finyally get the DB done

just wannya go home

app/app.py

@@ -1,14 +1,14 @@
-from urllib import request
-
-from flask import *
+from flask import request, redirect, session, render_template, send_from_directory, Flask
 from os import path, walk
 
 import hashlib
 
 import configparser
 
-from sqlalchemy import create_engine
+from sqlalchemy import create_engine, Column, Integer, String
 from sqlalchemy.orm import scoped_session,sessionmaker
+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy.sql import text
 
 config = configparser.ConfigParser()
 config.read('config.ini')
@@ -20,8 +20,18 @@ databaseUsername = str(config['DATABASE']['username'])
 databasePassword = str(config['DATABASE']['password'])
 databaseName = str(config['DATABASE']['name'])
 
-engine=create_engine("postgresql://" + databaseUsername + ":" + databasePassword + "@localhost/" + databaseName)
-db=scoped_session(sessionmaker(bind=engine))
+engine = create_engine(f"postgresql://{databaseUsername}:{databasePassword}@localhost/{databaseName}")
+db = scoped_session(sessionmaker(bind=engine))
+
+Base = declarative_base()
+
+class User(Base):
+    __tablename__ = 'users'
+    id = Column(Integer, primary_key=True)
+    username = Column(String, unique=True, nullable=False)
+    password = Column(String, nullable=False)
+
+Base.metadata.create_all(engine)
 
 app = Flask(__name__)
 
@@ -40,14 +50,47 @@ def home():
     return render_template('index.j2', instanceLocation=instanceLocation, instanceBranding=instanceBranding)
 
 
-@app.route('/auth/login/')
+@app.route('/auth/login/', methods=['GET', 'POST'])
 def login():
+    if request.method == 'POST':
+        username = request.form['username']
+        password = encrypt(request.form['password'])
+
+        user = db.execute(text("SELECT * FROM users WHERE username = :username AND password = :password"),
+                          {"username": username, "password": password}).fetchone()        
+
+        if user:
+            session['user_id'] = user.id
+            return redirect('/')
+        else:
+            return "Invalid credentials!"
     return render_template('login.j2', instanceLocation=instanceLocation, instanceBranding=instanceBranding)
 
-@app.route('/auth/register/')
+@app.route('/auth/register/', methods=['GET', 'POST'])
 def register():
+    if request.method == 'POST':
+        username = request.form['username']
+        password = encrypt(request.form['password'])
+        print(username)
+
+        # check if username exists
+        existing_user = db.execute(text("SELECT * FROM users WHERE username = :username"),
+                                   {"username": username}).fetchone()
+        if existing_user:
+            return "User already exists!"
+
+        # insert new user
+        db.execute(text("INSERT INTO users (username, password) VALUES (:username, :password)"),
+                   {"username": username, "password": password})
+        db.commit()
+        return redirect('/auth/login/')  # redirect to login page after successful registration
     return render_template('register.j2', instanceLocation=instanceLocation, instanceBranding=instanceBranding)
 
+@app.route('/auth/logout/')
+def logout():
+    session.pop('user_id', None)
+    return redirect('/')
+
 @app.route('/assets/css/index.css')
 def index_css():
     return send_from_directory('static/assets/css', 'index.css')

app/templates/login.j2

@@ -11,19 +11,11 @@
             <h1>
                 Login to {{ instanceLocation }}'s Nyxask!
             </h1>
-            <label for="name">Username: </label>
-            <input
-            type="text"
-            id="name"
-            name="name"
-            size="10" />
-            <br>
-            <label for="password">Password: </label>
-            <input
-            type="password"
-            id="password"
-            name="password"
-            size="10" />
+            <form method="POST">
+                <input type="text" name="username" placeholder="Username" required>
+                <input type="password" name="password" placeholder="Password" required>
+                <button type="submit">Login</button>
+            </form>
         </div>
     </body>
 </html>

app/templates/register.j2

@@ -11,52 +11,10 @@
             <h1>
                 Register at {{ instanceLocation }}
             </h1>
-            <form>
-                <label>
-                    <input
-                        placeholder="username"
-                        type="text"
-                        name="username"
-                        size="10"
-                        required
-                    />
-                </label>
-                <br>
-                <br>
-                <label>
-                    <input
-                        placeholder="password"
-                        type="password"
-                        name="password"
-                        size="10"
-                        required
-                    />
-                </label>
-                <label>
-                    <input
-                        placeholder="confirm password"
-                        type="password"
-                        name="confirm"
-                        size="10"
-                        required
-                    />
-                </label>
-                <br>
-                <br>
-                <label>
-                    Agree to the rules
-                    <input
-                        type="checkbox"
-                        name="scales"
-                        required
-                    />
-                </label>
-                <br>
-                <br>
-                <input
-                    type="submit"
-                    value="Register"
-                />
+            <form method="POST">
+                <input type="text" name="username" placeholder="Username" required>
+                <input type="password" name="password" placeholder="Password" required>
+                <button type="submit">register</button>
             </form>
         </div>
     </body>