Implement more endpoints & overhaul [2/n]

Drop LevelDB and move all the things to SQLite.

Implemented endpoints:
/api <unit, accessoryMaterialAll>
/api <unit, accessoryTab>
/live/continue
/live/partyList
/unit/favoriteAccessory (WIP)
/unit/sale

Signed-off-by: Sean Du <do4suki@gmail.com>

internal/session/ghome.go

@@ -0,0 +1,39 @@
+package session
+
+import (
+	ghomemodel "honoka-chan/internal/model/ghome"
+)
+
+func (ss *Session) GetDeviceID() string {
+	return ss.Ctx.Request.Header.Get("X-DEVICEID")
+}
+
+func (ss *Session) GetRandKey() []byte {
+	deviceKey := ghomemodel.DeviceKey{}
+	has, err := ss.UserEng.Table(new(ghomemodel.DeviceKey)).
+		Where("device_id = ?", ss.GetDeviceID()).Get(&deviceKey)
+	if ss.CheckErr(err) {
+		return nil
+	}
+
+	if !has {
+		return nil
+	}
+
+	return []byte(deviceKey.RandKey)
+}
+func (ss *Session) SetRandKey(key string) {
+	var err error
+	if ss.GetRandKey() == nil {
+		_, err = ss.UserEng.Insert(&ghomemodel.DeviceKey{
+			DeviceID: ss.GetDeviceID(),
+			RandKey:  key,
+		})
+	} else {
+		_, err = ss.UserEng.Table(new(ghomemodel.DeviceKey)).
+			Where("device_id = ?", ss.GetDeviceID()).Update(&ghomemodel.DeviceKey{RandKey: key})
+	}
+	if ss.CheckErr(err) {
+		return
+	}
+}