refactor: move update_channel

app/controllers/microsoft/callbacks_controller.rb

@@ -5,14 +5,8 @@ class Microsoft::CallbacksController < OauthCallbackController
     'microsoft'
   end
 
-  def handle_response
-    inbox, already_exists = find_or_create_inbox
-
-    if already_exists
-      redirect_to app_email_inbox_settings_url(account_id: account.id, inbox_id: inbox.id)
-    else
-      redirect_to app_email_inbox_agents_url(account_id: account.id, inbox_id: inbox.id)
-    end
+  def imap_address
+    'outlook.office365.com'
   end
 
   def oauth_client
@@ -26,17 +20,4 @@ class Microsoft::CallbacksController < OauthCallbackController
                            token_url: 'https://login.microsoftonline.com/common/oauth2/v2.0/token'
                          })
   end
-
-  def update_channel(channel_email)
-    channel_email.update!({
-                            imap_login: users_data['email'], imap_address: 'outlook.office365.com',
-                            imap_port: '993', imap_enabled: true,
-                            provider: 'microsoft',
-                            provider_config: {
-                              access_token: parsed_body['access_token'],
-                              refresh_token: parsed_body['refresh_token'],
-                              expires_on: (Time.current.utc + 1.hour).to_s
-                            }
-                          })
-  end
 end

app/controllers/oauth_callback_controller.rb

@@ -14,6 +14,16 @@ class OauthCallbackController < ApplicationController
 
   private
 
+  def handle_response
+    inbox, already_exists = find_or_create_inbox
+
+    if already_exists
+      redirect_to app_email_inbox_settings_url(account_id: account.id, inbox_id: inbox.id)
+    else
+      redirect_to app_email_inbox_agents_url(account_id: account.id, inbox_id: inbox.id)
+    end
+  end
+
   def find_or_create_inbox
     channel_email = Channel::Email.find_by(email: users_data['email'], account: account)
     # we need this value to know where to redirect on sucessful processing of the callback
@@ -29,6 +39,19 @@ class OauthCallbackController < ApplicationController
     [channel_email.inbox, channel_exists]
   end
 
+  def update_channel(channel_email)
+    channel_email.update!({
+                            imap_login: users_data['email'], imap_address: imap_address,
+                            imap_port: '993', imap_enabled: true,
+                            provider: provider_name,
+                            provider_config: {
+                              access_token: parsed_body['access_token'],
+                              refresh_token: parsed_body['refresh_token'],
+                              expires_on: (Time.current.utc + 1.hour).to_s
+                            }
+                          })
+  end
+
   def provider_name
     raise NotImplementedError
   end
@@ -37,10 +60,6 @@ class OauthCallbackController < ApplicationController
     raise NotImplementedError
   end
 
-  def update_channel(channel_email)
-    raise NotImplementedError
-  end
-
   def create_channel_with_inbox
     ActiveRecord::Base.transaction do
       channel_email = Channel::Email.create!(email: users_data['email'], account: account)