# -*- encoding : utf-8 -*-
# This file is part of Wiki UFC.
# Copyright (C) 2007-2015 by Álinson Xavier <isoron@gmail.com>
# Copyright (C) 2007-2008 by Adriano Freitas <adrianoblue@gmail.com>
# Copyright (C) 2007-2008 by André Castro <aisushin@gmail.com>
# Copyright (C) 2007-2008 by Rafael Barbosa <86.rafael@gmail.com>
# Copyright (C) 2007-2008 by Henrique Bustamante <bustamante.rique@gmail.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

class LogController < ApplicationController
  before_filter :require_login, only: [:undo]
  before_filter :find_course, only: [:index]

  def index
    if @course
      @log_entries = @course.log_entries.paginate(page: params[:page],
                                                  per_page: 30,
                                                  order: "created_at desc")
    else
      @log_entries = LogEntry.paginate(page: params[:page], per_page: 30,
                                       conditions: ["course_id not in (select id from courses where hidden = ?)", true],
                                       order: "created_at desc")
    end

    respond_to do |format|
      format.html
      format.rss { response.content_type = Mime::RSS }
      format.xml { render xml: @log_entries }
    end
  end

  def undo
    @log_entry = LogEntry.find(params[:id])
    @log_entry.undo!(@current_user)

    respond_to do |format|
      format.html do
        redirect_to course_event_url(@log_entry.course, @log_entry.target_id) if @log_entry.is_a?(EventDeleteLogEntry)
        redirect_to course_attachment_url(@log_entry.course, @log_entry.target_id) if @log_entry.is_a?(AttachmentDeleteLogEntry)
        redirect_to course_news_instance_url(@log_entry.course, @log_entry.target_id) if @log_entry.is_a?(NewsDeleteLogEntry)
        redirect_to course_wiki_instance_url(@log_entry.course, @log_entry.target_id) if @log_entry.is_a?(WikiDeleteLogEntry)
      end
    end
  end

  protected

  def find_course
    if params[:course_id]
      @course = Course.from_param(params[:course_id])
    end
  end
end