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validation.go
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/
validation.go
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package vee
import (
"fmt"
"strings"
)
type (
Validatable interface {
Validate() error
}
ErrList []error
ErrField struct {
FieldName string
Err error
}
)
func (el ErrList) Error() string {
if len(el) == 1 {
return fmt.Sprintf("%v", el[0])
}
var sb strings.Builder
sb.WriteString("[")
for i, err := range el {
if i != 0 {
sb.WriteString(", ")
}
sb.WriteString(fmt.Sprintf("%v", err))
}
sb.WriteString("]")
return sb.String()
}
func (el ErrList) Dto() []map[string]string {
errMap := make([]map[string]string, 0, len(el))
for _, err := range el {
if ef, ok := err.(ErrField); ok {
errMap = append(errMap, map[string]string{ef.FieldName: ef.Err.Error()})
} else {
errMap = append(errMap, map[string]string{ef.FieldName: err.Error()})
}
}
return errMap
}
func (ef ErrField) Error() string {
return fmt.Sprintf("%s: %v", ef.FieldName, ef.Err)
}
func FieldError(name string, err error) error {
return ErrField{
FieldName: name,
Err: err,
}
}