def register_item(self, item_name, reserved_price):
if Item.one(item_name) is not None:
return {
"status": "error",
"errors": ["Item already exists."],
}
item = Item(item_name, reserved_price)
item.save()
return {
"status": "success",
"item_name": item.name,
}
def unstage_item_from_auction(self, item_name):
item = Item.one(item_name)
if item is None:
return {
"status": "error",
"errors": ["Item does not exist."],
}
if item.status != const.ITEM_STATUS_STAGED:
return {
"status": "error",
"errors": ["Item is not staged for auction."],
}
def filter_func(auc_record):
item_name_met = auc_record.get("item_name") == item_name
auc_status_met = auc_record.get("status") == const.AUCTION_STATUS_CREATED
return item_name_met and auc_status_met
ret = Auction.all(filter_func)
if ret:
auction = ret[0]
auction.delete()
else:
return {
"status": "error",
"errors": [
"Auction for this item already progressed, and cannot "
"unstage the item at this time."
],
}
item.status = const.ITEM_STATUS_AVAILABLE
item.save()
return {
"status": "success",
"item_name": item.name,
}
def update_item_reserved_price(self, item_name, reserved_price):
item = Item.one(item_name)
if item is None:
return {
"status": "error",
"errors": ["Item does not exist."],
}
if item.status != const.ITEM_STATUS_AVAILABLE:
return {
"status": "error",
"errors": [
"You cannot change the reserved price of an item that is"
"currently staged for auction or was sold already."
],
}
item.reserved_price = reserved_price
item.save()
return {
"status": "success",
"item_name": item.name,
}
def create_auction(self, item_name):
item = Item.one(item_name)
if item is None:
return {
"status": "error",
"errors": ["Item does not exist."],
}
def filter_func(auc_record):
return auc_record.get("status") != const.AUCTION_STATUS_CALLED_FAIL
if Auction.all(filter_func):
return {
"status": "error",
"errors": ["Auction already exists for this item."],
}
auction = Auction(item_name)
auction.save()
return {
"status": "success",
"auction_id": auction.id,
}
def query_latest_summary_for_item(self, item_name):
item = Item.one(item_name)
if item is None:
return {
"status": "error",
"errors": ["Item does not exist."],
}
item_info = {
"name": item.name,
"reserved_price": item.reserved_price,
"status_code": item.status,
"status_name": const.ITEM_STATUS_NAMES[item.status],
"created_at": item.created_at,
"updated_at": item.updated_at,
}
auction = None
auction_info = None
if item.status > const.ITEM_STATUS_AVAILABLE:
# We will exclude any past failed auctions in summary because
# presumably that's not good for auction.
def filter_func(auc_record):
item_name_met = auc_record.get("item_name") == item_name
auc_status_met = auc_record.get("status") != const.AUCTION_STATUS_CALLED_FAIL
return item_name_met and auc_status_met
ret = Auction.all(filter_func)
if ret:
auction = ret[0]
auction_info = {
"id": auction.id,
"status_code": auction.status,
"status_name": const.AUCTION_STATUS_NAMES[auction.status],
"highest_bid_id": auction.highest_bid_id,
"winning_bid_id": auction.winning_bid_id,
"created_at": auction.created_at,
"started_at": auction.started_at,
"closed_at": auction.closed_at,
}
bid_id = None
if auction and auction.winning_bid_id:
bid_id = auction.winning_bid_id
elif auction and auction.highest_bid_id:
bid_id = auction.highest_bid_id
bid_info = None
if bid_id:
prevailing_bid = Bid.one(bid_id)
if prevailing_bid:
bid_info = {
"id": prevailing_bid.id,
"offer_price": prevailing_bid.offer_price,
"participant_id": prevailing_bid.participant_id,
"submitted_at": prevailing_bid.submitted_at,
}
return {
"status": "success",
"item": item_info,
"auction": auction_info,
"prevailing_bid": bid_info,
}
