fix:user reg email and username

backend/app.py

@@ -34,8 +34,8 @@ def seed_data():
     try:
         # Drop and recreate schema (only for testing, not recommended in production)
         sql = text('DROP SCHEMA public CASCADE; CREATE SCHEMA public;')
-        with db.engine.connect() as connection:
-            connection.execute(sql)
+        db.session.execute(sql)
+        db.session.commit()
         db.create_all()  # Recreate tables
 
         # Define roles and constants (ensure UserRole.USER is an integer or map it)

backend/blueprints/profile/__init__.py

@@ -8,6 +8,8 @@ from werkzeug.security import generate_password_hash
 import uuid
 import os
 from config import *
+from utils.utils import password_check_sanity,is_valid_email,InsecurePasswordException
+from sqlalchemy.exc import IntegrityError
 
 profile = Blueprint('profile', __name__)
 
@@ -33,6 +35,16 @@ def register():
     is_activated = True  # New user will be activated initially
     profile_picture = request.files.get('profile_picture')
 
+    # Validate email
+    if not is_valid_email(email):
+        return jsonify({"error": "Invalid email address"}), 400
+
+    # Validate password
+    try:
+        password_check_sanity(password)
+    except InsecurePasswordException as e:
+        return jsonify({"error": str(e)}), 400
+
     # Validate required fields
     if not all([email, first_name, last_name, username, password]):
         return jsonify({"error": "Missing required fields"}), 400
@@ -78,7 +90,11 @@ def register():
     try:
         db.session.add(new_user)
         db.session.commit()
-        return jsonify({"message": "User registered successfully. Please check your email to activate your account."}), 201
+
+        return jsonify({"message": "User registered successfully."}), 201
+    except IntegrityError as e:
+        db.session.rollback()
+        return jsonify({"error": "User with this email or username already exists."}), 400
     except Exception as e:
         db.session.rollback()
         return jsonify({"error": "Registration failed, please try again later."}), 500

backend/config.py

@@ -15,7 +15,7 @@ DB_NAME: str = "educonnect"
 DEFAULT_PROFILE_FILE: str = "defaultUserBanner.png"
 DEFAULT_COURSE_COVER: str = "defaultCourseCover.png"
 DEFAULT_BADGE_ICON: str = "defaultBadgeIcon.png"
-DISABLE_PASSWORD_SANITY_CHECKS: bool = True
+DISABLE_PASSWORD_SANITY_CHECKS: bool = False
 
 PROJECT_ROOT: os.path = os.path.dirname(os.path.abspath(__file__))
 USER_UPLOADS_DIR: str = os.path.join(PROJECT_ROOT, "uploads")

backend/db/model.py

@@ -19,7 +19,7 @@ class User(db.Model):
     email: Mapped[str] = mapped_column(String(64), nullable=False, unique=True)
     firstName: Mapped[str] = mapped_column(String(32), nullable=False)
     lastName: Mapped[str] = mapped_column(String(32), nullable=False)
-    username: Mapped[str] = mapped_column(String(32), nullable=False)
+    username: Mapped[str] = mapped_column(String(32), nullable=False, unique=True)
     hash_password: Mapped[str] = mapped_column(String(256), nullable=False)
     activationKey: Mapped[str] = mapped_column(String(128), nullable=False)
     sessions: Mapped[List["Session"]] = relationship(back_populates="user", cascade="all, delete-orphan")

backend/utils/utils.py

@@ -32,15 +32,15 @@ def is_valid_email(email):
         return True
     else:
         return False
-    
-def password_check(passwd: str) -> bool:
+
+def password_check_sanity(passwd: str) -> bool:
     if DISABLE_PASSWORD_SANITY_CHECKS:
         return True
     special_symbol_pattern = r'[$@#%]'
     upper_case_pattern = r'[A-Z]'
     lower_case_pattern = r'[a-z]'
     digit_pattern = r'[0-9]'
-    
+
     if len(passwd) < 6:
         raise InsecurePasswordException('Password length should be at least 6 characters.')
     elif len(passwd) > 20: