Sha256: f32cef6221355cadb609109dbff83f5ce5bbdbf39727f08b7c7bc31348e0447c
Contents?: true
Size: 1.65 KB
Versions: 46
Compression:
Stored size: 1.65 KB
Contents
# -*- encoding : utf-8 -*-
class UpdateKeys < Card::Migration::Core
def up
Card.pluck(:id, :name, :key).each do |id, name, key|
new_key = name.to_name.key
next if new_key == key
update_key id, key, new_key
end
end
def update_key id, key, new_key
Card.where(id: id).update_all(key: new_key)
Card::Reference.where(referee_id: id).update_all(referee_key: new_key)
puts "updated key '#{key}' to '#{new_key}'"
rescue ActiveRecord::RecordNotUnique => e
resolve_conflict id, key, new_key
end
def resolve_conflict id, key, new_key
if walking_dead? key
Card.where(id: id).delete_all
# card wasn't reachable anyway
# (due to rails inflection update or cardname update)
else
# example:
# "Matthias Taxes" can be in the database with two keys:
# "matthia_taxis" and "matthia_tax".
# Their keys will both be updated to "matthias_tax".
# "matthia_taxis" is a walking dead since the last rails inflection
# update (it's in the db but you can only get to via its id; all requests via
# name find the other one). If we update the walking dead
# "matthia_taxis" first to "matthias_tax" we want to replace it with
# the living "matthia_tax".
# The living card is the one that has been updated more recently.
longer_untouched = [Card.find(id), Card.find_by_key(new_key)]
.min { |a, b| a.updated_at <=> b.updated_at}
Card.where(id: longer_untouched).delete_all
update_key id, key, new_key if longer_untouched != id
end
end
def walking_dead? key
key.include?("taxis") || key[0] == " " || key[-1] == " "
end
end
Version data entries
46 entries across 46 versions & 1 rubygems