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  • better-validation
13 results

API.md

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    • ale's avatar
      b790a71a
      Add missing validations and an availability API endpoint · b790a71a
      ale authored 
      Previously some resource types were not validating requests for
uniqueness (the creation would have failed later, at database commit
time).

The availability API allows unauthenticated callers (i.e. everyone) to
query for existence of a specific resource, or resources that would
conflict with it in the global namespace. It's basically a public
validation check, meant so that applications that let users create
accounts can provide early feedback on availability.
      b790a71a
      History
      Add missing validations and an availability API endpoint
      ale authored 
      Previously some resource types were not validating requests for
uniqueness (the creation would have failed later, at database commit
time).

The availability API allows unauthenticated callers (i.e. everyone) to
query for existence of a specific resource, or resources that would
conflict with it in the global namespace. It's basically a public
validation check, meant so that applications that let users create
accounts can provide early feedback on availability.
    djr.min.js 10.05 KiB 
    djr={};var CHARS="0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz".split("");djr.generateRandomId=function(){var a=[],b=CHARS,c,d=b.length;for(c=0;c<40;c++)a[c]=b[0|Math.random()*d];return a.join("")};djr.Backend=function(){};djr.Backend.prototype.search=function(a,b,c){$.ajax({url:"/json/search",data:{q:a},dataType:"json",type:"GET",context:c||this,success:function(a){b(a.results)}})};djr.Backend.prototype.moreLikeThese=function(a,b,c){$.ajax({url:"/json/morelikethese",data:{h:a.join(",")},dataType:"json",type:"POST",context:c||this,success:function(a){b(a.results)}})};
djr.Backend.prototype.getPlaylist=function(a,b,c){$.ajax({url:"/json/playlist/get/"+a,dataType:"json",type:"GET",context:c||this,success:function(c){b(new djr.PlaylistChunk(c.songs,a))}})};djr.Backend.prototype.savePlaylist=function(a,b){$.ajax({url:"/json/playlist/save",data:{uuid:a,h:b.join(",")},type:"POST"})};djr.Backend.prototype.streamPlaylist=function(a,b,c,d){$.ajax({url:"/json/playlist/stream",data:{uuid:a,stream:b?"y":"n"},dataType:"json",type:"POST",context:d||this,success:function(a){c(a)}})};
djr.Backend.prototype.getHtmlForSongs=function(a,b,c){$.ajax({url:"/fragment/songs",data:{h:a.join(",")},dataType:"html",type:"POST",context:c||this,success:b})};djr.Backend.prototype.nowPlaying=function(a,b){$.ajax({url:"/json/playing",data:{cur:a,prev:b.join(",")},type:"POST"})};djr.Backend.prototype.mostPlayedPlaylist=function(a,b,c){$.ajax({url:"/json/most_played",data:{n:a},dataType:"json",type:"GET",context:c||this,success:function(a){b(a.results)}})};
djr.Backend.prototype.lastPlaylist=function(a,b,c){$.ajax({url:"/json/last_uploaded",data:{n:a},dataType:"json",type:"GET",context:c||this,success:function(a){b(a.results)}})};djr.Backend.prototype.markovPlaylist=function(a,b,c,d){$.ajax({url:"/json/markov",data:{h:b.join(","),n:a},dataType:"json",type:"POST",context:d||this,success:function(a){c(a.results)}})};djr.Backend.prototype.randomPlaylist=function(a,b,c){$.ajax({url:"/json/random",data:{n:a},dataType:"json",type:"GET",context:c||this,success:function(a){b(a.results)}})};djr.PlaylistChunk=function(a,b){this.songs=a||[];this.title=b};djr.PlaylistChunk.prototype.hasSong=function(a){return this.songs.indexOf(a)>=0};djr.PlaylistChunk.prototype.removeSong=function(a){this.songs=$.grep(this.songs,function(b){return b!=a})};djr.controlButtons=function(a){return'<div class="ctlbox" style="display:none"><a id="'+a+'_remove" class="ctl_btn ctl_remove">&nbsp;</a></div>'};
