Restructure omni services and add Chatwoot research snapshot

research/chatwoot/app/controllers/api/v1/accounts/conversations/assignments_controller.rb

@@ -0,0 +1,45 @@
+class Api::V1::Accounts::Conversations::AssignmentsController < Api::V1::Accounts::Conversations::BaseController
+  # assigns agent/team to a conversation
+  def create
+    if params.key?(:assignee_id) || agent_bot_assignment?
+      set_agent
+    elsif params.key?(:team_id)
+      set_team
+    else
+      render json: nil
+    end
+  end
+
+  private
+
+  def set_agent
+    resource = Conversations::AssignmentService.new(
+      conversation: @conversation,
+      assignee_id: params[:assignee_id],
+      assignee_type: params[:assignee_type]
+    ).perform
+
+    render_agent(resource)
+  end
+
+  def render_agent(resource)
+    case resource
+    when User
+      render partial: 'api/v1/models/agent', formats: [:json], locals: { resource: resource }
+    when AgentBot
+      render partial: 'api/v1/models/agent_bot_slim', formats: [:json], locals: { resource: resource }
+    else
+      render json: nil
+    end
+  end
+
+  def set_team
+    @team = Current.account.teams.find_by(id: params[:team_id])
+    @conversation.update!(team: @team)
+    render json: @team
+  end
+
+  def agent_bot_assignment?
+    params[:assignee_type].to_s == 'AgentBot'
+  end
+end

research/chatwoot/app/controllers/api/v1/accounts/conversations/base_controller.rb

@@ -0,0 +1,10 @@
+class Api::V1::Accounts::Conversations::BaseController < Api::V1::Accounts::BaseController
+  before_action :conversation
+
+  private
+
+  def conversation
+    @conversation ||= Current.account.conversations.find_by!(display_id: params[:conversation_id])
+    authorize @conversation, :show?
+  end
+end

research/chatwoot/app/controllers/api/v1/accounts/conversations/direct_uploads_controller.rb

@@ -0,0 +1,17 @@
+class Api::V1::Accounts::Conversations::DirectUploadsController < ActiveStorage::DirectUploadsController
+  include EnsureCurrentAccountHelper
+  before_action :current_account
+  before_action :conversation
+
+  def create
+    return if @conversation.nil? || @current_account.nil?
+
+    super
+  end
+
+  private
+
+  def conversation
+    @conversation ||= Current.account.conversations.find_by(display_id: params[:conversation_id])
+  end
+end

research/chatwoot/app/controllers/api/v1/accounts/conversations/draft_messages_controller.rb

@@ -0,0 +1,28 @@
+class Api::V1::Accounts::Conversations::DraftMessagesController < Api::V1::Accounts::Conversations::BaseController
+  def show
+    render json: { has_draft: false } and return unless Redis::Alfred.exists?(draft_redis_key)
+
+    draft_message = Redis::Alfred.get(draft_redis_key)
+    render json: { has_draft: true, message: draft_message }
+  end
+
+  def update
+    Redis::Alfred.set(draft_redis_key, draft_message_params)
+    head :ok
+  end
+
+  def destroy
+    Redis::Alfred.delete(draft_redis_key)
+    head :ok
+  end
+
+  private
+
+  def draft_redis_key
+    format(Redis::Alfred::CONVERSATION_DRAFT_MESSAGE, id: @conversation.id)
+  end
+
+  def draft_message_params
+    params.dig(:draft_message, :message) || ''
+  end
+end

research/chatwoot/app/controllers/api/v1/accounts/conversations/labels_controller.rb

@@ -0,0 +1,13 @@
+class Api::V1::Accounts::Conversations::LabelsController < Api::V1::Accounts::Conversations::BaseController
+  include LabelConcern
+
+  private
+
+  def model
+    @model ||= @conversation
+  end
+
+  def permitted_params
+    params.permit(:conversation_id, labels: [])
+  end
+end

research/chatwoot/app/controllers/api/v1/accounts/conversations/messages_controller.rb

