⚡ implement email verification feature, add captcha validation middleware, and enhance user authentication flow

internal/repo/session.go

@@ -0,0 +1,23 @@
+package repo
+
+import "github.com/snowykami/neo-blog/internal/model"
+
+type sessionRepo struct{}
+
+var Session = sessionRepo{}
+
+func (s *sessionRepo) SaveSession(sessionKey string) error {
+	session := &model.Session{
+		SessionKey: sessionKey,
+	}
+	return db.Create(session).Error
+}
+
+func (s *sessionRepo) IsSessionValid(sessionKey string) (bool, error) {
+	var count int64
+	err := db.Model(&model.Session{}).Where("session_key = ?", sessionKey).Count(&count).Error
+	if err != nil {
+		return false, err
+	}
+	return count > 0, nil
+}