add web

app/models/invite_key.py

@@ -0,0 +1,25 @@
+from app.extensions import db
+from datetime import datetime
+
+class InviteKey(db.Model):
+    id = db.Column(db.BigInteger, primary_key=True, autoincrement=True, nullable=False)
+    key = db.Column(db.String(255), nullable=False) # vortexi-randomstring
+    created_at = db.Column(db.DateTime, nullable=False)
+    created_by = db.Column(db.BigInteger, db.ForeignKey('user.id') ,nullable=True, index=True)
+    used_by = db.Column(db.BigInteger, db.ForeignKey('user.id'), nullable=True)
+    used_on = db.Column(db.DateTime, nullable=True)
+
+    creator = db.relationship('User', backref=db.backref('invite_keys', lazy=True), foreign_keys=[created_by], uselist=False)
+    user = db.relationship('User', backref=db.backref('used_invite_keys', lazy=True), foreign_keys=[used_by], uselist=False)
+
+    def __init__(
+        self,
+        key,
+        created_by
+    ):
+        self.key = key
+        self.created_by = created_by
+        self.created_at = datetime.utcnow()
+
+    def __repr__(self):
+        return '<InviteKey %r>' % self.id