2017-02-20 13:19:03 +01:00
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import conf
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import sqlalchemy
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from db import Transaction, Product, User
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from helpers import less
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from text_interface.helpermenus import Menu, Selector
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class TransferMenu(Menu):
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def __init__(self):
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Menu.__init__(self, 'Transfer credit between users',
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uses_db=True)
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def _execute(self):
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self.print_header()
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2018-08-30 14:59:37 +02:00
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amount = self.input_int('Transfer amount', (1, 100000))
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2018-08-23 13:15:45 +02:00
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self.set_context(f'Transferring {amount:d} kr', display=False)
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2018-08-30 14:59:37 +02:00
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user1 = self.input_user('From user')
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2018-08-23 13:15:45 +02:00
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self.add_to_context(f' from {user1.name}')
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2018-08-30 14:59:37 +02:00
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user2 = self.input_user('To user')
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2018-08-23 13:15:45 +02:00
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self.add_to_context(f' to {user2.name}')
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2018-08-30 14:59:37 +02:00
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comment = self.input_str('Comment')
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2018-08-23 13:15:45 +02:00
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self.add_to_context(f' (comment) {user2.name}')
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2017-02-20 13:19:03 +01:00
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t1 = Transaction(user1, amount,
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2018-08-23 13:15:45 +02:00
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f'transfer to {user2.name} "{comment}"')
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2017-02-20 13:19:03 +01:00
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t2 = Transaction(user2, -amount,
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2018-08-23 13:15:45 +02:00
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f'transfer from {user1.name} "{comment}"')
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2017-02-20 13:19:03 +01:00
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t1.perform_transaction()
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t2.perform_transaction()
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self.session.add(t1)
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self.session.add(t2)
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try:
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self.session.commit()
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2018-08-23 13:15:45 +02:00
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print(f"Transferred {amount:d} kr from {user1} to {user2}")
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print(f"User {user1}'s credit is now {user1.credit:d} kr")
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print(f"User {user2}'s credit is now {user2.credit:d} kr")
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print(f"Comment: {comment}")
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2018-08-19 16:38:45 +02:00
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except sqlalchemy.exc.SQLAlchemyError as e:
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2018-08-23 13:15:45 +02:00
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print(f'Could not perform transfer: {e}')
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2017-02-20 13:19:03 +01:00
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# self.pause()
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class ShowUserMenu(Menu):
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def __init__(self):
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Menu.__init__(self, 'Show user', uses_db=True)
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def _execute(self):
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self.print_header()
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2018-08-30 14:59:37 +02:00
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user = self.input_user('User name, card number or RFID')
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2018-08-23 13:15:45 +02:00
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print(f'User name: {user.name}')
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print(f'Card number: {user.card}')
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print(f'RFID: {user.rfid}')
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print(f'Credit: {user.credit} kr')
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selector = Selector(f'What do you want to know about {user.name}?',
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2017-02-20 13:19:03 +01:00
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items=[('transactions', 'Recent transactions (List of last ' + str(
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conf.user_recent_transaction_limit) + ')'),
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2018-08-23 13:15:45 +02:00
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('products', f'Which products {user.name} has bought, and how many'),
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2017-02-20 13:19:03 +01:00
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('transactions-all', 'Everything (List of all transactions)')])
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what = selector.execute()
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if what == 'transactions':
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self.print_transactions(user, conf.user_recent_transaction_limit)
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elif what == 'products':
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self.print_purchased_products(user)
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elif what == 'transactions-all':
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self.print_all_transactions(user)
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else:
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2018-08-19 16:38:45 +02:00
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print('What what?')
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2017-02-20 13:19:03 +01:00
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2018-08-23 13:15:45 +02:00
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# TODO: This is almost identical to the print_transactions function. Reimplement using that one?
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2017-02-20 13:19:03 +01:00
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@staticmethod
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def print_all_transactions(user):
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num_trans = len(user.transactions)
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2018-08-23 13:15:45 +02:00
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string = f"{user.name}'s transactions ({num_trans:d}):\n"
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2017-02-20 13:19:03 +01:00
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for t in user.transactions[::-1]:
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string += ' * %s: %s %d kr, ' % \
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(t.time.strftime('%Y-%m-%d %H:%M'),
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2018-08-23 13:15:45 +02:00
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'in' if t.amount < 0 else 'out',
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2017-02-20 13:19:03 +01:00
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abs(t.amount))
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if t.purchase:
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2018-08-23 13:15:45 +02:00
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# TODO: Print purchased amount, not just product names
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# TODO: Print something other than "purchase" when user put products into dibbler?
