Class: Cms::ContentController

Inherits:
ApplicationController
  • Object
show all
Includes:
ActionController::Caching::Actions, ActionController::Caching::Pages
Defined in:
app/controllers/cms/content_controller.rb

Overview

:nodoc:

Instance Method Summary collapse

Instance Method Details

#disable_caching ⇒ Object 



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# File 'app/controllers/cms/content_controller.rb', line 219

def disable_caching
  @allow_caching = false
end

#not_found ⇒ Object

Renders app/views/errors/404.rhtml with http status 404 Not Found.

Raises:

  • (ActionController::RoutingError) 


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# File 'app/controllers/cms/content_controller.rb', line 55

def not_found
  # logger.error "404 from #{request.referer}"
  # render :template => 'imagine_cms/errors/404', :status => 404
  
  # let Rails handle 404s natively (override if you want to handle manually)
  raise ActionController::RoutingError.new('404 Not Found')
end

#page_list_calendar ⇒ Object 



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# File 'app/controllers/cms/content_controller.rb', line 324

def page_list_calendar
  @pg = CmsPage.find(params[:id])
  load_page_objects or return true
  
  @month = (params[:month] || Time.now.month).to_i
  @year = (params[:year] || Time.now.year).to_i
  @key = params[:key]
  first_of_month = Time.mktime(@year, @month, 1)
  last_of_month = first_of_month.end_of_month
  
  @css_prefix = params[:css_prefix] || 'calendar_'
  
  events = page_list_items(@pg, @key, :start_date => first_of_month, :end_date => last_of_month)
  
  @event_days = {}
  events.each do |e|
    if e.article_date
      event_start = e.article_date.mday
      if e.article_end_date
        event_end = e.article_end_date > last_of_month ? last_of_month.mday : e.article_end_date.mday
      else
        event_end = event_start
      end
      
      for index in event_start..event_end
        @event_days[index] ||= ''
        @event_days[index] << erb_render(substitute_placeholders(@page_objects["#{@key}-template"], e))
      end
      
    end
  end
  @event_days.each do |index, val|
    @event_days[index] = (@page_objects["#{@key}-header"] || '') + val + (@page_objects["#{@key}-footer"] || '')
  end
  
  render :update do |page|
    page.replace_html "page_list_calendar_#{@key}_month_year", :partial => 'page_list_calendar_month_year'
    page.replace_html "page_list_calendar_#{@key}_days", :partial => 'page_list_calendar_days'
  end
end

#preview_template ⇒ Object 



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# File 'app/controllers/cms/content_controller.rb', line 310

def preview_template
  @pg = CmsPage.new
  if params[:id] && (@cms_template = CmsTemplate.find_by_id(params[:id])) && (pg = @cms_template.pages.where('published_version >= 0').order('updated_on desc').first)
    @pg = pg
  else
    @cms_template = CmsTemplate.new(name: 'Template Preview')
    @pg.template = @cms_template
  end
  @page_objects = OpenStruct.new
  @pg.template.content = params[:content]

  render inline: render_cms_page_to_string(@pg, params[:content])
end

#rendering_error(exception = nil) ⇒ Object 



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# File 'app/controllers/cms/content_controller.rb', line 63

def rendering_error(exception = nil)
  logger.error "500 from #{request.referer} (exception: #{exception})"
  logger.error exception.annoted_source_code if exception.class.name == 'ActionView::Template::Error'
  
  @exception = exception.message
  render template: 'imagine_cms/errors/500', status: 500, formats: [ :html ]
end

#rss_feed ⇒ Object 



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# File 'app/controllers/cms/content_controller.rb', line 268

def rss_feed
  min_time = Time.rfc2822(request.env["HTTP_IF_MODIFIED_SINCE"]) rescue nil
  if min_time && (Time.now - min_time) < 5.minutes
    render plain: '', status: '304 Not Modified' and return
  end
  
  @@cms_page_table_exists ||= CmsPage.table_exists?
  return not_found unless @@cms_page_table_exists
  
  @pg = CmsPage.find_by_id(params[:page_id])
  render nothing: true and return unless @pg && params[:page_list_name]
  key = "obj-page_list-#{params[:page_list_name].gsub(/[^\w]/, '_')}"
  
  load_page_objects or return false
  
  # populate @page_list_pages
  render_cms_page_to_string(@pg)
  
  @pages = @page_list_pages[key].first(20) rescue []  # why only first 20?
  @page_contents = {}
  
  unless @pages.empty?
    @most_recent_pub_date = @pages.first
    @pages.each { |pg| most_recent_pub_date = pg if pg.published_date > @most_recent_pub_date.published_date }
    
    if min_time && @most_recent_pub_date.published_date && @most_recent_pub_date.published_date <= min_time
      # use cached version
      render plain: '', status: '304 Not Modified' and return
    end
    
