add web

app/models/user_membership.py

@@ -0,0 +1,24 @@
+from app.extensions import db
+from app.enums.MembershipType import MembershipType
+from datetime import datetime, timedelta
+
+class UserMembership(db.Model):
+    user_id = db.Column(db.BigInteger, db.ForeignKey('user.id'), primary_key=True)
+    membership_type = db.Column(db.Enum(MembershipType), nullable=False)
+    created = db.Column(db.DateTime, nullable=True)
+    expiration = db.Column(db.DateTime, nullable=True)
+    next_stipend = db.Column(db.DateTime, nullable=True)
+
+    def __init__(self, user_id, membership_type, created, expiration):
+        self.user_id = user_id
+        self.membership_type = membership_type
+        self.created = created
+        self.expiration = expiration
+        if created is not None:
+            self.next_stipend = created + timedelta(hours=24)
+        else:
+            self.next_stipend = None
+    
+    def __repr__(self):
+        return '<UserMembership %r>' % self.user_id
+