89 lines
2.3 KiB
Ruby
89 lines
2.3 KiB
Ruby
# rubocop:disable Migration/UpdateLargeTable
|
|
class MigrateUserActivitiesToUsersLastActivityOn < ActiveRecord::Migration[4.2]
|
|
include Gitlab::Database::MigrationHelpers
|
|
|
|
disable_ddl_transaction!
|
|
|
|
DOWNTIME = false
|
|
USER_ACTIVITY_SET_KEY = 'user/activities'.freeze
|
|
ACTIVITIES_PER_PAGE = 100
|
|
TIME_WHEN_ACTIVITY_SET_WAS_INTRODUCED = Time.utc(2016, 12, 1)
|
|
|
|
def up
|
|
return if activities_count(TIME_WHEN_ACTIVITY_SET_WAS_INTRODUCED, Time.now).zero?
|
|
|
|
day = Time.at(activities(TIME_WHEN_ACTIVITY_SET_WAS_INTRODUCED, Time.now).first.second)
|
|
|
|
transaction do
|
|
while day <= Time.now.utc.tomorrow
|
|
persist_last_activity_on(day: day)
|
|
day = day.tomorrow
|
|
end
|
|
end
|
|
end
|
|
|
|
def down
|
|
# This ensures we don't lock all users for the duration of the migration.
|
|
update_column_in_batches(:users, :last_activity_on, nil) do |table, query|
|
|
query.where(table[:last_activity_on].not_eq(nil))
|
|
end
|
|
end
|
|
|
|
private
|
|
|
|
def persist_last_activity_on(day:, page: 1)
|
|
activities_count = activities_count(day.at_beginning_of_day, day.at_end_of_day)
|
|
|
|
return if activities_count.zero?
|
|
|
|
activities = activities(day.at_beginning_of_day, day.at_end_of_day, page: page)
|
|
|
|
update_sql =
|
|
Arel::UpdateManager.new
|
|
.table(users_table)
|
|
.set(users_table[:last_activity_on] => day.to_date)
|
|
.where(users_table[:username].in(activities.map(&:first)))
|
|
.to_sql
|
|
|
|
connection.exec_update(update_sql, self.class.name, [])
|
|
|
|
unless last_page?(page, activities_count)
|
|
persist_last_activity_on(day: day, page: page + 1)
|
|
end
|
|
end
|
|
|
|
def users_table
|
|
@users_table ||= Arel::Table.new(:users)
|
|
end
|
|
|
|
def activities(from, to, page: 1)
|
|
Gitlab::Redis::SharedState.with do |redis|
|
|
redis.zrangebyscore(USER_ACTIVITY_SET_KEY, from.to_i, to.to_i,
|
|
with_scores: true,
|
|
limit: limit(page))
|
|
end
|
|
end
|
|
|
|
def activities_count(from, to)
|
|
Gitlab::Redis::SharedState.with do |redis|
|
|
redis.zcount(USER_ACTIVITY_SET_KEY, from.to_i, to.to_i)
|
|
end
|
|
end
|
|
|
|
def limit(page)
|
|
[offset(page), ACTIVITIES_PER_PAGE]
|
|
end
|
|
|
|
def total_pages(count)
|
|
(count.to_f / ACTIVITIES_PER_PAGE).ceil
|
|
end
|
|
|
|
def last_page?(page, count)
|
|
page >= total_pages(count)
|
|
end
|
|
|
|
def offset(page)
|
|
(page - 1) * ACTIVITIES_PER_PAGE
|
|
end
|
|
end
|