增加用户免押额度筛选

backend/internal/modules/adminuser/dto.go

@@ -34,8 +34,9 @@ type DepositFreeQuotaRequest struct {
 
 // ListQuery 用户列表筛选条件。Keyword 同时匹配手机号/昵称（模糊）与用户 ID（精确）。
 type ListQuery struct {
-	Keyword string
-	Status  string
+	Keyword             string
+	Status              string
+	HasDepositFreeQuota bool
 }
 
 type PaginatedResult struct {

backend/internal/modules/adminuser/handler.go

@@ -38,8 +38,9 @@ func parsePagination(c *gin.Context) (int, int) {
 func (h *Handler) List(c *gin.Context) {
 	page, pageSize := parsePagination(c)
 	query := ListQuery{
-		Keyword: strings.TrimSpace(c.Query("keyword")),
-		Status:  strings.TrimSpace(c.Query("status")),
+		Keyword:             strings.TrimSpace(c.Query("keyword")),
+		Status:              strings.TrimSpace(c.Query("status")),
+		HasDepositFreeQuota: parseBoolQuery(c.Query("has_deposit_free_quota")),
 	}
 	result, err := h.service.List(c.Request.Context(), page, pageSize, query)
 	if err != nil {
@@ -49,6 +50,15 @@ func (h *Handler) List(c *gin.Context) {
 	response.OK(c, result)
 }
 
+func parseBoolQuery(value string) bool {
+	switch strings.ToLower(strings.TrimSpace(value)) {
+	case "1", "true", "yes", "on":
+		return true
+	default:
+		return false
+	}
+}
+
 func (h *Handler) Freeze(c *gin.Context) {
 	adminID, ok := currentAdminID(c)
 	if !ok {

backend/internal/modules/adminuser/repository.go

@@ -61,6 +61,9 @@ func applyUserFilter(tx *gorm.DB, query ListQuery) *gorm.DB {
 	if query.Status != "" {
 		tx = tx.Where("u.status = ?", query.Status)
 	}
+	if query.HasDepositFreeQuota {
+		tx = tx.Where("u.deposit_free_quota_cent > 0")
+	}
 	if keyword := strings.TrimSpace(query.Keyword); keyword != "" {
 		like := "%" + keyword + "%"
 		// 关键词为纯数字时一并按用户 ID 精确匹配

backend/internal/modules/adminuser/repository_test.go

@@ -1,6 +1,12 @@
 package adminuser
 
-import "testing"
+import (
+	"strings"
+	"testing"
+
+	"gorm.io/driver/sqlite"
+	"gorm.io/gorm"
+)
 
 func TestDepositFreeQuotaAmountCent(t *testing.T) {
 	tests := []struct {
@@ -28,3 +34,45 @@ func TestDepositFreeQuotaAmountCent(t *testing.T) {
 		})
 	}
 }
+
+func TestParseBoolQuery(t *testing.T) {
+	tests := []struct {
+		name  string
+		value string
+		want  bool
+	}{
+		{name: "true 开启", value: "true", want: true},
+		{name: "数字 1 开启", value: "1", want: true},
+		{name: "on 开启", value: "on", want: true},
+		{name: "空值关闭", value: "", want: false},
+		{name: "false 关闭", value: "false", want: false},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := parseBoolQuery(tt.value); got != tt.want {
+				t.Fatalf("parseBoolQuery(%q) = %v, want %v", tt.value, got, tt.want)
+			}
+		})
+	}
+}
+
+func TestApplyUserFilterHasDepositFreeQuota(t *testing.T) {
+	db, err := gorm.Open(sqlite.Open(":memory:"), &gorm.Config{DryRun: true})
+	if err != nil {
+		t.Fatalf("打开测试数据库失败：%v", err)
+	}
+
+	stmt := applyUserFilter(db.Table("users AS u"), ListQuery{
+		Status:              "active",
+		HasDepositFreeQuota: true,
+	}).Find(&[]struct{}{}).Statement
+	sql := stmt.SQL.String()
+
+	if !strings.Contains(sql, "u.deposit_free_quota_cent > 0") {
+		t.Fatalf("SQL 未包含免押额度过滤：%s", sql)
+	}
+	if len(stmt.Vars) != 1 || stmt.Vars[0] != "active" {
+		t.Fatalf("筛选变量不正确：%v", stmt.Vars)
+	}
+}