UI Login

main.py

@@ -274,4 +274,64 @@ def apply_discounts_and_promo(cart_items, promo_code=None):
         'promo_code': promo_applied,
         'promo_discount': round(promo_discount,2),
         'total': round(total,2)
-    }
+    }
+
+
+
+
+
+
+# wilayah UI (universitas indonesia)
+
+
+
+class App:
+    def __init__(self, root):
+        self.root = root
+        self.root.title("Cafe App")
+        self.session = None
+        self.img_cache = {}  
+        self.setup_ui()
+
+    def setup_ui(self):
+        self.root.geometry("1000x650")
+        self.root.resizable(False, False)
+        self.login_frame()
+
+
+# windah batubara
+
+# tampilan login
+
+    def login_frame(self):
+        for w in self.root.winfo_children():
+            w.destroy()
+        frame = ttk.Frame(self.root, padding=20)
+        frame.pack(expand=True)
+
+        ttk.Label(frame, text="LOGIN", font=("Arial", 24)).grid(row=0, column=0, columnspan=2, pady=10)
+
+        ttk.Label(frame, text="Username:").grid(row=1, column=0, sticky='e', pady=5)
+        self.username_var = tk.StringVar()
+        ttk.Entry(frame, textvariable=self.username_var, width=30).grid(row=1, column=1, pady=5)
+
+        ttk.Label(frame, text="Password:").grid(row=2, column=0, sticky='e', pady=5)
+        self.password_var = tk.StringVar()
+        ttk.Entry(frame, textvariable=self.password_var, show="*", width=30).grid(row=2, column=1, pady=5)
+
+        ttk.Button(frame, text="Login", command=self.handle_login).grid(row=3, column=0, columnspan=2, pady=12)
+        ttk.Button(frame, text="Run Demo Tests (seed data)", command=self.run_demo_tests).grid(row=4,column=0,columnspan=2,pady=6)
+
+    def handle_login(self):
+        u = self.username_var.get().strip()
+        p = self.password_var.get().strip()
+        if not u or not p:
+            messagebox.showwarning("Input", "Masukkan username & password")
+            return
+        user = authenticate(u,p)
+        if not user:
+            messagebox.showerror("Gagal", "Username atau password salah")
+            return
+        self.session = user
+        messagebox.showinfo("Sukses", f"Login berhasil sebagai {user['role']}")
+        self.dashboard_frame()