af83/edwig

package model

import (
    "encoding/json"
)

type Reference struct {
    Code *Code  `json:",omitempty"`
    Type string `json:",omitempty"`
}

func NewReference(code Code) *Reference {
    return &Reference{Code: &code}
}

func (reference *Reference) GetSha1() string {
    return reference.Code.HashValue()
}

func (reference *Reference) UnmarshalJSON(data []byte) error {
    type Alias Reference
    aux := &struct {
        *Alias
        ObjectId *ObjectId
    }{
        Alias: (*Alias)(reference),
    }

    err := json.Unmarshal(data, aux)
    if err != nil {
        return err
    }

    if aux.ObjectId != nil {
        code := &Code{}
        code.codeSpace = aux.ObjectId.codeSpace
        code.value = aux.ObjectId.value
        reference.Code = code
    }

    return nil
}