@@ -0,0 +1,80 @@
+class Api::V1::Accounts::Conversations::MessagesController < Api::V1::Accounts::Conversations::BaseController
+  before_action :ensure_api_inbox, only: :update
+
+  def index
+    @messages = message_finder.perform
+  end
+
+  def create
+    user = Current.user || @resource
+    mb = Messages::MessageBuilder.new(user, @conversation, params)
+    @message = mb.perform
+  rescue StandardError => e
+    render_could_not_create_error(e.message)
+  end
+
+  def update
+    Messages::StatusUpdateService.new(message, permitted_params[:status], permitted_params[:external_error]).perform
+    @message = message
+  end
+
+  def destroy
+    ActiveRecord::Base.transaction do
+      message.update!(content: I18n.t('conversations.messages.deleted'), content_type: :text, content_attributes: { deleted: true })
+      message.attachments.destroy_all
+    end
+  end
+
+  def retry
+    return if message.blank?
+
+    service = Messages::StatusUpdateService.new(message, 'sent')
+    service.perform
+    message.update!(content_attributes: {})
+    ::SendReplyJob.perform_later(message.id)
+  rescue StandardError => e
+    render_could_not_create_error(e.message)
+  end
+
+  def translate
+    return head :ok if already_translated_content_available?
+
+    translated_content = Integrations::GoogleTranslate::ProcessorService.new(
+      message: message,
+      target_language: permitted_params[:target_language]
+    ).perform
+
+    if translated_content.present?
+      translations = {}
+      translations[permitted_params[:target_language]] = translated_content
+      translations = message.translations.merge!(translations) if message.translations.present?
+      message.update!(translations: translations)
+    end
+
+    render json: { content: translated_content }
+  end
+
+  private
+
+  def message
+    @message ||= @conversation.messages.find(permitted_params[:id])
+  end
+
+  def message_finder
+    @message_finder ||= MessageFinder.new(@conversation, params)
+  end
+
+  def permitted_params
+    params.permit(:id, :target_language, :status, :external_error)
+  end
+
+  def already_translated_content_available?
+    message.translations.present? && message.translations[permitted_params[:target_language]].present?
+  end
+
+  # API inbox check
+  def ensure_api_inbox
+    # Only API inboxes can update messages
+    render json: { error: 'Message status update is only allowed for API inboxes' }, status: :forbidden unless @conversation.inbox.api?
+  end
+end

research/chatwoot/app/controllers/api/v1/accounts/conversations/participants_controller.rb

@@ -0,0 +1,41 @@
+class Api::V1::Accounts::Conversations::ParticipantsController < Api::V1::Accounts::Conversations::BaseController
+  def show
+    @participants = @conversation.conversation_participants
+  end
+
+  def create
+    ActiveRecord::Base.transaction do
+      @participants = participants_to_be_added_ids.map { |user_id| @conversation.conversation_participants.find_or_create_by(user_id: user_id) }
+    end
+  end
+
+  def update
+    ActiveRecord::Base.transaction do
+      participants_to_be_added_ids.each { |user_id| @conversation.conversation_participants.find_or_create_by(user_id: user_id) }
+      participants_to_be_removed_ids.each { |user_id| @conversation.conversation_participants.find_by(user_id: user_id)&.destroy }
+    end
+    @participants = @conversation.conversation_participants
+    render action: 'show'
+  end
+
+  def destroy
+    ActiveRecord::Base.transaction do
+      params[:user_ids].map { |user_id| @conversation.conversation_participants.find_by(user_id: user_id)&.destroy }
+    end
+    head :ok
+  end
+
+  private
+
+  def participants_to_be_added_ids
+    params[:user_ids] - current_participant_ids
+  end
+
+  def participants_to_be_removed_ids
+    current_participant_ids - params[:user_ids]
+  end
+
+  def current_participant_ids
+    @current_participant_ids ||= @conversation.conversation_participants.pluck(:user_id)
+  end
+end