Assets compiling ok

2011-10-05 16:04:32 +04:00
parent d46478e0c2
commit 17daa85124
4 changed files with 169 additions and 2 deletions
@@ -0,0 +1,70 @@
+###
+ * 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