add mail to table on notif

models.py

@@ -312,4 +312,23 @@ class EmailTemplate(db.Model):
     creator = db.relationship('User', backref='created_email_templates', foreign_keys=[created_by])
 
     def __repr__(self):
-        return f'<EmailTemplate {self.name}>' 
+        return f'<EmailTemplate {self.name}>'
+
+class Mail(db.Model):
+    __tablename__ = 'mails'
+    id = db.Column(db.Integer, primary_key=True)
+    recipient = db.Column(db.String(150), nullable=False)
+    subject = db.Column(db.String(200), nullable=False)
+    body = db.Column(db.Text, nullable=False)
+    status = db.Column(db.String(20), default='pending', nullable=False)  # e.g., pending, sent, failed
+    created_at = db.Column(db.DateTime, default=datetime.utcnow)
+    sent_at = db.Column(db.DateTime, nullable=True)
+    template_id = db.Column(db.Integer, db.ForeignKey('email_templates.id'), nullable=True)
+    notif_id = db.Column(db.Integer, db.ForeignKey('notifs.id'), nullable=True)
+
+    # Relationships
+    template = db.relationship('EmailTemplate', backref='mails')
+    notif = db.relationship('Notif', backref='mails')
+
+    def __repr__(self):
+        return f'<Mail to {self.recipient} status={self.status}>'