Federation Refactoring & Architecture Improvements (#930)

* initial commit

* add lists

* update permissions

* fix waypoint create

* needs_full_sync for activitypub trails

* fixes build issues

* fix list get

* further CSRF protection

* update API docs

* adds rate limiter

* fix tiptap mentions

* a bit more cleanup of main.go

* Fix migration order

* fixes reviewed notes

* require context for activitpub server calls

* improve hashing for identifier

* fix copy paste error

* fix sync trail/list issues

* fix summit log/comment duplicates

* adaptions after trail merge

* fix dockerignore

---------

Co-authored-by: Christian Beutel <>
Co-authored-by: slothful-vassal <89943360+slothful-vassal@users.noreply.github.com>

db/services/trailmerge/integration_merge.go

@@ -0,0 +1,47 @@
+package trailmerge
+
+import (
+	"context"
+
+	"github.com/meilisearch/meilisearch-go"
+	"github.com/pocketbase/pocketbase/core"
+)
+
+func TryAutoMergeImportedTrail(
+	app core.App,
+	client meilisearch.ServiceManager,
+	ctx context.Context,
+	actor *core.Record,
+	sourceTrailID string,
+	settings IntegrationAutoMergeSettings,
+) error {
+	if actor == nil || sourceTrailID == "" || !settings.Enabled {
+		return nil
+	}
+
+	response, err := Suggest(app, actor.Id, SuggestRequest{
+		Mode:          SuggestModeAutoDiscovery,
+		SourceTrailID: sourceTrailID,
+	})
+	if err != nil {
+		return err
+	}
+
+	selectableCandidates := make([]SuggestCandidate, 0, len(response.Candidates))
+	for _, candidate := range response.Candidates {
+		if candidate.Selectable {
+			selectableCandidates = append(selectableCandidates, candidate)
+		}
+	}
+
+	if len(selectableCandidates) != 1 {
+		return nil
+	}
+
+	targetTrailID := selectableCandidates[0].TrailID
+	if targetTrailID == "" || targetTrailID == sourceTrailID {
+		return nil
+	}
+
+	return Merge(app, client, ctx, actor, sourceTrailID, targetTrailID, DefaultIntegrationAutoMergeMergeSettings())
+}