impress/app/models/item/dyeworks.rb

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class Item
module Dyeworks
def dyeworks?
dyeworks_base_item.present?
end
# Whether this is a Dyeworks item whose base item can currently be purchased
# in the NC Mall, then dyed via Dyeworks. (Owls tracks this last part!)
def dyeworks_buyable?
dyeworks_base_buyable? && dyeworks_dyeable?
end
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# Whether this is a Dyeworks item whose base item can currently be purchased
# in the NC Mall. It may or may not currently be *dyeable* in the NC Mall,
# because Dyeworks eligibility is often a limited-time event.
def dyeworks_base_buyable?
dyeworks_base_item.present? && dyeworks_base_item.currently_in_mall?
end
# Whether this is a Dyeworks item that can be dyed in the NC Mall ~right now,
# either at any time or as a limited-time event. (Owls tracks this, not us!)
def dyeworks_dyeable?
dyeworks_permanent? || dyeworks_limited_active?
end
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# Whether this is one of the few Dyeworks items that can be dyed in the NC
# Mall at any time, rather than as part of a limited-time event. (Owls tracks
# this, not us!)
DYEWORKS_PERMANENT_PATTERN = /Permanent\s*Dyeworks/i
def dyeworks_permanent?
return false if nc_trade_value.nil?
nc_trade_value.value_text.match?(DYEWORKS_PERMANENT_PATTERN)
end
# Whether this is a Dyeworks item that can be dyed in the NC Mall ~right
# now, as part of a limited-time event. (Owls tracks this, not us!)
#
# If we aren't sure of the final date, this will still return `true`, on
# the assumption it *is* dyeable right now and we just don't understand the
# details of what Owls told us.
def dyeworks_limited_active?
return false unless dyeworks_limited?
return true if dyeworks_limited_final_date.nil?
# NOTE: The application is configured to NST, so this should be
# equivalent to `Date.today`, but this is clearer and more correct imo!
today_in_nst = Time.find_zone("Pacific Time (US & Canada)").today
today_in_nst <= dyeworks_limited_final_date
end
# Whether this is a Dyeworks item that can only be dyed as part of a
# limited-time event. (This may return true even if the end date has
# passed, see `dyeworks_limited_active?`.) (Owls tracks this, not us!)
DYEWORKS_LIMITED_PATTERN = /Limited\s*Dyeworks/i
def dyeworks_limited?
return false if nc_trade_value.nil?
nc_trade_value.value_text.match?(DYEWORKS_LIMITED_PATTERN)
end
# If this is a limited-time Dyeworks item, this is the date we think the
# event will end on. Even if `dyeworks_limited?` returns true, this could
# still be `nil`, if we fail to parse this. (Owls tracks this, not us!)
DYEWORKS_LIMITED_FINAL_DATE_PATTERN =
/Dyeable\s*Thru\s*(?<month>[a-z]+)\s*(?<day>[0-9]+)/i
def dyeworks_limited_final_date
return nil unless dyeworks_limited?
match = nc_trade_value.value_text.
match(DYEWORKS_LIMITED_FINAL_DATE_PATTERN)
return nil if match.nil?
# Parse this "<Month> <Day>" date as the *next* such date, with some
# wiggle room for the possibility that it recently passed and Owls hasn't
# updated yet: parse it as this year at first, then add a year if that
# turns out to be more than 3 months ago. (That way, if it's currently
# December 2024, then events ending in Jan will be read as Jan 2025, and
# events ending in Nov will be read as Nov 2024.)
#
# NOTE: This could return strange results if the Owls date contains
# something surprising! But the heuristic nature helps with e.g.
# flexibility if they abbreviate months, so let's lean into `Date.parse`.
begin
match => {month:, day:}
date = Date.parse("#{month} #{day}, #{Date.today.year}")
date += 1.year if date < Date.today - 3.months
rescue Date::Error
Rails.logger.warn "Could not parse Dyeworks final date: " +
"#{nc_trade_value.value_text.inspect}"
return nil
end
date
end
# The probability of getting this item when dyeing the base item.
def dyeworks_odds
return nil unless dyeworks?
num_variants = dyeworks_base_item.dyeworks_variants.count
raise "Item's Dyeworks base has *no* variants??" if num_variants < 1
Rational(1, num_variants)
end
# Infer what base item this Dyeworks item probably relates to, based on
# their names. We only use this when a new item is modeled to initialize
# the `dyeworks_base_item` relationship in the database; after that, we
# just use whatever the database says. (This allows manual overrides!)
DYEWORKS_NAME_PATTERN = %r{
\A(
# Most Dyeworks items have a colon in the name.
Dyeworks\s+(?<color>.+?:)\s*(?<base>.+)
|
# But sometimes they omit it. If so, assume the first word is the color!
Dyeworks\s+(?<color>\S+)\s*(?<base>.+)
)\z
}x
def inferred_dyeworks_base_item
name_match = (name || "").match(DYEWORKS_NAME_PATTERN)
return nil if name_match.nil?
Item.find_by_name(name_match["base"])
end
end
end