Chapter 4

app/models.py

@@ -0,0 +1,23 @@
+from datetime import datetime
+from app import db
+
+
+class User(db.Model):
+    id = db.Column(db.Integer, primary_key=True)
+    username = db.Column(db.String(64), index=True, unique=True)
+    email = db.Column(db.String(120), index=True, unique=True)
+    password_hash = db.Column(db.String(128))
+    posts = db.relationship("Post", backref="author", lazy="dynamic")
+
+    def __repr__(self):
+        return "<User {}>".format(self.username)
+
+
+class Post(db.Model):
+    id = db.Column(db.Integer, primary_key=True)
+    body = db.Column(db.String(140))
+    timestamp = db.Column(db.DateTime, index=True, default=datetime.utcnow)
+    user_id = db.Column(db.Integer, db.ForeignKey("user.id"))
+
+    def __repr__(self):
+        return "<Post {}>".format(self.body)