We build too many walls and not enough bridges

internal/frontend/frontend.go

@@ -0,0 +1,87 @@
+// 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 frontend provides all interfaces of the Bridge.
+package frontend
+
+import (
+	"github.com/0xAX/notificator"
+	"github.com/ProtonMail/proton-bridge/internal/bridge"
+	"github.com/ProtonMail/proton-bridge/internal/frontend/cli"
+	"github.com/ProtonMail/proton-bridge/internal/frontend/qt"
+	"github.com/ProtonMail/proton-bridge/internal/frontend/types"
+	"github.com/ProtonMail/proton-bridge/pkg/config"
+	"github.com/ProtonMail/proton-bridge/pkg/listener"
+)
+
+var (
+	log = config.GetLogEntry("frontend") // nolint[unused]
+)
+
+// Frontend is an interface to be implemented by each frontend type (cli, gui, html).
+type Frontend interface {
+	Loop(credentialsError error) error
+	IsAppRestarting() bool
+}
+
+// HandlePanic handles panics which occur for users with GUI.
+func HandlePanic() {
+	notify := notificator.New(notificator.Options{
+		DefaultIcon: "../frontend/ui/icon/icon.png",
+		AppName:     "ProtonMail Bridge",
+	})
+	_ = notify.Push("Fatal Error", "The ProtonMail Bridge has encountered a fatal error. ", "/frontend/icon/icon.png", notificator.UR_CRITICAL)
+}
+
+// New returns initialized frontend based on `frontendType`, which can be `cli` or `qt`.
+func New(
+	version,
+	buildVersion,
+	frontendType string,
+	showWindowOnStart bool,
+	panicHandler types.PanicHandler,
+	config *config.Config,
+	preferences *config.Preferences,
+	eventListener listener.Listener,
+	updates types.Updater,
+	bridge *bridge.Bridge,
+	noEncConfirmator types.NoEncConfirmator,
+) Frontend {
+	bridgeWrap := types.NewBridgeWrap(bridge)
+	return new(version, buildVersion, frontendType, showWindowOnStart, panicHandler, config, preferences, eventListener, updates, bridgeWrap, noEncConfirmator)
+}
+
+func new(
+	version,
+	buildVersion,
+	frontendType string,
+	showWindowOnStart bool,
+	panicHandler types.PanicHandler,
+	config *config.Config,
+	preferences *config.Preferences,
+	eventListener listener.Listener,
+	updates types.Updater,
+	bridge types.Bridger,
+	noEncConfirmator types.NoEncConfirmator,
+) Frontend {
+	switch frontendType {
+	case "cli":
+		return cli.New(panicHandler, config, preferences, eventListener, updates, bridge)
+	default:
+		return qt.New(version, buildVersion, showWindowOnStart, panicHandler, config, preferences, eventListener, updates, bridge, noEncConfirmator)
+	}
+}