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4ee6da4baa
Rather than having the services subscribe to each individual event type, have only one subscriber for the whole event object. This spreads the logic to the service through the `EventHandler` type. This is important for the next stage where the IMAP service will be required to apply events from the past.
35 lines
1.1 KiB
Go
35 lines
1.1 KiB
Go
// Copyright (c) 2023 Proton AG
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//
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// This file is part of Proton Mail Bridge.
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//
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// Proton Mail Bridge is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Proton Mail Bridge is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Proton Mail Bridge. If not, see <https://www.gnu.org/licenses/>.
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package userevents
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// Subscribable represents a type that allows the registration of event subscribers.
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type Subscribable interface {
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Subscribe(subscription EventSubscriber)
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Unsubscribe(subscription EventSubscriber)
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}
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type NoOpSubscribable struct{}
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func (n NoOpSubscribable) Subscribe(_ EventSubscriber) {
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// Does nothing
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}
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func (n NoOpSubscribable) Unsubscribe(_ EventSubscriber) {
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// Does nothing
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}
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