orbit4-5/app/controllers/pages_controller.rb

# pass the layout=false for not rendering the layouts and also can specify the methods to in the backend controller.
# data-layout-content="arrayname" in layouts can be used to render data in the array  

class PagesController < ApplicationController
  before_action :get_key
  layout :get_layout
  include PagesHelper
  before_filter :check_frontend_open, :only => [:home,:show]
  
  def index
  	@pages = Page.all
    # render json: @pages
  end

  def edit_view
    @manifest = @key
    @dataApi = "edit"
   
    # @qq = render_to_string(:partial => @p, :layout => false)
    view = get_view
    if File.exists?(view)
      render view
    end
  end

  def home
    @manifest = @key
    @dataApi = nil
    page = Page.first
    impressionist(page)
    OrbitHelper.set_params params
    OrbitHelper.set_site_locale locale
    render :html => render_final_page("home#{$mobile}",page,true).html_safe
  end

  def show
    path = request.path.split('/')
    if path.size <= 2 or path.last.eql?("mobile")
      redirect_to root_path
    else
      if path.last.include? '-'
        params[:page_id] = path[-2]
        params[:slug] = path[-1]
        uid = path[-1].split("-").last
        uid = uid.split("?").first
        params[:uid] = uid
        params[:target_action] = params[:method] || "show"
      else
        params[:page_id] = path[-1]
        params[:slug] = nil
        params[:uid] = nil
        params[:target_action] = params[:method] || "index"
      end
      page = Page.find_by_param(params[:page_id])
      if !page.nil?
        if page.enabled_for.include? I18n.locale.to_s
          module_app = page.module.downcase.pluralize
          params[:target_controller] = "#{module_app}"
          params[:url] = page.url

          @manifest = @key
          @dataApi = nil
          OrbitHelper.set_params params
          OrbitHelper.set_site_locale locale
          OrbitHelper.set_this_module_app module_app.singularize
          OrbitHelper.set_page_categories page.categories || []
          OrbitHelper.set_page_data_count page.data_count
          if params[:layout].kind_of?(String)
            layout = to_bool(params[:layout]) 
          else
            layout = true
          end

          impressionist(page)
          render :html => render_final_page("#{module_app}/#{params[:target_action]}",page,layout).html_safe
        else
          render :file => "#{Rails.root}/public/404.html", :layout => false, :status => :not_found
        end
      else
          render :file => "#{Rails.root}/public/404.html", :layout => false, :status => :not_found
      end
    end
  end

  def update_item_position
    @page = Page.find(params[:id])
    new_parent_page = Page.find(params[:parent_id])
    old_parent_page_id = @page.parent_page_id
    @page.parent_page_id = new_parent_page.id
    if new_parent_page.id != old_parent_page_id
      url = (new_parent_page.url == "/" ? "" : new_parent_page.url)
      @page.url = url + "/#{@page.page_id}"
    end
    @page.save
    params["children_ids"].each_with_index do |child,i|
      page = Page.find(child)
      page.number = i
      page.save
    end

    if new_parent_page.id != old_parent_page_id
      old_parent_page = Page.find(old_parent_page_id)

      old_parent_page.child_page.each_with_index do |page,i|
        page.number = i
        page.save
      end
    end
    render :json => {"success"=>true}.to_json
  end

  def preview
    render render_final_page
  end

  def destroy
    page = Page.find(params[:id])
    page.destroy
    respond_to do |format|
      format.js
    end
  end

  def get_categories
    module_app = ModuleApp.find_by_key(params[:module]);
    @categories = module_app.categories.collect do |cat|
      {
        "title" => cat.title,
        "id" => cat.id.to_s
      }
    end

    render :json => {"categories" => @categories}.to_json
  end

  def new
  	@page = Page.new
  	@pages = Page.where(:page_id.ne => "" , :page_id.exists => true)
  	@modules = ModuleApp.all.frontend_enabled
  
  end

  def edit
    @page = Page.find(params[:id])
    @pages = Page.where(:page_id.ne => "" , :page_id.exists => true)
    @modules = ModuleApp.all.frontend_enabled
    module_app = ModuleApp.find_by_key(@page.module) rescue nil
    @categories = module_app.categories rescue []
  end

  def update
    @page = Page.find(params[:id])
    @page.update_attributes(page_update_params)
    @page.save
    respond_to do |format|
      format.js
    end

