mirror of
https://github.com/ProtonMail/proton-bridge.git
synced 2025-12-10 04:36:43 +00:00
76 lines
2.0 KiB
Go
76 lines
2.0 KiB
Go
// Copyright (c) 2025 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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import (
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"context"
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"sync"
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"github.com/ProtonMail/proton-bridge/v3/internal/vault"
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)
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// EventIDStore exposes behavior expected of a type which allows us to store and retrieve event Ids.
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// Note: this may be accessed from multiple go-routines.
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type EventIDStore interface {
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// Load the last stored event, return "" for empty.
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Load(ctx context.Context) (string, error)
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// Store the new id.
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Store(ctx context.Context, id string) error
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}
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type InMemoryEventIDStore struct {
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lock sync.Mutex
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id string
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}
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func NewInMemoryEventIDStore() *InMemoryEventIDStore {
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return &InMemoryEventIDStore{}
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}
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func (i *InMemoryEventIDStore) Load(_ context.Context) (string, error) {
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i.lock.Lock()
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defer i.lock.Unlock()
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return i.id, nil
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}
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func (i *InMemoryEventIDStore) Store(_ context.Context, id string) error {
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i.lock.Lock()
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defer i.lock.Unlock()
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i.id = id
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return nil
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}
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type VaultEventIDStore struct {
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vault *vault.User
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}
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func NewVaultEventIDStore(vault *vault.User) *VaultEventIDStore {
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return &VaultEventIDStore{vault: vault}
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}
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func (v VaultEventIDStore) Load(_ context.Context) (string, error) {
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return v.vault.EventID(), nil
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}
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func (v VaultEventIDStore) Store(_ context.Context, id string) error {
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return v.vault.SetEventID(id)
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}
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