diff --git a/app/controllers/contributions_controller.rb b/app/controllers/contributions_controller.rb
index dd1d17dad..cf68e2a9c 100644
--- a/app/controllers/contributions_controller.rb
+++ b/app/controllers/contributions_controller.rb
@@ -1,839 +1,26 @@
 # encoding=utf-8
-# 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.
-
-require 'SVG/Graph/Bar'
-require 'SVG/Graph/BarHorizontal'
-require 'digest/sha1'
-require 'redmine/scm/adapters/abstract_adapter'
-require 'tempfile'
-require 'json'
-require 'open-uri'
-
-class ChangesetNotFound < Exception; end
-class InvalidRevisionParam < Exception; end
 
 class ContributionsController < ApplicationController
-  include ApplicationHelper
-  menu_item :contribution
-  menu_item :settings, :only => [:new, :create, :edit, :update, :destroy, :committers]
-  default_search_scope :changesets
-
-  before_filter :find_project_by_project_id, :only => [:new, :create, :newrepo, :stats, :quality_analysis]
-  before_filter :find_repository, :only => [:edit, :update, :destroy, :committers]
-
   before_filter :find_project_repository, :except => [:new, :create, :newcreate, :edit, :update, :destroy, :committers, :newrepo, :to_gitlab, :forked, :export_rep_static, :training_project_extend]
-  # 连接gitlab
-  # before_filter :connect_gitlab, :only => [:quality_analysis, :commit_diff]
 
-  before_filter :find_changeset, :only => [:revision, :add_related_issue, :remove_related_issue]
-  # before_filter :authorize , :except => [:newrepo,:newcreate,:fork, :to_gitlab, :forked, :project_archive, :quality_analysis, :commit_diff]
-  before_filter :authorize_visible , :except => [:newrepo,:newcreate,:fork, :to_gitlab, :forked, :project_archive, :quality_analysis, :commit_diff]
-  # 版本库新增权限
-  # before_filter :show_rep, :only => [:show, :stats, :revisions, :revision, :diff, :commit_diff ]
-  accept_rss_auth :revisions
-  # hidden repositories filter // 隐藏代码过滤器
-  # before_filter :check_hidden_repo, :only => [:stats, :revisions, :revision, :diff ]
-  helper :repositories
-  include RepositoriesHelper
-  helper :project_score
-  require 'ostruct'
-  #@root_path = RepositoriesHelper::ROOT_PATH
-  # require 'net/ssh'
-
-  rescue_from Redmine::Scm::Adapters::CommandFailed, :with => :show_error_command_failed
-  def new
-    if @project.repositories.count == 0
-      scm = params[:repository_scm] || (Redmine::Scm::Base.all & Setting.enabled_scm).first
-      @repository = Repository.factory(scm)
-      @repository.is_default = @project.repository.nil?
-      @repository.project = @project
-      @course_tag = params[:course]
-      if @course_tag == 1
-        render :layout => 'base_courses'
-      else
-        render :layout => 'base_projects'
-      end
-    else
-      render_403
-    end
-
-  end
-
-  def export_rep_static
-    # 管理员界面导出所有项目
-    @project = Project.find(params[:id])
-    gpid = @project.gpid
-    rev = params[:rev]
-    cycle = params[:cycle]
-    respond_to do |format|
-      format.html
-      format.xls{
-        filename = "#{@project.name.to_s}_#{l(:label_rep_xls)}.xls"
-        send_data(export_rep_xls(gpid, :rev => rev, :cycle => cycle), :type => 'application/octet-stream', :filename => filename_for_content_disposition(filename))
-      }
-    end
-  end
-
-  def forked
-    @project = Project.find(params[:id])
-    @repository = Repository.where("project_id =? and type =?", @project.id, "Repository::Gitlab")
-    # 如果当前用户已经fork过该项目，不会新fork项目，则跳至已fork的项
-    unless has_forked?(@project, User.current)
-      project = project_from_current_project(@project.id, User.current.id)
-      redirect_to project_path(project)
-    else
-      # 自己不能fork自己的项目
-      if User.current.id == @project.user_id
-        flash[:notice] = l(:project_gitlab_fork_own)
-        redirect_to repository_url(@repository)
-      else
-        g = Gitlab.client
-        if User.current.gid.nil?
-          begin
-            s = Trustie::Gitlab::Sync.new
-            s.sync_user(User.current)
-          ensure
-            logger.error "Synv user failed ==>#{User.current.id}"
-          end
-        end
-        gproject = g.fork(@project.gpid, User.current.gid)
-        if gproject
-          copy_project(@project, gproject)
-          forked_count = @project.forked_count.to_i + 1
-          @project.update_attributes(:forked_count => forked_count)
-        end
-      end
-    end
-  end
-
-  # 一键ZIP下载
-  def project_archive
-    token = Gitlab.private_token
-    token = aes_encrypt(token, "abcd")
-    # g = Gitlab.client
-    # g.project_archive(@project.gpid, @rev)
-    # 'git archive --format zip --output /path/to/file.zip master' # 将 master 以zip格式打包到指定文件
-    #
-    # zip_path = Gitlab.endpoint.to_s + "/projects/" + @project.gpid.to_s + "/repository/archive?&private_token=" + Gitlab.private_token
-    # f = open(zip_path).read
-    # send_file "/path/to/file.zip"
-  end
-
-  # 开启实训项目,学生会fork一个项目并自动发送任务
-  def training_project_extend
-    @project = Project.find(params[:id])
-    @repository = Repository.where("project_id =? and type =?", @project.id, "Repository::Gitlab")
-    # 如果当前用户已经fork过该项目，不会新fork项目，则跳至已fork的项
-    unless has_forked?(@project, User.current)
-      project = project_from_current_project(@project.id, User.current.id)
-      redirect_to project_path(project)
-    else
-      ActiveRecord::Base.transaction do
-        g = Gitlab.client
-        if User.current.gid.nil?
