Migrate package imports from next.orly.dev to new orly domain structure; add new varint and binary encoders with comprehensive tests; enhance existing tag and envelope implementations with additional methods, validations, and test coverage; introduce shared test.sh script for streamlined testing across modules.

pkg/database/delete-event.go

@@ -0,0 +1,76 @@
+package database
+
+import (
+	"bytes"
+	"context"
+
+	"database.orly/indexes"
+	"database.orly/indexes/types"
+	"encoders.orly/event"
+	"github.com/dgraph-io/badger/v4"
+	"lol.mleku.dev/chk"
+)
+
+// DeleteEvent removes an event from the database identified by `eid`. If
+// noTombstone is false or not provided, a tombstone is created for the event.
+func (d *D) DeleteEvent(c context.Context, eid []byte) (err error) {
+	d.Logger.Warningf("deleting event %0x", eid)
+
+	// Get the serial number for the event ID
+	var ser *types.Uint40
+	ser, err = d.GetSerialById(eid)
+	if chk.E(err) {
+		return
+	}
+	if ser == nil {
+		// Event wasn't found, nothing to delete
+		return
+	}
+	// Fetch the event to get its data
+	var ev *event.E
+	ev, err = d.FetchEventBySerial(ser)
+	if chk.E(err) {
+		return
+	}
+	if ev == nil {
+		// Event wasn't found, nothing to delete. this shouldn't happen.
+		return
+	}
+	if err = d.DeleteEventBySerial(c, ser, ev); chk.E(err) {
+		return
+	}
+	return
+}
+
+func (d *D) DeleteEventBySerial(
+	c context.Context, ser *types.Uint40, ev *event.E,
+) (err error) {
+	// Get all indexes for the event
+	var idxs [][]byte
+	idxs, err = GetIndexesForEvent(ev, ser.Get())
+	if chk.E(err) {
+		return
+	}
+	// Get the event key
+	eventKey := new(bytes.Buffer)
+	if err = indexes.EventEnc(ser).MarshalWrite(eventKey); chk.E(err) {
+		return
+	}
+	// Delete the event and all its indexes in a transaction
+	err = d.Update(
+		func(txn *badger.Txn) (err error) {
+			// Delete the event
+			if err = txn.Delete(eventKey.Bytes()); chk.E(err) {
+				return
+			}
+			// Delete all indexes
+			for _, key := range idxs {
+				if err = txn.Delete(key); chk.E(err) {
+					return
+				}
+			}
+			return
+		},
+	)
+	return
+}