Refactor app, implement logout

app/services/session.go

@@ -0,0 +1,25 @@
+package services
+
+import (
+	"os"
+
+	"github.com/gorilla/sessions"
+	log "github.com/sirupsen/logrus"
+)
+
+var store *sessions.FilesystemStore
+
+func InitSessionStore(logger *log.Logger, sessionPath string, keys ...[]byte) {
+	store = sessions.NewFilesystemStore(sessionPath, keys...)
+	if _, err := os.Stat(sessionPath); err != nil {
+		if os.IsNotExist(err) {
+			if err = os.MkdirAll(sessionPath, 0700); err != nil {
+				logger.Fatalf("could not create session store directory: %s", err)
+			}
+		}
+	}
+}
+
+func GetSessionStore() *sessions.FilesystemStore {
+	return store
+}