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add mvc.Err builtin dependency to map any context/mvc response's.Err field on methods like HandleHTTPError

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relative to: https://github.com/kataras/iris/issues/1606
This commit is contained in:
Gerasimos (Makis) Maropoulos
2020-08-31 15:26:30 +03:00
parent f20e7f1ecc
commit 7f7d8df9c0
4 changed files with 37 additions and 1 deletions
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17
_examples/mvc/error-handler-http/main.go
View File

@@ -1,6 +1,8 @@
package main
import (
"fmt"
"github.com/kataras/iris/v12"
"github.com/kataras/iris/v12/mvc"
)
@@ -27,6 +29,14 @@ func (c *controller) Get() string {
return "Hello!"
}
func (c *controller) GetError() mvc.Result {
return mvc.View{
// Map to mvc.Code and mvc.Err respectfully on HandleHTTPError method.
Code: iris.StatusBadRequest,
Err: fmt.Errorf("custom error"),
}
}
// The input parameter of mvc.Code is optional but a good practise to follow.
// You could register a Context and get its error code through ctx.GetStatusCode().
//
@@ -39,7 +49,12 @@ func (c *controller) Get() string {
// a controller's field (or method's input argument) is required
// to select which, between those two controllers, is responsible
// to handle http errors.
func (c *controller) HandleHTTPError(statusCode mvc.Code) mvc.View {
func (c *controller) HandleHTTPError(statusCode mvc.Code, err mvc.Err) mvc.View {
if err != nil {
// Do something with that error,
// e.g. view.Data = MyPageData{Message: err.Error()}
}
code := int(statusCode) // cast it to int.
view := mvc.View{