forgeplus/app/controllers/api/v1/projects/pulls/journals_controller.rb

class Api::V1::Projects::Pulls::JournalsController < Api::V1::Projects::Pulls::BaseController 

  def index
    @journals = Api::V1::Projects::Pulls::Journals::ListService.call(@project, @pull_request, params, current_user)
    @journals = @journals.limit(200)
  end

  def create 
    @journal = Api::V1::Projects::Pulls::Journals::CreateService.call(@project, @pull_request, create_params, current_user)
  end

  before_action :find_journal, only: [:update, :destroy]

  def update 
    @journal = Api::V1::Projects::Pulls::Journals::UpdateService.call(@project, @pull_request, @journal, update_params, current_user)
  end

  def destroy 
    if @journal.destroy 
      render_ok
    else 
      render_error("删除评论失败！")
    end
  end

  private 
  def create_params 
    params.permit(:parent_id, :line_code, :note, :commit_id, :path, :type, :review_id, :diff => {})
  end

  def update_params 
    params.permit(:note, :commit_id, :state)
  end

  def find_journal
    @journal = @pull_request.journals.find_by_id(params[:id])
    return render_not_found unless @journal.present?
  end
  
end