Class: FlickrMocks::Models::PhotoDimensions

Inherits:
Object
  • Object
show all
Defined in:
lib/flickr_mocks/models/photo_dimensions.rb

Class Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(data) ⇒ PhotoDimensions

Returns a new instance of PhotoDimensions.



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# File 'lib/flickr_mocks/models/photo_dimensions.rb', line 14

def initialize(data)
  self.delegated_to_object = data
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(id, *args, &block) ⇒ Object

delegates methods that are returned by delegated instance method



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# File 'lib/flickr_mocks/models/photo_dimensions.rb', line 68

def method_missing(id,*args,&block)
  return get_size(id,*args,&block) if  valid_size?(id)
  return dimensions.send(id,*args,&block) if delegated_instance_methods.include?(id)
  super
end

Class Attribute Details

.regexp_size ⇒ Object (readonly)

Returns the value of attribute regexp_size.



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# File 'lib/flickr_mocks/models/photo_dimensions.rb', line 11

def regexp_size
  @regexp_size
end

Instance Method Details

#==(other) ⇒ Object

compares value for internal state rather than object_id



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# File 'lib/flickr_mocks/models/photo_dimensions.rb', line 54

def ==(other)
  return false unless other.class.should == self.class
  to_s == other.to_s
end

#available_sizes ⇒ Object

returns array of symbols for the sizes available for a given photo



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# File 'lib/flickr_mocks/models/photo_dimensions.rb', line 19

def available_sizes
  map do |dimension|
    dimension.size
  end
end

#collection ⇒ Object

returns a collection of photo sizes that can be used directly for WillPaginate.



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# File 'lib/flickr_mocks/models/photo_dimensions.rb', line 37

def collection
  @collection ||= ::WillPaginate::Collection.create(1, available_sizes.length, available_sizes.length) do |obj|
    obj.replace(dimensions)
  end
  @collection
end

#delegated_instance_methods ⇒ Object

returns the list of methods that are delegated by object



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# File 'lib/flickr_mocks/models/photo_dimensions.rb', line 81

def delegated_instance_methods
  Models::Helpers.array_accessor_methods
end

#dimensions ⇒ Object

returns the array of OpenStruct objects available for the given photo size



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# File 'lib/flickr_mocks/models/photo_dimensions.rb', line 32

def dimensions
  @delegated_to_object
end

#initialize_copy(other) ⇒ Object

compares value for internal state rather than object_id



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# File 'lib/flickr_mocks/models/photo_dimensions.rb', line 86

def initialize_copy(other)
  super
  @delegated_to_object = @delegated_to_object.map do |object|
    object.clone
  end
end

#methods ⇒ Object

returns delegated methods as well as regular methods



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# File 'lib/flickr_mocks/models/photo_dimensions.rb', line 76

def methods
  available_sizes + delegated_instance_methods + old_methods
end

#old_methods ⇒ Object 



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# File 'lib/flickr_mocks/models/photo_dimensions.rb', line 74

alias :old_methods :methods

#old_respond_to? ⇒ Object

metaprogramming methods



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# File 'lib/flickr_mocks/models/photo_dimensions.rb', line 60

alias :old_respond_to? :respond_to?

#possible_sizes ⇒ Object

returns array of symbols for possible sizes of a given photo. Not every photo will have all of the returned sizes.



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# File 'lib/flickr_mocks/models/photo_dimensions.rb', line 27

def possible_sizes
  FlickrMocks::Models::Helpers.possible_sizes
end

#respond_to?(method) ⇒ Boolean

returns true for delegated and regular methods

Returns:

  • (Boolean) 


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# File 'lib/flickr_mocks/models/photo_dimensions.rb', line 63

def respond_to?(method)
  valid_size?(method) || delegated_instance_methods.include?(method) || old_respond_to?(method)
end

#to_s ⇒ Object

returns a string that encodes the size, width and height for the photo. Sample string returned would be:

"small:100x200,large:300x500"   --> ie small photo, width of 100 and lenght of 200



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# File 'lib/flickr_mocks/models/photo_dimensions.rb', line 47

def to_s
  dimensions.map do  |dimension|
    [dimension.size,[dimension.width,dimension.height].join('x')].join(':')
  end.join(',')
end