Update app.py

app.py

@@ -7,7 +7,7 @@ from datetime import datetime, date, timedelta
 import qrcode
 from flask import Flask, render_template, request, Response, url_for
 from flask_sqlalchemy import SQLAlchemy
-from flask_admin import Admin, AdminIndexView, expose # <-- 1. Perubahan di sini
+from flask_admin import Admin, AdminIndexView, expose
 from flask_admin.contrib.sqla import ModelView
 from sqlalchemy import func
 
@@ -16,13 +16,18 @@ app = Flask(__name__)
 app.config['SECRET_KEY'] = os.environ.get('SECRET_KEY', 'default-super-secret-key-for-local-dev')
 
 # --- 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
 db_path = os.path.join(DATA_DIR, 'database.db')
 app.config['SQLALCHEMY_DATABASE_URI'] = f'sqlite:///{db_path}'
 app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
 db = SQLAlchemy(app)
 
+
 # --- MODEL DATABASE (STRUKTUR TABEL) ---
 class Product(db.Model):
     id = db.Column(db.Integer, primary_key=True)
@@ -30,13 +35,17 @@ class Product(db.Model):
     description = db.Column(db.Text, nullable=False)
     price = db.Column(db.String(50), nullable=False)
     image = db.Column(db.String(100), nullable=True, default='default.jpg')
-    def __repr__(self): return f'<Product {self.name}>'
+
+    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}>'
+
+    def __repr__(self):
+        return f'<Setting {self.key}>'
 
 class Sale(db.Model):
     id = db.Column(db.Integer, primary_key=True)
@@ -44,12 +53,36 @@ class Sale(db.Model):
     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}>'
+
+    def __repr__(self):
+        return f'<Sale of {self.product_name}>'
+
 
 # --- INISIALISASI DATABASE OTOMATIS ---
 with app.app_context():
     db.create_all()
 
+
+# --- CONTEXT PROCESSOR UNTUK ADMIN TEMPLATE ---
+@app.context_processor
+def inject_admin_data():
+    """Menyediakan data global ke semua template admin."""
+    # Mapping nama menu ke kelas ikon Font Awesome untuk sidebar
+    menu_icons = {
+        'Dashboard': 'fa-solid fa-chart-pie',
+        'Product': 'fa-solid fa-mug-hot',
+        'Sale': 'fa-solid fa-cash-register',
+        'Setting': 'fa-solid fa-sliders'
+    }
+    
+    # Fungsi helper agar bisa dipanggil dari master layout
+    def get_setting_from_db(key, default=''):
+        setting = Setting.query.filter_by(key=key).first()
+        return setting.value if setting else default
+        
+    return dict(menu_icons=menu_icons, get_setting=get_setting_from_db)
+
+
 # --- FUNGSI KEAMANAN UNTUK ADMIN PANEL ---
 def check_auth(username, password):
     ADMIN_USER = os.environ.get('ADMIN_USER', 'admin')
@@ -71,13 +104,11 @@ def protected(f):
         return f(*args, **kwargs)
     return decorated
 
+
 # --- PENGATURAN ADMIN PANEL ---
 class DashboardView(AdminIndexView):
-    def get_setting(self, key, default=''):
-        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(
@@ -89,22 +120,34 @@ class DashboardView(AdminIndexView):
         data = [sales_dict.get((today - timedelta(days=i)).strftime('%Y-%m-%d'), 0) for i in range(6, -1, -1)]
         return labels, data
 
-    @expose('/') # <-- 2. Perubahan di sini
+    def get_stats(self):
+        """Menghitung statistik utama untuk dashboard."""
+        stats = {}
+        total_revenue = db.session.query(func.sum(Sale.total_price)).scalar()
+        stats['total_revenue'] = total_revenue or 0
+        stats['total_products'] = Product.query.count()
+        today_sales = Sale.query.filter(func.date(Sale.sale_date) == date.today()).count()
+        stats['today_sales'] = today_sales
+        return stats
+
+    @expose('/')
     @protected
     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()
+        stats = self.get_stats()
+        # Nama Kafe dan Logo sekarang diambil oleh context processor secara global
         return self.render('admin/dashboard.html', 
-                           cafe_name=cafe_name, logo_url=logo_url,
-                           chart_labels=chart_labels, chart_data=chart_data)
+                           chart_labels=chart_labels, 
+                           chart_data=chart_data,
+                           stats=stats)
 
 class SecureModelView(ModelView):
     @protected
     def dispatch_request(self, *args, **kwargs):
         return super(SecureModelView, self).dispatch_request(*args, **kwargs)
 
-admin = Admin(app, name='Bit & Bean Dashboard', template_mode='bootstrap4', 
+admin = Admin(app, name='Bit & Bean Dashboard', template_mode='bootstrap4',
+              base_template='admin/custom_master.html', 
               index_view=DashboardView(name='Dashboard', url='/admin'))
 
 admin.add_view(SecureModelView(Product, db.session))
@@ -130,8 +173,11 @@ def home():
     for product in products_from_db:
         product_url = f"https://BitBean-company.hf.space/product/{product.id}"
         product_data = {
-            "id": product.id, "name": product.name, "description": product.description,
-            "price": product.price, "image": product.image,
+            "id": product.id,
+            "name": product.name,
+            "description": product.description,
+            "price": product.price,
+            "image": product.image,
             "qr_code": generate_qr_code(product_url)
         }
         products_with_qr.append(product_data)