perf(query): 优化后台手机号精确查询

backend/internal/modules/distribution/repository.go

@@ -1138,8 +1138,13 @@ func (r *Repository) ListOrders(ctx context.Context, query DistributionOrderList
 		base = base.Where("f.settlement_status = ?", financialStatus)
 	}
 	if strings.TrimSpace(query.Keyword) != "" {
-		kw := "%" + strings.TrimSpace(query.Keyword) + "%"
-		base = base.Where("(ro.order_no LIKE ? OR rl.listing_no LIKE ? OR ga.title LIKE ? OR u.phone LIKE ?)", kw, kw, kw, kw)
+		keyword := strings.TrimSpace(query.Keyword)
+		if isPhoneKeyword(keyword) {
+			base = base.Where("ro.renter_id = (SELECT id FROM users WHERE phone = ?)", keyword)
+		} else {
+			kw := "%" + keyword + "%"
+			base = base.Where("(ro.order_no LIKE ? OR rl.listing_no LIKE ? OR ga.title LIKE ? OR u.phone LIKE ?)", kw, kw, kw, kw)
+		}
 	}
 	switch strings.TrimSpace(query.Kind) {
 	case "sold":
@@ -3034,8 +3039,13 @@ func (r *Repository) ListReceivedListings(ctx context.Context, adminID, siteID u
 		base = base.Where("ga.game_name = ?", q.GameName)
 	}
 	if q.Keyword != "" {
-		kw := "%" + strings.TrimSpace(q.Keyword) + "%"
-		base = base.Where("(rl.listing_no LIKE ? OR ga.title LIKE ? OR u.phone LIKE ? OR u.nickname LIKE ?)", kw, kw, kw, kw)
+		keyword := strings.TrimSpace(q.Keyword)
+		if isPhoneKeyword(keyword) {
+			base = base.Where("rl.owner_id = (SELECT id FROM users WHERE phone = ?)", keyword)
+		} else {
+			kw := "%" + keyword + "%"
+			base = base.Where("(rl.listing_no LIKE ? OR ga.title LIKE ? OR u.phone LIKE ? OR u.nickname LIKE ?)", kw, kw, kw, kw)
+		}
 	}
 
 	var total int64
@@ -3609,7 +3619,11 @@ func (r *Repository) ListDistributionUsers(ctx context.Context, adminID, siteID
 	}
 
 	if kw := strings.TrimSpace(query.Keyword); kw != "" {
-		baseQuery = baseQuery.Where("u.phone LIKE ? OR u.nickname LIKE ?", "%"+kw+"%", "%"+kw+"%")
+		if isPhoneKeyword(kw) {
+			baseQuery = baseQuery.Where("u.phone = ?", kw)
+		} else {
+			baseQuery = baseQuery.Where("u.phone LIKE ? OR u.nickname LIKE ?", "%"+kw+"%", "%"+kw+"%")
+		}
 	}
 
 	var totalFiltered int64
@@ -3675,3 +3689,15 @@ func (r *Repository) ListDistributionUsers(ctx context.Context, adminID, siteID
 		OrderUsers: orderUsersCount,
 	}, nil
 }
+
+func isPhoneKeyword(s string) bool {
+	if len(s) != 11 || s[0] != '1' {
+		return false
+	}
+	for i := 0; i < len(s); i++ {
+		if s[i] < '0' || s[i] > '9' {
+			return false
+		}
+	}
+	return true
+}