Class: TerraLetras

Inherits:
Lyrics show all
Defined in:
lib/lyrics/lyrics_TerraLetras.rb

Instance Attribute Summary

Attributes inherited from Lyrics

#cleanup_lyrics

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Lyrics

#build_google_feeling_lucky_url, #build_song_add_url, #decrease_tabulation_level, #fetch_lyrics_page, #fetch_suggestions_page, #increase_tabulation_level, #initialize, #known_url?, #log, #log?, #logger=, #lyrics_direct_search, #lyrics_from_suggestions, #lyrics_from_url, #lyrics_full_search, #lyrics_page_valid?, #lyrics_test_data, #notify, #site_host, #site_name, #suggestions, #suggestions_page_valid?, #suggestions_test_data, suggestions_test_data, #verbose_log?

Constructor Details

This class inherits a constructor from Lyrics

Class Method Details

.build_google_feeling_lucky_url(artist, title = nil) ⇒ Object 



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# File 'lib/lyrics/lyrics_TerraLetras.rb', line 55

def TerraLetras.build_google_feeling_lucky_url( artist, title=nil )
	if title
		query = Strings.google_search_quote( "#{title} letra" )
		query << " "
		query << Strings.google_search_quote( artist )
	else
		query = Strings.google_search_quote( "letras de #{artist}" )
		query << " "
		query << Strings.google_search_quote( "#{artist} letras" )
	end
	return Strings.build_google_feeling_lucky_url( query, site_host() )
end

.build_song_add_url(request) ⇒ Object 



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# File 'lib/lyrics/lyrics_TerraLetras.rb', line 51

def TerraLetras.build_song_add_url( request )
	return "http://#{site_host()}/envie_artista.php"
end

.known_url?(url) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/lyrics/lyrics_TerraLetras.rb', line 38

def TerraLetras.known_url?( url )
	return url.index( "http://#{site_host}" ) == 0 || /^http:\/\/.*\.letras\.terra\.com\.br\/letras\/[0-9]+/.match( url )
end

.lyrics_test_data ⇒ Object 



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# File 'lib/lyrics/lyrics_TerraLetras.rb', line 42

def TerraLetras.lyrics_test_data()
	return [
		Request.new( "The Cranberries", "Linger", "Everybody Else Is Doing It, So Why Can't We?" ),
		Request.new( "Radiohead", "Optimistic", "Kid A" ),
		Request.new( "Mark Lanegan", "One Way Street", "Field Songs" ),
		Request.new( "U2", "One", "Achtung Baby" ),
	]
end

.site_host ⇒ Object 



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# File 'lib/lyrics/lyrics_TerraLetras.rb', line 30

def TerraLetras.site_host()
	return "letras.terra.com.br"
end

.site_name ⇒ Object 



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# File 'lib/lyrics/lyrics_TerraLetras.rb', line 34

def TerraLetras.site_name()
	return "Terra Letras"
end

Instance Method Details

#build_lyrics_fetch_data(request) ⇒ Object 



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# File 'lib/lyrics/lyrics_TerraLetras.rb', line 68

def build_lyrics_fetch_data( request )
	artist = Strings.utf82latin1( request.artist )
	title  = Strings.utf82latin1( request.title )
	return FetchPageData.new( "http://#{site_host()}/winamp.php?musica=#{CGI.escape(title)}&artista=#{CGI.escape(artist)}" )
end

#build_suggestions_fetch_data(request) ⇒ Object 



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# File 'lib/lyrics/lyrics_TerraLetras.rb', line 102

def build_suggestions_fetch_data( request )
	return FetchPageData.new( build_google_feeling_lucky_url( request.artist ) )
end

#parse_lyrics(response, page_body) ⇒ Object 



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# File 'lib/lyrics/lyrics_TerraLetras.rb', line 74

def parse_lyrics( response, page_body )

	page_body = Strings.latin12utf8( page_body )
	page_body.tr_s!( " \n\r\t", " " )

	if response.url.index( "http://#{site_host}/winamp.php?" ) == 0 # direct fetch
		if (md = /<h1><a href='[^']+' target='_blank'>([^<]+)<\/a><\/h1>/.match( page_body ))
			response.title = md[1]
		end
		if (md = /<h2><a href='[^']+' target='_blank'>([^<]+)<\/a><\/h2>/.match( page_body ))
			response.artist = md[1]
		end
		return if ! page_body.gsub!( /^.*corrigir letra<\/a><\/p><p>/, "" )
		return if ! page_body.gsub!( /<\/p>.*$/, "" )
	else # fetched from suggestions/url
		if (md = /<h2>([^<]+)<\/h2> <h2 id='sz'>([^<]+)<\/h2>/.match( page_body ))
			response.title, response.artist = md[1], md[2]
		end
		return if ! page_body.sub!( /^.*<p id='cmp'>[^<]*<\/p> <p>/, "" )
		return if ! page_body.sub!( /<\/p>.*/, "" )
	end

	page_body.gsub!( /\ ?<br ?\/?> ?/i, "\n" )
	page_body.gsub!( /\n{3,}/, "\n\n" )
	response.lyrics = page_body

end

#parse_suggestions(request, page_body, page_url) ⇒ Object 



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# File 'lib/lyrics/lyrics_TerraLetras.rb', line 106

def parse_suggestions( request, page_body, page_url )

	page_body = Strings.latin12utf8( page_body )
	page_body.tr_s!( " \n\r\t", " " )
	HTMLEntities.decode!( page_body )

	suggestions = []

	return suggestions if ! page_body.gsub!( /^.*<ul class='top' id='bgn'>/, "" )
	return suggestions if ! page_body.gsub!( /<\/ul>.*$/, "" )

	page_body.split( /<\/li> ?<li>/ ).each do |entry|
		if (md = /<a href="([^"]+)">([^<]+) - ([^<]+)<\/a>/.match( entry ))
			suggestions << Suggestion.new( md[2], md[3], "http://#{site_host()}#{md[1]}" )
		end
	end

	return suggestions

end