impress/app/helpers/item_trades_helper.rb

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module ItemTradesHelper
def vague_trade_timestamp(last_trade_activity_at)
if last_trade_activity_at >= 1.week.ago
translate "item_trades.index.table.last_active.this_week"
else
last_trade_activity_at.strftime("%b %Y")
end
end
def sorted_vaguely_by_trade_activity(trades)
# First, sort the list in ascending order.
trades_ascending = trades.sort_by do |trade|
if trade.user.last_trade_activity_at >= 1.week.ago
# Sort recent trades in a random order, but still collectively as the
# most recent. (This discourages spamming updates to game the system!)
[1, rand]
else
# Sort older trades by last trade activity.
[0, trade.user.last_trade_activity_at]
end
end
# Then, reverse it!
trades_ascending.reverse!
end
end