djr.PlaylistChunk.prototype.wrapHtml=function(a,b){return'<div id="chunk_'+a+'" class="chunk"><div class="chunk_ctl_wrap">'+djr.controlButtons("chunk_ctl_"+a)+'<a class="chunk_title">'+this.title+'</a></div><div class="chunk_inner">'+(b||"")+"</div></div>"};djr.Playlist=function(a){this.uuid=a||djr.generateRandomId();this.chunks=[];this.song_map={};this.chunk_map={};this.next_chunk_id=0};
djr.Playlist.prototype.allSongs=function(){var a=[],b,c;for(b=0;b<this.chunks.length;b++)for(c=0;c<this.chunk_map[this.chunks[b]].songs.length;c++)a.push(this.chunk_map[this.chunks[b]].songs[c]);return a};djr.Playlist.prototype.createUniqueChunk=function(a,b){var c=[],d;for(d=0;d<a.length;d++)this.song_map[a[d]]==null&&c.push(a[d]);return c.length>0?new djr.PlaylistChunk(c,b):null};
djr.Playlist.prototype.addChunk=function(a){djr.debug("adding chunk to playlist "+this.uuid);var b,c=this.next_chunk_id++;for(b=0;b<a.songs.length;b++)this.song_map[a.songs[b]]=c;this.chunk_map[c]=a;this.chunks.push(c);return c};djr.Playlist.prototype.getChunkSongs=function(a){return this.chunk_map[a].songs};
djr.Playlist.prototype.removeChunk=function(a){djr.debug("removing chunk "+a);var b=this.chunk_map[a].songs,c;for(c=0;c<b.length;c++)delete this.song_map[b[c]];delete this.chunk_map[a];this.chunks=$.grep(this.chunks,function(b){return b!=a})};djr.Playlist.prototype.removeSong=function(a){djr.debug("removing song "+a);var b=this.song_map[a];this.chunk_map[b].removeSong(a);delete this.song_map[a];return this.chunk_map[b].songs.length==0?(this.removeChunk(b),b):-1};
djr.Playlist.prototype.merge=function(){var a=[],b;for(b=0;b<this.chunks.length;b++)a.push(this.chunk_map[this.chunks[b]].title);a=a.join(" + ");b=new djr.Playlist;b.uuid=this.uuid;b.addChunk(new djr.PlaylistChunk(this.allSongs(),a));return b};djr.Playlist.prototype.getNextSong=function(a){var b=this.song_map[a],c=this.chunk_map[b].songs,b=this.chunks.indexOf(b),a=c.indexOf(a)+1;a>=c.length&&(a=0,b++,b>=this.chunks.length&&(b=0));return this.chunk_map[this.chunks[b]].songs[a]};djr.Player=function(a,b){this.backend=a;this.player=$(b);this.playlist=new djr.Playlist;this.old_songs=[];this.cur_song=null;this.player.jPlayer({swfPath:"/static/js",ready:function(){djr.debug("player ready")}});this.player.bind($.jPlayer.event.ended+".djr",function(){djr.state.player.nextSong()});this.player.bind($.jPlayer.event.error+".djr",function(){djr.state.player.reportError()})};djr.Player.prototype.hideAllChunks=function(){$(".chunk .chunk_inner").hide()};
djr.Player.prototype.removeChunk=function(a){this.playlist.removeChunk(a);this.savePlaylist();$("#chunk_"+a).remove()};djr.Player.prototype.removeSong=function(a){$("#song_"+a).remove();a=this.playlist.removeSong(a);this.savePlaylist();a>0&&$("#chunk_"+a).remove()};djr.Player.prototype.savePlaylist=function(){this.backend.savePlaylist(this.playlist.uuid,this.playlist.allSongs())};djr.Player.prototype.clearPlaylist=function(){this.playlist=new djr.Playlist;$("#playlistDiv").empty()};
djr.Player.prototype.mergePlaylistChunks=function(){this.playlist=this.playlist.merge();var a=[];$(".chunk .chunk_inner").each(function(){a.push($(this).html())});$("#playlistDiv").empty();var b=this.playlist.chunks[0];this.setChunkHtml(this.playlist.chunk_map[b],b,a.join(""))};djr.Player.prototype.search=function(a){var b=this;this.backend.search(a,function(c){var d=[];$.each(c,function(a,b){d.push(b.sha1)});d.length==0?djr.debug("No results found."):b.createChunk(d,a)})};
djr.Player.prototype.lastPlaylist=function(a){var b=this,c="Last "+a+" Songs Uploaded";this.backend.lastPlaylist(a,function(a){a.length==0?djr.debug("No results found."):b.createChunk(a,c)})};djr.Player.prototype.randomPlaylist=function(a){var b=this,c=""+a+" Random Songs ";this.backend.randomPlaylist(a,function(a){a.length==0?djr.debug("No results found."):b.createChunk(a,c)})};
