/
tags.go
91 lines (77 loc) · 1.71 KB
/
tags.go
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package gomod
import (
"reflect"
"strconv"
)
const (
EmailTag string = "email"
RequiredTag string = "required"
TypeTag string = "type"
PhoneIndiaTag string = "phone_IN"
NumericTag string = "numeric"
MaxLenTag string = "max"
MinLenTag string = "min"
JsonTag string = "json"
)
func getFieldName(m reflect.StructField) string {
return func() string {
if jsonTag := m.Tag.Get(JsonTag); jsonTag != "" {
return jsonTag
}
return m.Name
}()
}
func getValidationRules(m reflect.StructField) (map[string]interface{}, error) {
tags := make(map[string]interface{})
if tagType := m.Tag.Get(TypeTag); tagType != "" {
switch tagType {
case EmailTag:
tags[EmailTag] = true
case PhoneIndiaTag:
tags[PhoneIndiaTag] = true
}
}
if tagVal := m.Tag.Get(EmailTag); tagVal != "" {
boolVal, err := strconv.ParseBool(tagVal)
if err != nil {
panic(err)
}
if boolVal {
tags[EmailTag] = boolVal
}
}
if tagVal := m.Tag.Get(RequiredTag); tagVal != "" {
boolVal, err := strconv.ParseBool(tagVal)
if err != nil {
panic(err)
}
if boolVal {
tags[RequiredTag] = boolVal
}
}
if tagVal := m.Tag.Get(PhoneIndiaTag); tagVal != "" {
boolVal, err := strconv.ParseBool(tagVal)
if err != nil {
panic(err)
}
if boolVal {
tags[PhoneIndiaTag] = boolVal
}
}
if tagVal := m.Tag.Get(MaxLenTag); tagVal != "" {
maxLen, err := strconv.Atoi(tagVal)
if err == nil {
tags[MaxLenTag] = maxLen
}
}
if tagVal := m.Tag.Get(MinLenTag); tagVal != "" {
minLen, err := strconv.Atoi(tagVal)
if err == nil {
tags[MinLenTag] = minLen
}
}
return tags, nil
}
func Rules(m reflect.StructField) (map[string]interface{}, error) {
return getValidationRules(m)
}