go-mstdn/ent/field.go

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package ent
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import (
"encoding/json"
"github.com/reiver/go-erorr"
"github.com/reiver/go-opt"
"github.com/reiver/go-nul"
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)
var _ json.Marshaler = Field{}
var _ json.Unmarshaler = &Field{}
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const (
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errCannotMashalFieldAsJSONNoName = erorr.Error("cannot marshal ent.Field to JSON — no name set")
errCannotMashalFieldAsJSONNoValue = erorr.Error("cannot marshal ent.Field to JSON — no value set")
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)
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// Field represents a Mastodon API "Field".
//
// See:
// https://docs.joinmastodon.org/entities/Field/
type Field struct {
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Name opt.Optional[string]
Value opt.Optional[string]
VerifiedAt nul.Nullable[string]
}
type field struct {
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Name opt.Optional[string] `json:"name"`
Value opt.Optional[string] `json:"value"`
VerifiedAt nul.Nullable[string] `json:"verified_at"`
}
func FieldNameValue(name string, value string) Field {
return Field{
Name: opt.Something(name),
Value: opt.Something(value),
}
}
func FieldVerifiedNameValue(when string, name string, value string) Field {
return Field{
Name: opt.Something(name),
Value: opt.Something(value),
VerifiedAt: nul.Something(when),
}
}
func (receiver Field) MarshalJSON() ([]byte, error) {
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var data = map[string]interface{}{}
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{
val, found := receiver.Name.Get()
if !found {
return nil, errCannotMashalFieldAsJSONNoName
}
data["name"] = val
}
{
val, found := receiver.Value.Get()
if !found {
return nil, errCannotMashalFieldAsJSONNoValue
}
data["value"] = val
}
{
val, found := receiver.VerifiedAt.Get()
if !found {
data["verified_at"] = nil
} else {
data["verified_at"] = val
}
}
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return json.Marshal(data)
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}
func (receiver *Field) UnmarshalJSON(data []byte) error {
if nil == receiver {
return errNilReceiver
}
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var f field
err := json.Unmarshal(data, &f)
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if nil != err {
return err
}
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if nul.Null[string]() == f.VerifiedAt {
f.VerifiedAt = nul.Nothing[string]()
}
*receiver = Field{
Name: f.Name,
Value: f.Value,
VerifiedAt: f.VerifiedAt,
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}
return nil
}