重构 orm 代码生成逻辑，实现 bill 接口，优化请求字段检查与 list total 查询逻辑

web/handlers/bill.go

@@ -1 +1,96 @@
 package handlers
+
+import (
+	"platform/web/auth"
+	"platform/web/common"
+	q "platform/web/queries"
+	"platform/web/services"
+	"time"
+
+	"github.com/gofiber/fiber/v2"
+)
+
+// region ListBill
+
+type ListBillReq struct {
+	Page         int        `json:"page" validate:"required"`
+	Size         int        `json:"size" validate:"required"`
+	BillNo       *string    `json:"bill_no"`
+	Type         *int       `json:"type"`
+	Status       *int       `json:"status"`
+	CreateAfter  *time.Time `json:"create_after"`
+	CreateBefore *time.Time `json:"create_before"`
+}
+
+// ListBill 获取账单列表
+func ListBill(c *fiber.Ctx) error {
+	// 检查权限
+	authContext, err := auth.Protect(c, []services.PayloadType{services.PayloadUser}, []string{})
+	if err != nil {
+		return err
+	}
+
+	// 解析请求参数
+	req := new(ListBillReq)
+	if err := c.BodyParser(req); err != nil {
+		return err
+	}
+	if req.Page < 1 {
+		req.Page = 1
+	}
+	if req.Size < 1 {
+		req.Size = 10
+	}
+	var offset = (req.Page - 1) * req.Size
+	var limit = req.Size
+
+	// 查询账单列表
+	do := q.Bill.
+		Where(q.Bill.UserID.Eq(authContext.Payload.Id))
+
+	if req.Status != nil {
+		do = do.Where(q.Bill.Status.Eq(int32(*req.Status)))
+	}
+	if req.Type != nil {
+		do = do.Where(q.Bill.Type.Eq(int32(*req.Type)))
+	}
+	if req.CreateAfter != nil {
+		do = do.Where(q.Bill.CreatedAt.Gte(common.LocalDateTime(*req.CreateAfter)))
+	}
+	if req.CreateBefore != nil {
+		do = do.Where(q.Bill.CreatedAt.Lte(common.LocalDateTime(*req.CreateBefore)))
+	}
+	if req.BillNo != nil && *req.BillNo != "" {
+		do = do.Where(q.Bill.BillNo.Eq(*req.BillNo))
+	}
+
+	bills, err := do.Debug().
+		Preload(q.Bill.Resource, q.Bill.Trade, q.Bill.Refund).
+		Preload(q.Bill.Resource.Pss).
+		Order(q.Bill.CreatedAt.Desc()).
+		Offset(offset).
+		Limit(limit).
+		Find()
+	if err != nil {
+		return err
+	}
+
+	var total int64
+	if len(bills) < limit {
+		total = int64(len(bills) + offset)
+	} else {
+		total, err = do.Count()
+		if err != nil {
+			return err
+		}
+	}
+
+	return c.JSON(common.PageResp{
+		Total: int(total),
+		Page:  req.Page,
+		Size:  req.Size,
+		List:  bills,
+	})
+}
+
+// endregion