djr.Player.prototype.mostPlayedPlaylist=function(a){var b=this,c=""+a+" Most Played Songs";this.backend.mostPlayedPlaylist(a,function(a){var e=[];$.each(a,function(a,b){e.push(b.sha1)});e.length==0?djr.debug("No results found."):b.createChunk(e,c)})};djr.Player.prototype.extendCurrentPlaylist=function(){var a=this;this.backend.moreLikeThese(this.playlist.allSongs(),function(b){a.createChunk(b,"suggestions")})};
djr.Player.prototype.createChunk=function(a,b){var c=this.playlist.createUniqueChunk(a,b);if(c){this.playlist.chunks.length>1&&this.mergePlaylistChunks();var d=this.playlist.addChunk(c);this.savePlaylist();this.backend.getHtmlForSongs(a,function(a){this.hideAllChunks();this.setChunkHtml(c,d,a)},this)}else djr.debug("All the results are already in the playlist")};
djr.Player.prototype.setChunkHtml=function(a,b,c){a=a.wrapHtml(b,c);$("#playlistDiv").append(a);var d=this,e=$("#chunk_"+b);e.find(".song_a").click(function(){d.play($(this).attr("id").substr(5))});e.find(".album_a").click(function(){d.search('(album:"'+$(this).text()+'")')});e.find(".chunk_title").click(function(){e.find(".chunk_inner").toggle()});e.hover(function(){$(this).find(".chunk_ctl_wrap .ctlbox").show()},function(){$(this).find(".chunk_ctl_wrap .ctlbox").hide()});e.find(".chunk_ctl_wrap .ctlbox .ctl_remove").click(function(){djr.debug("removing chunk "+
b);d.removeChunk(b)});e.find(".chunk_inner .song").hover(function(){$(this).find(".ctlbox").show()},function(){$(this).find(".ctlbox").hide()});e.find(".chunk_inner .ctlbox .ctl_remove").click(function(){var a=$(this).parent().parent().attr("id").substr(5);d.removeSong(a)})};
djr.Player.prototype.play=function(a){djr.debug("play "+a);this.cur_song&&(this.old_songs.push(this.cur_song),this.old_songs.length>5&&this.old_songs.shift());this.cur_song=a;$(".song").removeClass("playing");$("#song_"+a).addClass("playing");this.player.jPlayer("setMedia",{mp3:"/dl/"+a}).jPlayer("play");var b=$("#song_"+a+" .artist").text(),c=$("#song_"+a+" .album").text();$("#jp_playlist_1").html($("#song_"+a+" .title").text()+"<br>"+b+"<br><small>"+c+"</small>");b="/album_image/"+escape(b)+"/"+
escape(c);$("#albumart_fs").attr("src",b);$("#albumart_fs").fullBg();$("#albumart_fs").show();this.backend.nowPlaying(a,this.old_songs)};djr.Player.prototype.nextSong=function(){this.play(this.playlist.getNextSong(this.cur_song))};djr.Player.prototype.streamCurrentPlaylist=function(){};djr.state={backend:null,player:null};
djr.init=function(){djr.state.backend=new djr.Backend;djr.state.player=new djr.Player(djr.state.backend,"#djr_player");$("#playlistClearBtn").click(function(){djr.state.player.clearPlaylist()});$("#playlistStreamBtn").click(function(){djr.state.player.streamCurrentPlaylist()});$("#playlistExtendBtn").click(function(){djr.state.player.extendCurrentPlaylist()});$("#playlistLast25").click(function(){djr.state.player.lastPlaylist(25)});$("#playlistRandom").click(function(){djr.state.player.randomPlaylist(25)});
$("#playlistMost").click(function(){djr.state.player.mostPlayedPlaylist(25)});$("#wikibtn").click(function(){var a=$("#song_"+djr.state.player.cur_song+" .title").text();$("#wikipedia").display=="none"?a!=""&&(a=a.split(" ").join("+"),$("#wikipedia").attr("src","/ext?url="+escape("http://en.wikipedia.org/wiki/Special:Search?search="+a+"&go=Go")),window.frames.wikipedia.location.reload(),$("#wikipedia").show()):$("#wikipedia").attr("display","none")});$("#googlebtn").click(function(){var a=$("#song_"+
djr.state.player.cur_song+" .title").text();$("#google").display=="none"?a!=""&&(a=a.split(" ").join("+"),$("#google").attr("src","/ext?url="+escape("http://www.google.ie/#hl=en&q="+a)),window.frames.google.location.reload(),$("#google").show()):$("#google").attr("display","none")});$("#albumart_fs").load(function(){$(this).fullBg();$(this).show()})};djr.player=function(){return djr.state.player};djr.debug=function(a){$("#debug").append(a+"<br>")};