go-form/util/inspect.go

59 lines
1.5 KiB
Go

package util
// @license GNU AGPL version 3 or any later version
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
import (
"errors"
"reflect"
"github.com/iancoleman/strcase"
)
func InspectStruct(input interface{}) (map[string]interface{}, error) {
val := reflect.ValueOf(input)
if val.Kind() == reflect.Ptr {
val = val.Elem()
}
if val.Kind() == reflect.Map {
return input.(map[string]interface{}), nil
}
if val.Kind() != reflect.Struct {
return nil, errors.New("Invalid type")
}
result := make(map[string]interface{})
typ := val.Type()
for i := 0; i < val.NumField(); i++ {
field := typ.Field(i)
value := val.Field(i)
tags := typ.Field(i).Tag
name := field.Name
fieldTag := tags.Get("field")
if fieldTag == "lowerCamel" {
name = strcase.ToLowerCamel(name)
}
result[name] = value.Interface()
}
return result, nil
}