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2017-02-20 13:19:03 +01:00
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string += 'purchase ('
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2018-08-19 16:38:45 +02:00
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string += ', '.join([e.product.name for e in t.purchase.entries])
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2017-02-20 13:19:03 +01:00
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string += ')'
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if t.penalty > 1:
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2018-08-23 13:15:45 +02:00
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string += f' * {t.penalty:d}x penalty applied'
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2017-02-20 13:19:03 +01:00
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else:
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string += t.description
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string += '\n'
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less(string)
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@staticmethod
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def print_transactions(user, limit=10):
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num_trans = len(user.transactions)
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if num_trans <= limit:
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2018-08-23 13:15:45 +02:00
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string = f"{user.name}'s transactions ({num_trans:d}):\n"
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2017-02-20 13:19:03 +01:00
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else:
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2018-08-23 13:15:45 +02:00
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string = f"{user.name}'s transactions ({num_trans:d}, showing only last {limit:d}):\n"
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2017-02-20 13:19:03 +01:00
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for t in user.transactions[-1:-limit - 1:-1]:
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string += ' * %s: %s %d kr, ' % \
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(t.time.strftime('%Y-%m-%d %H:%M'),
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2018-08-23 13:15:45 +02:00
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'in' if t.amount < 0 else 'out',
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2017-02-20 13:19:03 +01:00
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abs(t.amount))
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if t.purchase:
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string += 'purchase ('
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2018-08-19 16:38:45 +02:00
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string += ', '.join([e.product.name for e in t.purchase.entries])
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2017-02-20 13:19:03 +01:00
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string += ')'
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if t.penalty > 1:
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2018-08-23 13:15:45 +02:00
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string += f' * {t.penalty:d}x penalty applied'
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2017-02-20 13:19:03 +01:00
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else:
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string += t.description
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string += '\n'
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less(string)
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@staticmethod
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def print_purchased_products(user):
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products = []
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for ref in user.products:
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product = ref.product
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count = ref.count
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2017-02-26 14:26:17 +01:00
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if count > 0:
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products.append((product, count))
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2017-02-20 13:19:03 +01:00
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num_products = len(products)
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if num_products == 0:
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2018-08-19 16:38:45 +02:00
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print('No products purchased yet')
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2017-02-20 13:19:03 +01:00
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else:
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text = ''
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text += 'Products purchased:\n'
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for product, count in products:
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2018-08-23 13:15:45 +02:00
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text += f'{product.name:<47} {count:>3}\n'
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2017-02-20 13:19:03 +01:00
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less(text)
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class UserListMenu(Menu):
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def __init__(self):
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Menu.__init__(self, 'User list', uses_db=True)
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def _execute(self):
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self.print_header()
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user_list = self.session.query(User).all()
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total_credit = self.session.query(sqlalchemy.func.sum(User.credit)).first()[0]
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line_format = '%-12s | %6s\n'
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hline = '---------------------\n'
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text = ''
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text += line_format % ('username', 'credit')
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text += hline
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for user in user_list:
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text += line_format % (user.name, user.credit)
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text += hline
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text += line_format % ('total credit', total_credit)
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less(text)
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2018-08-23 13:15:45 +02:00
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# reimplements ChargeMenu
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# TODO: these should be combined to one
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class AdjustCreditMenu(Menu):
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2017-02-20 13:19:03 +01:00
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def __init__(self):
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Menu.__init__(self, 'Adjust credit', uses_db=True)
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def _execute(self):
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self.print_header()
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2018-08-30 14:59:37 +02:00
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user = self.input_user('User')
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2018-08-23 13:15:45 +02:00
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print(f"User {user.name}'s credit is {user.credit:d} kr")
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self.set_context(f'Adjusting credit for user {user.name}', display=False)
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2018-08-19 16:38:45 +02:00
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print('(Note on sign convention: Enter a positive amount here if you have')
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print('added money to the PVVVV money box, a negative amount if you have')
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print('taken money from it)')
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2018-08-30 14:59:37 +02:00
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amount = self.input_int('Add amount', allowed_range=(-100000, 100000))
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2018-08-19 16:38:45 +02:00
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print('(The "log message" will show up in the transaction history in the')
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print('"Show user" menu. It is not necessary to enter a message, but it')
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print('might be useful to help you remember why you adjusted the credit)')
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2018-08-30 14:59:37 +02:00
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description = self.input_str('Log message', length_range=(0, 50))
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2017-02-20 13:19:03 +01:00
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if description == '':
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description = 'manually adjusted credit'
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transaction = Transaction(user, -amount, description)
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transaction.perform_transaction()
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self.session.add(transaction)
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try:
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self.session.commit()
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2018-08-23 13:15:45 +02:00
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print(f"User {user.name}'s credit is now {user.credit:d} kr")
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2018-08-19 16:38:45 +02:00
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except sqlalchemy.exc.SQLAlchemyError as e:
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2018-08-23 13:15:45 +02:00
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print(f'Could not store transaction: {e}')
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2017-02-20 13:19:03 +01:00
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# self.pause()
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class ProductListMenu(Menu):
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def __init__(self):
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Menu.__init__(self, 'Product list', uses_db=True)
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def _execute(self):
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self.print_header()
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text = ''
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product_list = self.session.query(Product).filter(Product.hidden.is_(False)).order_by(Product.stock.desc())
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total_value = 0
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for p in product_list:
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total_value += p.price * p.stock
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line_format = '%-15s | %5s | %-' + str(Product.name_length) + 's | %5s \n'
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text += line_format % ('bar code', 'price', 'name', 'stock')
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text += 78 * '-' + '\n'
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for p in product_list:
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text += line_format % (p.bar_code, p.price, p.name, p.stock)
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text += 78 * '-' + '\n'
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text += line_format % ('Total value', total_value, '', '',)
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less(text)
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class ProductSearchMenu(Menu):
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def __init__(self):
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Menu.__init__(self, 'Product search', uses_db=True)
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def _execute(self):
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self.print_header()
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self.set_context('Enter (part of) product name or bar code')
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product = self.input_product()
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2018-08-19 16:38:45 +02:00
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print('Result: %s, price: %d kr, bar code: %s, stock: %d, hidden: %s' % (product.name, product.price,
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2017-02-20 13:19:03 +01:00
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product.bar_code, product.stock,
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2018-08-19 16:38:45 +02:00
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("Y" if product.hidden else "N")))
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2017-02-20 13:19:03 +01:00
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# self.pause()
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