# 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 FilesController < ApplicationController
  layout 'base_projects'#by young
  menu_item :files

  before_filter :find_project_by_project_id#, :except => [:getattachtype]
  before_filter :authorize, :except => [:getattachtype]

  helper :sort
  include SortHelper
  helper :project_score

  def show_attachments obj
    all_attachments = []
    obj.each do |container|
      all_attachments += container.attachments
    end
    @limit = 10
    @feedback_count = all_attachments.count
    @feedback_pages = Paginator.new @feedback_count, @limit, params['page']
    @offset ||= @feedback_pages.offset
    @curse_attachments = all_attachments[@offset, @limit]
  end

  def index
    #sort_init 'filename', 'asc'
    sort_init 'created_on', 'desc' 
    sort_update   'created_on' => "#{Attachment.table_name}.created_on", 
                  'filename' => "#{Attachment.table_name}.filename",
                  'size' => "#{Attachment.table_name}.filesize",
                  'downloads' => "#{Attachment.table_name}.downloads"
    sort = ""

    if params[:project_id]
      @isproject = true

      if params[:sort]
        params[:sort].split(",").each do |sort_type|
          order_by = sort_type.split(":")

          case order_by[0]
            when "filename"
              attribute = "filename"
            when "size"
              attribute = "filesize"
            when "attach_type"
              attribute = "attachtype"
            when "content_type"
              attribute = "created_on"
            when "field_file_dense"
              attribute = "is_public"
            when "downloads"
              attribute = "downloads"
            when "created_on"
              attribute = "created_on"
          end

          if order_by.count == 1
            sort += "#{Attachment.table_name}.#{attribute} asc "
          elsif order_by.count == 2
            sort += "#{Attachment.table_name}.#{attribute} #{order_by[1]} "
          end
          if sort_type != params[:sort].split(",").last
            sort += ","
          end
        end
      end

      @containers = [ Project.includes(:attachments).reorder(sort).find(@project.id)]
      @containers += @project.versions.includes(:attachments).reorder(sort).all

      show_attachments @containers

      render :layout => !request.xhr?
    elsif params[:course_id]
      @isproject = false

      if params[:sort]
        params[:sort].split(",").each do |sort_type|
          order_by = sort_type.split(":")

          case order_by[0]
            when "filename"
              attribute = "filename"
            when "size"
              attribute = "filesize"
            when "attach_type"
              attribute = "attachtype"
            when "content_type"
              attribute = "created_on"
            when "field_file_dense"
              attribute = "is_public"
            when "downloads"
              attribute = "downloads"
            when "created_on"
              attribute = "created_on"
          end

          if order_by.count == 1
            sort += "#{Attachment.table_name}.#{attribute} asc "
          elsif order_by.count == 2
            sort += "#{Attachment.table_name}.#{attribute} #{order_by[1]} "
          end
          if sort_type != params[:sort].split(",").last
            sort += ","
          end
        end
      end
      @containers = [ Course.includes(:attachments).reorder(sort).find(@course.id)]

      show_attachments @containers

      render :layout => 'base_courses'
    end

  end

  def new
    @versions = @project.versions.sort
    @course_tag = @project.project_type
    if @project.project_type == 1
      render :layout => 'base_courses'
    end
  end

  def create
   if params[:add_tag]
     @addTag=true
     #render :back
      tag_saveEx
      #render :text =>"success"
      respond_to do |format|
       format.js
     end
   else
     #modify by nwb
     if @project
       @addTag=false
       container = (params[:version_id].blank? ? @project : @project.versions.find_by_id(params[:version_id]))
       attachments = Attachment.attach_filesex(container, params[:attachments], params[:attachment_type])
       render_attachment_warning_if_needed(container)

       if !attachments.empty? && !attachments[:files].blank? && Setting.notified_events.include?('file_added')
         Mailer.attachments_added(attachments[:files]).deliver
       end

       # TODO: 临时用 nyan
       sort_init 'created_on', 'desc'
       sort_update 'created_on' => "#{Attachment.table_name}.created_on",
                   'filename' => "#{Attachment.table_name}.filename",
                   'size' => "#{Attachment.table_name}.filesize",
                   'downloads' => "#{Attachment.table_name}.downloads"

       @containers = [Project.includes(:attachments).reorder("#{Attachment.table_name}.created_on DESC").find(@project.id)] #modify by Long Jun
       @containers += @project.versions.includes(:attachments).reorder("#{Attachment.table_name}.created_on DESC").all.sort

       show_attachments @containers

       @attachtype = 0
       @contenttype = 0

       respond_to do |format|
         format.js
         format.html {
           redirect_to project_files_url(@project)
         }
       end
     elsif @course
       @addTag=false
       attachments = Attachment.attach_filesex(@course, params[:attachments], params[:attachment_type])

       if !attachments.empty? && !attachments[:files].blank? && Setting.notified_events.include?('file_added')
         Mailer.attachments_added(attachments[:files]).deliver
       end

       # TODO: 临时用 nyan
       sort_init 'created_on', 'desc'
       sort_update 'created_on' => "#{Attachment.table_name}.created_on",
                   'filename' => "#{Attachment.table_name}.filename",
                   'size' => "#{Attachment.table_name}.filesize",
                   'downloads' => "#{Attachment.table_name}.downloads"

       @containers = [Course.includes(:attachments).reorder("#{Attachment.table_name}.created_on DESC").find(@course.id)]

       show_attachments @containers

       @attachtype = 0
       @contenttype = 0

       respond_to do |format|
         format.js
         format.html {
           redirect_to course_files_url(@course)
         }
       end
     end

   end
  end

  def tag_saveEx
    @tags = params[:tag_name][:name]
    @obj_id = params[:object_id]
    @obj_flag = params[:object_flag]

    case @obj_flag
      when '1' then
        @obj = User.find_by_id(@obj_id)
      when '2' then
        @obj = Project.find_by_id(@obj_id)
      when '3' then
        @obj = Issue.find_by_id(@obj_id)
      when '4' then
        @obj = Bid.find_by_id(@obj_id)
      when '5' then
        @obj = Forum.find_by_id(@obj_id)
      when '6'
        @obj = Attachment.find_by_id(@obj_id)
      when '7' then
        @obj = Contest.find_by_id(@obj_id)
      when '8'
        @obj = OpenSourceProject.find_by_id(@obj_id)
      when '9'
        @obj = Course.find_by_id(@obj_id)
      else
        @obj = nil
    end
    unless @obj.nil?
      @obj.tag_list.add(@tags.split(","))
    else
      return
    end
    if @obj.save
      ## 执行成功的操作。
    else
      #捕获异常
    end
   end

  # 返回指定资源类型的资源列表
  # added by nwb
  def getattachtype
    sort_init 'created_on', 'desc' 
    sort_update   'created_on' => "#{Attachment.table_name}.created_on", 
                  'filename' => "#{Attachment.table_name}.filename",
                  'size' => "#{Attachment.table_name}.filesize",
                  'downloads' => "#{Attachment.table_name}.downloads"

   if @project
     @containers = [ Project.includes(:attachments).reorder("#{Attachment.table_name}.created_on DESC").find(@project.id)]
     @containers += @project.versions.includes(:attachments).reorder("#{Attachment.table_name}.created_on DESC").all.sort
    elsif @course
     @containers = [ Course.includes(:attachments).reorder("#{Attachment.table_name}.created_on DESC").find(@course.id)]
   end
    show_attachments @containers

    @attachtype = params[:type].to_i
    @contenttype = params[:contentType].to_s

    respond_to do |format|
      format.js
    end
  end
end