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package models
import (
"fmt"
"time"
"git.capotej.com/capotej/communique/config"
"github.com/dgraph-io/badger/v3"
"github.com/go-fed/activity/streams/vocab"
"github.com/segmentio/ksuid"
)
// ActivityStreamsObject is our internal model for storing activity streams objects
// For every object we receive, we create 2+N copies of it in Badger:
// - the original object
// - a copy for dedupe with an optional TTL (specified by handler response) TODO
// - a temporary copy for every subscriber until it is delivered TODO
type ActivityStreamsObject struct {
wrappedObject vocab.ActivityStreamsNote // OPTIONAL, not always wrapped (think .count)
handler config.Handler
}
func NewActivityStreamsObject(obj vocab.ActivityStreamsNote, h config.Handler) *ActivityStreamsObject {
aso := &ActivityStreamsObject{wrappedObject: obj, handler: h}
return aso
}
func (a *ActivityStreamsObject) keyName() []byte {
k, _ := ksuid.NewRandomWithTime(time.Now())
key := fmt.Sprintf("%s:%s", a.Keybase(), k.String())
return []byte(key)
}
func (a *ActivityStreamsObject) Keybase() string {
keyBase := fmt.Sprintf("outboxes:%s", a.handler.Name)
return keyBase
}
func (a *ActivityStreamsObject) content() []byte {
var contentVal string
if a.wrappedObject.GetActivityStreamsContent() != nil {
content := a.wrappedObject.GetActivityStreamsContent()
for contentIter := content.Begin(); contentIter != content.End(); contentIter = contentIter.Next() {
contentVal = contentIter.GetXMLSchemaString()
}
}
return []byte(contentVal)
}
func (a *ActivityStreamsObject) Save(txn *badger.Txn) error {
e := badger.NewEntry(a.keyName(), a.content())
return txn.SetEntry(e)
}
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