Updated models

models.py

@@ -1,20 +1,35 @@
 from app import db
 
+endorsed = db.Table('endorses',
+    db.Column('user_id', db.String, db.ForeignKey('user.username'), primary_key=True),
+    db.Column('achievement_id', db.Integer, db.ForeignKey('achievement.id'), primary_key=True)
+)
+
 class User(db.Model):
-    __tablename__ = "Users"
-    id = db.Column(db.Integer, primary_key=True)
-    username = db.Column(db.String(80), unique=True, nullable=False)
-    achievements = db.relationship("Achievement", backref="person", lazy=True)
-    endorses = db.relationship("Achievement", backref="endorsed_by", lazy=True)
+    username = db.Column(db.String(80), unique=True, nullable=False, primary_key=True)
+
+    def to_obj(self):
+        return {
+            "username": self.username,
+            "achievements": [x.to_obj() for x in Achievement.query.filter_by(achieved_by=self.username).all()]
+        }
 
     def __repr__(self):
         return '<User %r>' % self.username
 
 class Achievement(db.Model):
-    __tablename__ = "Achievement"
     id = db.Column(db.Integer, primary_key=True)
     name = db.Column(db.String(128), nullable=False)
-    person_id = db.Column(db.Integer, db.ForeignKey("Users.id"))
+    achieved_by = db.Column(db.Integer, db.ForeignKey("user.username"), nullable=False)
+
+    endorsed_by = db.relationship('User', secondary=endorsed, lazy='subquery', backref=db.backref('user', lazy=True))
+
+    def to_obj(self):
+        return {
+            "id": self.id,
+            "name": self.name,
+            "endorsed_by": [x.username for x in self.endorsed_by], # Don't show full user object to avoid infinite loops
+        }
 
     def __repr__(self):
-        return '<Achievement %r from %r>' % (self.name, self.person.username)
+        return '<Achievement %r from %r>' % (self.name, self.achieved_by.name)