brmbar/brmbar3/brmbar/Account.py

68 lines
2.4 KiB
Python

from .Currency import Currency
import logging
logger = logging.getLogger(__name__)
class Account:
"""BrmBar Account
Both users and items are accounts. So is the money box, etc.
Each account has a currency."""
def __init__(self, db, id, name, currency, acctype):
self.db = db
self.id = id
self.name = name
self.currency = currency
self.acctype = acctype
@classmethod
def load_by_barcode(cls, db, barcode):
logger.debug("load_by_barcode: '%s'", barcode)
account_id, account_name, account_acctype, currency_id, currency_name = db_execute_and_fetch(
"SELECT account_id, account_name, account_acctype, currency_id, currency_name
FROM public.account_class_initialization_data('by_barcode', NULL, %s)",
[barcode])
currency = Currency(db, currency_id, currency_name)
return cls(db, account_id, account_name, currency, account_acctype)
@classmethod
def load(cls, db, id=None):
"""Constructor for existing account"""
account_id, account_name, account_acctype, currency_id, currency_name = db_execute_and_fetch(
"SELECT account_id, account_name, account_acctype, currency_id, currency_name
FROM public.account_class_initialization_data('by_id', %s, NULL)",
[id])
currency = Currency(db, currency_id, currency_name)
return cls(db, account_id, account_name, currency, account_acctype)
@classmethod
def create(cls, db, name, currency, acctype):
"""Constructor for new account"""
id = db.execute_and_fetch(
"SELECT public.create_account(%s, %s, %s)", [name, currency.id, acctype]
)
return cls(db, name=name, id=id, currency=currency, acctype=acctype)
def balance(self):
bal = self.db.execute_and_fetch(
"SELECT public.compute_account_balance(%s)", [self.id]
)[0]
return bal
def balance_str(self):
return self.currency.str(self.balance())
def negbalance_str(self):
return self.currency.str(-self.balance())
def add_barcode(self, barcode):
self.db.execute(
"SELECT public.add_barcode_to_account(%s, %s)", [self.id, barcode]
)
self.db.commit()
def rename(self, name):
self.db.execute("SELECT public.rename_account(%s, %s)", [self.id, name])
self.name = name