    @pages.each_with_index do |page, index|
      @page_contents[page.id] = render_to_string :inline => substitute_placeholders(@page_objects["#{key}-template"] || '', page, :index => index+1, :count => @pages.size)
    end
  end
  
  # send feed
  response.headers["Content-Type"] = "application/rss+xml"
  response.headers["Last-Modified"] = (@pages.first.published_date.httpdate rescue Time.now).to_s
  
  render 'rss_feed.xml', :layout => false
end

#search ⇒ Object 



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# File 'app/controllers/cms/content_controller.rb', line 224

def search
  @pages = []
  @terms = []
  @terms = params[:q].split(/[^\w\-]+/).reject { |t| t.length < 3 } if params[:q]
  
  unless @terms.empty?
    CmsPage.index_all
    
    base_query = CmsPage.includes(:tags).references(:cms_page_tags).where('published_version >= 0').limit(100)
    
    query = base_query.dup
    @terms.each do |term|
      term_variants = [ term, term.singularize, term.pluralize ].uniq.map { |v| v.gsub(/[\[\]\|\:\>\(\)\?]/, '').gsub(/\+/, '\+') }.join('|')
      query = query.where("(title regexp ?)", "[[:<:]](#{term_variants})[[:>:]]")
    end
    @pages.concat query.all
    
    query = base_query.dup.where('search_index is not null')
    @terms.each do |term|
      term_variants = [ term, term.singularize, term.pluralize ].uniq.map { |v| v.gsub(/[\[\]\|\:\>\(\)\?]/, '').gsub(/\+/, '\+') }.join('|')
      query = query.where("cms_page_tags.name regexp :regex or search_index regexp :regex",
                          regex: "[[:<:]](#{term_variants})[[:>:]]")
    end
    query.each { |pg| @pages << pg unless @pages.include?(pg) }
    
    # fulltext doesn't work with innodb... may need to make a separate myisam
    # table just for search. (this would be better because it would sort by relevance)
    # @pages.concat CmsPage.where('match (title, search_index) against (?)', params[:q])
  end
  @pages = @pages.first(100)
  
  logger.debug "Search returned #{@pages.size} matching pages for terms #{@terms}"
  
  @pg = CmsPage.new
  @pg.template = CmsTemplate.find_by_name('Search') || CmsTemplate.new
  @page_title = 'Search Results'
  
  load_page_objects or return
  
  @page_objects['obj-text-search_results'] = render_to_string(partial: 'search')
  
  render inline: render_cms_page_to_string(@pg)
end

#show ⇒ Object

Routes: match ‘plcalendar(/:action(/:id))’ => ‘cms/content#page_list_calendar’ root :to => ‘cms/content#show’ match ‘*content_path’ => ‘cms/content#show’



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# File 'app/controllers/cms/content_controller.rb', line 16

def show
  return not_found unless params[:content_path].is_a? Array
  
  @content_levels = (params[:prefix] || []).concat(params[:content_path])
  @content_path = File.join([ 'content' ].concat(@content_levels))
  template_found = false
  
  # set "legacy" vars
  begin
    if template_exists?(@content_path)
      params[:section] = @content_levels.first unless @content_levels.size < 2
      params[:subsection] = @content_levels[1] unless @content_levels.size < 3
      params[:page] = @content_levels.last
      template_found = true
    elsif template_exists?(File.join([ @content_path, 'index' ]))
      @content_path = File.join([ @content_path, 'index' ])
      params[:section] = @content_levels.first unless @content_levels.size < 1
      params[:subsection] = @content_levels[1] unless @content_levels.size < 2
      params[:page] = 'index'
      template_found = true
    end
  rescue StandardError => e
    if e.message =~ /string contains null byte/
      # do nothing
    else
      raise e
    end
  end
  
  if template_found
    render template: @content_path
  elsif show_from_db
    return
  else
    return not_found
  end
end

#show_from_db ⇒ Object 



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# File 'app/controllers/cms/content_controller.rb', line 71

def show_from_db
  @@cms_page_table_exists ||= CmsPage.table_exists?
  return unless @@cms_page_table_exists
  
  logger.debug 'Rendering content from database'
  
  begin
    @content_levels = params[:content_path]
    db_path = params[:content_path]
    edit_mode = false
    @allow_caching = true
    
