refactor: 修改 GetScore 函数以返回当前和历史玩家数据，优化 getMyBL 函数中的结果处理逻辑

service/beatleader/model.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"log"
 	"os"
+	"strings"
 	"time"
 
 	"git.lxtend.com/qqbot/message"
@@ -384,6 +385,7 @@ type PlayerDataLite struct {
 	ID                    string  `json:"id" db:"id"`
 	Name                  string  `json:"name" db:"name"`
 	Country               string  `json:"country" db:"country"`
+	Avatar                string  `json:"avatar" db:"avatar"`
 	Device                string  `json:"device" db:"device"`
 	PP                    float64 `json:"pp" db:"pp"`
 	Rank                  int     `json:"rank" db:"rank"`
@@ -467,7 +469,7 @@ func (p PlayerDataLite) ToString() string {
 		p.ReplaysWatched)
 }
 
-func (p PlayerData) LastDiffToString(lastDayQueryData PlayerDataLite) string {
+func (p PlayerDataLite) LastDiffToString(lastDayQueryData PlayerDataLite) string {
 	filePath, err := util.DownloadFile(p.Avatar, "/tmp/qqbot", false)
 	if err != nil {
 		log.Default().Printf("下载头像失败，url:%s,err:%v", p.Avatar, err)
@@ -483,26 +485,60 @@ func (p PlayerData) LastDiffToString(lastDayQueryData PlayerDataLite) string {
 			File: outFile,
 		},
 	}
-	formatedStr := "玩家 %s\n" +
-		picMsg.ToCQString() +
-		"区域 %s\n" +
-		"PP %.1f(%+.1f)\n" +
-		"全球排名 %d(%+d)\n" +
-		"区域排名 %d(%+d)\n" +
-		"Ranked谱面均准 %.2f%%(%+.2f%%)\n" +
-		"总游玩记数 %d(%+d)\n" +
-		"Ranked谱面游玩记数 %d(%+d)\n" +
-		"回放被观看次数 %d"
-	return fmt.Sprintf(formatedStr,
-		p.Name,
-		p.Country,
-		p.PP, p.PP-lastDayQueryData.PP,
-		p.Rank, lastDayQueryData.Rank-p.Rank,
-		p.CountryRank, lastDayQueryData.CountryRank-p.CountryRank,
-		p.ScoreStats.AverageRankedAccuracy*100, (p.ScoreStats.AverageRankedAccuracy-lastDayQueryData.AverageRankedAccuracy)*100,
-		p.ScoreStats.TotalPlayCount, p.ScoreStats.TotalPlayCount-lastDayQueryData.TotalPlayCount,
-		p.ScoreStats.RankedPlayCount, p.ScoreStats.RankedPlayCount-lastDayQueryData.RankedPlayCount,
-		p.ScoreStats.WatchedReplays)
+
+	var sb strings.Builder
+	sb.WriteString(fmt.Sprintf("玩家 %s\n", p.Name))
+	sb.WriteString(picMsg.ToCQString())
+	sb.WriteString(fmt.Sprintf("区域 %s\n", p.Country))
+
+	// PP值
+	ppDiff := p.PP - lastDayQueryData.PP
+	if ppDiff == 0 {
+		sb.WriteString(fmt.Sprintf("PP %.1f\n", p.PP))
+	} else {
+		sb.WriteString(fmt.Sprintf("PP %.1f(%+.1f)\n", p.PP, ppDiff))
+	} // 全球排名
+	rankDiff := lastDayQueryData.Rank - p.Rank
+	if rankDiff == 0 {
+		sb.WriteString(fmt.Sprintf("全球排名 %d\n", p.Rank))
+	} else {
+		sb.WriteString(fmt.Sprintf("全球排名 %d(%+d)\n", p.Rank, rankDiff))
+	}
+
+	// 区域排名
+	countryRankDiff := lastDayQueryData.CountryRank - p.CountryRank
+	if countryRankDiff == 0 {
+		sb.WriteString(fmt.Sprintf("区域排名 %d\n", p.CountryRank))
+	} else {
+		sb.WriteString(fmt.Sprintf("区域排名 %d(%+d)\n", p.CountryRank, countryRankDiff))
+	}
+
+	// Ranked谱面均准
+	accDiff := (p.AverageRankedAccuracy - lastDayQueryData.AverageRankedAccuracy) * 100
+	if accDiff == 0 {
+		sb.WriteString(fmt.Sprintf("Ranked谱面均准 %.2f%%\n", p.AverageRankedAccuracy*100))
+	} else {
+		sb.WriteString(fmt.Sprintf("Ranked谱面均准 %.2f%%(%+.2f%%)\n", p.AverageRankedAccuracy*100, accDiff))
+	}
+	// 总游玩记数
+	totalPlayDiff := p.TotalPlayCount - lastDayQueryData.TotalPlayCount
+	if totalPlayDiff == 0 {
+		sb.WriteString(fmt.Sprintf("总游玩记数 %d\n", p.TotalPlayCount))
+	} else {
+		sb.WriteString(fmt.Sprintf("总游玩记数 %d(%+d)\n", p.TotalPlayCount, totalPlayDiff))
+	}
+
+	// Ranked谱面游玩记数
+	rankedPlayDiff := p.RankedPlayCount - lastDayQueryData.RankedPlayCount
+	if rankedPlayDiff == 0 {
+		sb.WriteString(fmt.Sprintf("Ranked谱面游玩记数 %d\n", p.RankedPlayCount))
+	} else {
+		sb.WriteString(fmt.Sprintf("Ranked谱面游玩记数 %d(%+d)\n", p.RankedPlayCount, rankedPlayDiff))
+	}
+	// 回放被观看次数
+	sb.WriteString(fmt.Sprintf("回放被观看次数 %d", p.ReplaysWatched))
+
+	return sb.String()
 }
 
 func GetControllerStr(controller int) string {