console_conf/controllers: add recovery chooser controllers

Add controller used by the recovery chooser.

Signed-off-by: Maciej Borzecki <maciej.zenon.borzecki@canonical.com>

console_conf/controllers/__init__.py

@@ -17,9 +17,17 @@
 
 from .identity import IdentityController
 from subiquitycore.controllers.network import NetworkController
-from .welcome import WelcomeController
+from .welcome import WelcomeController, RecoveryChooserWelcomeController
+from .chooser import (
+    RecoveryChooserController,
+    RecoveryChooserConfirmController
+    )
+
 __all__ = [
     'IdentityController',
     'NetworkController',
     'WelcomeController',
+    'RecoveryChooserWelcomeController',
+    'RecoveryChooserController',
+    'RecoveryChooserConfirmController',
 ]

console_conf/controllers/chooser.py

@@ -0,0 +1,53 @@
+# Copyright 2020 Canonical, Ltd.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# This program 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 Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+import logging
+
+from console_conf.ui.views import ChooserView, ChooserConfirmView
+
+from subiquitycore.controller import BaseController
+
+log = logging.getLogger("console_conf.controllers.chooser")
+
+
+class RecoveryChooserBaseController(BaseController):
+    def __init__(self, app):
+        super().__init__(app)
+        self.model = app.base_model
+
+    def cancel(self):
+        # exit without taking any action
+        self.app.exit()
+
+
+class RecoveryChooserController(RecoveryChooserBaseController):
+    def start_ui(self):
+        view = ChooserView(self, self.model.systems)
+        self.ui.set_body(view)
+
+    def select(self, system, action):
+        self.model.select(system, action)
+        self.app.next_screen()
+
+
+class RecoveryChooserConfirmController(RecoveryChooserBaseController):
+    def start_ui(self):
+        view = ChooserConfirmView(self, self.model.selection)
+        self.ui.set_body(view)
+
+    def confirm(self):
+        log.warning("user action %s", self.model.selection)
+        # output the choice
+        self.app.respond(self.model.selection)
+        self.app.exit()

console_conf/controllers/welcome.py

@@ -13,15 +13,17 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-from console_conf.ui.views import WelcomeView
+from console_conf.ui.views import WelcomeView, ChooserWelcomeView
 
 from subiquitycore.controller import BaseController
 
 
 class WelcomeController(BaseController):
 
+    welcome_view = WelcomeView
+
     def start_ui(self):
-        view = WelcomeView(self)
+        view = self.welcome_view(self)
         self.ui.set_body(view)
 
     def done(self):
@@ -30,3 +32,7 @@ class WelcomeController(BaseController):
     def cancel(self):
         # Can't go back from here!
         pass
+
+
+class RecoveryChooserWelcomeController(WelcomeController):
+    welcome_view = ChooserWelcomeView