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validator.go
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/
validator.go
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package validator
import (
"reflect"
"sync"
valid "github.com/go-playground/validator/v10"
)
// Init request body file valid
func Init() *CustomValidator {
valid := NewCustomValidator()
valid.Engine()
return valid
}
// CustomValidator Custom valid objects
type CustomValidator struct {
Once sync.Once
Validate *valid.Validate
}
// NewCustomValidator Instantiate
func NewCustomValidator() *CustomValidator {
return &CustomValidator{}
}
// ValidateStruct Instantiate struct valid
func (v *CustomValidator) ValidateStruct(obj interface{}) error {
if kindOfData(obj) == reflect.Struct {
v.lazyinit()
if err := v.Validate.Struct(obj); err != nil {
return err
}
}
return nil
}
// Engine Instantiate valid
func (v *CustomValidator) Engine() interface{} {
v.lazyinit()
return v.Validate
}
func (v *CustomValidator) lazyinit() {
v.Once.Do(func() {
v.Validate = valid.New()
v.Validate.SetTagName("binding")
})
}
func kindOfData(data interface{}) reflect.Kind {
value := reflect.ValueOf(data)
valueType := value.Kind()
if valueType == reflect.Ptr {
valueType = value.Elem().Kind()
}
return valueType
}