-          begin
-            s = Trustie::Gitlab::Sync.new
-            s.sync_user(User.current)
-          ensure
-            logger.error "Syn user failed ==>#{User.current.id}"
-          end
-        end
-        gproject = g.fork(@project.gpid, User.current.gid)
-        if gproject
-          new_training_project = copu_project_and_module(@project, gproject)
-          forked_count = @project.forked_count.to_i + 1
-          @project.update_attributes(:forked_count => forked_count)
-          # 发布实训任务，只发布实训任务的第一个
-          publish_training_tasks(@project, new_training_project)
-        end
-      end
-    end
-  end
-
-  def copu_project_and_module tproject, gproject
-    project = Project.new
-    project.name = tproject.name
-    project.is_public = tproject.is_public
-    project.status = tproject.status
-    project.description = tproject.description
-    project.hidden_repo = tproject.hidden_repo
-    project.user_id = User.current.id
-    project.project_type = 0
-    project.project_new_type = tproject.project_new_type
-    project.gpid = gproject.id
-    project.forked_from_project_id = tproject.id
-    project.enabled_module_names = tproject.enabled_module_names
-    if project.save
-      project.update_attribute(:training_status,1)
-      r = Role.givable.find_by_id(Setting.new_project_user_role_id.to_i) || Role.givable.first
-      m = Member.new(:user => User.current, :roles => [r])
-      if ProjectScore.where("project_id=?", project.id).first.nil?
-        ProjectScore.create(:project_id => project.id, :score => false)
-      end
-      project_info = ProjectInfo.new(:user_id => User.current.id, :project_id => project.id)
-      user_grades =  UserGrade.create(:user_id => User.current.id, :project_id => project.id)
-      Rails.logger.debug "UserGrade created: #{user_grades.to_json}"
-      project_status = ProjectStatus.create(:project_id => @project.id, :watchers_count => 0, :changesets_count => 0, :project_type => @project.project_type,:grade => 0)
-      Rails.logger.debug "ProjectStatus created: #{project_status.to_json}"
-      project.members << m
-      project.project_infos << project_info
-      copy_repository(project, gproject)
-      return project
-    else
-      respond_to do |format|
-        format.html { render :action => 'forked', :layout => 'base_projects'}
-        format.api  { render_validation_errors(@project) }
-      end
-    end
-  end
-
-  # REDO: 如果实训项目还没有创建任务的时候应该跳出
-  def publish_training_tasks original_project, new_training_project
-    original_task = TrainingTask.where(:project_id => original_project.id, :position => 1).first
-    training_task = TrainingTask.new
-    training_task.save_attachments(params[:attachments] || (params[:training_task] && params[:training_task][:uploads]))
-    training_task.subject = original_task.subject
-    training_task.description = original_task.description
-    training_task.position = original_task.position
-    training_task.project_id = new_training_project.id
-    training_task.author_id = User.current.id
-    if training_task.save
-      respond_to do |format|
-        format.html{redirect_to project_training_tasks_url(:project_id => new_training_project.id)}
-      end
-    else
-      raise "create task failed"
-    end
-  end
-
-
-  # 判断用户是否已经fork过该项目
-  def has_forked?(project, user)
-    projects = Project.where("user_id =?", user)
-    projects.map(&:forked_from_project_id).detect{|s| s == @project.id}.nil? ? true : false
-  end
-
-  # 获取当前用户fork过的项目
-  def project_from_current_project(project, user)
-    project = Project.where("user_id =? and forked_from_project_id =?",user, project).first
-  end
-
-  # copy a project for fork
-  def copy_project(tproject, gproject)
-    project = Project.new
-    project.name = tproject.name
-    project.is_public = tproject.is_public
-    project.status = tproject.status
-    project.description = tproject.description
-    project.hidden_repo = tproject.hidden_repo
-    project.user_id = User.current.id
-    project.project_type = 0
-    project.project_new_type = tproject.project_new_type
-    project.gpid = gproject.id
-    project.forked_from_project_id = tproject.id
-    if project.save
-      r = Role.givable.find_by_id(Setting.new_project_user_role_id.to_i) || Role.givable.first
-      m = Member.new(:user => User.current, :roles => [r])
-      if ProjectScore.where("project_id=?", project.id).first.nil?
