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