Store factory to make store optional

internal/bridge/types.go

@@ -0,0 +1,37 @@
+// Copyright (c) 2020 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package bridge
+
+import "github.com/ProtonMail/proton-bridge/internal/users"
+
+type Configer interface {
+	users.Configer
+	StoreFactoryConfiger
+}
+
+type StoreFactoryConfiger interface {
+	GetDBDir() string
+	GetIMAPCachePath() string
+}
+
+type PreferenceProvider interface {
+	Get(key string) string
+	GetBool(key string) bool
+	GetInt(key string) int
+	Set(key string, value string)
+}