Initial App Commit with Login and Auth

app/controllers/auth_controller.py

@@ -0,0 +1,31 @@
+from flask import Blueprint, request, redirect, url_for, flash, render_template
+from flask_login import login_user, logout_user
+from app.models.users import User
+
+
+auth = Blueprint('auth', __name__)
+
+
+def _authenticate(username, password):
+    user = User.query.filter_by(username=username).first()
+    if user and user.password == password:  
+        return user  
+    return None
+
+def login():
+    if request.method == 'POST':
+        username = request.form.get('username')
+        password = request.form.get('password')
+        user = _authenticate(username, password)
+        if user:
+            login_user(user)
+            flash('Logged in successfully!', 'success')
+            return redirect(url_for('main.users_route'))  
+        else:
+            flash('Invalid username or password.', 'danger')
+    return render_template('login.html')
+
+def logout():
+    logout_user()
+    flash('You have been logged out.', 'info')
+    return redirect(url_for('main.login_route'))