Support QQMusic Translation

Author: Mx-Iris

Sources/LyricsService/Parser/QQMusicQrcDecrypter.swift

@@ -1033,7 +1033,12 @@ enum XMLUtils {
 }
 
 func decryptQQMusicQrc(_ data: String) -> String? {
-    try? QrcDecoder.decode(data)
+    do {
+        return try QrcDecoder.decode(data)
+    } catch {
+        print(error)
+        return nil
+    }
 }
 
 extension Array {

Sources/LyricsService/Provider/QQMusic.swift

@@ -125,6 +125,13 @@ extension LyricsProviders.QQMusic: _LyricsProvider {
                     lrc.metadata.artworkURL = URL(string: "http://imgcache.qq.com/music/photo/album/\(id % 100)/\(id).jpg")
                 }
 
+                if let transEncryptedString = try? xmlDocument.nodes(forXPath: "//contentts").first?.stringValue,
+                   let transDecryptedString = decryptQQMusicQrc(transEncryptedString),
+                   let transLrc = Lyrics(transDecryptedString)
+                {
+                    lrc.merge(translation: transLrc)
+                }
+                
                 // remove their kana tag. we don't need it.
 //                lrc.idTags.removeValue(forKey: .qqMusicKana)
 

Sources/LyricsService/Provider/Service.swift

@@ -31,7 +31,7 @@ extension LyricsProviders.Service {
         #if canImport(Darwin)
         case .syair:    return LyricsProviders.Syair()
         #endif
-        default:        return LyricsProviders.Unsupported()
+//        default:        return LyricsProviders.Unsupported()
         }
     }
 }

Tests/LyricsKitTests/LyricsKitTests.swift

@@ -1,8 +1,8 @@
 import XCTest
 @testable import LyricsService
 
-let testSong = "好久不见"
-let testArtist = "周杰伦"
+let testSong = "Good Time"
+let testArtist = "Owl City"
 let duration = 305.0
 let searchReq = LyricsSearchRequest(searchTerm: .info(title: testSong, artist: testArtist), duration: duration)