Simon Hirsig
79 lines
2.8 KiB
Lua
79 lines
2.8 KiB
Lua
local private, public = {}, {}
|
|
Aux.stat_average = public
|
|
|
|
private.PUSH_INTERVAL = 57600
|
|
|
|
function private.load_data()
|
|
local dataset = Aux.persistence.load_dataset()
|
|
dataset.stat_average_data = dataset.stat_average_data or {}
|
|
return dataset.stat_average_data
|
|
end
|
|
|
|
function private.get_item_key(auction_info)
|
|
return auction_info.item_id..':'..auction_info.suffix_id
|
|
end
|
|
|
|
function private.process_auction(auction_info)
|
|
if auction_info.buyout_price == 0 then
|
|
return
|
|
end
|
|
|
|
local item_record = private.load_data()[get_item_key(auction_info)] or {
|
|
daily_auction_count = 0,
|
|
daily_unit_count = 0,
|
|
accumulated_buyout_price = 0,
|
|
seen_days = 0,
|
|
EMA3 = 0,
|
|
EMA7 = 0,
|
|
EMA14 = 0,
|
|
average_min_buyout = 0,
|
|
}
|
|
|
|
item_record.daily_auction_count = item_record.daily_auction_count + 1
|
|
item_record.daily_unit_count = item_record.daily_unit_count + auction_info.count
|
|
item_record.accumulated_buyout_price = item_record.accumulated_buyout_price + auction_info.buyout_price
|
|
item_record.daily_min_buyout_price = item_record.daily_min_buyout_price and min(item_record.daily_min_buyout_price, auction_info.buyout_price / auction_info.count) or auction_info.buyout_price / auction_info.count
|
|
end
|
|
|
|
function private.push_data()
|
|
local data = private.load_data()
|
|
|
|
for item_key, item_record in pairs(data) do
|
|
|
|
if item_record.daily_auction_count > 0 then
|
|
|
|
local daily_average = item_record.daily_accumulated_buyout / item_record.daily_unit_count
|
|
|
|
if item_record.seen_days < 3 then
|
|
-- for first 3 days perform plain average instead of EMAs
|
|
item_record.EMA3 = (item_record.EMA3 * item_record.seen_days + daily_average) / (item_record.seen_days + 1)
|
|
item_record.average_min_buyout = (item_record.average_min_buyout * item_record.seen_days + item_record.daily_min_buyout) / (item_record.seen_days + 1)
|
|
item_record.EMA7 = item_record.EMA3
|
|
item_record.EMA14 = item_record.EMA3
|
|
else
|
|
-- do normal EMA calculations
|
|
item_record.EMA3 = (item_record.EMA3 * 2 + daily_average) / 3)
|
|
item_record.EMA7 = (item_record.EMA7 * 6 + daily_average) / 7)
|
|
item_record.EMA14 = (item_record.EMA14 * 13 + daily_average) / 14)
|
|
|
|
if item_record.daily_min_buyout / item_record.average_min_buyout < 0.9 then
|
|
item_record.average_min_buyout = (item_record.average_min_buyout + item_record.daily_min_buyout) / 2
|
|
else
|
|
item_record.average_min_buyout = (item_record.average_min_buyout * 7 + item_record.daily_min_buyout) / 8
|
|
end
|
|
end
|
|
|
|
item_record.count = item_record.unit_count + item_record.daily_unit_count
|
|
item_record.count = item_record.auction_count + item_record.daily_auction_count
|
|
item_record.seen_days = item_record.seen_days + 1
|
|
|
|
item_record.daily_auction_count = 0
|
|
item_record.daily_unit_count = 0
|
|
item_record.daily_min_buyout = nil
|
|
item_record.daily_accumulated_buyout = 0
|
|
end
|
|
end
|
|
|
|
realmdata.dailypush = time() + PUSHTIME
|
|
end
|