mirror of
https://github.com/QualityInUse/lab-testing-maksktl.git
synced 2026-08-05 13:45:26 +03:00
github-classroom[bot]
35 lines
1.6 KiB
Python
35 lines
1.6 KiB
Python
class Transaction:
|
|
def __init__(self, database):
|
|
self.database = database
|
|
|
|
def deposit(self, account_id, amount):
|
|
if amount <= 0:
|
|
raise ValueError("Amount must be positive.")
|
|
account = self.database.get_account(account_id)
|
|
if not account:
|
|
raise ValueError("Account does not exist.")
|
|
new_balance = account[3] + amount
|
|
self.database.update_account_balance(account_id, new_balance)
|
|
self.database.add_transaction(None, account_id, amount, "deposit")
|
|
|
|
def withdraw(self, account_id, amount):
|
|
if amount <= 0:
|
|
raise ValueError("Amount must be positive.")
|
|
account = self.database.get_account(account_id)
|
|
if account[3] < amount:
|
|
raise ValueError("Insufficient funds.")
|
|
new_balance = account[3] - amount
|
|
self.database.update_account_balance(account_id, new_balance)
|
|
self.database.add_transaction(account_id, None, amount, "withdrawal")
|
|
|
|
def transfer(self, from_account_id, to_account_id, amount):
|
|
if amount <= 0:
|
|
raise ValueError("Amount must be positive.")
|
|
from_account = self.database.get_account(from_account_id)
|
|
to_account = self.database.get_account(to_account_id)
|
|
if from_account[3] < amount:
|
|
raise ValueError("Insufficient funds in the source account.")
|
|
self.database.update_account_balance(from_account_id, from_account[3] - amount)
|
|
self.database.update_account_balance(to_account_id, to_account[3] + amount)
|
|
self.database.add_transaction(from_account_id, to_account_id, amount, "transfer")
|