30 lines
672 B
Go
30 lines
672 B
Go
package middleware
|
|
|
|
import (
|
|
"context"
|
|
"encoding/json"
|
|
"github.com/eminetto/clean-architecture-go/pkg/entity"
|
|
"net/http"
|
|
"github.com/codegangsta/negroni"
|
|
)
|
|
|
|
//Validate
|
|
func Validate(e entity.Validable) negroni.HandlerFunc {
|
|
return func(w http.ResponseWriter, r *http.Request, next http.HandlerFunc) {
|
|
err := json.NewDecoder(r.Body).Decode(&e)
|
|
if err != nil {
|
|
w.WriteHeader(http.StatusBadRequest)
|
|
w.Write([]byte(err.Error()))
|
|
return
|
|
}
|
|
err = e.Validate()
|
|
if err != nil {
|
|
w.WriteHeader(http.StatusBadRequest)
|
|
w.Write([]byte(err.Error()))
|
|
return
|
|
}
|
|
ctx := context.WithValue(r.Context(), "InputParam", e)
|
|
next(w, r.WithContext(ctx))
|
|
}
|
|
}
|