From 57ee7ff3ef634f754945c701fd4ae7336290d53b Mon Sep 17 00:00:00 2001
From: kercylan98 <kercylan@gmail.com>
Date: Sat, 12 Aug 2023 10:39:05 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20ranking.List=20=E6=96=B0=E5=A2=9E?=
 =?UTF-8?q?=E6=94=AF=E6=8C=81=E9=BB=98=E8=AE=A4=E5=80=BC=E7=9A=84=E8=8E=B7?=
 =?UTF-8?q?=E5=8F=96=E6=8E=92=E5=90=8D=E5=92=8C=E5=88=86=E6=95=B0=E7=9A=84?=
 =?UTF-8?q?=E5=87=BD=E6=95=B0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 game/ranking/list.go | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/game/ranking/list.go b/game/ranking/list.go
index 346aea5..9693687 100644
--- a/game/ranking/list.go
+++ b/game/ranking/list.go
@@ -87,6 +87,16 @@ func (slf *List[CompetitorID, Score]) Size() int {
 	return slf.competitors.Size()
 }
 
+// GetRankDefault 获取竞争者排名，如果竞争者不存在则返回默认值
+//   - 排名从 0 开始
+func (slf *List[CompetitorID, Score]) GetRankDefault(competitorId CompetitorID, defaultValue int) int {
+	rank, err := slf.GetRank(competitorId)
+	if err != nil {
+		return defaultValue
+	}
+	return rank
+}
+
 // GetRank 获取竞争者排名
 //   - 排名从 0 开始
 func (slf *List[CompetitorID, Score]) GetRank(competitorId CompetitorID) (int, error) {
@@ -160,6 +170,15 @@ func (slf *List[CompetitorID, Score]) GetScore(competitorId CompetitorID) (score
 	return data, nil
 }
 
+// GetScoreDefault 获取竞争者成绩，不存在时返回默认值
+func (slf *List[CompetitorID, Score]) GetScoreDefault(competitorId CompetitorID, defaultValue Score) Score {
+	score, err := slf.GetScore(competitorId)
+	if err != nil {
+		return defaultValue
+	}
+	return score
+}
+
 // GetAllCompetitor 获取所有竞争者ID
 //   - 结果为名次有序的
 func (slf *List[CompetitorID, Score]) GetAllCompetitor() []CompetitorID {