old_contents: from datetime import datetime, timedelta
  
  from app import db, bcrypt
  from app.utils.misc import make_code
  
  
  def expiration_date():
      return datetime.now() + timedelta(days=1)
  
  
  class User(db.Model):
  
      id = db.Column(db.Integer(), primary_key=True)
      email = db.Column(db.String(255), unique=True)
      password = db.Column(db.String(255))
      active = db.Column(db.Boolean())
      is_admin = db.Column(db.Boolean())
  
      def __init__(self, email, password, is_admin=False):
          self.email = email
          self.active = True
          self.is_admin = is_admin
          self.set_password(password)
  
      def set_password(self, password):
          self.password = bcrypt.generate_password_hash(password)
  
      def deactivate(self):
          self.active = False
  
  
  class PasswordReset(db.Model):
  
      id = db.Column(db.Integer(), primary_key=True)
      user_id = db.Column(db.Integer(), db.ForeignKey('user.id'))
      code = db.Column(db.String(255), unique=True, default=make_code)
      date = db.Column(db.DateTime(), default=expiration_date)
  
      user = db.relationship(User)
  
      db.UniqueConstraint('user', 'code', name='uni_user_code')
  
      def __init__(self, user):
          self.user = user
  
new_contents: from datetime import datetime, timedelta
  
  from app import db, bcrypt
  from app.utils.misc import make_code
  
  
  def expiration_date():
      return datetime.now() + timedelta(days=1)
  
  
  class AppUser(db.Model):
  
      id = db.Column(db.Integer(), primary_key=True)
      email = db.Column(db.String(255), unique=True)
      password = db.Column(db.String(255))
      active = db.Column(db.Boolean())
      is_admin = db.Column(db.Boolean())
  
      def __init__(self, email, password, is_admin=False):
          self.email = email
          self.active = True
          self.is_admin = is_admin
          self.set_password(password)
  
      def set_password(self, password):
          self.password = bcrypt.generate_password_hash(password)
  
      def deactivate(self):
          self.active = False
  
  
  class PasswordReset(db.Model):
  
      id = db.Column(db.Integer(), primary_key=True)
      user_id = db.Column(db.Integer(), db.ForeignKey('app_user.id'))
      code = db.Column(db.String(255), unique=True, default=make_code)
      date = db.Column(db.DateTime(), default=expiration_date)
  
      user = db.relationship(User)
  
      db.UniqueConstraint('user_id', 'code', name='uni_user_code')
  
      def __init__(self, user):
          self.user = user
  
subject: Rename User model to AppUser