Update app.py

app.py

@@ -2,12 +2,14 @@ import os
 import base64
 import io
 from functools import wraps
-import qrcode
+from datetime import datetime, date, timedelta
 
-from flask import Flask, render_template, request, Response
+import qrcode
+from flask import Flask, render_template, request, Response, url_for
 from flask_sqlalchemy import SQLAlchemy
 from flask_admin import Admin, AdminIndexView
 from flask_admin.contrib.sqla import ModelView
+from sqlalchemy import func
 
 # --- KONFIGURASI APLIKASI ---
 app = Flask(__name__)
@@ -16,6 +18,7 @@ app.config['SECRET_KEY'] = os.environ.get('SECRET_KEY', 'default-super-secret-ke
 # --- KONFIGURASI DATABASE ---
 # Gunakan direktori /tmp yang dijamin bisa ditulisi di semua lingkungan container.
 DATA_DIR = '/tmp'
+# Pastikan direktori ada, buat jika belum ada.
 os.makedirs(DATA_DIR, exist_ok=True) 
 
 # Tentukan path lengkap ke file database di dalam direktori /tmp
@@ -36,6 +39,24 @@ class Product(db.Model):
     def __repr__(self):
         return f'<Product {self.name}>'
 
+class Setting(db.Model):
+    id = db.Column(db.Integer, primary_key=True)
+    key = db.Column(db.String(50), unique=True, nullable=False)
+    value = db.Column(db.Text, nullable=True)
+
+    def __repr__(self):
+        return f'<Setting {self.key}>'
+
+class Sale(db.Model):
+    id = db.Column(db.Integer, primary_key=True)
+    product_name = db.Column(db.String(100), nullable=False)
+    quantity = db.Column(db.Integer, nullable=False)
+    total_price = db.Column(db.Float, nullable=False)
+    sale_date = db.Column(db.DateTime, nullable=False, default=datetime.utcnow)
+
+    def __repr__(self):
+        return f'<Sale of {self.product_name}>'
+
 
 # --- INISIALISASI DATABASE OTOMATIS ---
 with app.app_context():
@@ -65,18 +86,66 @@ def protected(f):
 
 
 # --- PENGATURAN ADMIN PANEL ---
-class SecureAdminIndexView(AdminIndexView):
-    @protected
-    def dispatch_request(self, *args, **kwargs):
-        return super(SecureAdminIndexView, self).dispatch_request(*args, **kwargs)
 
+# Buat Dashboard View kustom kita
+class DashboardView(AdminIndexView):
+    def get_setting(self, key, default=''):
+        """Helper untuk mengambil nilai dari tabel Setting."""
+        setting = Setting.query.filter_by(key=key).first()
+        return setting.value if setting else default
+
+    def get_sales_data(self):
+        """Query data penjualan untuk 7 hari terakhir."""
+        today = date.today()
+        seven_days_ago = today - timedelta(days=6)
+
+        sales = db.session.query(
+            func.date(Sale.sale_date).label('date'),
+            func.sum(Sale.total_price).label('total')
+        ).filter(
+            Sale.sale_date >= seven_days_ago
+        ).group_by(
+            func.date(Sale.sale_date)
+        ).order_by(
+            func.date(Sale.sale_date)
+        ).all()
+        
+        # Buat dictionary untuk memetakan tanggal ke total penjualan
+        sales_dict = {s.date.strftime('%Y-%m-%d'): s.total for s in sales}
+        
+        # Siapkan label dan data untuk 7 hari terakhir, isi 0 jika tidak ada penjualan
+        labels = [(today - timedelta(days=i)).strftime('%a, %d') for i in range(6, -1, -1)]
+        data = [sales_dict.get((today - timedelta(days=i)).strftime('%Y-%m-%d'), 0) for i in range(6, -1, -1)]
+
+        return labels, data
+
+    @protected # Pastikan dashboard ini juga dilindungi password
+    def index(self):
+        cafe_name = self.get_setting('cafe_name', 'Bit & Bean Coffee')
+        logo_url = self.get_setting('logo_url', url_for('static', filename='img/logo.png'))
+        
+        chart_labels, chart_data = self.get_sales_data()
+        
+        return self.render('admin/dashboard.html', 
+                           cafe_name=cafe_name, 
+                           logo_url=logo_url,
+                           chart_labels=chart_labels,
+                           chart_data=chart_data)
+
+# Buat ModelView yang aman
 class SecureModelView(ModelView):
     @protected
     def dispatch_request(self, *args, **kwargs):
         return super(SecureModelView, self).dispatch_request(*args, **kwargs)
 
-admin = Admin(app, name='Bit & Bean Admin', template_mode='bootstrap4', index_view=SecureAdminIndexView())
+# Inisialisasi admin dengan DashboardView kustom kita
+admin = Admin(app, name='Bit & Bean Dashboard', template_mode='bootstrap4', 
+              index_view=DashboardView(name='Dashboard', url='/admin'))
+
+# Tambahkan semua model ke admin panel
 admin.add_view(SecureModelView(Product, db.session))
+admin.add_view(SecureModelView(Sale, db.session, category='Laporan'))
+admin.add_view(SecureModelView(Setting, db.session, category='Pengaturan'))
 
 
 # --- FUNGSI QR CODE ---
@@ -97,7 +166,9 @@ def home():
     products_from_db = Product.query.all()
     products_with_qr = []
     for product in products_from_db:
-        product_url = f"https://BitBean-company.hf.space/product/{product.id}" # Sesuai URL Anda
+        # !! PENTING: Pastikan URL ini sesuai dengan URL Hugging Face Space Anda !!
+        product_url = f"https://BitBean-company.hf.space/product/{product.id}"
+        
         product_data = {
             "id": product.id,
             "name": product.name,
@@ -107,4 +178,5 @@ def home():
             "qr_code": generate_qr_code(product_url)
         }
         products_with_qr.append(product_data)
+        
     return render_template('index.html', products=products_with_qr)