feat: Add Instagram Channel (#2955)

app/controllers/api/v1/accounts/callbacks_controller.rb

@@ -12,6 +12,7 @@ class Api::V1::Accounts::CallbacksController < Api::V1::Accounts::BaseController
         page_access_token: page_access_token
       )
       @facebook_inbox = Current.account.inboxes.create!(name: inbox_name, channel: facebook_channel)
+      set_instagram_id(page_access_token, facebook_channel)
       set_avatar(@facebook_inbox, page_id)
     rescue StandardError => e
       Rails.logger.info e
@@ -22,6 +23,15 @@ class Api::V1::Accounts::CallbacksController < Api::V1::Accounts::BaseController
     @page_details = mark_already_existing_facebook_pages(fb_object.get_connections('me', 'accounts'))
   end
 
+  def set_instagram_id(page_access_token, facebook_channel)
+    fb_object = Koala::Facebook::API.new(page_access_token)
+    response = fb_object.get_connections('me', '', { fields: 'instagram_business_account' })
+    return if response['instagram_business_account'].blank?
+
+    instagram_id = response['instagram_business_account']['id']
+    facebook_channel.update(instagram_id: instagram_id)
+  end
+
   # get params[:inbox_id], current_account. params[:omniauth_token]
   def reauthorize_page
     if @inbox&.facebook?

app/controllers/api/v1/instagram_callbacks_controller.rb

@@ -0,0 +1,30 @@
+class Api::V1::InstagramCallbacksController < ApplicationController
+  skip_before_action :authenticate_user!, raise: false
+  skip_before_action :set_current_user
+
+  def verify
+    if valid_instagram_token?(params['hub.verify_token'])
+      Rails.logger.info('Instagram webhook verified')
+      render json: params['hub.challenge']
+    else
+      render json: { error: 'Error; wrong verify token', status: 403 }
+    end
+  end
+
+  def events
+    Rails.logger.info('Instagram webhook received events')
+    if params['object'].casecmp('instagram').zero?
+      ::Webhooks::InstagramEventsJob.perform_later(params.to_unsafe_hash[:entry])
+      render json: :ok
+    else
+      Rails.logger.info("Message is not received from the instagram webhook event: #{params['object']}")
+      head :unprocessable_entity
+    end
+  end
+
+  private
+
+  def valid_instagram_token?(token)
+    token == ENV['IG_VERIFY_TOKEN']
+  end
+end