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/hooks/feed.go

@@ -0,0 +1,57 @@
+package hooks
+
+import (
+	"fmt"
+	"pocketbase/util"
+	"strings"
+
+	"github.com/pocketbase/pocketbase/core"
+)
+
+func ListFeedHandler() func(e *core.RecordsListRequestEvent) error {
+	return func(e *core.RecordsListRequestEvent) error {
+
+		for _, r := range e.Records {
+			var item *core.Record
+			var err error
+
+			typ := r.GetString("type")
+			typ = strings.Trim(typ, "\"")
+
+			itemId := r.GetString("item")
+			itemId = strings.Trim(itemId, "\"")
+
+			switch typ {
+			case string(util.TrailFeed):
+				item, err = e.App.FindRecordById("trails", itemId)
+			case string(util.ListFeed):
+				item, err = e.App.FindRecordById("lists", itemId)
+			case string(util.SummitLogFeed):
+				item, err = e.App.FindRecordById("summit_logs", itemId)
+			}
+
+			if err != nil {
+				continue
+			}
+
+			if item == nil {
+				continue
+			}
+
+			errs := e.App.ExpandRecord(item, []string{"author"}, nil)
+			if len(errs) > 0 {
+				return fmt.Errorf("failed to expand author: %v", errs)
+			}
+
+			if typ == string(util.TrailFeed) {
+				errs := e.App.ExpandRecord(item, []string{"category"}, nil)
+				if len(errs) > 0 {
+					return fmt.Errorf("failed to expand category: %v", errs)
+				}
+			}
+
+			r.MergeExpand(map[string]any{"item": item})
+		}
+		return e.Next()
+	}
+}