Restructure omni services and add Chatwoot research snapshot

research/chatwoot/app/services/twitter/direct_message_parser_service.rb

@@ -0,0 +1,126 @@
+class Twitter::DirectMessageParserService < Twitter::WebhooksBaseService
+  pattr_initialize [:payload]
+
+  def perform
+    return if source_app_id == parent_app_id
+
+    set_inbox
+    ensure_contacts
+    set_conversation
+    @message = @conversation.messages.create!(
+      content: message_create_data['message_data']['text'],
+      account_id: @inbox.account_id,
+      inbox_id: @inbox.id,
+      message_type: outgoing_message? ? :outgoing : :incoming,
+      sender: @contact,
+      source_id: direct_message_data['id']
+    )
+    attach_files
+  end
+
+  private
+
+  def attach_files
+    return if message_create_data['message_data']['attachment'].blank?
+
+    save_media
+    @message
+  end
+
+  def save_media_urls(file)
+    @message.content_attributes[:media_url] = file['media_url']
+    @message.content_attributes[:display_url] = file['display_url']
+    @message.save!
+  end
+
+  def direct_message_events_params
+    payload['direct_message_events']
+  end
+
+  def direct_message_data
+    direct_message_events_params.first
+  end
+
+  def message_create_data
+    direct_message_data['message_create']
+  end
+
+  def source_app_id
+    message_create_data['source_app_id']
+  end
+
+  def parent_app_id
+    ENV.fetch('TWITTER_APP_ID', '')
+  end
+
+  def media
+    message_create_data['message_data']['attachment']['media']
+  end
+
+  def users
+    payload[:users]
+  end
+
+  def ensure_contacts
+    users.each do |key, user|
+      next if key == profile_id
+
+      find_or_create_contact(user)
+    end
+  end
+
+  def conversation_params
+    {
+      account_id: @inbox.account_id,
+      inbox_id: @inbox.id,
+      contact_id: @contact.id,
+      contact_inbox_id: @contact_inbox.id,
+      additional_attributes: {
+        type: 'direct_message'
+      }
+    }
+  end
+
+  def set_conversation
+    @conversation = @contact_inbox.conversations.where("additional_attributes ->> 'type' = 'direct_message'").first
+    return if @conversation
+
+    @conversation = ::Conversation.create!(conversation_params)
+  end
+
+  def outgoing_message?
+    message_create_data['sender_id'] == @inbox.channel.profile_id
+  end
+
+  def api_client
+    @api_client ||= begin
+      consumer = OAuth::Consumer.new(ENV.fetch('TWITTER_CONSUMER_KEY', nil), ENV.fetch('TWITTER_CONSUMER_SECRET', nil),
+                                     { site: 'https://api.twitter.com' })
+      token = { oauth_token: @inbox.channel.twitter_access_token, oauth_token_secret: @inbox.channel.twitter_access_token_secret }
+      OAuth::AccessToken.from_hash(consumer, token)
+    end
+  end
+
+  def save_media
+    save_media_urls(media)
+    response = api_client.get(media['media_url'], [])
+
+    temp_file = Tempfile.new('twitter_attachment')
+    temp_file.binmode
+    temp_file << response.body
+    temp_file.rewind
+
+    return unless media['type'] == 'photo'
+
+    @message.attachments.new(
+      account_id: @inbox.account_id,
+      file_type: 'image',
+      file: {
+        io: temp_file,
+        filename: 'twitter_attachment',
+        content_type: media['type']
+      }
+    )
+    @message.save!
+  end
+end