优化商品管理筛选功能

backend/internal/modules/listing/dto.go

@@ -81,6 +81,10 @@ type AdminListQuery struct {
 	Load         []string
 	SkinGroup    []string
 	SkinName     []string
+	MinCoin      *float64
+	MaxCoin      *float64
+	MinDeposit   *float64
+	MaxDeposit   *float64
 	Limit        int
 	Page         int
 	PageSize     int

backend/internal/modules/listing/handler_parse.go

@@ -79,6 +79,10 @@ func parseAdminListQuery(c *gin.Context) (AdminListQuery, bool) {
 	query.Load = parseCSVQuery(c.Query("load"))
 	query.SkinGroup = parseCSVQuery(c.Query("skin_group"))
 	query.SkinName = parseCSVQuery(firstNonEmpty(c.Query("skin_name"), c.Query("skin")))
+	query.MinCoin = parseOptionalFloat(c.Query("min_coin"))
+	query.MaxCoin = parseOptionalFloat(c.Query("max_coin"))
+	query.MinDeposit = parseOptionalFloat(c.Query("min_deposit"))
+	query.MaxDeposit = parseOptionalFloat(c.Query("max_deposit"))
 	return query, true
 }
 

backend/internal/modules/listing/query.go

@@ -3,6 +3,7 @@ package listing
 import (
 	"context"
 	"fmt"
+	"math"
 	"strconv"
 	"strings"
 	"time"
@@ -113,9 +114,41 @@ func (r *Repository) applyAdminListFilters(db *gorm.DB, query AdminListQuery) *g
 	if query.ReviewStatus != "" {
 		db = db.Where("l.review_status = ?", query.ReviewStatus)
 	}
+	if query.MinCoin != nil {
+		db = db.Where(
+			"EXISTS (SELECT 1 FROM game_accounts AS coin_account WHERE coin_account.id = l.account_id AND coin_account.haf_coin_amount >= ?)",
+			coinMToAdminAmount(*query.MinCoin),
+		)
+	}
+	if query.MaxCoin != nil {
+		db = db.Where(
+			"EXISTS (SELECT 1 FROM game_accounts AS coin_account WHERE coin_account.id = l.account_id AND coin_account.haf_coin_amount <= ?)",
+			coinMToAdminAmount(*query.MaxCoin),
+		)
+	}
+	if query.MinDeposit != nil {
+		db = db.Where("l.deposit_amount_cent >= ?", yuanToAdminCent(*query.MinDeposit))
+	}
+	if query.MaxDeposit != nil {
+		db = db.Where("l.deposit_amount_cent <= ?", yuanToAdminCent(*query.MaxDeposit))
+	}
 	return db
 }
 
+func coinMToAdminAmount(value float64) int64 {
+	if value <= 0 || math.IsNaN(value) || math.IsInf(value, 0) {
+		return 0
+	}
+	return int64(math.Round(value * 1000000))
+}
+
+func yuanToAdminCent(value float64) int64 {
+	if value <= 0 || math.IsNaN(value) || math.IsInf(value, 0) {
+		return 0
+	}
+	return int64(math.Round(value * 100))
+}
+
 func (r *Repository) FindAdmin(ctx context.Context, listingID uint64) (*ListingDTO, error) {
 	return r.findDTO(ctx, "l.id = ?", listingID)
 }