not working -error with db

README.md

@@ -0,0 +1,4 @@
+How to migrate db after making changes to the models:
+
+flask db migrate -m "message"
+flask db upgrade

models/parent.py

@@ -1,7 +1,10 @@
 from .user import UserModel
+from .student import StudentModel
 from app import db
 
 class ParentModel(UserModel):
     __tablename__ = 'parents' 
-    def __init__(self, id, username, email, date_of_birth, password):
-        super().__init__(id, username, email, date_of_birth, password)
+    children = db.relationship('StudentModel', back_populates='parent', foreign_keys=[StudentModel.parent_id])
+
+    def __init__(self, id, firstname, lastname, email, date_of_birth, password):
+        super().__init__(id, firstname, lastname, email, date_of_birth, password)

models/student.py

@@ -1,12 +1,13 @@
 from .user import UserModel
 from app import db
-#import mappend_column
-from sqlalchemy.orm import mapped_column
+
+from sqlalchemy import ForeignKey
+from sqlalchemy.orm import relationship
 
 class StudentModel(UserModel):
     __tablename__ = 'students'
     #parents is the name of the table
-    parent_id = mapped_column(db.ForeignKey('parents.id')) 
+    parent_id = db.Column(db.String(16), db.ForeignKey('parents.id'), nullable=True)
     parent = db.relationship('ParentModel', back_populates='children')
     grade = db.Column(db.Integer, nullable=True)
 

models/user.py

@@ -1,7 +1,7 @@
 from app import db 
 
 class UserModel(db.Model):
-    id = db.Column(db.String(80), unique=True, primary_key=True)
+    id = db.Column(db.String(16), unique=True, primary_key=True)
     firstname = db.Column(db.String(80), unique=False, nullable=False)
     lastname = db.Column(db.String(80), unique=False, nullable=False)
     email = db.Column(db.String(80), unique=False, nullable=False)

test.py

@@ -15,12 +15,22 @@ def checkHttp():
     "role": "student",
     "date_of_birth": "2000-01-01", 
     "password": "securepassword",
+    "parent_id": "1234567890123456",
     "grade": "10",    
     }
 
-    response = requests.post(f'{BASE_URL}/user', json=student_data)
+    parent_data = {
+    "firstname": "John",
+    "lastname": "Doe",
+    "email": "johndoe@example.com",
+    "role": "parent",
+    "date_of_birth": "2000-01-01", 
+    "password": "securepassword",   
+    }
+
+    response = requests.post(f'{BASE_URL}/user', json=parent_data)
     if response.status_code == 201:
-        print("Student user created successfully!")
+        print("Parent user created successfully!")
         print(response.json())
     else:
         print("Error creating student user:")

views/userViews.py

@@ -55,6 +55,8 @@ def create_user():
 
     if not id or not firstname or not lastname or not email:
         return jsonify({"message": "Missing required fields"}), 400
+
+    print("ROLE:", role)
 
     if role == "teacher":
         # Teachers require an additional 'subject' parameter
@@ -74,7 +76,7 @@ def create_user():
     elif role == "student":
         # Students require an additional 'grade_level' parameter
         grade = data.get("grade")
-        print(grade)
+        parent_id = data.get("parent_id")
 
         if not grade:
             return jsonify({"message": "Missing 'grade' field for student"}), 400
@@ -86,6 +88,7 @@ def create_user():
             email=email,
             date_of_birth=date_of_birth,
             password=password,
+            parent_id=parent_id,
             grade=grade,
         )
     elif role == "parent":