Class: LyricsMania

Inherits:
Lyrics show all
Defined in:
lib/wiki_lyrics/lyrics_LyricsMania.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?, known_url?, #log, #log?, #logger=, #lyrics_direct_search, #lyrics_from_suggestions, #lyrics_from_url, #lyrics_full_search, #lyrics_test_data, #notify, #site_host, #site_name, #suggestions, #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/wiki_lyrics/lyrics_LyricsMania.rb', line 50

def LyricsMania.build_google_feeling_lucky_url( artist, title=nil )
	query =  Strings.google_search_quote( artist )
	query << " " << Strings.google_search_quote( title + " lyrics" ) if title
	return Strings.build_google_feeling_lucky_url( query, site_host() )
end

.build_song_add_url(request) ⇒ Object 



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# File 'lib/wiki_lyrics/lyrics_LyricsMania.rb', line 46

def LyricsMania.build_song_add_url( request )
	return "http://#{site_host()}/add.html"
end

.lyrics_test_data ⇒ Object 



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# File 'lib/wiki_lyrics/lyrics_LyricsMania.rb', line 37

def LyricsMania.lyrics_test_data()
	return [
		Request.new( "Nirvana", "Lounge Act", "Nevermind" ),
		Request.new( "Radiohead", "Idioteque", "Kid A" ),
		Request.new( "Pearl Jam", "Porch", "Ten" ),
		Request.new( "The Smashing Pumpkins", "Mayonaise", "Siamese Dream" ),
	]
end

.site_host ⇒ Object 



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# File 'lib/wiki_lyrics/lyrics_LyricsMania.rb', line 29

def LyricsMania.site_host()
	return "www.lyricsmania.com"
end

.site_name ⇒ Object 



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# File 'lib/wiki_lyrics/lyrics_LyricsMania.rb', line 33

def LyricsMania.site_name()
	return "LyricsMania"
end

Instance Method Details

#build_lyrics_fetch_data(request) ⇒ Object 



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# File 'lib/wiki_lyrics/lyrics_LyricsMania.rb', line 56

def build_lyrics_fetch_data( request )
	return FetchPageData.new( build_google_feeling_lucky_url( request.artist, request.title ) )
end

#build_suggestions_fetch_data(request) ⇒ Object 



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# File 'lib/wiki_lyrics/lyrics_LyricsMania.rb', line 108

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

#lyrics_page_valid?(request, page_body, page_url) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/wiki_lyrics/lyrics_LyricsMania.rb', line 60

def lyrics_page_valid?( request, page_body, page_url )
	md = /<title>([^<]+) Lyrics<\/title>/i.match( page_body )
	return false if ! md
	page_title = Strings.normalize( md[1] )
	return	page_title.index( Strings.normalize( request.artist ) ) &&
			page_title.index( Strings.normalize( request.title ) )
end

#parse_lyrics(response, page_body) ⇒ Object 



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# File 'lib/wiki_lyrics/lyrics_LyricsMania.rb', line 68

def parse_lyrics( response, page_body )

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

	return if ! page_body.sub!( /^.* lyrics<\/h3>/, "" ) # metadata

	metadata = {}
	["artist", "album"].each() do |key|
		if (md =/#{key}: <b><a href=[^>]+>([^<]+)<\/a><\/b>/i.match( page_body ))
			metadata[key.downcase()] = md[1].strip().sub( /\ *lyrics$/, "" )
		end
	end
	["year", "title"].each() do |key|
		if (md =/#{key}: ([^<]+)<(br|\/td)>/i.match( page_body ))
			metadata[key.downcase()] = md[1].strip()
		end
	end

	response.artist = metadata["artist"] if metadata.include?( "artist" )
	response.title = metadata["title"] if metadata.include?( "title" )
	response.album = metadata["album"] if metadata.include?( "album" )
	response.year = metadata["year"] if metadata.include?( "year" )

	md = /<\/span> ?<\/center>(.*)<center> ?<span style/.match( page_body )
	return if ! md

	page_body = md[1]
	page_body.sub!( /&#91;.+ Lyrics on http:\/\/#{site_host()}\/ &#93;/, "" )
	page_body.sub!( /^.*<\/a>/, "" ) # additional (optional) crap at the beginning
	page_body.gsub!( /<u>&lt;a[^<]+&lt;\/a&gt;<\/u>/, "" ) # yet more crap
	page_body.gsub!( /\ ?<br ?\/?> ?/i, "\n" )
	page_body.sub!( /^\ ?<strong>Lyrics to [^<]+<\/strong> :<\/?br> */i, "" )

	page_body.strip!()

	response.lyrics = page_body

end

#parse_suggestions(request, page_body, page_url) ⇒ Object

returns an array of maps with following keys: url, artist, title



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# File 'lib/wiki_lyrics/lyrics_LyricsMania.rb', line 118

def parse_suggestions( request, page_body, page_url )

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

	suggestions = []

	# remove table with other artists at the bottom
	return suggestions if ! page_body.sub!( /(.*)<table.*/, "\\1" )

	md = /<table width=100%>(.*)<\/table>/.match( page_body )
	return suggestions if ! md

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

	return suggestions

end

#suggestions_page_valid?(request, page_body, page_url) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/wiki_lyrics/lyrics_LyricsMania.rb', line 112

def suggestions_page_valid?( request, page_body, page_url )
	md = /<title>([^<]+) Lyrics<\/title>/i.match( page_body )
	return md ? Strings.normalize( md[1] ).index( Strings.normalize( request.artist ) ) : nil
end