Merge

2011-10-05 21:15:57 +04:00
parent 03ca130524
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+Copyright (c) 2011 Gregory Eremin
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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+# Vkontakte (VK.com) API music search tool
+
+Don't forget to log in to [vk.com API](http://vk.com/developers.php?oid=-17680044&p=Open_API)
+
+### CoffeeScript example
+```coffeescript
+vk_music = new VkontakteMusic
+vk_music.search "Kasabian", "L.S.F. (Lost Souls Forever)", "2:17", (url) ->
+  audio = document.createElement "audio"
+  audio.setAttribute "src", url
+  document.getElementsByTagName("body")[0].appendChild audio
+  audio.play()
+  false
+```
+
+### JavaScript example
+```javascript
+var vk_music;
+vk_music = new VkontakteMusic;
+vk_music.search("Kasabian", "L.S.F. (Lost Souls Forever)", "2:17", function(url) {
+  var audio;
+  audio = document.createElement("audio");
+  audio.setAttribute("src", url);
+  document.getElementsByTagName("body")[0].appendChild(audio);
+  audio.play();
+  return false;
+});
+```
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+/*
+ * Vkontakte (VK.com) API music search tool
+ * https://github.com/magnolia-fan/vkontakte_music_search
+ *
+ * Copyright 2011, Gregory Eremin
+ * Licensed under the MIT license.
+ * https://raw.github.com/magnolia-fan/vkontakte_music_search/master/LICENSE
+ */
+var VkontakteMusic;VkontakteMusic=function(){function a(){}return a.prototype.query_results={},a.prototype.search=function(a,b,c,d,e){var f,g;return e==null&&(e=!1),f=this.prepareQuery(a,b),this.query_results[f]!=null&&!e&&d(this.query_results[f]),g=this,VK.Api.call("audio.search",{q:f},function(h){var i,j;return i=g.range(h.response,a,b,c),j=null,i.length>0&&(j=i[0].url),g.query_results[f]=i,d(e?i:j)})},a.prototype.range=function(a,b,c,d){var e,f,g,h,i;typeof d=="string"&&(d=d.split(":"),d=parseInt(d[0],10)*60+parseInt(d[1],10));for(f=0,i=a.length;f<i;f++){g=a[f];if(typeof g!="object")continue;g.score=0,g.artist=this.trim(g.artist),g.title=this.trim(g.title),h=0,g.artist.length>0&&(g.artist===b?h+=10:g.artist.split(b).length===2?h+=5:g.title.split(b).length===2&&(h+=4)),g.artist.length>0&&(g.title===c?h+=10:g.title.split(c).length===2&&(h+=5)),parseInt(g.duration,10)===d?h+=15:(e=Math.abs(parseInt(g.duration,10)-d),e<10&&(h+=10-e)),a[f].score=h}return a.length>0&&typeof a[0]!="object"&&(a.splice(0,1),a.sort(function(a,b){return b.score-a.score})),a},a.prototype.prepareQuery=function(a,b){return a+" "+b.replace(/\(.*\)/i,"").split("/")[0]},a.prototype.trim=function(a){while(a.indexOf("  ")!==-1)a=a.replace("  "," ");return a.charAt(0)===" "&&(a=a.substring(1)),a.charAt(a.length-1)===" "&&(a=a.substring(0,a.length-1)),a},a}()
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+###
+ * Vkontakte (VK.com) API music search tool
+ * https://github.com/magnolia-fan/vkontakte_music_search
+ *
+ * Copyright 2011, Gregory Eremin
+ * Licensed under the MIT license.
+ * https://raw.github.com/magnolia-fan/vkontakte_music_search/master/LICENSE
+ ###
+class window.VkontakteMusic
+  query_results: {}
+  
+  search: (artist, track, duration, callback, return_all = false) ->
+    query = this.prepareQuery artist, track
+    if @query_results[query]? and not return_all
+      callback @query_results[query]
+    that = this
+    VK.Api.call 'audio.search', q: query, (r) ->
+      results = that.range r.response, artist, track, duration
+      top_result = null
+      if results.length > 0
+        top_result = results[0].url
+      that.query_results[query] = results
+      callback if return_all then results else top_result
+  
+  range: (data, artist, track, duration) ->
+    if typeof duration is 'string'
+      duration = duration.split ':'
+      duration = parseInt(duration[0], 10) * 60 + parseInt(duration[1], 10)
+    for item, i in data
+      if typeof item isnt 'object'
+        continue
+      item.score = 0;
+      item.artist = this.trim(item.artist);
+      item.title = this.trim(item.title);
+      score = 0
+      if item.artist.length > 0
+        if item.artist == artist
+          score += 10
+        else if item.artist.split(artist).length is 2
+          score += 5
+        else if item.title.split(artist).length is 2
+          score += 4
+      if item.artist.length > 0
+        if item.title == track
+          score += 10
+        else if item.title.split(track).length is 2
+          score += 5
+      if parseInt(item.duration, 10) == duration
+        score += 15
+      else
+        delta = Math.abs parseInt(item.duration, 10) - duration
+        score += (10 - delta) if delta < 10
+      data[i].score = score
+    if data.length > 0 and typeof data[0] isnt 'object'
+      data.splice 0, 1
+      data.sort (a, b) ->
+        b.score - a.score
+    data
+  
+  prepareQuery: (artist, track) ->
+    artist+" "+track.replace(/\(.*\)/i, '').split('/')[0]
+  
+  trim: (str) ->
+    while str.indexOf('  ') isnt -1
+      str = str.replace '  ', ' '
+    if str.charAt(0) is ' '
+      str = str.substring 1
+    if str.charAt(str.length - 1) is ' '
+      str = str.substring 0, str.length - 1
+    str