Built-in Last.fm TOP playlists

app/assets/javascripts/player.coffee

@@ -58,13 +58,13 @@ class window.Player
       s = len - Math.floor(len / 60) * 60
       duration = m + ':' + (if s < 10 then '0' else '') + s
       item_class = (if item.available == false then 'unavailable' else '')
-      $('.playlist').append '
-      <li id="i' +Math.round(Math.random() * 999999)+ '" data-id="'+item.id+'" class="'+item_class+'">
-        <div class="song-duration">' +duration+ '</div>
-        <div class="label important remove">remove</div>
-        <div class="artist-name">' +item.artist+ '</div>
-        <div class="song-title">' +item.name+ '</div>
-      </li>'
+      $('.playlist').append "
+      <li id='i#{Math.round(Math.random() * 999999)}' data-id='#{item.id}' class='#{item_class}'>
+        <div class='song-duration'>#{duration}</div>
+        <div class='label important remove'>remove</div>
+        <div class='artist-name'><a class='data artist'>#{item.artist}</a></div>
+        <div class='song-title'>#{item.name}</div>
+      </li>"
       _player.playlist.push item
     $('.playlist').sortable axis: 'y', cursor: 'move'
     if initial_count == 0 and not _player.hasTrack()
@@ -282,3 +282,11 @@ $('.set-playlist').live 'click', ->
     _search.hideSpinner()
     false
   false
+  
+$('.dynamic-playlist')  .live 'click', ->
+  _search.showSpinner()
+  $.get "/playlist/#{$(this).data('playlist')}", (playlist) ->
+    _player.setPlaylist playlist
+    _search.hideSpinner()
+    false
+  false

app/assets/javascripts/vksearch/vkontakte_search.coffee

@@ -14,7 +14,7 @@ class window.VkontakteMusic
     if @query_results[query]? and not return_all
       callback @query_results[query]
     that = this
-    VK.Api.call 'audio.search', q: query, (r) ->
+    VK.Api.call 'audio.search', q: query, count: 200, (r) ->
       results = that.range r.response, artist, track, duration
       top_result = null
       if results.length > 0

app/assets/stylesheets/albums.scss

@@ -22,7 +22,7 @@
   display: block;
   margin: 1px 0;
 }
-.set-playlist {
+.set-playlist, .dynamic-playlist {
   float: right;
   cursor: pointer;
 }

app/assets/stylesheets/misc.scss

@@ -29,3 +29,8 @@
 table.stats {
   width: 50%;
 }
+
+.data.artist {
+  color: inherit;
+  cursor: pointer;
+}

app/controllers/application_controller.rb

@@ -23,6 +23,10 @@ class ApplicationController < ActionController::Base
     render partial: 'stat'
   end
   
+  def cache_for time
+    response.headers['Cache-Control'] = 'public, max-age=' + time.seconds.to_s
+  end
+  
 protected
   
   def authorize

app/controllers/artist_controller.rb

@@ -32,7 +32,6 @@ class ArtistController < ApplicationController
       return render json: { status: 'fail', html: render_compact_partial(:fail) }
     end
     
-    # response.headers['Cache-Control'] = 'public, max-age='+1.week.seconds.to_s
     render json: {
       status: @artist.status_str,
       artist: @artist,

app/controllers/last_fm_controller.rb

@@ -80,7 +80,7 @@ class LastFmController < ApplicationController
   end
   
   def self.top_playlist artist
-    playlist = Playlist.create(name: "#{artist.name}: Last.fm TOP")
+    playlist = Playlist.create(name: "#{artist.name}: Last.fm TOP", artist: artist)
     LastFM::Artist.get_top_tracks(artist: artist.name)["toptracks"]["track"].each do |track|
       tracks = Track.joins(:album, :artists).where(name: track["name"], "track_artists.artist_id" => artist.id)
       PlaylistItem.create(playlist_id: playlist.id, track_id: tracks.first.id) unless tracks.empty?

app/controllers/playlist_controller.rb

@@ -3,4 +3,18 @@ class PlaylistController < ApplicationController
     @playlist = Playlist.find_by_id(params[:id])
     render json: @playlist, include: { playlist_items: { include: { track: { include: { artists: {} }}}}}
   end
+  
+  def lastfm_top50
+    artist = Artist.find_by_id(params[:id])
+    return if artist.nil?
+    
+    playlist = Playlist.new(name: "#{artist.name}: Last.fm TOP 50", artist: artist)
+    LastFM::Artist.get_top_tracks(artist: artist.name)["toptracks"]["track"].each do |track|
+      tracks = Track.joins(:album, :artists).where(name: track["name"], "track_artists.artist_id" => artist.id)
+      playlist.playlist_items << PlaylistItem.new(track_id: tracks.first.id) unless tracks.empty?
+    end
+    
+    cache_for 1.week
+    render json: playlist, include: { playlist_items: { include: { track: { include: { artists: {} }}}}}
+  end
 end

app/models/beathaven/playlist.rb

@@ -1,5 +1,5 @@
 class Playlist < ActiveRecord::Base
   belongs_to :user
   belongs_to :artist
-  has_many :playlist_items
+  has_many :playlist_items, dependent: :destroy
 end

app/views/artist/_page.html.haml

@@ -18,11 +18,15 @@
             %a.foreign-link{ href: service.url, target: '_blank' }
               = image_tag 'services/'+service.service+(service.service == 'official_homepage' ? '.png' : '.ico')
 
-- unless @artist.playlists.empty?
-  .row
+.row
   .span7.offset4
     %h3= t('player.playlists')
     %table.zebra-striped
+      %tr
+        %td
+          %span.label.success.dynamic-playlist{ href: "", 'data-playlist' => "lastfm-top50/#{@artist.id}" }= t('player.set_playlist')
+          %a.playlist-name{ href: "", 'data-playlist' => "lastfm-top50/#{@artist.id}" }= "#{@artist.name}: Last.fm TOP"
+      - @artist.playlists.each do |playlist|
         %tr
           - @artist.playlists.each do |playlist|
             %td

config/routes.rb

@@ -16,6 +16,7 @@ Beathaven::Application.routes.draw do
   match 'track/report' => 'track#report_unavailable'
   
   match 'playlist/(:id)' => 'playlist#data'
+  match 'playlist/lastfm-top50/(:id)' => 'playlist#lastfm_top50'
   
   match 'settings' => 'user#settings'