Class: RailsDominantColors::Url

Inherits:
Base
  • Object
show all
Defined in:
lib/rails_dominant_colors/url.rb

Constant Summary

Constants inherited from Base

Base::EmptySource, Base::FileNotFound, Base::InvalidBase64, Base::InvalidUrl, Base::NotAnImage, Base::UrlNotFound

Instance Attribute Summary

Attributes inherited from Base

#colors, #source

Instance Method Summary collapse

Methods inherited from Base

#to_hex, #to_hex_alpha, #to_hsl, #to_hsl_alpha, #to_pct, #to_rgb, #to_rgb_alpha

Constructor Details

#initialize(source, colors) ⇒ Url

Returns a new instance of Url.

Raises:



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# File 'lib/rails_dominant_colors/url.rb', line 7

def initialize(source, colors)
  raise(EmptySource) if source.nil? || source.empty?

  super(process(source), colors)
end

Instance Method Details

#process(source) ⇒ Object

Raises:



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# File 'lib/rails_dominant_colors/url.rb', line 13

def process(source)
  raise(InvalidUrl) unless valid_url?(source)

  ri = remote_image(source)
  content_type = ri.content_type.to_sym
  extension = extensions[content_type]

  raise(NotAnImage) if extension.nil?

  tempfile(extension, ri.body)
end