move forgefed to models

models/forgefed/star.go

@@ -0,0 +1,75 @@
+// Copyright 2023 The Forgejo Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package forgefed
+
+import (
+	ap "github.com/go-ap/activitypub"
+	"github.com/valyala/fastjson"
+)
+
+type (
+	SourceType string
+)
+
+type SourceTypes []SourceType
+
+const (
+	StarType ap.ActivityVocabularyType = "Star"
+)
+
+const (
+	ForgejoSourceType SourceType = "frogejo"
+)
+
+var KnownSourceTypes = SourceTypes{
+	ForgejoSourceType,
+}
+
+// Star activity data type
+// swagger:model
+type Star struct {
+	// swagger:ignore
+	ap.Activity
+	// Source identifies the system which generated this activity. Exactly one value has to be specified.
+	Source SourceType `jsonld:"source,omitempty"`
+}
+
+// StarNew initializes a Star type activity
+func StarNew(id ap.ID, ob ap.ID) *Star { // ToDo: May be used later in creating signed activities
+	a := ap.ActivityNew(id, StarType, ob)
+	o := Star{Activity: *a, Source: ForgejoSourceType}
+	return &o
+}
+
+func (a Star) MarshalJSON() ([]byte, error) {
+	b := make([]byte, 0)
+	ap.JSONWrite(&b, '{')
+
+	ap.JSONWriteStringProp(&b, "source", string(a.Source))
+	if !ap.JSONWriteActivityValue(&b, a.Activity) {
+		return nil, nil
+	}
+	ap.JSONWrite(&b, '}')
+	return b, nil
+}
+
+func JSONLoadStar(val *fastjson.Value, s *Star) error {
+	if err := ap.OnActivity(&s.Activity, func(a *ap.Activity) error {
+		return ap.JSONLoadActivity(val, a)
+	}); err != nil {
+		return err
+	}
+
+	s.Source = SourceType(ap.JSONGetString(val, "source"))
+	return nil
+}
+
+func (s *Star) UnmarshalJSON(data []byte) error {
+	p := fastjson.Parser{}
+	val, err := p.ParseBytes(data)
+	if err != nil {
+		return err
+	}
+	return JSONLoadStar(val, s)
+}