client-barcode: Resolve class ToGoCommand, make UNDO delete commodity/deposity combined
This commit is contained in:
Sebastian Pipping
parent
8d6ff280e3
commit
356c2584db
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@ -6,7 +6,7 @@
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from __future__ import print_function
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import freitagslib.network as net
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from freitagslib.commands import BuyCommand, DepositCommand, ToGoCommand
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from freitagslib.commands import BuyCommand, DepositCommand
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import colorama
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from colorama import Fore, Style
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@ -98,22 +98,14 @@ class Status:
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def color(amount):
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return COLOR_WITHDRAW if amount < 0 else COLOR_DEPOSIT
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def color_command(command):
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diff = command.difference()
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if diff >= 0:
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return COLOR_DEPOSIT
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return COLOR_TO_GO if isinstance(command, ToGoCommand) else COLOR_WITHDRAW
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def show_total(balance, plus=' '):
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print('%3s %-40s %s%c %6.2f Euro%s' \
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% ('', '', color(balance), sign(balance, plus),
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abs(balance), COLOR_RESET))
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def show_item(position, command):
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diff = command.difference()
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label = command.label()
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def show_item(position, diff, label, color):
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print('%2d) %-40s %s%c %6.2f Euro%s' \
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% (position, label, color_command(command), sign(diff),
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% (position, label, color, sign(diff),
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abs(diff), COLOR_RESET))
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def show_bar():
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@ -127,8 +119,18 @@ class Status:
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print('Geplante Änderungen:')
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show_total(initial_balance)
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for i, (command, balance_backup) in enumerate(self.transfers):
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show_item(i + 1, command)
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i = 1
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for command, dummy in self.transfers:
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if isinstance(command, BuyCommand):
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if (command.includes_commodity()):
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show_item(i, -command.commodity_value(), command.commodity_label(), COLOR_WITHDRAW)
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i += 1
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if (command.includes_deposit()):
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show_item(i, -command.deposit_value(), command.deposit_label(), COLOR_TO_GO)
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i += 1
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else:
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show_item(i, command.difference(), command.label(), COLOR_DEPOSIT)
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i += 1
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show_bar()
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if len(self.transfers) > 1:
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show_total(self.balance - initial_balance, plus='+')
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@ -215,109 +217,78 @@ class Status:
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if scope == TO_GO_ALL:
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"""
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Adds a ToGoCommands for each BuyCommands with deposit > 0 lacking a pair
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Makes all BuyCommands with deposit > 0 include deposit
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...and updates future balance accordingly.
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"""
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after = list()
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dummy, initial_balance = self.transfers[0]
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balance_before = initial_balance
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def body(prev, command, balance_before):
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if isinstance(prev, BuyCommand) \
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and prev.deposit() > 0 \
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and (not isinstance(command, ToGoCommand) \
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or (isinstance(command, ToGoCommand) \
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and prev.item() != command.item())):
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to_go = ToGoCommand(prev.item())
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prev.set_to_go(True)
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after.append((to_go, balance_before))
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balance_before += to_go.difference()
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if command is not None:
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after.append((command, balance_before))
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for command, dummy in self.transfers:
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if isinstance(command, BuyCommand) \
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and not command.includes_deposit() \
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and command.deposit_value() > 0:
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command.include_deposit(True)
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balance_before += command.difference()
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return balance_before
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prev = None
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for command, dummy in list(self.transfers):
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balance_before = body(prev, command, balance_before)
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prev = command
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balance_before = body(prev, None, balance_before)
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self.balance = balance_before
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self.transfers = after
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elif scope == TO_GO_NONE:
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"""
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Deletes all ToGoCommands
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Makes all BuyCommands that include commodity
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not include deposit any more
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...and updates future balance accordingly.
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"""
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after = list()
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first_command, initial_balance = self.transfers[0]
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balance_before = initial_balance
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for command, dummy in list(self.transfers):
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for command, dummy in self.transfers:
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if isinstance(command, BuyCommand) \
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and command.is_to_go():
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command.set_to_go(False)
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elif isinstance(command, ToGoCommand):
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continue
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after.append((command, balance_before))
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and command.includes_commodity():
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command.include_deposit(False)
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balance_before += command.difference()
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self.balance = balance_before
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self.transfers = after
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elif scope == TO_GO_PREV:
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"""
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Adds a ToGoCommand after previous BuyCommand
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Makes the last BuyCommand include deposit
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...and updates future balance accordingly.
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"""
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prev, balance_backup = self.transfers[-1]
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if not isinstance(prev, BuyCommand):
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error_page(_PRODUCT_FIRST)
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return
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to_go = ToGoCommand(prev.item())
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prev.set_to_go(True)
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self.transfers.append((to_go, self.balance))
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self.balance += to_go.difference()
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if prev.includes_deposit():
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error_page('FEHLER: Pfand für Produkt "%s" bereits aktiviert' % prev.item_name())
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return
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if prev.deposit_value() <= 0:
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error_page('FEHLER: Produkt "%s" hat kein Pfand' % prev.item_name())
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return
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before = prev.difference()
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prev.include_deposit(True)
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after = prev.difference()
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self.balance += (after - before)
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elif scope == TO_GO_ONLY:
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"""
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Replace all BuyCommands with deposit > 0 by
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a ToGoCommand. Resolve ToGoCommand duplicates.
