implemented basis of login, missing database connection.

app/routes/login_routes.py

@@ -0,0 +1,49 @@
+from flask import Blueprint, render_template, request, url_for, redirect
+from werkzeug.security import generate_password_hash, check_password_hash
+from flask_login import login_user
+from ..models.user import User
+from .. import db
+
+login_bp = Blueprint("login", __name__)
+
+@login_bp.route("/register", methods=["GET", "POST"])
+def register():
+    if request.method == "POST":
+        username = request.form.get("username")
+        password = request.form.get("password")
+        email = request.form.get("email")
+
+        if User.query.filter_by(username=username).first():
+            return render_template("sign_up.html", error="Username already taken!")
+
+        hashed_password = generate_password_hash(password)
+
+        new_user = User(
+            username=username,
+            password=hashed_password,
+            email=email
+        )
+
+        db.session.add(new_user)
+        db.session.commit()
+
+        return redirect(url_for("login.login"))
+
+    return render_template("sign_up.html")
+
+
+@login_bp.route("/login", methods=["GET", "POST"])
+def login():
+    if request.method == "POST":
+        username = request.form.get("username")
+        password = request.form.get("password")
+
+        user = User.query.filter_by(username=username).first()
+
+        if user and check_password_hash(user.password, password):
+            login_user(user)
+            return redirect(url_for("main.dashboard"))
+
+        return render_template("login.html", error="Invalid username or password")
+
+    return render_template("login.html")