  end

  def create
    params['page']['page_id'] = params['page']['page_id'].gsub('-','_')
    @page = Page.new(page_params)
    @page.save!
    respond_to do |format|
      format.js
    end
  end

	private

  def render_final_page(original_view=get_view,page,layout)
    if layout
      parts = page.page_parts rescue []
      @part_partials = {}

      if $mobile.blank?
        parts.each do |part|
          subparts = part.sub_parts
          partials = []
          subparts.each do |subpart|
            if subpart.kind == "module_widget"
              OrbitHelper.set_widget_data_count subpart.data_count
              OrbitHelper.set_widget_categories subpart.categories
              OrbitHelper.set_widget_module_app subpart.module
              OrbitHelper.set_widget_item_url subpart
              custom_value = subpart.custom_string_field || subpart.custom_array_field rescue nil
              if !custom_value.nil?
                 OrbitHelper.set_widget_custom_value custom_value
               end
              partials << render_widget_for_frontend(subpart.module,subpart.widget_method,subpart.widget_type)
            elsif subpart.kind == "text"
              partials << subpart.content
            end
          end
          @part_partials["data-pp='#{part.part_id}'"] = partials
        end
      end

      @file = nil
      @layout_html = nil
      if original_view == "home#{$mobile}"
        @file = File.join('../templates', "#{@key}", "/home#{$mobile}/index.html.erb")
      else
        @file = File.join('../templates', "#{@key}", "/home#{$mobile}/page.html.erb")
      end
      @layout_html = render_to_string(@file)
      doc = Nokogiri::HTML(@layout_html, nil, "UTF-8")

      @part_partials.each do |key, partial|
        html_string = ""
        partial.each do |p|
          html_string = html_string + p
        end
        pp = doc.css("*[#{key}]")
        pp = pp[0]
        pp.inner_html = html_string
      end

      if original_view != "home#{$mobile}"
        viewarea = doc.css("*[data-content='true']")[0]
        viewarea.inner_html = render_to_string(original_view)
      end
      link = doc.css("link")[0]
      link.attributes["href"].value = current_site.favicon.url.nil? ? "/assets/favicon.ico" : current_site.favicon.url
      doc.to_html

    else
        render_to_string(original_view)
    end
  end

  def get_widget_path(widget)
    file = File.join('../templates', "#{@key}", "modules/#{widget}")
  end

  def get_view
    page = Page.find(params[:id]) rescue Page.root
    if page == Page.root
      @view = File.join(Rails.root, 'app', 'templates', "#{@key}", 'home#{$mobile}/index.html.erb')
    else
      module_name = page.module.downcase.singularize
      @view = File.join(Rails.root, 'app', 'templates', "#{@key}", "modules#{$mobile}/#{module_name}/index.html.erb")
    end
  end

  def page_params
    page = Page.find(params[:page][:parent_page])
    page.url = page.url == "/" ? "" : page.url
    @url = page.url + "/#{params[:page][:page_id]}"
    p = params.require(:page).permit(:number, :page_id, :module, :parent_page, :data_count, enabled_for_sitemap: [], enabled_for: [], menu_enabled_for: [], categories: [], name_translations: [:en, :zh_tw])
    p["url"] = @url
    p
  end

  def page_update_params
    p = params.require(:page).permit(:number, :page_id, :module, :parent_page, :data_count, enabled_for_sitemap: [], enabled_for: [],menu_enabled_for: [], categories: [], name_translations: [:en, :zh_tw])
    p["enabled_for"] = p["enabled_for"] || []
    p["menu_enabled_for"] = p["menu_enabled_for"] || []
    p
  end

  def get_layout
    if request[:action] == "edit_view"
     page = Page.find(params[:id])
      if page.page_id == "" || page.page_id == nil
        false
      else
        File.join("../../templates", "#{@key}", "/#{@home}#{$mobile}/page.html.erb")
      end
    # elsif request[:action] == "show" || request[:action] == "moduleShow"
    #    File.join("../../templates", "themes", "#{@key}", '/home/page.html.erb')
    else
      false
    end
  end
  def to_bool(str)
    return true if str == "true" 
    return false if str == "false"
  end

  def check_frontend_open
    if !current_site.frontend_open && current_user.blank?
      redirect_to '/admin/dashboards'  
    end
  end

end