Class: Lastfmbb

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

Direct Known Subclasses

Album, Artist, Track

Class Method Summary collapse

Class Method Details

.gen_bb(req, string) ⇒ Object 



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# File 'lib/lastfmbb.rb', line 32

def self.gen_bb(req, string)
    xml = REXML::Document.new(string) # REXML representation
    color = "#d51007"
    items = 1

    if (req.method == "user.getTopAlbums")
        req.method = "album"
    elsif (req.method == "user.getTopArtists")
        req.method = "artist"
    elsif (req.method == "user.getTopTracks")
        req.method = "track"
    else
        $stderr.puts("Incorrect method.")
    end

    if (req.period == "7day")
        req.period = "Last 7 days"
    elsif (req.period == "1month")
        req.period = "Last month"
    elsif (req.period == "3month")
        req.period = "Last 3 months"
    elsif (req.period == "6month")
        req.period = "Last 6 months"
    elsif (req.period == "12month")
        req.period = "Last year"
    elsif (req.period == "overall")
        req.period = "Overall"
    else
        $stderr.puts("Incorrect period.")
    end

    result="[align=center][size=11][color="+color+"][b]"+req.user.capitalize+"'s Top " +req.limit.to_s+" "+req.method.capitalize+"s ("+req.period.to_s+"):[/b][/color][/size][/align]"

    xml.elements.each("*/top" + req.method + "s/" + req.method + "") { |e|
        en_name     = e.get_elements("name").first.text
        playcount   = e.get_elements("playcount").first.text
        mbid        = e.get_elements("mbid").first.text
        url         = e.get_elements("url").first.text

        begin
            image_l= e.get_elements("image")[2].text
        rescue NomethododError => ex
            image_l=""
        end

        if (req.method == "album")
            aname       = e.get_elements("artist/name").first.text
            ambid       = e.get_elements("artist/mbid").first.text
            aurl        = e.get_elements("artist/url").first.text
            en = Album.new(en_name, playcount, mbid, url, image_l, aname, ambid, aurl)
        elsif (req.method == "artist")
            streamable  = e.get_elements("streamable").first.text
            en = Artist.new(en_name, playcount, mbid, url, image_l, streamable)
        elsif (req.method == "track")
            streamable  = e.get_elements("streamable").first.text
            aname       = e.get_elements("artist/name").first.text
            ambid       = e.get_elements("artist/mbid").first.text
            aurl        = e.get_elements("artist/url").first.text
            en = Track.new(en_name, playcount, mbid, url, image_l, streamable, aname, ambid, aurl)
        end

        result << "[quote][b]" + items.to_s + ".[/b] "
        if (req.method == "album" || req.method == "track")
            result << "[url=" + en.aurl + "]" + en.aname + "[/url] - [url=" + en.url + "][b]" + en.name + "[/b][/url] (" + en.playcount + ")[/quote][align=center][url=" + en.url + "][img]" + en.image + "[/img][/url][/align]\n"
        elsif (req.method == "artist")
            result << "[url=" + en.url + "]" + en.name + "[/url] (" + en.playcount + ")[/quote][align=center][url=" + en.url + "][img]" + en.image + "[/img][/url][/align]\n"
        end
        items += 1;
    }
    result << "[align=right]Generated on " + Date.today.to_s + "[/align]\n"
    result
end

.load_and_gen(req) ⇒ Object 



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# File 'lib/lastfmbb.rb', line 7

def self.load_and_gen(req)
    string=load_top_last(req)
    bb=gen_bb(req,string)
    bb
end

.load_top_last(req) ⇒ Object 



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# File 'lib/lastfmbb.rb', line 13

def self.load_top_last(req)
    uri = URI.parse('http://ws.audioscrobbler.com/2.0/?method=' + req.method + \
        '&user=' + req.user +          \
        '&period=' + req.period +      \
        '&limit=' + req.limit.to_s +   \
        '&page=' + req.page.to_s +     \
        '&api_key=' + req.api_key)

    http = Net::HTTP.new(uri.host, uri.port)
    request = Net::HTTP::Get.new(uri.request_uri)
    response = http.request(request)

    if (response.code.to_i == 200) # OK
        response.body
    else
        $stderr.puts("Error calling Last.fm API. Expected code 200. Got code " + response.code + ".")
    end
end