Class: Storexplore::Walker

Inherits:
Object
  • Object
show all
Defined in:
lib/storexplore/walker.rb

Overview

Objects representing categories and items of the store. These are the instances manipulated when browsing a previously defined store

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(getter) ⇒ Walker

Returns a new instance of Walker.



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# File 'lib/storexplore/walker.rb', line 30

def initialize(getter)
  self.categories_digger = NullDigger.new
  self.items_digger = NullDigger.new
  self.scrap_attributes_block = proc do { } end
  @getter = getter
end

Instance Attribute Details

#categories_digger ⇒ Object

Internal usage



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# File 'lib/storexplore/walker.rb', line 28

def categories_digger
  @categories_digger
end

#father ⇒ Object

Internal usage



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# File 'lib/storexplore/walker.rb', line 28

def father
  @father
end

#index ⇒ Object

Internal usage



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# File 'lib/storexplore/walker.rb', line 28

def index
  @index
end

#items_digger ⇒ Object

Internal usage



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# File 'lib/storexplore/walker.rb', line 28

def items_digger
  @items_digger
end

#scrap_attributes_block ⇒ Object

Internal usage



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# File 'lib/storexplore/walker.rb', line 28

def scrap_attributes_block
  @scrap_attributes_block
end

Instance Method Details

#attributes ⇒ Object

Scraped attributes of this page. Attributes are extracted with the corresponding attributes blocks given in Storexplore::Dsl



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# File 'lib/storexplore/walker.rb', line 51

def attributes
  @attributes ||= scrap_attributes
end

#categories ⇒ Object

Sub categories Storexplore::Walker, as matched by the corresponding categories selector in Storexplore::Dsl



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# File 'lib/storexplore/walker.rb', line 57

def categories
  categories_digger.sub_walkers(page, self)
end

#genealogy ⇒ Object

Extended multiline string representation with parents.



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# File 'lib/storexplore/walker.rb', line 73

def genealogy
  genealogy_prefix + to_s
end

#items ⇒ Object

Sub items Storexplore::Walker, as matched by the corresponding categories selector in Storexplore::Dsl



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# File 'lib/storexplore/walker.rb', line 63

def items
  items_digger.sub_walkers(page, self)
end

#title ⇒ Object

Early title, accessible before the page is loaded.

  • for the store root, this is the store uri

  • for other pages, it’s the caption of the link that brought to this



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# File 'lib/storexplore/walker.rb', line 40

def title
  @getter.text
end

#to_s ⇒ Object

String representation with uri and index among siblings.



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# File 'lib/storexplore/walker.rb', line 68

def to_s
  "#{self.class} ##{index} @#{uri}"
end

#uri ⇒ Object

Full uri of the page being browsed



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# File 'lib/storexplore/walker.rb', line 45

def uri
  page.uri
end