feat: 更新 bl+ 和 bl- 命令的处理逻辑，支持查看当前区服的排名变化，并调整相关提示信息

handler/beatleader/beatleader.go

@@ -26,10 +26,12 @@ func init() {
 	handler.RegisterHandler("最新bl", getMyRecentScore, constants.LEVEL_USER)
 	handler.RegisterHelpInform("最新bl", "beatleader", "最新bl 查看您的最新游戏记录")
 	handler.RegisterFrontMatchHandler("bl+", blPlus, constants.LEVEL_USER)
-	handler.RegisterHelpInform("bl+", "beatleader", "bl+ 查看您需要打多少pp才能达到当前区服的第N名")
+	handler.RegisterHelpInform("bl+n", "beatleader", "查看您需要打多少pp才能达到当前区服的第N名")
-	handler.RegisterHandler("截bl", screenShotBL, constants.LEVEL_USER)
+	handler.RegisterFrontMatchHandler("bl-", blPlus, constants.LEVEL_USER)
-	handler.RegisterHelpInform("截bl", "beatleader", "截bl 截bl 截bl主页截图")
+	handler.RegisterHelpInform("bl-n", "beatleader", "查看落后您N名的玩家需要打多少pp才会超过您")
-	handler.RegisterHandler("jbl", screenShotBL, constants.LEVEL_USER)
+	// handler.RegisterHandler("截bl", screenShotBL, constants.LEVEL_USER)
+	// handler.RegisterHandler("jbl", screenShotBL, constants.LEVEL_USER)
+	// handler.RegisterHelpInform("截bl", "beatleader", "截bl 截bl 截bl主页截图")
 }
 
 func blPlus(msg model.Message) (reply *model.Reply) {
@@ -40,16 +42,31 @@ func blPlus(msg model.Message) (reply *model.Reply) {
 		attempts   = 0
 	)
 	var N int
+	var isPlus bool
+	if strings.HasPrefix(msg.RawMsg, "bl+") {
+		isPlus = true
+	} else if strings.HasPrefix(msg.RawMsg, "bl-") {
+		isPlus = false
+	} else {
+		return &model.Reply{
+			ReplyMsg:       "请输入bl+或bl-",
+			ReferOriginMsg: true,
+			FromMsg:        msg,
+		}
+	}
 	if len(msg.RawMsg) > len("bl+") {
 		N, err = strconv.Atoi(msg.RawMsg[len("bl+"):])
 		if err != nil || N <= 0 {
 			return &model.Reply{
-				ReplyMsg:       "请输入一个正整数",
+				ReplyMsg:       "请输入一个整数",
 				ReferOriginMsg: true,
 				FromMsg:        msg,
 			}
 		}
 	}
+	if !isPlus {
+		N = -N
+	}
 	userIdStr := strconv.Itoa(int(msg.UserId))
 	userBLID, err := scoresaber.GetSSID(userIdStr)
 	if err != nil {
@@ -80,7 +97,7 @@ func blPlus(msg model.Message) (reply *model.Reply) {
 	leaderboard, err := beatleader.FetchCountryLeaderboard(userInfo.Country, userInfo.CountryRank-N, userInfo.ID)
 	if err != nil {
 		return &model.Reply{
-			ReplyMsg:       "获取当前用户所在区对应+N位的玩家列表时出现问题，请稍后重试。" + err.Error(),
+			ReplyMsg:       "获取排行榜时出现问题，请稍后重试。" + err.Error(),
 			ReferOriginMsg: true,
 			FromMsg:        msg,
 		}
@@ -100,7 +117,11 @@ func blPlus(msg model.Message) (reply *model.Reply) {
 			break
 		}
 	}
-	resultStr.WriteString(fmt.Sprintf("您只需要再打出%.2fpp就能达到%s区第%d名。", targetPlayer.PP-userInfo.PP, userInfo.Country, targetPlayer.CountryRank))
+	if isPlus {
+		resultStr.WriteString(fmt.Sprintf("您只需要再打出%.2fpp就能达到%s区第%d名。", targetPlayer.PP-userInfo.PP, userInfo.Country, targetPlayer.CountryRank))
+	} else {
+		resultStr.WriteString(fmt.Sprintf("%s区的第%d名是%s，对面只需要再打出%.2fpp就能超过你。", userInfo.Country, targetPlayer.CountryRank, targetPlayer.Name, userInfo.PP-targetPlayer.PP))
+	}
 	return &model.Reply{
 		ReplyMsg:       resultStr.String(),
 		ReferOriginMsg: true,

