feat: add translated and phonetic lyric previews

qq_test.go

@@ -2,6 +2,8 @@ package main
 
 import (
 	"bytes"
+	"encoding/base64"
+	"encoding/json"
 	"net/http"
 	"net/http/httptest"
 	"strings"
@@ -15,6 +17,49 @@ func TestUnwrapJSONP(t *testing.T) {
 	}
 }
 
+func TestQQClientMusicuLyricsRequestsTranslationAndPhonetics(t *testing.T) {
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.Method != http.MethodPost || r.Header.Get("Content-Type") != "application/json" {
+			t.Fatalf("unexpected request: %s %s", r.Method, r.Header.Get("Content-Type"))
+		}
+		var body struct {
+			Request struct {
+				Module string `json:"module"`
+				Method string `json:"method"`
+				Param  struct {
+					MID   string `json:"songMID"`
+					Trans int    `json:"trans"`
+					Roma  int    `json:"roma"`
+					QRC   int    `json:"qrc"`
+				} `json:"param"`
+			} `json:"req_1"`
+		}
+		if err := json.NewDecoder(r.Body).Decode(&body); err != nil {
+			t.Fatal(err)
+		}
+		if body.Request.Module != "music.musichallSong.PlayLyricInfo" || body.Request.Method != "GetPlayLyricInfo" || body.Request.Param.MID != "0004jPDk2eB2dt" {
+			t.Fatalf("unexpected request body: %#v", body)
+		}
+		if body.Request.Param.Trans != 1 || body.Request.Param.Roma != 1 || body.Request.Param.QRC != 0 {
+			t.Fatalf("required lyric variants were not requested: %#v", body.Request.Param)
+		}
+		lyric := base64.StdEncoding.EncodeToString([]byte("[00:01.00]原文"))
+		trans := base64.StdEncoding.EncodeToString([]byte("[00:01.00]translation"))
+		_, _ = w.Write([]byte(`{"code":0,"req_1":{"code":0,"data":{"lyric":"` + lyric + `","trans":"` + trans + `"}}}`))
+	}))
+	defer server.Close()
+
+	client := newQQClient()
+	client.musicuEndpoint = server.URL
+	result, err := client.musicuLyrics("0004jPDk2eB2dt")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if result.Lyric != "[00:01.00]原文" || result.Trans != "[00:01.00]translation" {
+		t.Fatalf("unexpected lyrics: %#v", result)
+	}
+}
+
 func TestQQClientSearchUsesFixedShape(t *testing.T) {
 	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		if r.Header.Get("Origin") != "https://y.qq.com" || r.Header.Get("Referer") != "https://y.qq.com/" {
@@ -44,8 +89,8 @@ func TestQQClientRejectsOversizedResponse(t *testing.T) {
 	}))
 	defer server.Close()
 	client := newQQClient()
-	client.lyricsEndpoint = server.URL
-	_, err := client.Lyrics("0004jPDk2eB2dt")
+	client.musicuEndpoint = server.URL
+	_, err := client.musicuLyrics("0004jPDk2eB2dt")
 	if err == nil || !strings.Contains(err.Error(), "safety limit") {
 		t.Fatalf("expected response limit error, got %v", err)
 	}