forgeplus/app/controllers/api/v1/issues/journals_controller.rb

class Api::V1::Issues::JournalsController < Api::V1::IssuesController

  before_action :require_public_and_member_above, only: [:index, :create, :children_journals, :update, :destroy]
  before_action :load_issue, only: [:index, :create, :children_journals, :update, :destroy]
  before_action :load_journal, only: [:children_journals, :update, :destroy]

  def index 
    @object_results = Api::V1::Issues::Journals::ListService.call(@issue, query_params, current_user)
    @journals = kaminari_paginate(@object_results)
  end

  def create 
    @object_result = Api::V1::Issues::Journals::CreateService.call(@issue, journal_params, current_user)
  end

  def children_journals 
    @object_results = Api::V1::Issues::Journals::ChildrenListService.call(@issue, @journal, query_params, current_user)
    @journals = kaminari_paginate(@object_results)
  end

  def update
    @object_result = Api::V1::Issues::Journals::UpdateService.call(@issue, @journal, journal_params, current_user)
  end

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

  private

  def query_params
    params.permit(:category, :keyword, :sort_by, :sort_direction)
  end

  def journal_params 
    params.permit(:notes, :parent_id, :reply_id, :attachment_ids => [])
  end

  def load_journal
    @journal = Journal.find_by_id(params[:id])
    return render_not_found("评论不存在！") unless @journal.present?
  end

end