refactor to mautrix 0.17.x; update deps

vendor/maunium.net/go/mautrix/event/eventsource.go

@@ -0,0 +1,72 @@
+// Copyright (c) 2024 Tulir Asokan
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+package event
+
+import (
+	"fmt"
+)
+
+// Source represents the part of the sync response that an event came from.
+type Source int
+
+const (
+	SourcePresence Source = 1 << iota
+	SourceJoin
+	SourceInvite
+	SourceLeave
+	SourceAccountData
+	SourceTimeline
+	SourceState
+	SourceEphemeral
+	SourceToDevice
+	SourceDecrypted
+)
+
+const primaryTypes = SourcePresence | SourceAccountData | SourceToDevice | SourceTimeline | SourceState
+const roomSections = SourceJoin | SourceInvite | SourceLeave
+const roomableTypes = SourceAccountData | SourceTimeline | SourceState
+const encryptableTypes = roomableTypes | SourceToDevice
+
+func (es Source) String() string {
+	var typeName string
+	switch es & primaryTypes {
+	case SourcePresence:
+		typeName = "presence"
+	case SourceAccountData:
+		typeName = "account data"
+	case SourceToDevice:
+		typeName = "to-device"
+	case SourceTimeline:
+		typeName = "timeline"
+	case SourceState:
+		typeName = "state"
+	default:
+		return fmt.Sprintf("unknown (%d)", es)
+	}
+	if es&roomableTypes != 0 {
+		switch es & roomSections {
+		case SourceJoin:
+			typeName = "joined room " + typeName
+		case SourceInvite:
+			typeName = "invited room " + typeName
+		case SourceLeave:
+			typeName = "left room " + typeName
+		default:
+			return fmt.Sprintf("unknown (%s+%d)", typeName, es)
+		}
+		es &^= roomSections
+	}
+	if es&encryptableTypes != 0 && es&SourceDecrypted != 0 {
+		typeName += " (decrypted)"
+		es &^= SourceDecrypted
+	}
+	es &^= primaryTypes
+	if es != 0 {
+		return fmt.Sprintf("unknown (%s+%d)", typeName, es)
+	}
+	return typeName
+}