-        ProjectScore.create(:project_id => project.id, :score => false)
-      end
-      project_info = ProjectInfo.new(:user_id => User.current.id, :project_id => project.id)
-      user_grades =  UserGrade.create(:user_id => User.current.id, :project_id => project.id)
-      Rails.logger.debug "UserGrade created: #{user_grades.to_json}"
-      project_status = ProjectStatus.create(:project_id => @project.id, :watchers_count => 0, :changesets_count => 0, :project_type => @project.project_type,:grade => 0)
-      Rails.logger.debug "ProjectStatus created: #{project_status.to_json}"
-      project.members << m
-      project.project_infos << project_info
-      copy_repository(project, gproject)
-      respond_to do |format|
-        format.html {
-          flash[:notice] = l(:notice_successful_create)
-          if params[:continue]
-            attrs = {:parent_id => project.parent_id}.reject {|k,v| v.nil?}
-            redirect_to new_project_url(attrs, :course => '0')
-          else
-            redirect_to project_path(project)
-          end
-        }
-        format.api  { render :action => 'show', :status => :created, :location => url_for(:controller => 'projects', :action => 'show', :id => project.id) }
-        format.js
-      end
-      return project
-    else
-      respond_to do |format|
-        format.html { render :action => 'forked', :layout => 'base_projects'}
-        format.api  { render_validation_errors(@project) }
-      end
-    end
-  end
-
-  def copy_repository(project, gproject)
-    # 避免
-    # if is_sigle_identifier?(project.user_id, gproject.name)
-    repository = Repository.factory('Git')
-    repository.project_id = project.id
-    repository.type = 'Repository::Gitlab'
-    repository.url = gproject.name
-    repository.identifier = gproject.name
-    repository = repository.save
-    # else
-    #   flash[:notice] = l(:project_gitlab_create_double_message)
-    # end
-  end
-
-  def newrepo
-    scm = params[:repository_scm] || (Redmine::Scm::Base.all & Setting.enabled_scm).first
-    @repository = Repository.factory(scm)
-    @repository.is_default = @project.repository.nil?
-    @repository.project = @project
-    @course_tag = params[:course]
-    if @course_tag == 1
-      render :layout => 'base_courses'
-    else
-      render :layout => 'base_projects'
-    end
-  end
-
-  def fork
-    @repository_url = params[:repository_url]
-
-    # @repository.url
-    # system "htpasswd -mb "+@root_path+"user.passwd "+params[:repository][:identifier]+" "+@upasswd
-    # system "echo -e '"+params[:project_id]+"-"+params[:repository][:identifier]+"-write:"+
-    # " "+params[:repository][:identifier]+"'  >> "+@root_path+"group.passwd"
-    system "git clone --bare "+@repository_url
-    # system "mv "+@project_path+"/hooks/post-update{.sample,}"
-    # system "chmod a+x "+@project_path+"/hooks/post-update"
-    # system "."+@project_path+"/hooks/post-update"
-    # system "echo -e 'Allow from all \n Order Deny,Allow \n "+
-    # "<Limit PUT POST DELETE PROPPATCH MKCOL COPY MOVE LOCK UNLOCK> \n"+
-    # "Require group "+params[:project_id]+"-"+params[:repository][:identifier]+"-write  \n "+
-    # "</Limit> \n ' >>"+
-    # @project_path+"/.htaccess"
-    flash[:notice] = l(:label_notice_fork_successed)
-    @repositories = @project.repositories
-    render :action => 'show', :layout => 'base_projects'
-  end
-
-
-  HOOK_TEMPLATE = %Q{#!/bin/sh
-exec sh -c '
-function update()
-{
-        CMD_PATH=`dirname $0`;
-        cd $CMD_PATH;
-        PY_PATH=$PWD/../../git_refresh_changes.py;
-        [[ -s "$PY_PATH"   ]] && $(which python) $PY_PATH $PWD;
-        cd -;
-}
-git update-server-info
-update
-'
-  }
-
-  def create
-    # 判断版本库创建者是否有同名版本库，避免版本库路径一致问题
-    unless is_sigle_identifier?(@project.user_id, params[:repository].first[1])
-      flash[:notice] = l(:project_gitlab_create_double_message)
-      redirect_to settings_project_url(@project, :tab => 'repositories')
-    else
-      attrs = pickup_extra_info
-      @repository = Repository.factory('Git')
-      @repository.safe_attributes = params[:repository]
-      if attrs[:attrs_extra].keys.any?
-        @repository.merge_extra_info(attrs[:attrs_extra])
-      end
-      @repository.project = @project
-      @repository.type = 'Repository::Gitlab'
-      @repository.identifier = @repository.identifier.downcase
-      @repository.url = @repository.identifier
-      ActiveRecord::Base.transaction do
-        begin
-          if request.post? && @repository.save!
-            s = Trustie::Gitlab::Sync.new
-            s.create_project(@project, @repository)
-            raise "sync failed" if @project.gpid.blank?
-            redirect_to(:controller => 'repositories', :action => 'show', :id => @project, :repository_id => gitlab_repository(@project).try(:identifier))
-          else
-            redirect_to settings_project_url(@project, :tab => 'repositories',:repository_error_message=>@repository.errors.full_messages)
-          end
-        rescue Exception => e
-          logger.info("create repository  #{e.message}")
-          @repo_error= "666"
-          redirect_to settings_project_url(@project, :tab => 'repositories', :create_error => "版本库创建失败，用户名或版本库名中不允许包含特殊字符")
-          raise ActiveRecord::Rollback
-        end
-      end
-    end
-  end
-
-  def edit
-  end
-
-  def update
-    attrs = pickup_extra_info
-    @repository.safe_attributes = attrs[:attrs]
-    if attrs[:attrs_extra].keys.any?
