/
text.go
93 lines (75 loc) · 1.73 KB
/
text.go
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package model
import "strconv"
func NewText(value string) *Text {
return (*Text)(&value)
}
type Text string
func (self *Text) Get() string {
return string(*self)
}
func (self *Text) Set(value string) {
*self = Text(value)
}
func (self *Text) IsEmpty() bool {
return len(*self) == 0
}
func (self *Text) GetOrDefault(defaultText string) string {
if self.IsEmpty() {
return defaultText
}
return self.Get()
}
func (self *Text) String() string {
return self.Get()
}
func (self *Text) SetString(str string) error {
self.Set(str)
return nil
}
func (self *Text) FixValue(metaData *MetaData) {
}
func (self *Text) Required(metaData *MetaData) bool {
if minlen, ok, _ := self.Minlen(metaData); ok {
if minlen > 0 {
return true
}
}
return metaData.BoolAttrib(StructTagKey, "required")
}
func (self *Text) Validate(metaData *MetaData) error {
value := string(*self)
if self.Required(metaData) && self.IsEmpty() {
return NewRequiredError(metaData)
}
minlen, ok, err := self.Minlen(metaData)
if ok && len(value) < minlen {
err = &StringTooShort{value, minlen}
}
if err != nil {
return err
}
maxlen, ok, err := self.Maxlen(metaData)
if ok && len(value) > maxlen {
err = &StringTooLong{value, maxlen}
}
if err != nil {
return err
}
return nil
}
func (self *Text) Minlen(metaData *MetaData) (minlen int, ok bool, err error) {
var str string
if str, ok = metaData.Attrib(StructTagKey, "minlen"); ok {
minlen, err = strconv.Atoi(str)
ok = err == nil
}
return minlen, ok, err
}
func (self *Text) Maxlen(metaData *MetaData) (maxlen int, ok bool, err error) {
var str string
if str, ok = metaData.Attrib(StructTagKey, "maxlen"); ok {
maxlen, err = strconv.Atoi(str)
ok = err == nil
}
return maxlen, ok, err
}