(feat): Added PostgreSQL connection string encoding.

models/__init__.py

@@ -1,5 +1,22 @@
+import os
 from flask_sqlalchemy import SQLAlchemy
-from flask_bcrypt import Bcrypt
+from dotenv import load_dotenv
+from urllib.parse import quote_plus
+
+load_dotenv()
+
+PG_USER = quote_plus(os.getenv('PG_USER'))
+PG_PASSWORD = quote_plus(os.getenv('PG_PASSWORD'))
+PG_HOST = os.getenv('PG_HOST')
+PG_PORT = os.getenv('PG_PORT')
+PG_DATABASE = os.getenv('PG_DATABASE')
+
+DATABASE_URI = f"postgresql+psycopg2://{PG_USER}:{PG_PASSWORD}@{PG_HOST}:{PG_PORT}/{PG_DATABASE}"
 
 db = SQLAlchemy()
-bcrypt = Bcrypt()
+
+def init_db(app):
+    """Initialize the SQLAlchemy app with the configuration."""
+    app.config['SQLALCHEMY_DATABASE_URI'] = DATABASE_URI
+    app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
+    db.init_app(app)