-      @repository.merge_extra_info(attrs[:attrs_extra])
-    end
-    @repository.project = @project
-    if request.put? && @repository.save
-      redirect_to settings_project_url(@project, :tab => 'repositories')
-    else
-      render :action => 'edit'
-    end
-  end
-
-  def pickup_extra_info
-    p       = {}
-    p_extra = {}
-    params[:repository].each do |k, v|
-      if k =~ /^extra_/
-        p_extra[k] = v
-      else
-        p[k] = v
-      end
-    end
-    {:attrs => p, :attrs_extra => p_extra}
-  end
-  private :pickup_extra_info
-
-  def committers
-    @committers = @repository.committers
-    @users = @project.users
-    additional_user_ids = @committers.collect(&:last).collect(&:to_i) - @users.collect(&:id)
-    @users += User.find_all_by_id(additional_user_ids) unless additional_user_ids.empty?
-    @users.compact!
-    @users.sort!
-    if request.post? && params[:committers].is_a?(Hash)
-      # Build a hash with repository usernames as keys and corresponding user ids as values
-      @repository.committer_ids = params[:committers].values.inject({}) {|h, c| h[c.first] = c.last; h}
-      flash[:notice] = l(:notice_successful_update)
-      respond_to do |format|
-        format.html{
-          render :layout => "base_projects"
-        }
-      end
-    elsif request.get?
-      respond_to do |format|
-        format.html{
-          render :layout => "base_projects"
-        }
-      end
-    end
-  end
-
-  def quality_analysis
-    gitlab_branches = @g.branches(@project.gpid)
-    @branch_names = gitlab_branches.map{|b| b.name}
-    @gitlab_default_branch = @g_project.default_branch
-    # language = params[:language]
-    # branch = params[:branch]
-    # path = params[:path]
-    # user_name = User.find(@project.user_id).try(:login)
-    # rep_name = params[:repository_id]
-    # host = "192.168.0.200"
-    # port = "1125"
-    # username = "git"
-    # password = "123123"
-    # server_cmd1 = "sh gitclone.sh" + " " + user_name + " " + rep_name
-    # # 连接到远程主机 foobar
-    # ssh = Net::SSH.start(host, username, :port => port, :password => password) do |ssh|
-    #   result = ssh.exec!(server_cmd1)
-    #   path = "/home/git/repo/" + user_name + "/" + rep_name
-    #   # sonar 分析
-    #   # server_cmd2
-    #   # 删除clone的版本库
-    #   # server_cmd3
-    # end
-    respond_to do |format|
-      format.js
-      format.html{
-        render :layout => "base_projects"
-      }
-    end
-  end
-
-  def destroy
-    DestroyRepositoryTask.new.destroy(User.current.id, @repository.id)
-    @repository.hidden = true
-    @repository.save
-    redirect_to settings_project_url(@project, :tab => 'repositories')
-  end
-
-  def to_gitlab
-    @project = Project.find(params[:project_id])
-    @repository = Repository.find(params[:id])
-    s = Trustie::Gitlab::Sync.new
-    s.sync_project(@project, path: params[:repo_name], import_url: @repository.url)
-    @repository.type = 'Repository::Gitlab'
-    @repository.save
-    redirect_to :controller => 'repositories', :action => 'show', :id => @project.id, to: 'gitlab'
-  end
-
-  # 权限：
-  # 如果项目隐藏了版本库，则非项目成员及项目报告人员不能够访问版本库
-  # 如果没有隐藏版本库，只要项目公开，其它成员都可以看到版本库
-  # 项目关联了课程，课程的老师是可以看到版本库的
-  # 超级管理员可以看到项目版本库
   def show
-
     Rails.logger.info("!!!!!!!!!!!!! in show function")
-
     # 顶部导航
     @project_menu_type = 12
-
     # TODO: the below will move to filter, done.
     # 获取版本库目录结构
     Rails.logger.info("!!!!! this is to show the value of @path and @rev: ")
     Rails.logger.info(@path)
     Rails.logger.info(@rev)
-
     render :layout => 'base_projects'
   end
 
-  alias_method :browse, :show
-
-  # 获取版本文件目录的
-  def tree_head_message
-
-  end
-
-  # 注：由于考虑到性能所以commits api每次返回20条记录
-  def changes
-    # 顶部导航
-    @project_menu_type = 5
-    @entry = @repository.entry(@path, @rev)
-    (show_error_not_found; return) unless @entry
-    g = Gitlab.client
-    limit = 10
-    # 每次页面的换回值从1开始,但是gitlab的页面查询是从0开始,所以先改变page的类型减一在改回来
-    @commits = g.commits(@project.gpid, page:(params[:page].to_i - 1).to_s, ref_name:@rev)
-    @commits_count =  params[:commit_count].nil? ? @g.user_static(@project.gpid, :rev => @rev).count : params[:commit_count].to_i
-    @commits_pages = Paginator.new @commits_count, limit, params[:page]
-    # @offset ||= @commits_pages.offset
-    # @commits = paginateHelper @commits, limit
-
-    render :layout => 'base_projects'
-  end
-
-
-  def revisions
-    @changeset_count = @repository.changesets.count
-    @changeset_pages = Paginator.new @changeset_count,
-                                     per_page_option,
-                                     params['page']
-    @changesets = @repository.changesets.
