Feat/multiple session (#64)

* fix: disable windows build

* feat: add ability to handle multiple sessions

server/db/session.go

@@ -0,0 +1,39 @@
+package db
+
+import (
+	"log"
+
+	"github.com/google/uuid"
+	"gorm.io/gorm"
+	"gorm.io/gorm/clause"
+)
+
+type Session struct {
+	ID        uuid.UUID `gorm:"type:uuid;"`
+	UserID    uuid.UUID `gorm:"type:uuid;"`
+	User      User
+	UserAgent string
+	IP        string
+	CreatedAt int64 `gorm:"autoCreateTime"`
+	UpdatedAt int64 `gorm:"autoUpdateTime"`
+}
+
+func (r *Session) BeforeCreate(tx *gorm.DB) (err error) {
+	r.ID = uuid.New()
+
+	return
+}
+
+// SaveSession function to save user sessiosn
+func (mgr *manager) SaveSession(session Session) error {
+	res := mgr.db.Clauses(
+		clause.OnConflict{
+			DoNothing: true,
+		}).Create(&session)
+	if res.Error != nil {
+		log.Println(`Error saving session`, res.Error)
+		return res.Error
+	}
+
+	return nil
+}