统一处理分页参数简化查询接口

web/handlers/whitelist.go

@@ -12,8 +12,7 @@ import (
 )
 
 type ListWhitelistReq struct {
-	Page int `json:"page" validate:"required"`
-	Size int `json:"size" validate:"required"`
+	common.PageReq
 }
 
 type ListWhitelistResp struct {
@@ -36,22 +35,14 @@ func ListWhitelist(c *fiber.Ctx) error {
 	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
 
 	// 获取用户信息
 	do := q.Whitelist.
 		Where(q.Whitelist.UserID.Eq(authContext.Payload.Id))
 
 	list, err := do.
-		Offset(offset).
-		Limit(limit).
+		Offset(req.GetOffset()).
+		Limit(req.GetLimit()).
 		Order(q.Whitelist.CreatedAt.Desc()).
 		Find()
 	if err != nil {
@@ -59,8 +50,8 @@ func ListWhitelist(c *fiber.Ctx) error {
 	}
 
 	var total int64
-	if len(list) < limit {
-		total = int64(len(list) + offset)
+	if len(list) < req.GetLimit() {
+		total = int64(len(list) + req.GetOffset())
 	} else {
 		total, err = do.Count()
 		if err != nil {
@@ -72,8 +63,8 @@ func ListWhitelist(c *fiber.Ctx) error {
 	return c.JSON(common.PageResp{
 		Total: int(total),
 		List:  list,
-		Page:  req.Page,
-		Size:  req.Size,
+		Page:  req.GetPage(),
+		Size:  req.GetSize(),
 	})
 }