-        limit(@changeset_pages.per_page).
-        offset(@changeset_pages.offset).
-        includes(:user, :repository, :parents).
-        all
-
-    respond_to do |format|
-      format.html { render :layout => 'base_projects' }
-      format.atom { render_feed(@changesets, :title => "#{@project.name}: #{l(:label_revision_plural)}") }
-    end
-  end
-
-  def raw
-    entry_and_raw(true)
-  end
-
-  def entry
-    # 顶部导航
-    @project_menu_type = 5
-
-    entry_and_raw(false)
-    @content = @repository.cat(@path, @rev)
-    # @changesets_latest_coimmit = @g.commit(@project.gpid, @entry.try(:lastrev))
-    @changesets_latest_coimmit = @g.commits(@project.gpid, :rev => @rev, :path => @paht).try(:first)
-    # @changesets_latest_coimmit = @g.rep_last_changes(@project.gpid, :rev => @rev, :path => @path)
-    # 总的提交数
-    @changesets_all_count = @g.user_static(@project.gpid, :rev => @rev).count
-    if is_entry_text_data?(@content, @path)
-      render :layout => 'base_projects'
-    end
-  end
-
-  def entry_edit
-    entry_and_raw(false)
-    @content = @repository.cat(@path, @rev)
-    # @changesets_latest_coimmit = @g.commit(@project.gpid, @entry.try(:lastrev))
-    @changesets_latest_coimmit = @g.commits(@project.gpid, :rev => @rev, :path => @paht).try(:first)
-    # 总的提交数
-    @changesets_all_count = @g.user_static(@project.gpid, :rev => @rev).count
-    if is_entry_text_data?(@content, @path)
-      render :layout => 'base_projects'
-    end
-  end
-
-  def entry_update
-    g = Gitlab.client
-    @path = params[:path]
-    @rev = params[:rev]
-    @content = params[:content]
-    code_file = g.edit_file(@project.gpid, :content => params[:content], :file_path => @path, :branch_name => @rev, :commit_message => "...")
-    # if @shixun.try(:status).to_i < 2
-    # shixun_modify_status_without_publish(@shixun, 1)
-    # end
-    respond_to do |format|
-      format.js
-    end
-  end
-
-  def entry_and_raw(is_raw)
-    @entry = @repository.entry(@path, @rev)
-    (show_error_not_found; return) unless @entry
-
-    # If the entry is a dir, show the browser
-    (show; return) if @entry.is_dir?
-
-    @content = @repository.cat(@path, @rev)
-    (show_error_not_found; return) unless @content
-    if is_raw || (@content.size && @content.size > Setting.file_max_size_displayed.to_i.kilobyte) || !is_entry_text_data?(@content, @path)
-      # Force the download
-      send_opt = { :filename => filename_for_content_disposition(@path.split('/').last) }
-      send_type = Redmine::MimeType.of(@path)
-      send_opt[:type] = send_type.to_s if send_type
-      send_opt[:disposition] = (Redmine::MimeType.is_type?('image', @path) && !is_raw ? 'inline' : 'attachment')
-      send_data @content, send_opt
-    else
-      # Prevent empty lines when displaying a file with Windows style eol
-      # TODO: UTF-16
-      # Is this needs? AttachmentsController reads file simply.
-      @content.gsub!("\r\n", "\n")
-      @changeset = @repository.find_changeset_by_name(@rev)
-    end
-  end
-  private :entry_and_raw
-
-  def is_entry_text_data?(ent, path)
-    # UTF-16 contains "\x00".
-    # It is very strict that file contains less than 30% of ascii symbols
-    # in non Western Europe.
-    return true if Redmine::MimeType.is_type?('text', path)
-    # Ruby 1.8.6 has a bug of integer divisions.
-    # http://apidock.com/ruby/v1_8_6_287/String/is_binary_data%3F
-    return false if ent.is_binary_data?
-    true
-  end
-  private :is_entry_text_data?
-
-  def annotate
-    @entry = @repository.entry(@path, @rev)
-    (show_error_not_found; return) unless @entry
-
-    @annotate = @repository.scm.annotate(@path, @rev)
-    if @annotate.nil? || @annotate.empty?
