Class: Profound::Input

Inherits:
Object
  • Object
show all
Defined in:
lib/profound.rb

Defined Under Namespace

Classes: EmptyQueryResult

Constant Summary collapse

Keywords = 
[
  'forest', 'jungle', 'prairie', 'fields', 'flowers' 'beach', 'city', 'skyline',
  'trail', 'lake', 'sky', 'sunrise', 'dawn', 'dusk', 'scenery', 'island', 'kitten', 'horse', 'puppy'
]
Qualifiers = 
[
  'beautiful', 'gorgeous', 'magnificient', 'superb', nil
]

Instance Method Summary collapse

Constructor Details

#initialize(source, options = {}) ⇒ Input

Returns a new instance of Input.



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# File 'lib/profound.rb', line 40

def initialize(source, options = {})
  @source = source || [Qualifiers.sample, Keywords.sample].join(" ")
  @options = options
end

Instance Method Details

#download ⇒ Object 



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# File 'lib/profound.rb', line 49

def download
  image = search

  response = Net::HTTP.get_response(URI.parse(image.uri))

  tmp = Tempfile.new("profound")
  tmp.write(response.body)
  tmp.rewind
  tmp.path
end

#path ⇒ Object 



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# File 'lib/profound.rb', line 45

def path
  File.exists?(@source) ? @source : download
end

#search ⇒ Object

Raises:



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# File 'lib/profound.rb', line 60

def search
  query = [@source, [@options[:width], @options[:height]].compact.join("x")].join(" ")
  image = Google::Search::Image.new(:query => query, :image_size => :huge, :file_type => :jpg).select{ |img|
    (@options[:width].nil? || @options[:width].to_s == img.width.to_s) &&
    (@options[:height].nil? || @options[:height].to_s == img.height.to_s)
  }.sample

  raise EmptyQueryResult, "Could not find images matching #{query}" unless image

  image
end