feat: 实现 blPlus 函数框架

service/beatleader/user_info.go

@@ -67,3 +67,58 @@ func FetchPlayerData(blID string) (*PlayerData, error) {
 
 	return &playerData, nil
 }
+
+func FetchCountryLeaderboard(country string, aimRank int, userId string) (*PlayerDataLite, error) {
+	url := fmt.Sprintf("https://api.beatleader.com/players?leaderboardContext=general&page=1&count=50&sortBy=pp&mapsType=ranked&ppType=general&order=desc")
+
+	// 创建请求
+	req, err := http.NewRequest("GET", url, nil)
+
+	// 设置请求头
+	req.Header.Set("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:130.0) Gecko/20100101 Firefox/130.0")
+	req.Header.Set("Accept", "application/json, text/plain, */*")
+	req.Header.Set("Accept-Language", "zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2")
+	req.Header.Set("Accept-Encoding", "gzip")
+	req.Header.Set("DNT", "1")
+	req.Header.Set("Connection", "keep-alive")
+	req.Header.Set("Referer", fmt.Sprintf("https://beatleader.xyz/u/%s/scores/date/desc/1", userId))
+	req.Header.Set("Sec-Fetch-Dest", "empty")
+	req.Header.Set("Sec-Fetch-Mode", "cors")
+	req.Header.Set("Sec-Fetch-Site", "same-origin")
+	req.Header.Set("Sec-GPC", "1")
+	req.Header.Set("Pragma", "no-cache")
+	req.Header.Set("Cache-Control", "no-cache")
+	req.Header.Set("TE", "trailers")
+
+	// 发送请求，失败则重试至多3次
+	client := &http.Client{}
+	resp, err := client.Do(req)
+	for i := 0; i < 3 && err != nil; i++ {
+		resp, err = client.Do(req)
+	}
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	// 处理压缩响应
+	var reader io.Reader
+	if resp.Header.Get("Content-Encoding") == "gzip" {
+		reader, err = gzip.NewReader(resp.Body)
+		if err != nil {
+			return nil, err
+		}
+		defer reader.(*gzip.Reader).Close()
+	} else {
+		reader = resp.Body
+	}
+
+	// 解析响应体
+	var playerDataLite PlayerDataLite
+	err = json.NewDecoder(reader).Decode(&playerDataLite)
+	if err != nil {
+		return nil, err
+	}
+
+	return &playerDataLite, nil
+}