.env and test on server.py

.env

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+DB_USERNAME=new_user
+DB_PASSWORD=password
+DB_HOST=localhost
+DB_PORT=3306
+DB_NAME=UseCaseDB

.gitignore

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+.venvManjaro/
+app/__pycache__/
+app/models/__pycache__/
+app/codes/__pycache__/
+migrations/*

app/__init__.py

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+from flask import Flask
+from dotenv import load_dotenv
+from flask_migrate import Migrate
+from flask_sqlalchemy import SQLAlchemy
+import os
+
+# Cargar las variables de entorno desde .env
+
+db = SQLAlchemy()
+migrate = Migrate()  # Inicializar Migrate
+
+def create_app():
+    app = Flask(__name__)
+    
+    load_dotenv()
+
+    app.config['SECRET_KEY'] = 'mi_secreto'
+
+    app.config['SQLALCHEMY_DATABASE_URI'] = f"mysql+pymysql://{os.getenv('DB_USERNAME')}:{os.getenv('DB_PASSWORD')}@{os.getenv('DB_HOST')}:{os.getenv('DB_PORT')}/{os.getenv('DB_NAME')}"
+    app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
+    db.init_app(app)
+    migrate.init_app(app, db)  # Asocia migrate con la app y la base de datos
+
+    from app.codes.user import user
+    app.register_blueprint(user, url_prefix='/user')
+
+    return app

app/codes/user.py

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+from flask import Blueprint, request, jsonify, current_app
+import datetime
+import jwt
+
+from app.models.user import User
+from app import db
+
+user = Blueprint('user', __name__)
+
+@user.route('/login', methods=['POST'])
+def login():
+    data = request.get_json()
+    username = data.get('username')
+    password = data.get('password')
+
+    if username and password:
+        user = User.query.filter_by(username=username).first()
+        if user and user.check_password(password):
+            token = jwt.encode({
+                'username': username,
+                'exp': datetime.datetime.now(datetime.timezone.utc) + datetime.timedelta(hours=1)
+            }, current_app.config['SECRET_KEY'], algorithm='HS256')
+            return jsonify({'token': token})
+
+    return jsonify({'message': 'Credenciales inválidas'}), 401
+
+@user.route('/register', methods=['POST'])
+def register():
+    data = request.get_json()
+    username = data.get('username')
+    password = data.get('password')
+    password_confirm = data.get('password_confirm')
+
+    user = User.query.filter_by(username=username).first()
+    if not user and password == password_confirm:
+        new_user = User(username=username)
+        new_user.set_password(password)  # Establecer el hash de la contraseña
+        db.session.add(new_user)
+        db.session.commit()  # Guardar cambios en la base de datos
+        return jsonify({"success": True}), 200
+    else:
+        return jsonify({'error': False}), 400

app/models/user.py

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+from app import db
+from werkzeug.security import generate_password_hash, check_password_hash
+
+class User(db.Model):
+    __tablename__ = 'users'
+
+    # Asegúrate de que esto coincida con Image.creator
+    username = db.Column(db.String(80), primary_key=True)
+    # Longitud de la contraseña
+    password_hash = db.Column(db.String(256), nullable=False)
+
+    def set_password(self, password):
+        """Genera el hash de la contraseña."""
+        self.password_hash = generate_password_hash(password, method="pbkdf2")
+
+    def check_password(self, password):
+        """Verifica si el hash coincide con la contraseña proporcionada."""
+        return check_password_hash(self.password_hash, password)

server.py

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+from app import create_app
+from flask import render_template, session, redirect
+
+app = create_app()
+
+@app.route('/', methods = ['GET'])
+def index():
+	userId = session.get('userId')
+	if userId:
+			return "test"
+	else:
+			return "test"
+
+if __name__ == "__main__":
+    app.run(debug=True, port="8080")