diff --git a/lib/integrations/bot_processor_service.rb b/app/services/integrations/bot_processor_service.rb
similarity index 100%
rename from lib/integrations/bot_processor_service.rb
rename to app/services/integrations/bot_processor_service.rb
diff --git a/lib/integrations/csml/processor_service.rb b/app/services/integrations/csml/processor_service.rb
similarity index 100%
rename from lib/integrations/csml/processor_service.rb
rename to app/services/integrations/csml/processor_service.rb
diff --git a/lib/integrations/dialogflow/processor_service.rb b/app/services/integrations/dialogflow/processor_service.rb
similarity index 100%
rename from lib/integrations/dialogflow/processor_service.rb
rename to app/services/integrations/dialogflow/processor_service.rb
diff --git a/lib/integrations/dyte/processor_service.rb b/app/services/integrations/dyte/processor_service.rb
similarity index 100%
rename from lib/integrations/dyte/processor_service.rb
rename to app/services/integrations/dyte/processor_service.rb
diff --git a/lib/integrations/facebook/delivery_status.rb b/app/services/integrations/facebook/delivery_status.rb
similarity index 100%
rename from lib/integrations/facebook/delivery_status.rb
rename to app/services/integrations/facebook/delivery_status.rb
diff --git a/lib/integrations/facebook/message_creator.rb b/app/services/integrations/facebook/message_creator.rb
similarity index 100%
rename from lib/integrations/facebook/message_creator.rb
rename to app/services/integrations/facebook/message_creator.rb
diff --git a/lib/integrations/facebook/message_parser.rb b/app/services/integrations/facebook/message_parser.rb
similarity index 100%
rename from lib/integrations/facebook/message_parser.rb
rename to app/services/integrations/facebook/message_parser.rb
diff --git a/lib/integrations/google_translate/detect_language_service.rb b/app/services/integrations/google_translate/detect_language_service.rb
similarity index 100%
rename from lib/integrations/google_translate/detect_language_service.rb
rename to app/services/integrations/google_translate/detect_language_service.rb
diff --git a/lib/integrations/google_translate/processor_service.rb b/app/services/integrations/google_translate/processor_service.rb
similarity index 100%
rename from lib/integrations/google_translate/processor_service.rb
rename to app/services/integrations/google_translate/processor_service.rb
diff --git a/lib/integrations/openai/openai_prompts/reply.txt b/app/services/integrations/openai/openai_prompts/reply.txt
similarity index 100%
rename from lib/integrations/openai/openai_prompts/reply.txt
rename to app/services/integrations/openai/openai_prompts/reply.txt
diff --git a/lib/integrations/openai/openai_prompts/summary.txt b/app/services/integrations/openai/openai_prompts/summary.txt
similarity index 100%
rename from lib/integrations/openai/openai_prompts/summary.txt
rename to app/services/integrations/openai/openai_prompts/summary.txt
diff --git a/lib/integrations/openai/processor_service.rb b/app/services/integrations/openai/processor_service.rb
similarity index 100%
rename from lib/integrations/openai/processor_service.rb
rename to app/services/integrations/openai/processor_service.rb
diff --git a/lib/integrations/openai_base_service.rb b/app/services/integrations/openai_base_service.rb
similarity index 100%
rename from lib/integrations/openai_base_service.rb
rename to app/services/integrations/openai_base_service.rb
diff --git a/lib/integrations/slack/channel_builder.rb b/app/services/integrations/slack/channel_builder.rb
similarity index 100%
rename from lib/integrations/slack/channel_builder.rb
rename to app/services/integrations/slack/channel_builder.rb
diff --git a/lib/integrations/slack/hook_builder.rb b/app/services/integrations/slack/hook_builder.rb
similarity index 100%
rename from lib/integrations/slack/hook_builder.rb
rename to app/services/integrations/slack/hook_builder.rb
diff --git a/lib/integrations/slack/incoming_message_builder.rb b/app/services/integrations/slack/incoming_message_builder.rb
similarity index 97%
rename from lib/integrations/slack/incoming_message_builder.rb
rename to app/services/integrations/slack/incoming_message_builder.rb
index 44d373259..6d0cccad0 100644
--- a/lib/integrations/slack/incoming_message_builder.rb
+++ b/app/services/integrations/slack/incoming_message_builder.rb
@@ -39,6 +39,10 @@ class Integrations::Slack::IncomingMessageBuilder
     params[:event][:user].present? && params[:event][:subtype].blank?
   end
 
+  def valid_event_subtype?
+    params[:event][:subtype].blank? || params[:event][:subtype] == 'file_share'
+  end
+
   def supported_event?
     hook_verification? || SUPPORTED_EVENTS.include?(params[:event][:type])
   end
diff --git a/lib/integrations/slack/send_on_slack_service.rb b/app/services/integrations/slack/send_on_slack_service.rb
similarity index 100%
rename from lib/integrations/slack/send_on_slack_service.rb
rename to app/services/integrations/slack/send_on_slack_service.rb
diff --git a/lib/integrations/widget/incoming_message_builder.rb b/app/services/integrations/widget/incoming_message_builder.rb
similarity index 100%
rename from lib/integrations/widget/incoming_message_builder.rb
rename to app/services/integrations/widget/incoming_message_builder.rb
diff --git a/lib/integrations/widget/outgoing_message_builder.rb b/app/services/integrations/widget/outgoing_message_builder.rb
similarity index 100%
rename from lib/integrations/widget/outgoing_message_builder.rb
rename to app/services/integrations/widget/outgoing_message_builder.rb