Class: LoudSongs

Inherits:
Lyrics show all
Defined in:
lib/wiki_lyrics/lyrics_LoudSongs.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_LoudSongs.rb', line 49

def LoudSongs.build_google_feeling_lucky_url( artist, title=nil )
	query = Strings.google_search_quote( title ? artist : artist + " lyrics" )
	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_LoudSongs.rb', line 45

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

.lyrics_test_data ⇒ Object 



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# File 'lib/wiki_lyrics/lyrics_LoudSongs.rb', line 36

def LoudSongs.lyrics_test_data()
	return [
		Request.new( "Radiohead", "Optimistic", "Kid A" ),
		Request.new( "Nirvana", "About a Girl", "Bleach" ),
		Request.new( "Placebo", "Taste in Men", "Black Market Music" ),
		Request.new( "A Perfect Circle", "The Noose", "Thirteen Step" ),
	]
end

.site_host ⇒ Object 



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# File 'lib/wiki_lyrics/lyrics_LoudSongs.rb', line 28

def LoudSongs.site_host()
	return "www.loudson.gs"
end

.site_name ⇒ Object 



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# File 'lib/wiki_lyrics/lyrics_LoudSongs.rb', line 32

def LoudSongs.site_name()
	return "LoudSongs"
end

Instance Method Details

#build_lyrics_fetch_data(request) ⇒ Object 



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# File 'lib/wiki_lyrics/lyrics_LoudSongs.rb', line 55

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_LoudSongs.rb', line 90

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_LoudSongs.rb', line 59

def lyrics_page_valid?( request, page_body, page_url )
	md = /<title>([^<]+) - [^<]+ - ([^<]+) lyrics<\/title>/i.match( page_body )
	return false if ! md
	return	Strings.normalize( md[1] ) == Strings.normalize( request.artist ) &&
			Strings.normalize( md[2] ) == Strings.normalize( request.title )
end

#parse_lyrics(response, page_body) ⇒ Object 



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# File 'lib/wiki_lyrics/lyrics_LoudSongs.rb', line 66

def parse_lyrics( response, page_body )

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

	if (md = /<h1>Lyrics for: ([^<]+) - ([^<]+)<\/h1> <h1>([0-9])+\) ([^<]+)<\/h1>/.match( page_body ))
		response.artist = Strings.titlecase( md[1].strip() )
		response.album = Strings.titlecase( md[2].strip() )
		response.title = Strings.titlecase( md[4].strip() )
		response.custom_data = { "track" => md[3] }
	end

	if (md = /<em>Release Year:<\/em> ?([0-9]{4}) ?<br \/>/.match( page_body ))
		response.year = md[1]
	end

	return if ! page_body.gsub!( /^.*<div class="middle_col_TracksLyrics ?">/i, "" )
	return if ! page_body.gsub!( /<\/div>.*$/i, "" )

	page_body.gsub!( /\ ?<br ?\/?> ?/i, "\n" )

	response.lyrics = page_body

end

#parse_suggestions(request, page_body, page_url) ⇒ Object 



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# File 'lib/wiki_lyrics/lyrics_LoudSongs.rb', line 98

def parse_suggestions( request, page_body, page_url )

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

	suggestions = []

	if page_url.count( "/" ) == 4 # ARTIST PAGE

		return suggestions if ! page_body.sub!( /^.*<ul>/i, "" )
		return suggestions if ! page_body.sub!( /<\/ul>.*$/i, "" )

		page_body.split( /<\/li> ?<li>/ ).each() do |album_entry|
			if (md = /<a href="([^"]+)">/.match( album_entry ))
				suggestions << FetchPageData.new( md[1].downcase() )
			end
		end

	else # page_url.count( "/" ) == 3 # ALBUM PAGE

		return suggestions if ! page_body.sub!( /^.*<ul>/i, "" )
		return suggestions if ! page_body.sub!( /<\/ul>.*$/i, "" )

		HTMLEntities.decode!( page_body )

		page_body.split( /<\/li> ?<li>/ ).each() do |song_entry|
			if (md = /<a href="([^"]+)">[0-9]+. ([^<]+)<\/a>/.match( song_entry ))
				suggestions << Suggestion.new( request.artist, md[2], md[1].downcase() )
			end
		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_LoudSongs.rb', line 94

def suggestions_page_valid?( request, page_body, page_url )
	return page_url.index( "http://#{site_host()}/" ) == 0 # TODO
end