Restructure omni services and add Chatwoot research snapshot

research/chatwoot/enterprise/app/services/messages/audio_transcription_service.rb

@@ -0,0 +1,111 @@
+class Messages::AudioTranscriptionService< Llm::LegacyBaseOpenAiService
+  include Integrations::LlmInstrumentation
+
+  WHISPER_MODEL = 'whisper-1'.freeze
+
+  attr_reader :attachment, :message, :account
+
+  def initialize(attachment)
+    super()
+    @attachment = attachment
+    @message = attachment.message
+    @account = message.account
+  end
+
+  def perform
+    return { error: 'Transcription limit exceeded' } unless can_transcribe?
+    return { error: 'Message not found' } if message.blank?
+
+    transcriptions = transcribe_audio
+    Rails.logger.info "Audio transcription successful: #{transcriptions}"
+    { success: true, transcriptions: transcriptions }
+  end
+
+  private
+
+  def can_transcribe?
+    return false unless account.feature_enabled?('captain_integration')
+    return false if account.audio_transcriptions.blank?
+
+    account.usage_limits[:captain][:responses][:current_available].positive?
+  end
+
+  def fetch_audio_file
+    blob = attachment.file.blob
+    temp_dir = Rails.root.join('tmp/uploads/audio-transcriptions')
+    FileUtils.mkdir_p(temp_dir)
+    temp_file_name = "#{blob.key}-#{blob.filename}"
+
+    if blob.filename.extension_without_delimiter.blank?
+      extension = extension_from_content_type(blob.content_type)
+      temp_file_name = "#{temp_file_name}.#{extension}" if extension.present?
+    end
+
+    temp_file_path = File.join(temp_dir, temp_file_name)
+
+    File.open(temp_file_path, 'wb') do |file|
+      blob.open do |blob_file|
+        IO.copy_stream(blob_file, file)
+      end
+    end
+
+    temp_file_path
+  end
+
+  def transcribe_audio
+    transcribed_text = attachment.meta&.[]('transcribed_text') || ''
+    return transcribed_text if transcribed_text.present?
+
+    temp_file_path = fetch_audio_file
+    transcribed_text = nil
+
+    File.open(temp_file_path, 'rb') do |file|
+      response = @client.audio.transcribe(
+        parameters: {
+          model: WHISPER_MODEL,
+          file: file,
+          temperature: 0.4
+        }
+      )
+      transcribed_text = response['text']
+    end
+
+    update_transcription(transcribed_text)
+    transcribed_text
+  ensure
+    FileUtils.rm_f(temp_file_path) if temp_file_path.present?
+  end
+
+  def instrumentation_params(file_path)
+    {
+      span_name: 'llm.messages.audio_transcription',
+      model: WHISPER_MODEL,
+      account_id: account&.id,
+      feature_name: 'audio_transcription',
+      file_path: file_path
+    }
+  end
+
+  def update_transcription(transcribed_text)
+    return if transcribed_text.blank?
+
+    attachment.update!(meta: { transcribed_text: transcribed_text })
+    message.reload.send_update_event
+    message.account.increment_response_usage
+
+    return unless ChatwootApp.advanced_search_allowed?
+
+    message.reindex
+  end
+
+  def extension_from_content_type(content_type)
+    subtype = content_type.to_s.downcase.split(';').first.to_s.split('/').last.to_s
+    return if subtype.blank?
+
+    {
+      'x-m4a' => 'm4a',
+      'x-wav' => 'wav',
+      'x-mp3' => 'mp3'
+    }.fetch(subtype, subtype)
+  end
+end

research/chatwoot/enterprise/app/services/messages/reindex_service.rb

@@ -0,0 +1,15 @@
+class Messages::ReindexService
+  pattr_initialize [:account!]
+
+  def perform
+    return unless ChatwootApp.advanced_search_allowed?
+
+    reindex_messages
+  end
+
+  private
+
+  def reindex_messages
+    account.messages.reindex(mode: :async)
+  end
+end