-      (render_error l(:error_scm_annotate); return)
-    end
-    ann_buf_size = 0
-    @annotate.lines.each do |buf|
-      ann_buf_size += buf.size
-    end
-    if ann_buf_size > Setting.file_max_size_displayed.to_i.kilobyte
-      (render_error l(:error_scm_annotate_big_text_file); return)
-    end
-    @changeset = @repository.find_changeset_by_name(@rev)
-  end
-
-  def revision
-    respond_to do |format|
-      format.html{render :layout => 'base_projects'}
-      format.js {render :layout => false}
-    end
-  end
-
-  # Adds a related issue to a changeset
-  # POST /projects/:project_id/repository/(:repository_id/)revisions/:rev/issues
-  def add_related_issue
-    @issue = @changeset.find_referenced_issue_by_id(params[:issue_id])
-    if @issue && (!@issue.visible? || @changeset.issues.include?(@issue))
-      @issue = nil
-    end
-
-    if @issue
-      @changeset.issues << @issue
-    end
-  end
-
-  # Removes a related issue from a changeset
-  # DELETE /projects/:project_id/repository/(:repository_id/)revisions/:rev/issues/:issue_id
-  def remove_related_issue
-    @issue = Issue.visible.find_by_id(params[:issue_id])
-    if @issue
-      @changeset.issues.delete(@issue)
-    end
-  end
-
-  # 每次提交对应的文件差异
-  def commit_diff
-    # 顶部导航
-    @project_menu_type = 5
-    @commit_diff = @g.commit_diff(@project.gpid, params[:changeset])
-    diff = ActiveSupport::JSON.decode(@commit_diff.to_json).first
-    diff = OpenStruct.new(diff)
-    @diff_file = Trustie::Gitlab::Diff::File.new(diff)
-
-
-    @commit_details = @g.commit(@project.gpid, params[:changeset])
-    render :layout => 'base_projects'
-  end
-
-  def diff
-    if params[:format] == 'diff'
-      @diff = @repository.diff(@path, @rev, @rev_to)
-      (show_error_not_found; return) unless @diff
-      filename = "changeset_r#{@rev}"
-      filename << "_r#{@rev_to}" if @rev_to
-      send_data @diff.join, :filename => "#{filename}.diff",
-                :type => 'text/x-patch',
-                :disposition => 'attachment'
-    else
-      @diff_type = params[:type] || User.current.pref[:diff_type] || 'inline'
-      @diff_type = 'inline' unless %w(inline sbs).include?(@diff_type)
-
-      # Save diff type as user preference
-      if User.current.logged? && @diff_type != User.current.pref[:diff_type]
-        User.current.pref[:diff_type] = @diff_type
-        User.current.preference.save
-      end
-      @cache_key = "repositories/diff/#{@repository.id}/" +
-          Digest::MD5.hexdigest("#{@path}-#{@rev}-#{@rev_to}-#{@diff_type}-#{current_language}")
-      unless read_fragment(@cache_key)
-        @diff = @repository.diff(@path, @rev, @rev_to)
-        unless @diff
-          show_error_not_found
-          return
-        end
-      end
-
-      @changeset = @repository.find_changeset_by_name(@rev)
-      @changeset_to = @rev_to ? @repository.find_changeset_by_name(@rev_to) : nil
-      @diff_format_revisions = @repository.diff_format_revisions(@changeset, @changeset_to)
-    end
-    render :layout => 'base_projects'
-  end
-
-  def stats
-    if @project.gpid.nil?
-      render 404
-      return
-    end
-    project_id = @project.gpid
-    # @repository_id = @repository.identifier
-    # creator = params[:creator]
-    rev = params[:rev]
-    g = Gitlab.client
-    begin
-      @static_total_per_user = g.rep_stats(project_id, :rev => rev)
-      # 更新rep_statics统计数
-      @static_total_per_user.each do |static|
-        rep_static = RepStatics.where("project_id =? and email =?", @project.id, static.email.to_s).first
-        if rep_static.nil?
-          RepStatics.create(:project_id => @project.id, :uname => static.uname, :commits_num => static.commits_num, :email => static.email, :add => static.add, :del => static.del, :changeset => static.changes)
-        else
-          if @rev == params[:default_branch]
-            rep_static.update_attributes(:uname => static.uname, :commits_num => static.commits_num, :email => static.email, :add => static.add, :del => static.del, :changeset => static.changes)
-          end
-        end
-      end
-    rescue
-      render_404
-      return
-    end
-    render :layout => 'base_projects'
-  end
-
-  def graph
-    data = nil
-    case params[:graph]
-    when "commits_per_month"
-      data = graph_commits_per_month(@repository)
-    when "commits_per_author"
-      data = graph_commits_per_author(@repository)
-    when "author_commits_per_month"
-      data = graph_author_commits_per_month(@repository)
-    when "author_commits_six_month"
-      data = author_commits_six_month(@repository)
-    when "author_code_six_months"
-      data = author_code_six_month(@repository)
-    end
-    if data
-      headers["Content-Type"] = "image/svg+xml"
-      send_data(data, :type => "image/svg+xml", :disposition => "inline")
-    else
-      render_404
-    end
-  end
-
-  def authorize_visible
-    allowed  = authorize_allowed(params[:controller], params[:action], global = false)
-    if allowed || User.current.admin? || (@project.hidden_repo && User.current.member_of?(@project) && !role_of_members_in_project(@project.id, User.current.id) == "Reporter")
-      true
-    else
-      if @project && @project.archived?
-        render_403 :message => :notice_not_authorized_archived_project
-      else
-        deny_access
-      end
-    end
-  end
-
   private
-  # 更新项目统计数
-  def update_commits_count project, count
-    project.project_score.update_attribute(:changeset_num, count)
-  end
-
-  # 更新项目提交次数时间
-  def update_commits_date project, date
-    project.project_score.update_attribute(:commit_time, date.created_at)
-  end
-
-  # 链接gitlab
-  def connect_gitlab
-    begin
-      @g = Gitlab.client
-      unless @project.gpid.nil?
