donation model

app/campaigns/models.py

@@ -11,4 +11,5 @@ class Campaign(db.Model):
     __tablename__ = 'campaign'
     id         = Column('id', INTEGER(), primary_key=True)
     title = Column('title', TEXT(), nullable=False)
+    donation_id = Column(INTEGER, ForeignKey('donation.id'))
     #ambassadors 

app/main/models.py

@@ -0,0 +1,15 @@
+from app import db
+from flask import current_app
+from flask_login import UserMixin, current_user
+from sqlalchemy import TEXT, Column, Boolean, ForeignKey, TEXT, INTEGER, VARCHAR
+import jwt
+from datetime import datetime, timezone, timedelta
+
+
+class Donation(db.Model):
+    __tablename__ = 'donation'
+    id            = Column('id', INTEGER(), primary_key=True, autoincrement=True)
+    currency_type = Column('currency_type', TEXT(), nullable=False)
+    amount        = Column('amount', INTEGER(), nullable=False)
+    campaign      = db.relationship('Campaign', backref='Donation', lazy='dynamic')
+    user          = db.relationship('User', backref='Donation', lazy='dynamic')

app/users/models.py

@@ -14,6 +14,7 @@ class User(db.Model, UserMixin):
     email      = Column('email', TEXT(), nullable=False, unique=True)
     password   = Column('password', TEXT(), nullable=False)
     user_type  = Column('user_type', TEXT(), nullable=False)
+    donation_id = Column(INTEGER, ForeignKey('donation.id'))
     
     def get_reset_token(self, expiration=600):
         reset_token = jwt.encode(