models.py

from flask_sqlalchemy import SQLAlchemy
from flask import Flask
from werkzeug.security import generate_password_hash, check_password_hash
from sqlalchemy.orm import relationship
from dotenv import load_dotenv
import os

load_dotenv()

app = Flask(__name__)
app.config['SQLALCHEMY_DATABASE_URI'] = os.getenv('DATABASE_URL')
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
db = SQLAlchemy(app)


class User(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    username = db.Column(db.String(80), unique=True, nullable=False)
    password_hash = db.Column(db.String(128), nullable=False)
    files = relationship('File', backref='uploader', lazy=True)

    def set_password(self, password):
        self.password_hash = generate_password_hash(password)

    def check_password(self, password):
        return check_password_hash(self.password_hash, password)


class File(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    filename = db.Column(db.String(120), unique=True, nullable=False)
    password_hash = db.Column(db.String(128), nullable=True)
    custom_route = db.Column(db.String(120), unique=True, nullable=True)
    filepath = db.Column(db.String(120), nullable=False)
    info = db.Column(db.String(200), nullable=True)
    downloads = db.Column(db.Integer, default=0)
    uploaded_by = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)

    def set_password(self, password):
        self.password_hash = generate_password_hash(password)

    def check_password(self, password):
        return check_password_hash(self.password_hash, password)


if __name__ == '__main__':
    db.create_all()