-        @g_project = @g.project(@project.gpid)
-      end
-    rescue => e
-      logger.error("connect gitlab failed ==> #{e}")
-    end
-  end
-
-  def show_rep
-    visible_repository?(@project)
-  end
-
-  def find_repository
-    @repository = Repository.find(params[:id])
-    @project = @repository.project
-  rescue ActiveRecord::RecordNotFound
-    render_404
-  end
-
   REV_PARAM_RE = %r{\A[a-f0-9]*\Z}i
   REP_TYPE = "Repository::Gitlab"
-
   # 获取项目、版本库、路劲、默认分支
   def find_project_repository
+    Rails.logger.info("!!!!! in the find_project_repository function")
     @project = Project.find(params[:id])
     @repository = Repository.where(:type => REP_TYPE, :project_id => @project).first
     (render_404; return false) unless (@repository || @project.gpid)
@@ -854,225 +41,4 @@ update
   rescue InvalidRevisionParam
     show_error_not_found
   end
-
-  def find_changeset
-    if @rev.present?
-      @changeset = @repository.find_changeset_by_name(@rev)
-    end
-    show_error_not_found unless @changeset
-  end
-
-  def show_error_not_found
-    render_error :message => l(:error_scm_not_found), :status => 404
-  end
-
-  def show_error_forbidden
-    render_error :status => 403
-  end
-
-  # Handler for Redmine::Scm::Adapters::CommandFailed exception
-  def show_error_command_failed(exception)
-    render_error l(:error_scm_command_failed, exception.message)
-  end
-
-  def graph_commits_per_month(repository)
-    @date_to = Date.today
-    @date_from = @date_to << 11
-    @date_from = Date.civil(@date_from.year, @date_from.month, 1)
-    commits_by_day = Changeset.count(
-        :all, :group => :commit_date,
-        :conditions => ["repository_id = ? AND commit_date BETWEEN ? AND ?", repository.id, @date_from, @date_to])
-    commits_by_month = [0] * 12
-    commits_by_day.each {|c| commits_by_month[(@date_to.month - c.first.to_date.month) % 12] += c.last }
-
-    changes_by_day = Change.count(
-        :all, :group => :commit_date, :include => :changeset,
-        :conditions => ["#{Changeset.table_name}.repository_id = ? AND #{Changeset.table_name}.commit_date BETWEEN ? AND ?", repository.id, @date_from, @date_to])
-    changes_by_month = [0] * 12
-    changes_by_day.each {|c| changes_by_month[(@date_to.month - c.first.to_date.month) % 12] += c.last }
-
-    fields = []
-    12.times {|m| fields << month_name(((Date.today.month - 1 - m) % 12) + 1)}
-
-    graph = SVG::Graph::Bar.new(
-        :height => 300,
-        :width => 600,
-        :fields => fields.reverse,
-        :stack => :side,
-        :scale_integers => true,
-        :step_x_labels => 2,
-        :show_data_values => true,
-        :graph_title => l(:label_commits_per_month),
-        :show_graph_title => true
-    )
-
-    # 具状图
-    graph.add_data(
-        :data => commits_by_month[0..11].reverse,
-        :title => l(:label_revision_plural)
-    )
-
-    graph.add_data(
-        :data => changes_by_month[0..11].reverse,
-        :title => l(:label_change_plural)
-    )
-
-    graph.burn
-  end
-
-  def graph_commits_per_author(repository)
-    commits_by_author = Changeset.count(:all, :group => :committer, :conditions => ["repository_id = ?", repository.id])
-    commits_by_author = commits_by_author.to_a.sort! {|x, y| x.last <=> y.last}.last(25)
-
-    changes_by_author = Change.count(:all, :group => :committer, :include => :changeset, :conditions => ["#{Changeset.table_name}.repository_id = ?", repository.id])
-    h = changes_by_author.inject({}) {|o, i| o[i.first] = i.last; o}
-
-    fields = commits_by_author.collect {|r| r.first}
-    commits_data = commits_by_author.collect {|r| r.last}
-    changes_data = commits_by_author.collect {|r| h[r.first] || 0}
-
-    fields = fields + [""]*(10 - fields.length) if fields.length<10
-    commits_data = commits_data + [0]*(10 - commits_data.length) if commits_data.length<10
-    changes_data = changes_data + [0]*(10 - changes_data.length) if changes_data.length<10
-
-    # Remove email adress in usernames
-    fields = fields.collect {|c| c.gsub(%r{<.+@.+>}, '') }
-
-    graph = SVG::Graph::BarHorizontal.new(
-        :height => 400,
-        :width => 600,
-        :fields => fields,
-        :stack => :side,
-        :scale_integers => true,
-        :show_data_values => true,
-        :rotate_y_labels => false,
-        :graph_title => l(:label_commits_per_author),
-        :show_graph_title => true
-    )
-    graph.add_data(
-        :data => commits_data,
-        :title => l(:label_revision_plural)
-    )
-    graph.add_data(
-        :data => changes_data,
-        :title => l(:label_change_plural)
-    )
-    graph.burn
-  end
-
