Eugen

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[eugenvx]

© 2024 Verghe Eugen Gheorghe

Toate drepturile rezervate.

Aceasta este o lucrare originală și toată proprietatea intelectuală aparține autorului.

from flask import Flask, request, jsonify
from werkzeug.security import generate_password_hash, check_password_hash
from flask_sqlalchemy import SQLAlchemy
from nltk.sentiment import SentimentIntensityAnalyzer

app = Flask(name)
app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///users.db'
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
db = SQLAlchemy(app)
sia = SentimentIntensityAnalyzer()

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)

db.create_all()

@app.route('/register', methods=['POST'])
def register():
username = request.json.get('username')
password = request.json.get('password')

if not username or not password:
    return jsonify({"message": "Username and password are required!"}), 400
if User.query.filter_by(username=username).first():
    return jsonify({"message": "Username already exists!"}), 400

new_user = User(username=username, password_hash=generate_password_hash(password))
db.session.add(new_user)
db.session.commit()
return jsonify({"message": "User registered!"}), 201

@app.route('/login', methods=['POST'])
def login():
username = request.json.get('username')
password = request.json.get('password')

if not username or not password:
    return jsonify({"message": "Username and password are required!"}), 400

user = User.query.filter_by(username=username).first()
if user and check_password_hash(user.password_hash, password):
    return jsonify({"message": "Login successful!"}), 200
return jsonify({"message": "Invalid credentials!"}), 401

@app.route('/analyze_sentiment', methods=['POST'])
def analyze_sentiment():
text = request.json.get('text')

if not text:
    return jsonify({"message": "Text is required!"}), 400

sentiment_scores = sia.polarity_scores(text)
return jsonify(sentiment_scores), 200

if name == 'main':
app.run(debug=True)