Class: Alchemy::ElementsFinder

Inherits:
Object
  • Object
show all
Defined in:
lib/alchemy/elements_finder.rb

Overview

Loads elements from given page version.

Used by Page#find_elements and Alchemy::ElementsHelper#render_elements helper.

If you need custom element loading logic in your views you can create your own finder class and tell the Alchemy::ElementsHelper#render_elements helper or Page#find_elements to use that finder instead of this one.

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ ElementsFinder

Returns a new instance of ElementsFinder.

Parameters:

  • options (Hash) (defaults to: {})

    a customizable set of options

Options Hash (options):

  • :only (Array<String>|String)

    A list of element names to load only.

  • :except (Array<String>|String)

    A list of element names not to load.

  • :fixed (Boolean) — default: false

    Return only fixed elements

  • :count (Integer)

    The amount of elements to load

  • :offset (Integer)

    The offset to begin loading elements from

  • :random (Boolean) — default: false

    Randomize the output of elements

  • :reverse (Boolean) — default: false

    Reverse the load order


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# File 'lib/alchemy/elements_finder.rb', line 29

def initialize(options = {})
  @options = options
end

Instance Method Details

#elements(page_version:) ⇒ Alchemy::ElementsRepository

Parameters:

Returns:


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# File 'lib/alchemy/elements_finder.rb', line 36

def elements(page_version:)
  elements = find_elements(page_version)

  if options[:reverse]
    elements = elements.reverse
  end

  if options[:random]
    elements = elements.random
  end

  elements.offset(options[:offset]).limit(options[:count])
end