-  # 用户最近一年的提交次数
-  def graph_author_commits_per_month(repository)
-    @date_to = Date.today
-    @date_from = @date_to << 12
-    @date_from = Date.civil(@date_from.year, @date_from.month,  @date_from.day)
-    commits_by_author = Changeset.count(:all, :group => :committer,
-                                        :conditions => ["#{Changeset.table_name}.repository_id = ? AND #{Changeset.table_name}.commit_date BETWEEN ? AND ?", repository.id, @date_from, @date_to])
-    commits_by_author = commits_by_author.to_a.sort! {|x, y| x.last <=> y.last}.last(25)
-
-    fields = commits_by_author.collect {|r| r.first}
-    commits_data = commits_by_author.collect {|r| r.last}
-
-    fields = fields + [""]*(10 - fields.length) if fields.length<10
-    commits_data = commits_data + [0]*(10 - commits_data.length) if commits_data.length<10
-
-    # Remove email adress in usernames
-    fields = fields.collect {|c| c.gsub(%r{<.+@.+>}, '') }
-
-    graph = SVG::Graph::BarHorizontal.new(
-        :height => 400,
-        :width => 600,
-        :fields => fields,
-        :stack => :side,
-        :scale_integers => true,
-        :show_data_values => true,
-        :rotate_y_labels => false,
-        :graph_title => l(:label_author_commits_year),
-        :show_graph_title => true,
-        :no_css => true
-    )
-    graph.add_data(
-        :data => commits_data,
-        :title => l(:label_revision_commit_count)
-    )
-    graph.burn
-  end
-
-  # 用户最近六个月的提交次数
-  def author_commits_six_month(repository)
-    @date_to = Date.today
-    @date_from = @date_to << 6
-    @date_from = Date.civil(@date_from.year, @date_from.month, @date_from.day)
-    commits_by_author = Changeset.count(:all, :group => :committer,
-                                        :conditions => ["#{Changeset.table_name}.repository_id = ? AND #{Changeset.table_name}.commit_date BETWEEN ? AND ?", repository.id, @date_from, @date_to])
-    commits_by_author = commits_by_author.to_a.sort! {|x, y| x.last <=> y.last}.last(25)
-
-    fields = commits_by_author.collect {|r| r.first}
-    commits_data = commits_by_author.collect {|r| r.last}
-
-    fields = fields + [""]*(10 - fields.length) if fields.length<10
-    commits_data = commits_data + [0]*(10 - commits_data.length) if commits_data.length<10
-
-    # Remove email adress in usernames
-    fields = fields.collect {|c| c.gsub(%r{<.+@.+>}, '') }
-
-    graph = SVG::Graph::BarHorizontal.new(
-        :height => 400,
-        :width => 600,
-        :fields => fields,
-        :stack => :side,
-        :scale_integers => true,
-        :show_data_values => true,
-        :rotate_y_labels => false,
-        :graph_title => l(:label_author_commits_six_month),
-        :show_graph_title => true
-    )
-    graph.add_data(
-        :data => commits_data,
-        :title => l(:label_revision_commit_count)
-    )
-    graph.burn
-  end
-
-  # 最近六个月代码量统计
-  def author_code_six_month(repository)
-    @date_to = Date.today
-    @date_from = @date_to << 6
-    @date_from = Date.civil(@date_from.year, @date_from.month, @date_from.day)
-    commits_by_author = Changeset.count(:group => :committer, :conditions => ["#{Changeset.table_name}.repository_id = ? AND #{Changeset.table_name}.commit_date BETWEEN ? AND ?", repository.id, @date_from, @date_to])
-    commits_by_author = commits_by_author.to_a.sort! {|x, y| x.last <=> y.last}.last(40)
-    all_author = []
-    commits_by_author.each do |cba|
-      all_author << cba.first
-    end
-    # all_author = all_author.collect {|c| c.gsub(%r{/ /<.+@.+>}, '') }
-    all_author = all_author.collect {|c| c.split.first }
-    commits_by_author = repository.commits(all_author, "#{@date_from}", "#{@date_to}", repository.id == 150 ? "szzh" : 'master')
-
-    fields = commits_by_author.collect {|r| r.first}
-    commits_data = commits_by_author.collect {|r| r.last}
-
-    fields = fields + [""]*(10 - fields.length) if fields.length<10
-    commits_data = commits_data + [0]*(10 - commits_data.length) if commits_data.length<10
-
-    # Remove email adress in usernames
-    fields = fields.collect {|c| c.gsub(%r{<.+@.+>}, '') }
-
-    graph = SVG::Graph::BarHorizontal.new(
-        :height => 400,
-        :width => 600,
-        :fields => fields,
-        :stack => :side,
-        :scale_integers => true,
-        :show_data_values => true,
-        :rotate_y_labels => false,
-        :graph_title => l(:label_author_code_six_month),
-        :show_graph_title => true
-    )
-    graph.add_data(
-        :data => commits_data,
-        :title => l(:lable_revision_code_count)
-    )
-    graph.burn
-  end
-
-end
+end
\ No newline at end of file