    # check for /login
    if db_path.last == 'login'
      db_path.pop
      if @pg = CmsPage.find_by_path(db_path.join('/'))
        db_path << 'version'
        db_path << (@pg.published_version <= 0 ? @pg.version : @pg.published_version).to_s
        @allow_caching = false
        
        if is_logged_in_user?
          redirect_to '/' + db_path.join('/') and return true
        else
          flash[:notice] = "Please log in now in order to switch to Preview Mode on the page you were just viewing."
          session[:saved_user_uri] = '/' + db_path.join('/')
          redirect_to controller: '/management/user', action: 'login' and return true
        end
      end
    end
    
    # check for /edit
    if db_path.last == 'edit'
      db_path.pop
      edit_mode = true
      @allow_caching = false
    end
    
    # check for 2-part suffixes (/version/[#], /form/[action])
    test = db_path.last(2)
    
    if test.size == 2
      if test.first == 'version' && test.last.to_i > 0
        params[:version] = db_path.pop
        db_path.pop
        @allow_caching = false
      elsif test.first == 'form'
        @form_action = db_path.pop
        db_path.pop
        @allow_caching = false
        
        # restore saved instance variables
        if session[:saved_instance_variables].is_a? Hash
          session[:saved_instance_variables].each do |k, v|
            instance_variable_set "@#{k}", v
          end
          session[:saved_instance_variables] = nil
        end
      end
    end
    
    # check for 3-part suffixes (/segment/[offset]/[plname])
    test = db_path.last(3)
    
    if test.size == 3
      if test[0] == 'segment' && !test[1].blank? && !test[2].blank?
        @page_list_segment = true
        params[:page_list_name] = db_path.pop
        params[:offset] = db_path.pop
        db_path.pop
        
        # don't cache to disk on server, but do allow browsers and proxies to cache briefly
        @allow_caching = false
        expires_in 1.minutes, public: true if Rails.env.production?
      end
    end
    
    if db_path.last == 'index'
      db_path.pop
      params[:page] = 'index'
    end
    
    if @pg ||= (CmsPage.includes(:template).find_by_path(db_path.join('/')) || CmsPage.includes(:template).find_by_path(db_path.map { |segment| segment.gsub(/([A-Za-z\d])_/, '\1-') }.join('/')))
      if edit_mode
        redirect_to controller: '/manage/cms_pages', action: 'edit_page_content', id: @pg and return true
      else
        # return if page is offline and viewer is not an admin
        if @pg.published_version < 0
          if !is_logged_in_user?
            return false
          else
            # display, but don't cache
            @allow_caching = false
          end
        end
        
        # redirect if redirect enabled
        if @pg.respond_to?(:redirect_enabled) && @pg.redirect_enabled
          redirect_to @pg.redirect_to and return true
        end
        
        # load appropriate page version and associated objects
        # if we had to authenticate, load_page_objects = false, but return true so we don't call not_found
        load_page_objects or return true
        
        # set "legacy" vars
        params[:section] = @content_levels.size < 1 ? '' : @content_levels.first
        params[:subsection] = @content_levels[1] unless @content_levels.size < 3
        if @content_levels.size == 1
          params[:page] = 'index'
        elsif @content_levels.size > 1
          params[:page] = @content_levels.last
        end
        
        @page_title = @pg.title
        
        template_content = render_cms_page_to_string(@pg)
        
        # logger.debug @page_objects.map { |k,v| "#{k}: #{v}\n" }
        
        # this is kind of ugly, having this in the middle of my rendering code
        if @page_list_segment
          name = params[:page_list_name]
          key = "obj-page_list-#{name.gsub(/[^\w]/, '_')}"
          render inline: render_page_list_segment(name, @page_list_pages[key]) and return true
        end
        # end of page list segment code
        
        render inline: template_content
        
        if UseCmsPageCaching && @allow_caching && perform_caching && request.format == Mime[:html]
          cache_page(nil, nil, nil)
        end
        
        return true
      end
    end
  rescue ActionController::RoutingError
    # no need to log this
  rescue StandardError => e
    logger.error "Error rendering from db: #{e.class}: #{e.message}\n#{e.backtrace.join("\n")}"
    rendering_error(e) and return true
  end
  
  # if we haven't rendered something from the db by now, return false
  false
end