Class: EchoNest::Artist

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

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(id = nil) ⇒ Artist

Returns a new instance of Artist.



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# File 'lib/echonest/artist.rb', line 6

def initialize(id=nil)
  @id = id if id
end

Instance Attribute Details

#id ⇒ Object

Returns the value of attribute id.



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# File 'lib/echonest/artist.rb', line 4

def id
  @id
end

Class Method Details

.find(query, options = {}) ⇒ Object 



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# File 'lib/echonest/artist.rb', line 54

def self.find(query, options={})
  options = {:query => query}.merge(options)
  request = ApiRequest.new("search_artists", options)
  results = Xml::ArtistSearchResults.parse(request.fetch)
  results.artists
end

.service(name, options = {}) ⇒ Object 



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# File 'lib/echonest/artist.rb', line 10

def self.service(name, options = {})

  define_method "get_#{name.to_s}" do |*args|
    options = args[0] if args.length == 1
    options = {:id => id}.merge(options)
    request = ApiRequest.new("get_#{name.to_s}", options)
    "Xml::#{name.to_s.titleize}Result".constantize.parse request.fetch
  end

  if !options[:singular]
    define_method name do
      return instance_variable_get("@#{name.to_s}") if instance_variable_get("@#{name.to_s}")
      result = self.send("get_#{name.to_s}")
      pager = Proc.new { |start, rows| 
        self.send("get_#{name.to_s}", :start => start, :rows => rows).results
      }
      page = PagedResult.new result.results, pager 
      instance_variable_set("@#{name.to_s}",  page)
    end
  else
    if !options[:provides]
      define_method name do
        return instance_variable_get("@#{name.to_s}") if instance_variable_get("@#{name.to_s}")
        result = self.send("get_#{name.to_s}")
        instance_variable_set("@#{name.to_s}", result.artist.send(name))
      end
    else

      define_method name do
        return instance_variable_get("@#{name.to_s}") if instance_variable_get("@#{name.to_s}")
        result = self.send("get_#{name.to_s}")
        instance_variable_set("@#{name.to_s}", result.artist)
      end

      options[:provides].each do |prop|
        define_method prop do
          return instance_variable_get("@#{prop.to_s}") if instance_variable_get("@#{prop.to_s}")
          instance_variable_set("@#{prop.to_s}",  self.send(name).send(prop))
        end
      end
    end
  end    
end