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Code Issues Releases Activity

exposed default binder, tag for binding query params

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Signed-off-by: Vishal Rana <vr@labstack.com>
This commit is contained in:
Vishal Rana
2016-12-10 08:38:27 -08:00
parent 20954afd66
commit 0e7a9c1d49
4 changed files with 16 additions and 14 deletions
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18
binder.go
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@ -17,13 +17,15 @@ type (
Bind(i interface{}, c Context) error
}
binder struct{}
// DefaultBinder is the default implementation of the Binder interface.
DefaultBinder struct{}
)
func (b *binder) Bind(i interface{}, c Context) (err error) {
// Bind implements the `Binder#Bind` function.
func (b *DefaultBinder) Bind(i interface{}, c Context) (err error) {
req := c.Request()
if req.Method == GET {
if err = b.bindData(i, c.QueryParams()); err != nil {
if err = b.bindData(i, c.QueryParams(), "query"); err != nil {
return NewHTTPError(http.StatusBadRequest, err.Error())
}
return
@ -58,7 +60,7 @@ func (b *binder) Bind(i interface{}, c Context) (err error) {
if err != nil {
return NewHTTPError(http.StatusBadRequest, err.Error())
}
if err = b.bindData(i, params); err != nil {
if err = b.bindData(i, params, "form"); err != nil {
return NewHTTPError(http.StatusBadRequest, err.Error())
}
default:
@ -67,7 +69,7 @@ func (b *binder) Bind(i interface{}, c Context) (err error) {
return
}
func (b *binder) bindData(ptr interface{}, data map[string][]string) error {
func (b *DefaultBinder) bindData(ptr interface{}, data map[string][]string, tag string) error {
typ := reflect.TypeOf(ptr).Elem()
val := reflect.ValueOf(ptr).Elem()
@ -82,13 +84,13 @@ func (b *binder) bindData(ptr interface{}, data map[string][]string) error {
continue
}
structFieldKind := structField.Kind()
inputFieldName := typeField.Tag.Get("form")
inputFieldName := typeField.Tag.Get(tag)
if inputFieldName == "" {
inputFieldName = typeField.Name
// If "form" tag is nil, we inspect if the field is a struct.
// If tag is nil, we inspect if the field is a struct.
if structFieldKind == reflect.Struct {
err := b.bindData(structField.Addr().Interface(), data)
err := b.bindData(structField.Addr().Interface(), data, tag)
if err != nil {
return err
}