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