app.py

import os
import logging
from flask import Flask
from flask_sqlalchemy import SQLAlchemy
from sqlalchemy.orm import DeclarativeBase
from werkzeug.middleware.proxy_fix import ProxyFix

# Configure logging
logging.basicConfig(level=logging.DEBUG)

class Base(DeclarativeBase):
    pass

db = SQLAlchemy(model_class=Base)

# create the app
app = Flask(__name__)
app.secret_key = os.environ.get("SESSION_SECRET", "dev-secret-key-change-in-production")
app.wsgi_app = ProxyFix(app.wsgi_app, x_proto=1, x_host=1)

# configure the database
app.config["SQLALCHEMY_DATABASE_URI"] = os.environ.get("DATABASE_URL", "sqlite:///academic_review.db")
app.config["SQLALCHEMY_ENGINE_OPTIONS"] = {
    "pool_recycle": 300,
    "pool_pre_ping": True,
}

# File upload configuration
app.config['UPLOAD_FOLDER'] = 'uploads'
app.config['MAX_CONTENT_LENGTH'] = 16 * 1024 * 1024  # 16MB max file size

# initialize the app with the extension
db.init_app(app)

# Create upload directory if it doesn't exist
os.makedirs(app.config['UPLOAD_FOLDER'], exist_ok=True)

with app.app_context():
    # Make sure to import the models here or their tables won't be created
    import models  # noqa: F401
    db.create_all()

# Import routes after app initialization
from routes import *  # noqa: F401, E402