def cancel_sell(uid, entry_id):
s = current_session()
entry = s.query(Exchange).filter(
Exchange.id == entry_id,
Exchange.seller_id == uid,
).first()
if not entry:
raise exceptions.ItemNotFound
helpers.require_free_backpack_slot(s, uid)
item = entry.item
item.owner_id = uid
item.status = 'backpack'
s.add(
ItemActivity(
uid=uid,
action='cancel_sell',
item_id=entry.item.id,
extra=json.dumps({'price': entry.price}),
created=datetime.datetime.now(),
))
s.delete(entry)
def draw(uid, currency):
s = current_session()
u = Account.find(uid)
if not u:
raise exceptions.UserNotFound
helpers.require_free_backpack_slot(s, uid)
if currency == 'ppoint':
amount = constants.LOTTERY_PRICE
Account.add_user_credit(u, [('ppoint', -amount)],
exceptions.InsufficientFunds)
elif currency == 'jiecao':
amount = constants.LOTTERY_JIECAO_PRICE
Account.add_user_credit(u, [('jiecao', -amount)],
exceptions.InsufficientFunds)
else:
raise exceptions.InvalidCurrency
reward = random.choice(constants.LOTTERY_REWARD_LIST)
item = Item(owner_id=uid, sku=reward, status='backpack')
s.add(item)
s.flush()
s.add(ItemActivity(
uid=uid, action='lottery', item_id=item.id,
extra=json.dumps({'currency': currency, 'amount': amount}),
created=datetime.datetime.now(),
))
return reward
def add(uid, item_sku, reason=None):
s = current_session()
helpers.require_free_backpack_slot(s, uid)
item = Item(owner_id=uid, sku=item_sku, status='backpack')
s.add(item)
s.flush()
s.add(ItemActivity(
uid=uid, action='get', item_id=item.id,
extra=reason and json.dumps(reason),
created=datetime.datetime.now(),
))
return item.id
def add(uid, item_sku, reason=None):
s = current_session()
helpers.require_free_backpack_slot(s, uid)
item = Item(owner_id=uid, sku=item_sku, status='backpack')
s.add(item)
s.flush()
s.add(
ItemActivity(
uid=uid,
action='get',
item_id=item.id,
extra=reason and json.dumps(reason),
created=datetime.datetime.now(),
))
return item.id
def buy(uid, entry_id):
s = current_session()
u = Account.find(uid)
if not u:
raise exceptions.UserNotFound
entry = s.query(Exchange).filter(Exchange.id == entry_id).first()
if not entry:
raise exceptions.ItemNotFound
seller = entry.seller
if u.ppoint < entry.price:
raise exceptions.InsufficientFunds
helpers.require_free_backpack_slot(s, uid)
u.ppoint -= entry.price
seller.ppoint += entry.price
item = entry.item
s.add(
ItemActivity(
uid=uid,
action='buy',
item_id=entry.item.id,
extra=json.dumps({
'seller': seller.id,
'price': entry.price
}),
created=datetime.datetime.now(),
))
item.owner_id = u.id
item.status = 'backpack'
s.delete(entry)
def buy(uid, entry_id):
s = current_session()
u = Account.find(uid)
if not u:
raise exceptions.UserNotFound
entry = s.query(Exchange).filter(Exchange.id == entry_id).first()
if not entry:
raise exceptions.ItemNotFound
seller = entry.seller
if u.ppoint < entry.price:
raise exceptions.InsufficientFunds
helpers.require_free_backpack_slot(s, uid)
u.ppoint -= entry.price
seller.ppoint += entry.price
item = entry.item
s.add(
ItemActivity(
uid=uid,
action="buy",
item_id=entry.item.id,
extra=json.dumps({"seller": seller.id, "price": entry.price}),
created=datetime.datetime.now(),
)
)
item.owner_id = u.id
item.status = "backpack"
s.delete(entry)
def cancel_sell(uid, entry_id):
s = current_session()
entry = s.query(Exchange).filter(Exchange.id == entry_id, Exchange.seller_id == uid).first()
if not entry:
raise exceptions.ItemNotFound
helpers.require_free_backpack_slot(s, uid)
item = entry.item
item.owner_id = uid
item.status = "backpack"
s.add(
ItemActivity(
uid=uid,
action="cancel_sell",
item_id=entry.item.id,
extra=json.dumps({"price": entry.price}),
created=datetime.datetime.now(),
)
)
s.delete(entry)
