mirror of
https://codeberg.org/forgejo/forgejo.git
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112 lines
2.7 KiB
Go
112 lines
2.7 KiB
Go
// Copyright 2023 The Forgejo Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package forgefed
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import (
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"reflect"
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"unsafe"
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ap "github.com/go-ap/activitypub"
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"github.com/valyala/fastjson"
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)
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const (
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RepositoryType ap.ActivityVocabularyType = "Repository"
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)
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type Repository struct {
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ap.Actor
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// Team Collection of actors who have management/push access to the repository
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Team ap.Item `jsonld:"team,omitempty"`
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// Forks OrderedCollection of repositories that are forks of this repository
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Forks ap.Item `jsonld:"forks,omitempty"`
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// ForkedFrom Identifies the repository which this repository was created as a fork
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ForkedFrom ap.Item `jsonld:"forkedFrom,omitempty"`
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}
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// RepositoryNew initializes a Repository type actor
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func RepositoryNew(id ap.ID) *Repository {
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a := ap.ActorNew(id, RepositoryType)
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a.Type = RepositoryType
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o := Repository{Actor: *a}
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return &o
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}
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func (r Repository) MarshalJSON() ([]byte, error) {
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b, err := r.Actor.MarshalJSON()
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if len(b) == 0 || err != nil {
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return nil, err
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}
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b = b[:len(b)-1]
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if r.Team != nil {
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ap.JSONWriteItemProp(&b, "team", r.Team)
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}
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if r.Forks != nil {
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ap.JSONWriteItemProp(&b, "forks", r.Forks)
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}
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if r.ForkedFrom != nil {
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ap.JSONWriteItemProp(&b, "forkedFrom", r.ForkedFrom)
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}
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ap.JSONWrite(&b, '}')
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return b, nil
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}
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func JSONLoadRepository(val *fastjson.Value, r *Repository) error {
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if err := ap.OnActor(&r.Actor, func(a *ap.Actor) error {
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return ap.JSONLoadActor(val, a)
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}); err != nil {
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return err
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}
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r.Team = ap.JSONGetItem(val, "team")
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r.Forks = ap.JSONGetItem(val, "forks")
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r.ForkedFrom = ap.JSONGetItem(val, "forkedFrom")
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return nil
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}
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func (r *Repository) UnmarshalJSON(data []byte) error {
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p := fastjson.Parser{}
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val, err := p.ParseBytes(data)
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if err != nil {
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return err
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}
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return JSONLoadRepository(val, r)
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}
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// ToRepository tries to convert the it Item to a Repository Actor.
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func ToRepository(it ap.Item) (*Repository, error) {
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switch i := it.(type) {
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case *Repository:
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return i, nil
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case Repository:
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return &i, nil
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case *ap.Actor:
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return (*Repository)(unsafe.Pointer(i)), nil
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case ap.Actor:
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return (*Repository)(unsafe.Pointer(&i)), nil
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default:
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// NOTE(marius): this is an ugly way of dealing with the interface conversion error: types from different scopes
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typ := reflect.TypeOf(new(Repository))
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if i, ok := reflect.ValueOf(it).Convert(typ).Interface().(*Repository); ok {
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return i, nil
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}
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}
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return nil, ap.ErrorInvalidType[ap.Actor](it)
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}
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type withRepositoryFn func(*Repository) error
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// OnRepository calls function fn on it Item if it can be asserted to type *Repository
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func OnRepository(it ap.Item, fn withRepositoryFn) error {
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if it == nil {
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return nil
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}
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ob, err := ToRepository(it)
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if err != nil {
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return err
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}
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return fn(ob)
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}
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