56 lines
1.2 KiB
Go
56 lines
1.2 KiB
Go
package util
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import (
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"reflect"
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"github.com/go-playground/validator/v10"
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"github.com/go-viper/mapstructure/v2"
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)
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var validate = validator.New()
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// DecodeOther uses mapstructure to decode into target structure. Unused keys cause errors.
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func DecodeOther(other, cc interface{}) error {
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decoderConfig := &mapstructure.DecoderConfig{
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Result: cc,
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ErrorUnused: true,
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WeaklyTypedInput: true,
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DecodeHook: mapstructure.ComposeDecodeHookFunc(
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mapstructure.StringToTimeDurationHookFunc(),
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mapstructure.TextUnmarshallerHookFunc(),
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),
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}
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decoder, err := mapstructure.NewDecoder(decoderConfig)
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if err != nil {
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return err
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}
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if err := decoder.Decode(other); err != nil {
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return &ConfigError{err}
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}
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// validate structs
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if rv := reflect.ValueOf(cc); rv.Kind() == reflect.Struct || rv.Kind() == reflect.Pointer && rv.Elem().Kind() == reflect.Struct {
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return validate.Struct(cc)
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}
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return nil
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}
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// ConfigError wraps yaml configuration errors from mapstructure
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type ConfigError struct {
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err error
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}
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func NewConfigError(err error) error {
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return &ConfigError{err}
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}
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func (e ConfigError) Error() string {
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return e.err.Error()
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}
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func (e ConfigError) Unwrap() error {
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return e.err
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}
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