modified: Dockerfile

modified:   README.md
	modified:   app.py
	new file:   blueprints/__init__.py
	new file:   blueprints/__pycache__/.gitignore
	new file:   blueprints/auth.py
	new file:   blueprints/finance.py
	new file:   blueprints/inventory.py
	new file:   blueprints/pos.py
	new file:   blueprints/sales.py
	new file:   core/__pycache__/.gitignore
	new file:   core/db.py
	new file:   core/db/.gitignore
	new file:   core/events.py
	new file:   core/openfood.py
	new file:   core/utils.py
	modified:   static/style.css
	modified:   templates/checkout.html
	modified:   templates/dicom.html
	modified:   templates/login.html
	modified:   templates/macros/base.html
	modified:   templates/macros/modals.html
	modified:   templates/macros/navbar.html

core/db.py

@@ -0,0 +1,79 @@
+import sqlite3
+
+_db_file = None
+
+def init_db(db_file):
+    global _db_file
+    _db_file = db_file
+    
+    with get_db_connection() as conn:
+        conn.execute('''CREATE TABLE IF NOT EXISTS users 
+                        (id INTEGER PRIMARY KEY, username TEXT UNIQUE, password TEXT)''')
+        
+        conn.execute('''CREATE TABLE IF NOT EXISTS products 
+                        (barcode TEXT PRIMARY KEY, 
+                         name TEXT, 
+                         price REAL, 
+                         image_url TEXT, 
+                         stock REAL DEFAULT 0, 
+                         unit_type TEXT DEFAULT 'unit')''')
+        
+        conn.execute('''CREATE TABLE IF NOT EXISTS sales 
+                        (id INTEGER PRIMARY KEY AUTOINCREMENT, 
+                         date TEXT DEFAULT CURRENT_TIMESTAMP, 
+                         total REAL, 
+                         payment_method TEXT)''')
+                          
+        conn.execute('''CREATE TABLE IF NOT EXISTS sale_items 
+                        (id INTEGER PRIMARY KEY AUTOINCREMENT, 
+                         sale_id INTEGER, 
+                         barcode TEXT, 
+                         name TEXT, 
+                         price REAL, 
+                         quantity REAL, 
+                         subtotal REAL,
+                         FOREIGN KEY(sale_id) REFERENCES sales(id))''')
+        
+        conn.execute('''CREATE TABLE IF NOT EXISTS dicom 
+                        (id INTEGER PRIMARY KEY AUTOINCREMENT, 
+                         name TEXT UNIQUE, 
+                         amount REAL DEFAULT 0, 
+                         notes TEXT,
+                         image_url TEXT,
+                         last_updated TEXT DEFAULT CURRENT_TIMESTAMP)''')
+        
+        conn.execute('''CREATE TABLE IF NOT EXISTS debtors 
+                        (id INTEGER PRIMARY KEY AUTOINCREMENT, 
+                         name TEXT UNIQUE, 
+                         contact_info TEXT)''')
+        
+        conn.execute('''CREATE TABLE IF NOT EXISTS debtor_tickets 
+                        (id INTEGER PRIMARY KEY AUTOINCREMENT, 
+                         debtor_id INTEGER NOT NULL,
+                         date TEXT DEFAULT CURRENT_TIMESTAMP, 
+                         total REAL NOT NULL,
+                         amount_paid REAL DEFAULT 0,
+                         status TEXT DEFAULT 'unpaid',
+                         FOREIGN KEY(debtor_id) REFERENCES debtors(id) ON DELETE CASCADE)''')
+        
+        conn.execute('''CREATE TABLE IF NOT EXISTS debtor_ticket_items 
+                        (id INTEGER PRIMARY KEY AUTOINCREMENT, 
+                         ticket_id INTEGER NOT NULL,
+                         barcode TEXT, 
+                         name TEXT, 
+                         price REAL, 
+                         quantity REAL, 
+                         subtotal REAL,
+                         FOREIGN KEY(ticket_id) REFERENCES debtor_tickets(id) ON DELETE CASCADE)''')
+        
+        user = conn.execute('SELECT * FROM users WHERE username = ?', ('admin',)).fetchone()
+        if not user:
+            from werkzeug.security import generate_password_hash
+            hashed_pw = generate_password_hash('choripan1234')
+            conn.execute('INSERT INTO users (username, password) VALUES (?, ?)', ('admin', hashed_pw))
+        conn.commit()
+
+def get_db_connection():
+    if _db_file is None:
+        raise RuntimeError("Database not initialized. Call init_db(db_file) first.")
+    return sqlite3.connect(_db_file)