Module: ContentDriven::DSL

Included in:
Page
Defined in:
lib/content_driven/dsl.rb

Overview

Extends ContentDriven with methods to create content of all the types it knows about

Instance Method Summary collapse

Instance Method Details

#define_dsl_for(subclass) ⇒ Object

Dynamically extend the DSL when we subclass Page



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# File 'lib/content_driven/dsl.rb', line 8

def define_dsl_for(subclass)
  class_name = subclass.to_s.split("::").last.camelcase.underscore

  # Allows us to call methods like site.blogs and blog.blog_posts
  define_method("get_#{class_name.pluralise}") do
    self.dup.delete_if do |child|
      !self[child].is_a? subclass
    end
  end

  # Allows us to call methods like site.get_blog which will return the first blog
  define_method("get_#{class_name}") do |url=nil|
    send("get_#{class_name.pluralise}")[url]
  end

  # Allows us to call methods like site.add_blog and blog.add_blog_posts
  define_method "add_#{class_name}" do |key=nil, &block|
    content_class = ContentDriven.const_get class_name.to_s.camelcase
    child = content_class.new &block
    add_child(key, child)
  end
end