Add advanced synchronize dialog and APK tooling

appstate/state.go

@@ -53,6 +53,14 @@ type SynchronizableSession interface {
 	Synchronize() error
 }
 
+type AdvancedSynchronizableSession interface {
+	CurrentSession
+	SynchronizeFromLocal(string) error
+	SynchronizeToLocal(string) error
+	SynchronizeFromRemote(webdav.Client, string) error
+	SynchronizeToRemote(webdav.Client, string) error
+}
+
 type CreateableSession interface {
 	CurrentSession
 	Create(vault.Model, vault.MasterKey) error
@@ -529,6 +537,54 @@ func (s *State) Synchronize() error {
 	return nil
 }
 
+func (s *State) SynchronizeFromLocal(path string) error {
+	session, ok := s.Session.(AdvancedSynchronizableSession)
+	if !ok {
+		return fmt.Errorf("session is not advanced-synchronizable")
+	}
+	if err := session.SynchronizeFromLocal(path); err != nil {
+		return err
+	}
+	s.Dirty = false
+	return nil
+}
+
+func (s *State) SynchronizeToLocal(path string) error {
+	session, ok := s.Session.(AdvancedSynchronizableSession)
+	if !ok {
+		return fmt.Errorf("session is not advanced-synchronizable")
+	}
+	if err := session.SynchronizeToLocal(path); err != nil {
+		return err
+	}
+	s.Dirty = true
+	return nil
+}
+
+func (s *State) SynchronizeFromRemote(client webdav.Client, path string) error {
+	session, ok := s.Session.(AdvancedSynchronizableSession)
+	if !ok {
+		return fmt.Errorf("session is not advanced-synchronizable")
+	}
+	if err := session.SynchronizeFromRemote(client, path); err != nil {
+		return err
+	}
+	s.Dirty = false
+	return nil
+}
+
+func (s *State) SynchronizeToRemote(client webdav.Client, path string) error {
+	session, ok := s.Session.(AdvancedSynchronizableSession)
+	if !ok {
+		return fmt.Errorf("session is not advanced-synchronizable")
+	}
+	if err := session.SynchronizeToRemote(client, path); err != nil {
+		return err
+	}
+	s.Dirty = true
+	return nil
+}
+
 func (s *State) CreateVault(key vault.MasterKey) error {
 	session, ok := s.Session.(CreateableSession)
 	if !ok {