Class: PrintReleaf::Relation

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/printreleaf/relation.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(owner, resource_class, options = {}) ⇒ Relation

Returns a new instance of Relation.



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# File 'lib/printreleaf/relation.rb', line 10

def initialize(owner, resource_class, options={})
  @owner          = owner
  @resource_class = resource_class
  @path           = options[:path] || resource_class.uri
  @actions        = Set.new(options[:actions] || resource_class.actions)
  @actions.each do |action|
    extend Actions.const_get(action.to_s.capitalize)
  end
end

Instance Attribute Details

#actions ⇒ Object (readonly)

Returns the value of attribute actions.



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# File 'lib/printreleaf/relation.rb', line 8

def actions
  @actions
end

#owner ⇒ Object (readonly)

Returns the value of attribute owner.



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# File 'lib/printreleaf/relation.rb', line 5

def owner
  @owner
end

#path ⇒ Object (readonly)

Returns the value of attribute path.



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# File 'lib/printreleaf/relation.rb', line 7

def path
  @path
end

#resource_class ⇒ Object (readonly)

Returns the value of attribute resource_class.



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# File 'lib/printreleaf/relation.rb', line 6

def resource_class
  @resource_class
end

Instance Method Details

#count ⇒ Object 



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# File 'lib/printreleaf/relation.rb', line 53

def count
  related.count
end

#each ⇒ Object 



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# File 'lib/printreleaf/relation.rb', line 38

def each
  return enum_for(:each) unless block_given?
  related.each do |resource|
    yield resource
  end
end

#first ⇒ Object 



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# File 'lib/printreleaf/relation.rb', line 45

def first
  related.first
end

#inspect ⇒ Object 



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# File 'lib/printreleaf/relation.rb', line 65

def inspect
  "#<#{self.class}(#{resource_class}) owner=#{owner.compact_inspect} path=#{path} actions=#{actions}>"
end

#last ⇒ Object 



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# File 'lib/printreleaf/relation.rb', line 49

def last
  related.last
end

#length ⇒ Object 



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# File 'lib/printreleaf/relation.rb', line 57

def length
  related.length
end

#new(*args) ⇒ Object 



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# File 'lib/printreleaf/relation.rb', line 24

def new(*args)
  @resource_class.new(*args).tap do |resource|
    resource.owner = owner
  end
end

#related ⇒ Object 



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# File 'lib/printreleaf/relation.rb', line 30

def related
  if respond_to?(:list)
    return list
  else
    raise "Relation not defined."
  end
end

#to_s ⇒ Object 



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# File 'lib/printreleaf/relation.rb', line 61

def to_s
  "#<#{self.class.name}(#{resource_class}>"
end

#uri ⇒ Object 



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# File 'lib/printreleaf/relation.rb', line 20

def uri
  Util.join_uri(owner.uri, path)
end