Initial commit

app/bank.py

@@ -0,0 +1,69 @@
+from .database import Database
+from .transaction import Transaction
+from .customer import Customer
+from .account import Account
+
+class Bank:
+    def __init__(self, db_path='bank.db'):
+        self.database = Database(db_path)
+        self.transaction_system = Transaction(self.database)
+
+    def add_customer(self, name, address):
+        """Add a new customer to the bank."""
+        return self.database.add_customer(name, address)
+
+    def update_customer_details(self, customer_id, name, address):
+        """Update details for an existing customer."""
+        self.database.update_customer(customer_id, name, address)
+
+    def delete_customer(self, customer_id):
+        """Remove a customer and their accounts from the bank."""
+
+        accounts = self.database.get_customer_accounts(customer_id)
+        for account in accounts:
+            self.close_account(account[0])
+        self.database.delete_customer(customer_id)
+
+    def open_account(self, customer_id, account_type, balance):
+        """Open a new account for an existing customer."""
+
+        account = Account(self.database, customer_id=customer_id, account_type=account_type, balance=balance)
+        return account.account_id
+
+    def close_account(self, account_id):
+        """Close an existing account."""
+
+        self.database.delete_account(account_id)
+
+    def deposit_to_account(self, account_id, amount):
+        """Deposit money into an account."""
+        self.transaction_system.deposit(account_id, amount)
+
+    def withdraw_from_account(self, account_id, amount):
+        """Withdraw money from an account."""
+        self.transaction_system.withdraw(account_id, amount)
+
+    def transfer_between_accounts(self, from_account_id, to_account_id, amount):
+        """Transfer money between two accounts."""
+        self.transaction_system.transfer(from_account_id, to_account_id, amount)
+
+    def get_customer_accounts(self, customer_id):
+        """Retrieve all accounts associated with a customer."""
+
+        return self.database.get_customer_accounts(customer_id)
+
+    def get_account_transactions(self, account_id):
+        """Get a list of transactions for a specific account."""
+
+        return self.database.get_transactions(account_id)
+
+    def get_all_customers(self):
+        """Retrieve all customers from the bank."""
+        return self.database.get_all_customers()
+    
+    def get_account(self, account_id):
+        """Retrieve details for a specific account."""
+        return self.database.get_account(account_id)
+    
+    def close_connection(self):
+        self.database.close()