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[feature] Implement deliveryRecipientPreSort to prioritize delivery to mentioned accounts (#3668)

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* weeeeenus

* update to latest activity

* update to use latest release tag of superseriousbusiness/activity

---------

Co-authored-by: kim <grufwub@gmail.com>
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tobi 2025-01-27 19:22:15 +01:00 • committed by GitHub
commit 65fb8abd42
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6 changed files with 386 additions and 165 deletions
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58
internal/federation/federatingactor.go
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@ -23,6 +23,7 @@ import (
"fmt"
"net/http"
"net/url"
"slices"
errorsv2 "codeberg.org/gruf/go-errors/v2"
"codeberg.org/gruf/go-kv"
@ -30,9 +31,11 @@ import (
"github.com/superseriousbusiness/activity/streams/vocab"
"github.com/superseriousbusiness/gotosocial/internal/ap"
apiutil "github.com/superseriousbusiness/gotosocial/internal/api/util"
"github.com/superseriousbusiness/gotosocial/internal/config"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/gtserror"
"github.com/superseriousbusiness/gotosocial/internal/log"
"github.com/superseriousbusiness/gotosocial/internal/uris"
)
// federatingActor wraps the pub.FederatingActor
@ -42,10 +45,63 @@ type federatingActor struct {
wrapped pub.FederatingActor
}
func deliveryRecipientPreSort(actorAndCollectionIRIs []*url.URL) []*url.URL {
var (
thisHost = config.GetHost()
thisAcctDomain = config.GetAccountDomain()
)
slices.SortFunc(
actorAndCollectionIRIs,
func(a *url.URL, b *url.URL) int {
// We want to sort by putting more specific actor URIs *before* collection URIs.
// Since the only collection URIs we ever address are our own followers URIs, we
// can just use host and regexes to identify these collections, and shove them
// to the back of the slice. This ensures that directly addressed (ie., mentioned)
// accounts get delivery-attempted *first*, and then delivery attempts move on to
// followers of the author. This should have the effect of making conversation
/// threads feel more snappy, as replies will be sent quicker to participants.
var (
aIsFollowers = (a.Host == thisHost || a.Host == thisAcctDomain) && uris.IsFollowersPath(a)
bIsFollowers = (b.Host == thisHost || b.Host == thisAcctDomain) && uris.IsFollowersPath(b)
)
switch {
case aIsFollowers == bIsFollowers:
// Both followers URIs or
// both not followers URIs,
// order doesn't matter.
return 0
case aIsFollowers:
// a is followers
// URI, b is not.
//
// Sort b before a.
return 1
default:
// b is followers
// URI, a is not.
//
// Sort a before b.
return -1
}
},
)
return actorAndCollectionIRIs
}
// newFederatingActor returns a federatingActor.
func newFederatingActor(c pub.CommonBehavior, s2s pub.FederatingProtocol, db pub.Database, clock pub.Clock) pub.FederatingActor {
sideEffectActor := pub.NewSideEffectActor(c, s2s, nil, db, clock)
sideEffectActor.Serialize = ap.Serialize // hook in our own custom Serialize function
// Hook in our own custom Serialize function.
sideEffectActor.Serialize = ap.Serialize
// Hook in our own custom recipient pre-sort function.
sideEffectActor.DeliveryRecipientPreSort = deliveryRecipientPreSort
return &federatingActor{
sideEffectActor: sideEffectActor,