# Redmine - project management software
# Copyright (C) 2006-2013  Jean-Philippe Lang
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

class ActivitiesController < ApplicationController
  menu_item :activity
  before_filter :find_optional_project, :index
  accept_rss_auth :index
  helper :Watchers

  def index
    @days = Setting.activity_days_default.to_i

    if params[:from]
      begin; @date_to = params[:from].to_date + 1; rescue; end
    end
      
    has = {
      "show_issues" => true
    }
    @date_to ||= Date.today + 1
    @date_from = @date_to - @days
    @with_subprojects = params[:with_subprojects].nil? ? Setting.display_subprojects_issues? : (params[:with_subprojects] == '1')
    @author = (params[:user_id].blank? ? nil : User.active.find(params[:user_id]))
# 决定显示所用用户或单个用户活动
    @activity = Redmine::Activity::Fetcher.new(User.current, :project => @project,
                                                             :with_subprojects => @with_subprojects,
                                                             :author => @author)
    @activity.scope_select {|t| !has["show_#{t}"].nil?}
    #@activity.scope = (@author.nil? ? :default : :all) if @activity.scope.empty?

    events = @activity.events(@date_from, @date_to)
    # Added by Nie.
    @offset, @limit = api_offset_and_limit({:limit => 10})
    @activity_count = events.size
    @activity_pages = Paginator.new @activity_count, @limit, params['page']
    @offset ||= @activity_pages.offset 
    
    @project_base_tag = params[:id] ? 'base_projects' : 'base'
    if events.empty? || stale?(:etag => [@activity.scope, @date_to, @date_from, @with_subprojects, @author, events.first, events.size, User.current, current_language])
      respond_to do |format|
        format.html {
          @events_by_day_ = events.slice(@offset,@limit)
          @events_by_day = @events_by_day_.group_by {|event| User.current.time_to_date(event.event_datetime)}
    #by young     render :layout => false if request.xhr?
          render :layout => @project_base_tag
        }
        format.atom {
          title = l(:label_activity)
          if @author
            title = @author.name
          elsif @activity.scope.size == 1
            title = l("label_#{@activity.scope.first.singularize}_plural")
          end
          render_feed(events, :title => "#{@project || Setting.app_title}: #{title}")
        }
      end
    end

  rescue ActiveRecord::RecordNotFound
    render_404
  end

  private

  # TODO: refactor, duplicated in projects_controller
  def find_optional_project
    return true unless params[:id]
    @project = Project.find(params[:id])
    authorize
  rescue ActiveRecord::RecordNotFound
    render_404
  end
end