handler/scoresaber/score.go

@@ -25,8 +25,10 @@ func init() {
 	handler.RegisterHandler("最新ss", getMyRecentScore, constants.LEVEL_USER)
 	handler.RegisterHelpInform("最新ss", "scoresaber", "查看您的最新游戏记录")
 	handler.RegisterHandler("截ss", screenshotSS, constants.LEVEL_USER)
-	handler.RegisterHelpInform("ss+n", "scoresaber", "区排名升高n位还需要打出多少pp")
+	handler.RegisterHelpInform("ss+n", "scoresaber", "查看您需要打多少pp才能达到当前区服的第N名")
 	handler.RegisterFrontMatchHandler("ss+", ssPlusN, constants.LEVEL_USER)
+	handler.RegisterHelpInform("ss-n", "scoresaber", "查看落后您N名的玩家需要打多少pp才会超过您")
+	handler.RegisterFrontMatchHandler("ss-", ssPlusN, constants.LEVEL_USER)
 }
 
 func ssPlusN(msg model.Message) (reply *model.Reply) {
@@ -37,16 +39,31 @@ func ssPlusN(msg model.Message) (reply *model.Reply) {
 		attempts   = 0
 	)
 	var N int
+	var isPlus bool
+	if strings.HasPrefix(msg.RawMsg, "ss+") {
+		isPlus = true
+	} else if strings.HasPrefix(msg.RawMsg, "ss-") {
+		isPlus = false
+	} else {
+		return &model.Reply{
+			ReplyMsg:       "请输入ss+或ss-",
+			ReferOriginMsg: true,
+			FromMsg:        msg,
+		}
+	}
 	if len(msg.RawMsg) > len("ss+") {
 		N, err = strconv.Atoi(msg.RawMsg[len("ss+"):])
 		if err != nil || N <= 0 {
 			return &model.Reply{
-				ReplyMsg:       "请输入一个正整数",
+				ReplyMsg:       "请输入一个整数",
 				ReferOriginMsg: true,
 				FromMsg:        msg,
 			}
 		}
 	}
+	if !isPlus {
+		N = -N
+	}
 	// 获取当前用户在区中的排名
 	userIdStr := strconv.Itoa(int(msg.UserId))
 	userSSID, err := scoresaber.GetSSID(userIdStr)
@@ -78,7 +95,7 @@ func ssPlusN(msg model.Message) (reply *model.Reply) {
 	leaderboard, err := scoresaber.FetchCountryLeaderboard(userInfo.Country, userInfo.CountryRank-N, userInfo.ID)
 	if err != nil {
 		return &model.Reply{
-			ReplyMsg:       "获取您的分数时出现问题，请稍后重试。" + err.Error(),
+			ReplyMsg:       "获取排行榜时出现问题，请稍后重试。" + err.Error(),
 			ReferOriginMsg: true,
 			FromMsg:        msg,
 		}
@@ -98,7 +115,11 @@ func ssPlusN(msg model.Message) (reply *model.Reply) {
 			break
 		}
 	}
-	resultStr.WriteString(fmt.Sprintf("您只需要再打出%.2fpp就能达到%s区第%d名。", targetPlayer.PP-userInfo.PP, userInfo.Country, targetPlayer.CountryRank))
+	if isPlus {
+		resultStr.WriteString(fmt.Sprintf("您只需要再打出%.2fpp就能达到%s区第%d名。", targetPlayer.PP-userInfo.PP, userInfo.Country, targetPlayer.CountryRank))
+	} else {
+		resultStr.WriteString(fmt.Sprintf("%s区的第%d名是%s，对面只需要再打出%.2fpp就能超过你。", userInfo.Country, targetPlayer.CountryRank, targetPlayer.Name, userInfo.PP-targetPlayer.PP))
+	}
 	return &model.Reply{
 		ReplyMsg:       resultStr.String(),
 		ReferOriginMsg: true,