refactor auth pkg into libraries

auth/jwt/token.go

@@ -0,0 +1,45 @@
+package jwt
+
+import (
+	"time"
+
+	"github.com/go-chi/jwtauth"
+	"github.com/go-pg/pg/orm"
+)
+
+// Token holds refresh jwt information.
+type Token struct {
+	ID        int       `json:"id,omitempty"`
+	CreatedAt time.Time `json:"created_at,omitempty"`
+	UpdatedAt time.Time `json:"updated_at,omitempty"`
+	AccountID int       `json:"-"`
+
+	Token      string    `json:"-"`
+	Expiry     time.Time `json:"-"`
+	Mobile     bool      `sql:",notnull" json:"mobile"`
+	Identifier string    `json:"identifier,omitempty"`
+}
+
+// BeforeInsert hook executed before database insert operation.
+func (t *Token) BeforeInsert(db orm.DB) error {
+	now := time.Now()
+	if t.CreatedAt.IsZero() {
+		t.CreatedAt = now
+		t.UpdatedAt = now
+	}
+	return nil
+}
+
+// BeforeUpdate hook executed before database update operation.
+func (t *Token) BeforeUpdate(db orm.DB) error {
+	t.UpdatedAt = time.Now()
+	return nil
+}
+
+// Claims returns the token claims to be signed
+func (t *Token) Claims() jwtauth.Claims {
+	return jwtauth.Claims{
+		"id":    t.ID,
+		"token": t.Token,
+	}
+}