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parambuilder.go
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/
parambuilder.go
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package base
import (
"fmt"
"strconv"
"strings"
"github.com/Qihoo360/wayne/src/backend/common"
"github.com/Qihoo360/wayne/src/backend/util/snaker"
)
type ParamBuilderController struct {
ResultHandlerController
}
// TODO: 需要重构成独立的Controller,参考Django的generic views设计
func (c *ParamBuilderController) BuildQueryParam() *common.QueryParam {
pageNo := c.Input().Get("pageNo")
pageSize := c.Input().Get("pageSize")
if pageNo == "" {
pageNo = strconv.Itoa(defaultPageNo)
}
if pageSize == "" {
pageSize = strconv.Itoa(defaultPageSize)
}
no, err := strconv.ParseInt(pageNo, 10, 64)
// pageNo must bigger than zero.
if err != nil || no < 1 {
c.AbortBadRequest("Invalid pageNo in query.")
}
// pageSize must bigger than zero.
size, err := strconv.ParseInt(pageSize, 10, 64)
if err != nil || size < 1 {
c.AbortBadRequest("Invalid pageSize in query.")
}
qmap := map[string]interface{}{}
deletedStr := c.Input().Get("deleted")
if deletedStr != "" {
deleted, err := strconv.ParseBool(deletedStr)
if err != nil {
c.AbortBadRequest("Invalid deleted in query.")
}
qmap["deleted"] = deleted
}
filter := c.Input().Get("filter")
if filter != "" {
filters := strings.Split(filter, ",")
for _, param := range filters {
params := strings.Split(param, "=")
if len(params) != 2 {
continue
}
key, value := params[0], params[1]
// 兼容在filter中使用deleted参数
if key == "deleted" {
deleted, err := strconv.ParseBool(value)
if err != nil {
continue
}
qmap[key] = deleted
continue
}
qmap[params[0]] = params[1]
}
}
relate := ""
if c.Input().Get("relate") != "" {
relate = c.Input().Get("relate")
}
return &common.QueryParam{PageNo: no, PageSize: size, Query: qmap, Sortby: snaker.CamelToSnake(c.Input().Get("sortby")), Relate: relate}
}
func (c *ParamBuilderController) GetIDFromURL() int64 {
return c.GetIntParamFromURL(":id")
}
func (c *ParamBuilderController) GetIntParamFromURL(param string) int64 {
paramStr := c.Ctx.Input.Param(param)
if len(paramStr) == 0 {
c.AbortBadRequest(fmt.Sprintf("Invalid %s in URL", param))
}
paramInt, err := strconv.ParseInt(paramStr, 10, 64)
if err != nil || paramInt < 0 {
c.AbortBadRequest(fmt.Sprintf("Invalid %s in URL", param))
}
return paramInt
}
func (c *ParamBuilderController) GetIntParamFromQuery(param string) int64 {
paramStr := c.Input().Get(param)
if len(paramStr) == 0 {
c.AbortBadRequest(fmt.Sprintf("Invalid %s in Query", param))
}
paramInt, err := strconv.ParseInt(paramStr, 10, 64)
if err != nil || paramInt < 0 {
c.AbortBadRequest(fmt.Sprintf("Invalid %s in Query", param))
}
return paramInt
}
func (c *ParamBuilderController) GetBoolParamFromQuery(param string) bool {
paramStr := c.Input().Get(param)
if len(paramStr) == 0 {
c.AbortBadRequest(fmt.Sprintf("Invalid %s in Query", param))
}
paramBool, err := strconv.ParseBool(paramStr)
if err != nil {
c.AbortBadRequest(fmt.Sprintf("Invalid %s in Query", param))
}
return paramBool
}
func (c *ParamBuilderController) GetBoolParamFromQueryWithDefault(param string, defaultValue bool) bool {
paramStr := c.Input().Get(param)
if len(paramStr) == 0 {
return defaultValue
}
paramBool, err := strconv.ParseBool(paramStr)
if err != nil {
c.AbortBadRequest(fmt.Sprintf("Invalid %s in Query", param))
}
return paramBool
}
func (c *ParamBuilderController) GetDeleteFromQuery() bool {
return c.GetBoolParamFromQueryWithDefault("deleted", false)
}
func (c *ParamBuilderController) GetLogicalFromQuery() bool {
return c.GetBoolParamFromQueryWithDefault("logical", true)
}
func (c *ParamBuilderController) GetIsOnlineFromQuery() bool {
return c.GetBoolParamFromQueryWithDefault("isOnline", false)
}