Timezone support

1 files changed, 21 insertions, 0 deletions

diff --git a/persistence/sessions.go b/persistence/sessions.go
index 85c84be..efb32d3 100644
--- a/persistence/sessions.go
+++ b/persistence/sessions.go
@@ -3,6 +3,7 @@ package persistence
 import (
 	"github.com/pkg/errors"
 	"io/ioutil"
+	"time"
 
 	"dev.narayana.im/narayana/telegabber/yamldb"
 
@@ -10,6 +11,16 @@ import (
 	"gopkg.in/yaml.v2"
 )
 
+var zeroLocation *time.Location
+
+func init() {
+	var err error
+	zeroLocation, err = time.LoadLocation("")
+	if err != nil {
+		log.Fatal("Wrong hardcoded timezone")
+	}
+}
+
 // SessionsYamlDB wraps YamlDB with Session
 type SessionsYamlDB struct {
 	yamldb.YamlDB
@@ -108,3 +119,13 @@ func (s *Session) Set(key string, value string) (string, error) {
 
 	return "", errors.New("Unknown session property")
 }
+
+func (s *Session) TimezoneToLocation() *time.Location {
+	time, err := time.Parse("-07:00", s.Timezone)
+	if err == nil {
+		return time.Location()
+	}
+
+	// default
+	return zeroLocation
+}