blob: 98c69bb5725e6cc73a8402fc3583586f2696d927 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
package models
import (
"bytes"
"encoding/json"
"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 {
objMap, _ := a.wrappedObject.Serialize()
buffer := &bytes.Buffer{}
encoder := json.NewEncoder(buffer)
encoder.SetEscapeHTML(false)
encoder.Encode(objMap)
return bytes.TrimRight(buffer.Bytes(), "\n")
}
func (a *ActivityStreamsObject) Save(txn *badger.Txn) error {
content := a.content()
e := badger.NewEntry(a.keyName(), content)
return txn.SetEntry(e)
}
|
