Class: Skyline::Page

Inherits:
Article
  • Object
show all
Extended by:
ActiveSupport::Memoizable
Includes:
Positionable
Defined in:
app/models/skyline/page.rb

Defined Under Namespace

Classes: Data

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Article

#data_class, #depublish, #depublishable?, #destroy, #editable_by?, #enable_locking?, #enable_multiple_variants?, #enable_publishing?, #preview_wrapper_page, #previewable?, publishable?, #published?, #renderable?, #renderable_scope, #right_prefix, #rollbackable?, #set_default_variant, #set_default_variant!, #site, #sites, #title, to_param

Class Method Details

.find_by_url(url_parts, root = nil) ⇒ Array<Skyline::Page,Array<String>>

Find the page by url_parts and return the page and url_parts left over after we’ve found the deepest page.

Parameters:

  • url_parts (Array<String>) —

    The url_parts to look for

  • root (Skyline::Page) (defaults to: nil) —

    An optional root to search in.

Returns:

  • (Array<Skyline::Page,Array<String>>) —

    First return parameter is the deepest page we found (can be nil), the second return is the url_parts not consumed by the found page.



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# File 'app/models/skyline/page.rb', line 136

def find_by_url(url_parts, root = nil)
  root ||= self.root
  return nil unless root
  return [root, []] if url_parts.empty?
  if child = root.children.find_by_url_part(url_parts.first)
    return self.find_by_url(url_parts[1..-1], child)
  end
  return [root, url_parts]
end

.group_by_parent_id ⇒ Object

returns an Array of hashes

Returns

<Array>

Array of hashes grouped by parent_id



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# File 'app/models/skyline/page.rb', line 65

def group_by_parent_id
  out = {}
  pages = self.connection.select_all("
    SELECT page.id,
           page.parent_id,
           data.navigation_title as navigation_title,
           data.title as title,
           page.locked,
           page.published_publication_id,
           page.default_variant_id,
           published_publication.variant_id AS published_publication_variant_id,
           published_publication.version AS published_publication_version,
           default_variant.version AS default_variant_version
    FROM #{self.table_name} AS page
    LEFT JOIN skyline_page_data AS data ON data.id=page.default_variant_data_id
    LEFT JOIN skyline_article_versions AS published_publication ON published_publication.id=page.published_publication_id
    LEFT JOIN skyline_article_versions AS default_variant ON default_variant.id=default_variant_id
    WHERE page.type='Skyline::Page'
    ORDER BY page.position")

  pages.each do |o|
    class << o
      def id; self["id"].to_i; end
      def parent_id; self["parent_id"].blank? ? nil : self["parent_id"].to_i; end
      def title
        if self["navigation_title"].blank?
          self["title"].blank? ? "n/a" : self["title"]
        else
          self["navigation_title"]
        end
      end
      def published?; self["published_publication_id"].present?; end
      def identical_to_publication?
        self["published_publication_variant_id"] == self["default_variant_id"] && self["published_publication_version"] == self["default_variant_version"]
      end
      def open; true; end
    end

    out[o.parent_id] ||= []
    out[o.parent_id] << o
  end
  out
end

.menu(level = 1, nesting = nil) ⇒ Object

build menu of certain level

Parameters

level<Integer>

level of the menu that has to be returned

nesting<Array>

the nesting of page starting with the root node

Returns

<Array>

an array of pages to display in the menu



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# File 'app/models/skyline/page.rb', line 120

def menu(level = 1, nesting = nil)
  menu = []
  menu << {:page => self.root, :children => []} if level == 1 && self.root.in_navigation?
  nesting ||= [self.root]
  menu += nesting[level-1].menu if nesting[level-1]
  menu
end

.reorder(pages) ⇒ Object 



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# File 'app/models/skyline/page.rb', line 146

def reorder(pages)
		return unless pages.kind_of?(Array)
		pages.each_with_index do |parent_id, position|
			self.connection.execute("UPDATE #{self.table_name} SET position=#{position.to_i} WHERE id=#{parent_id.to_i}")
		end  		
end

.right_prefix ⇒ Object 



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# File 'app/models/skyline/page.rb', line 57

def right_prefix
  "page"
end

.root ⇒ Object 



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# File 'app/models/skyline/page.rb', line 109

def root
  self.first(:conditions => "parent_id IS NULL")
end

Instance Method Details

#create_new!(position) ⇒ Object

create a new page on position

Parameters

position<Symbol>

Can either be :below, :above or :in

Returns

<Page>

The new page



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# File 'app/models/skyline/page.rb', line 201

def create_new!(position)
   page = Skyline::Page.new
   
   self.class.transaction do
    case position
  	when :below
  		page.parent = self.parent
 			page.position = self.position + 1
 			self.class.connection.execute("UPDATE #{self.class.table_name} SET position=position+1 WHERE #{self.parent ? "parent_id=#{self.parent.id}" : 'parent_id IS NULL'} AND position>#{self.position}")
		when :above
			page.parent = self.parent
 			page.position = self.position
 			self.class.connection.execute("UPDATE #{self.class.table_name} SET position=position+1 WHERE #{self.parent ? "parent_id=#{self.parent.id}" : 'parent_id IS NULL'} AND position>=#{self.position}")
		when :in
			page.parent = self
		end    
		
		page.sites << self.site
		page.save
	end
	page
end

#destroyable? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/skyline/page.rb', line 186

def destroyable?
  !self.persistent? && self.children.empty? && self.published_publication == nil
end

#keep_history? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/skyline/page.rb', line 190

def keep_history?
  Skyline::Configuration.enable_publication_history
end

#menu ⇒ Object 



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# File 'app/models/skyline/page.rb', line 182

def menu
 self.children.collect{|child| {:page => child, :children => child.menu} if child.published_publication_data.andand.in_navigation?}.compact
end

#move_behind=(parent_id) ⇒ Object 



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# File 'app/models/skyline/page.rb', line 224

def move_behind=(parent_id)
 @do_move_behind = true
 @move_behind = parent_id
end

#nesting ⇒ Object 



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# File 'app/models/skyline/page.rb', line 158

def nesting
  self.root? ? [self] : self.parent.nesting + [self]
end

#parents ⇒ Object 



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# File 'app/models/skyline/page.rb', line 163

def parents
  self.nesting.dup[0..-2]
end

#path ⇒ Object

Returns the path (url excluding current url_path), with trailing / for the root page: nil pages directly in the root: / other pages, ie: /a/b/c/



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# File 'app/models/skyline/page.rb', line 171

def path
  return nil if self.root?
  path = "/" + self.parents[1..-1].collect{|page| page.url_part}.join("/") + "/"
  path.squeeze("/")
end

#root? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/skyline/page.rb', line 154

def root?
  !self.parent
end

#url ⇒ Object 



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# File 'app/models/skyline/page.rb', line 177

def url
  return "/" if self.root?
  self.path + self.url_part
end