1 files changed, 102 insertions, 0 deletions
diff --git a/session.go b/session.go
new file mode 100644
index 0000000..8f0e5d8
--- /dev/null
+++ b/session.go
@@ -0,0 +1,102 @@
+// gomuks - A terminal Matrix client written in Go.
+// Copyright (C) 2018 Tulir Asokan
+//
+// This program 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.
+//
+// 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 General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package main
+
+import (
+	"encoding/json"
+	"io/ioutil"
+	"path/filepath"
+
+	"github.com/matrix-org/gomatrix"
+)
+
+type Session struct {
+	MXID        string `json:"-"`
+	path        string `json:"-"`
+	AccessToken string
+	NextBatch   string
+	FilterID    string
+	Rooms       map[string]*gomatrix.Room
+}
+
+func (config *Config) LoadSession(mxid string) {
+	config.Session = config.NewSession(mxid)
+	config.Session.Load()
+}
+
+func (config *Config) NewSession(mxid string) *Session {
+	return &Session{
+		MXID:  mxid,
+		path:  filepath.Join(config.dir, mxid+".session"),
+		Rooms: make(map[string]*gomatrix.Room),
+	}
+}
+
+func (s *Session) Load() {
+	data, err := ioutil.ReadFile(s.path)
+	if err != nil {
+		debug.Print("Failed to read session from", s.path)
+		panic(err)
+	}
+
+	err = json.Unmarshal(data, s)
+	if err != nil {
+		debug.Print("Failed to parse session at", s.path)
+		panic(err)
+	}
+}
+
+func (s *Session) Save() {
+	data, err := json.Marshal(s)
+	if err != nil {
+		debug.Print("Failed to marshal session of", s.MXID)
+		panic(err)
+	}
+
+	err = ioutil.WriteFile(s.path, data, 0600)
+	if err != nil {
+		debug.Print("Failed to write session to", s.path)
+		panic(err)
+	}
+}
+
+func (s *Session) LoadFilterID(_ string) string {
+	return s.FilterID
+}
+
+func (s *Session) LoadNextBatch(_ string) string {
+	return s.NextBatch
+}
+
+func (s *Session) LoadRoom(mxid string) *gomatrix.Room {
+	return s.Rooms[mxid]
+}
+
+func (s *Session) SaveFilterID(_, filterID string) {
+	s.FilterID = filterID
+	s.Save()
+}
+
+func (s *Session) SaveNextBatch(_, nextBatch string) {
+	s.NextBatch = nextBatch
+	s.Save()
+}
+
+func (s *Session) SaveRoom(room *gomatrix.Room) {
+	s.Rooms[room.ID] = room
+	s.Save()
+}