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fix: 修复validator版本差异导致的验证错误 #98

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fix: 修复validator版本差异导致的验证错误 #98

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59 changes: 48 additions & 11 deletions custom-validation/server.go
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Original file line number Diff line number Diff line change
@@ -1,21 +1,22 @@
package main

import (
"net/http"
"time"

"github.com/gin-gonic/gin"
"github.com/gin-gonic/gin/binding"
"github.com/go-playground/validator/v10"
"github.com/go-playground/validator/v10" // 使用这个版本，Booing的验证关键字是binding，不可以使用validate，会导致bug
//"gopkg.in/go-playground/validator.v9" //使用这个版本，Booking的验证关键字是validate，不要使用binding
"net/http"
"time"
)

// Booking contains binded and validated data.
type Booking struct {
CheckIn time.Time `form:"check_in" binding:"required,bookabledate" time_format:"2006-01-02"`
CheckOut time.Time `form:"check_out" binding:"required,gtfield=CheckIn" time_format:"2006-01-02"`
}

var bookableDate validator.Func = func(fl validator.FieldLevel) bool {
// 对于Booking的验证，要求check_in和check_out必须大于当前日期
// 若当前时间为2023-02-27，则check_in=2023-02-28，check_out=2023-03-01
var bookabledate validator.Func = func(fl validator.FieldLevel) bool {
date, ok := fl.Field().Interface().(time.Time)
if ok {
today := time.Now()
Expand All @@ -27,21 +28,57 @@ var bookableDate validator.Func = func(fl validator.FieldLevel) bool {
}

func main() {
route := gin.Default()
r := gin.Default()

//validate := validator.New()
//validate.RegisterValidation("bookabledate", bookabledate2)
if v, ok := binding.Validator.Engine().(*validator.Validate); ok {
v.RegisterValidation("bookabledate", bookableDate)
v.RegisterValidation("bookabledate", bookabledate2)
}

route.GET("/bookable", getBookable)
route.Run(":8085")
//r.GET("/bookable", func(c *gin.Context) {
// var book Booking
// if err := c.ShouldBind(&book); err != nil {
// c.JSON(http.StatusInternalServerError, gin.H{
// "error": err.Error(),
// })
// c.Abort()
// return
// }
// if err := validate.Struct(book); err != nil {
// c.JSON(http.StatusInternalServerError, gin.H{
// "error": err.Error(),
// })
// c.Abort()
// return
// }
//
// c.JSON(http.StatusOK, gin.H{
// "message": "OK",
// "booking": book,
// })
//})

r.GET("/bookable", getBookable)
r.Run(":8085")
}

func getBookable(c *gin.Context) {
var b Booking
if err := c.ShouldBindWith(&b, binding.Query); err == nil {
c.JSON(http.StatusOK, gin.H{"message": "Booking dates are valid!"})
c.JSON(http.StatusOK, gin.H{"message": "OK", "booking": b})
} else {
c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
}
}

func bookabledate2(fl validator.FieldLevel) bool {
if date, ok := fl.Field().Interface().(time.Time); ok {
today := time.Now()
if date.Unix() > today.Unix() {
return true
}
}

return false
}