fix: Automatically remove expired story mention (#5300)

When a user mentions the connected Instagram page in a story, the story's content is downloaded in Chatwoot, then if the user deletes the story, the content persists in the platform.

fixes: #5258

spec/builders/messages/instagram/message_builder_spec.rb

@@ -68,7 +68,7 @@ describe  ::Messages::Instagram::MessageBuilder do
 
       expect(contact.name).to eq('Jane Dae')
       expect(message.content).to eq('This story is no longer available.')
-      expect(message.attachments.count).to eq(1)
+      expect(message.attachments.count).to eq(0)
     end
 
     it 'does not create message for unsupported file type' do

spec/factories/channel/instagram_channel.rb

@@ -6,5 +6,9 @@ FactoryBot.define do
     user_access_token { SecureRandom.uuid }
     page_id { SecureRandom.uuid }
     account
+
+    before :create do |_channel|
+      WebMock::API.stub_request(:post, 'https://graph.facebook.com/v3.2/me/subscribed_apps')
+    end
   end
 end

spec/factories/messages.rb

@@ -8,6 +8,18 @@ FactoryBot.define do
     content_type { 'text' }
     account { create(:account) }
 
+    trait :instagram_story_mention do
+      content_attributes { { image_type: 'story_mention' } }
+      after(:build) do |message|
+        unless message.inbox.instagram?
+          message.inbox = create(:inbox, account: message.account,
+                                         channel: create(:channel_instagram_fb_page, account: message.account, instagram_id: 'instagram-123'))
+        end
+        attachment = message.attachments.new(account_id: message.account_id, file_type: :image, external_url: 'https://www.example.com/test.jpeg')
+        attachment.file.attach(io: File.open(Rails.root.join('spec/assets/avatar.png')), filename: 'avatar.png', content_type: 'image/png')
+      end
+    end
+
     after(:build) do |message|
       message.sender ||= message.outgoing? ? create(:user, account: message.account) : create(:contact, account: message.account)
       message.inbox ||= message.conversation&.inbox || create(:inbox, account: message.account)

spec/jobs/webhooks/instagram_events_job_spec.rb

@@ -113,6 +113,9 @@ describe Webhooks::InstagramEventsJob do
 
         expect(instagram_inbox.messages.count).to be 1
         expect(instagram_inbox.messages.last.attachments.count).to be 1
+
+        attachment = instagram_inbox.messages.last.attachments.last
+        expect(attachment.push_event_data[:data_url]).to eq(attachment.external_url)
       end
 
       it 'creates does not create contact or messages' do

spec/models/attachment_spec.rb

@@ -9,4 +9,23 @@ RSpec.describe Attachment, type: :model do
       expect(attachment.download_url).not_to be_nil
     end
   end
+
+  describe 'push_event_data for instagram story mentions' do
+    let(:instagram_message) { create(:message, :instagram_story_mention) }
+
+    before do
+      # stubbing the request to facebook api during the message creation
+      stub_request(:get, %r{https://graph.facebook.com/.*}).to_return(status: 200, body: {
+        story: { mention: { link: 'http://graph.facebook.com/test-story-mention', id: '17920786367196703' } },
+        from: { username: 'Sender-id-1', id: 'Sender-id-1' },
+        id: 'instagram-message-id-1234'
+      }.to_json, headers: {})
+    end
+
+    it 'returns external url as data and thumb urls' do
+      external_url = instagram_message.attachments.first.external_url
+      expect(instagram_message.attachments.first.push_event_data[:data_url]).to eq external_url
+      expect(instagram_message.attachments.first.push_event_data[:thumb_url]).to eq external_url
+    end
+  end
 end

spec/models/message_spec.rb

@@ -180,4 +180,34 @@ RSpec.describe Message, type: :model do
       expect(message.email_notifiable_message?).to be true
     end
   end
+
+  context 'when facebook channel with unavailable story link' do
+    let(:instagram_message) { create(:message, :instagram_story_mention) }
+
+    before do
+      # stubbing the request to facebook api during the message creation
+      stub_request(:get, %r{https://graph.facebook.com/.*}).to_return(status: 200, body: {
+        story: { mention: { link: 'http://graph.facebook.com/test-story-mention', id: '17920786367196703' } },
+        from: { username: 'Sender-id-1', id: 'Sender-id-1' },
+        id: 'instagram-message-id-1234'
+      }.to_json, headers: {})
+    end
+
+    it 'deletes the attachment for deleted stories' do
+      expect(instagram_message.attachments.count).to eq 1
+      stub_request(:get, %r{https://graph.facebook.com/.*}).to_return(status: 404)
+      instagram_message.push_event_data
+      expect(instagram_message.reload.attachments.count).to eq 0
+    end
+
+    it 'deletes the attachment for expired stories' do
+      expect(instagram_message.attachments.count).to eq 1
+      # for expired stories, the link will be empty
+      stub_request(:get, %r{https://graph.facebook.com/.*}).to_return(status: 200, body: {
+        story: { mention: { link: '', id: '17920786367196703' } }
+      }.to_json, headers: {})
+      instagram_message.push_event_data
+      expect(instagram_message.reload.attachments.count).to eq 0
+    end
+  end
 end