Module: Scheherazade::Story::ClassMethods

Included in:
Scheherazade::Story
Defined in:
lib/scheherazade/story.rb

Instance Method Summary collapse

Instance Method Details

#begin ⇒ Object

Begins a story within the current story. Should be balanced with a call to end



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# File 'lib/scheherazade/story.rb', line 16

def begin
  (Thread.current[:scheherazade_stories] ||= []).push Story.new
  current
end

#current ⇒ Object 



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# File 'lib/scheherazade/story.rb', line 9

def current
  (Thread.current[:scheherazade_stories] ||= []).last || TOP
end

#end(opts = nil) ⇒ Object

Ends the current substory and comes back to the previous current story



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# File 'lib/scheherazade/story.rb', line 24

def end(opts = nil)
  current.send :rollback, opts && opts[:rollback]
  Thread.current[:scheherazade_stories].pop
  current
end

#tell(opts = nil) ⇒ Object

Begins a substory, yields, and ends the story



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# File 'lib/scheherazade/story.rb', line 32

def tell(opts = nil)
  yield self.begin
ensure
  self.end(opts)
end

#to_character(character_or_model) ⇒ Object 



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# File 'lib/scheherazade/story.rb', line 38

def to_character(character_or_model)
  case character_or_model
  when Class
    character_or_model.name.underscore.to_sym
  when Symbol
    character_or_model
  else
    raise ArgumentError, "expected character or Model, got #{character_or_model.ancestors}"
  end
end

#to_character!(character_or_model) ⇒ Object 



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# File 'lib/scheherazade/story.rb', line 49

def to_character!(character_or_model)
  to_character(character_or_model) unless character_or_model.is_a?(Symbol)
end

#to_model(character) ⇒ Object

Returns a Model or nil



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# File 'lib/scheherazade/story.rb', line 54

def to_model(character)
  character.to_s.camelize.safe_constantize
end
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