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Makes all BuyCommand that include commodity
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be deposit only
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...and updates future balance accordingly.
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"""
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after = list()
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first_command, initial_balance = self.transfers[0]
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dummy, initial_balance = self.transfers[0]
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balance_before = initial_balance
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for command, dummy in list(self.transfers):
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if isinstance(command, ToGoCommand) \
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and prev_item is not None \
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and command.item() == prev_item:
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"""
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Skip this very duplicate
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"""
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prev_item = None
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continue
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elif isinstance(command, BuyCommand) \
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and command.deposit() > 0:
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"""
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Replace by ToGoCommand
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"""
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item = command.item()
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command = ToGoCommand(item)
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prev_item = item
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else:
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prev_item = None
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after.append((command, balance_before))
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for command, dummy in self.transfers:
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if isinstance(command, BuyCommand) \
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and command.deposit_value() > 0 \
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and command.includes_commodity():
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command.include_commodity(False)
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command.include_deposit(True)
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balance_before += command.difference()
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self.balance = balance_before
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self.transfers = after
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def undo(self):
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assert(self.logged_in())
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if self.transfers:
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(last_command, balance_backup) = self.transfers[-1]
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if isinstance(last_command, ToGoCommand) \
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and self.transfers:
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second_last_command = self.transfers[-2]
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if isinstance(second_last_command, BuyCommand):
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second_last_command.set_to_go(False)
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dummy, balance_backup = self.transfers[-1]
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self.transfers.pop()
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self.balance = balance_backup
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else:
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@ -5,18 +5,16 @@
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# Licensed under GPL v3 or later
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import freitagslib.network as net
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from freitagslib.network import ITEM_ONLY, DEPOSIT_ONLY
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from freitagslib.network import ITEM_ONLY, DEPOSIT_ONLY, ITEM_AND_DEPOSIT
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class Command(object):
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def difference(self):
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return self._difference
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class DepositCommand(Command):
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class DepositCommand(object):
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def __init__(self, amount):
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self._difference = amount
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def difference(self):
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self._difference
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def run(self, user_name):
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net.deposit(self._difference, net.DEPOSIT_CASH, user_name)
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@ -24,43 +22,61 @@ class DepositCommand(Command):
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return '%.2f Euro einzahlen' % self._difference
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class _ItemBasedCommand(Command):
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class BuyCommand(object):
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def __init__(self, item):
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self._item = item
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self._commodity = True
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self._deposit = False
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def item(self):
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return self._item
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def _what_to_buy(self):
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if self._deposit and self._commodity:
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return ITEM_AND_DEPOSIT
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elif self._deposit:
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return DEPOSIT_ONLY
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elif self._commodity:
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return ITEM_ONLY
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else:
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raise ValueError("BuyCommand in illegal state")
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class BuyCommand(_ItemBasedCommand):
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def __init__(self, item):
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super(BuyCommand, self).__init__(item)
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self._difference = -item.price
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self._to_go = False ## TODO session state, instead?
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def difference(self):
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if self._deposit and self._commodity:
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return -(self._item.price + self._item.deposit)
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elif self._deposit:
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return -(self._item.deposit)
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elif self._commodity:
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return -(self._item.price)
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else:
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raise ValueError("BuyCommand in illegal state")
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def run(self, user_name):
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net.buy_item(self._item.id, what_about_it=ITEM_ONLY, user_name=user_name)
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net.buy_item(self._item.id, what_about_it=self._what_to_buy(), user_name=user_name)
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def label(self):
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def item_name(self):
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return self._item.name
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def is_to_go(self):
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return self._to_go
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def commodity_label(self):
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if self._deposit:
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return self._item.name
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else:
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return "%s (exkl. Pfand)" % self._item.name
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def set_to_go(self, to_go):
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self._to_go = to_go
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def deposit(self):
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return self._item.deposit
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class ToGoCommand(_ItemBasedCommand):
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def __init__(self, item):
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super(ToGoCommand, self).__init__(item)
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self._difference = -item.deposit
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def run(self, user_name):
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net.buy_item(self._item.id, what_about_it=DEPOSIT_ONLY, user_name=user_name)
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def label(self):
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def deposit_label(self):
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return '%s Pfand' % self._item.name
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def includes_commodity(self):
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return self._commodity
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def includes_deposit(self):
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return self._deposit
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def include_commodity(self, commodity):
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self._commodity = commodity
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def include_deposit(self, deposit):
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self._deposit = deposit
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def commodity_value(self):
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return self._item.price
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def deposit_value(self):
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return self._item.deposit
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