner: parsed_body['owner']
+      }
+    )
+
+    hook.save!
+    redirect_to notion_redirect_uri
+  end
+
+  def notion_redirect_uri
+    "#{ENV.fetch('FRONTEND_URL', nil)}/app/accounts/#{account.id}/settings/integrations/notion"
+  end
+end

config/routes.rb

@@ -228,6 +228,10 @@ Rails.application.routes.draw do
             resource :authorization, only: [:create]
           end
 
+          namespace :notion do
+            resource :authorization, only: [:create]
+          end
+
           resources :webhooks, only: [:index, :create, :update, :destroy]
           namespace :integrations do
             resources :apps, only: [:index, :show]
@@ -493,6 +497,7 @@ Rails.application.routes.draw do
   get 'microsoft/callback', to: 'microsoft/callbacks#show'
   get 'google/callback', to: 'google/callbacks#show'
   get 'instagram/callback', to: 'instagram/callbacks#show'
+  get 'notion/callback', to: 'notion/callbacks#show'
   # ----------------------------------------------------------------------
   # Routes for external service verifications
   get '.well-known/assetlinks.json' => 'android_app#assetlinks'