socialforge/app/controllers/welcome_controller.rb

# 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 WelcomeController < ApplicationController
  caches_action :robots
  before_filter :fake, :only => [:index, :course]
  before_filter :entry_select_course, :entry_select_contest, :entry_select_user, :only => [:index]
 
  def index
    projectActive       = Project.project_entities.active
    @projectCount       = projectActive.count
    @projectPublicCount = projectActive.all_public.count
    @projectHidenCount  = @projectCount - @projectPublicCount

    @developerCount     = User.developer.count
    @allUsercount       = User.count
  end

  def robots
    @projects = Project.all_public.active
    render :layout => false, :content_type => 'text/plain'
  end
  
  def course
    @courseCount = Project.course_entities.count
    @teacherCount = User.teacher.count
    @studentCount = User.student.count
  end
  
  def contest

  end

  def search
    search_condition = params[:q] 
    search_type = params[:search_type].to_sym unless search_condition.blank?

    respond_to do |format|
      format.html{
        case search_type
        when :projects
          redirect_to projects_search_path(:name => search_condition, 
                                            :project_type => Project::ProjectType_project)
        when :courses
          redirect_to projects_search_path(:name => search_condition, 
                                            :project_type => Project::ProjectType_course)
        when :users
          redirect_to users_search_path(:name => search_condition)
        when :users_teacher
          redirect_to users_search_path(:name => search_condition, :role => :teacher)
        when :users_student
          redirect_to users_search_path(:name => search_condition, :role => :student)
        else
          redirect_to home_path, :alert => l(:label_sumbit_empty)
        end
      }
    end
  end

  private

  # 判断网站的入口，是课程 course 则跳过index去渲染 course 方法
  def entry_select_course
    (course() and render :course and return 0) if request.original_url.match(/course\.trustie\.net/)
  end
  
  def entry_select_contest
    if request.original_url.match(/contest\.trustie\.net/)
      contest
      render :contest
      return 0
    end
  end
  
  def entry_select_user
    if request.original_url.match(/user\.trustie\.net$/)
      redirect_to(:controller => "users", :action => "index")
      return 0
    end
  end

  def render(*args)
    _fake if @fake_filter
    super
  end

  private

  def fake
    @fake_filter = true
  end
  
  # 骗子方法
  def _fake
    instance_variables.map { |variable|
      if variable.to_s =~ /Count$/
        self.instance_variable_set(variable.to_sym,
           ("1" + (self.instance_variable_get(variable.to_sym).to_s)).to_i)
      end
    }
  end

end