周卡福利：购买后七天每日领取

local function buyWeekCard(actor)
    if (getplayvar(actor, "weekCardEnd") or 0)
        > os.time() then
        sendmsg(actor, 1, "周卡生效中，到期后可续")
        return
    end
    setplayvar(actor, "weekCardEnd", os.time() + 7 * 86400)
    setplayvar(actor, "weekCardDay", 0)
    sendmsg(actor, 1, "周卡已激活，连领 7 天")
end

local function claimWeekCard(actor)
    local today = tonumber(os.date("%Y%m%d"))
    if os.time() > (getplayvar(actor, "weekCardEnd") or 0)
        or getplayvar(actor, "weekCardLast") == today then
        sendmsg(actor, 1, "今日不可领")
        return
    end
    setplayvar(actor, "weekCardLast", today)
    giveitem(actor, 6100 + today % 7 + 1, 1)
end