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# frozen_string_literal: true
require 'tty-prompt'
require_relative '../../config/boot'
require_relative '../../config/environment'
require_relative 'cli_helper'
module Mastodon
class PreviewCardsCLI < Thor
include ActionView::Helpers::NumberHelper
def self.exit_on_failure?
true
end
option :days, type: :numeric, default: 180
option :background, type: :boolean, default: false
option :verbose, type: :boolean, default: false
option :dry_run, type: :boolean, default: false
option :link, type: :boolean, default: false
desc 'remove', 'Remove preview cards'
long_desc <<-DESC
Removes locally thumbnails for previews.
The --days option specifies how old preview cards have to be before
they are removed. It defaults to 180 days.
With the --background option, instead of deleting the files sequentially,
they will be queued into Sidekiq and the command will exit as soon as
possible. In Sidekiq they will be processed with higher concurrency, but
it may impact other operations of the Mastodon server, and it may overload
the underlying file storage.
With the --dry-run option, no work will be done.
With the --verbose option, when preview cards are processed sequentially in the
foreground, the IDs of the preview cards will be printed.
With the --link option, delete only link-type preview cards.
DESC
def remove
prompt = TTY::Prompt.new
time_ago = options[:days].days.ago
queued = 0
processed = 0
size = 0
dry_run = options[:dry_run] ? '(DRY RUN)' : ''
link = options[:link] ? 'link-type ' : ''
scope = PreviewCard.where.not(image_file_name: nil)
scope = scope.where.not(image_file_name: '')
scope = scope.where(type: :link) if options[:link]
scope = scope.where('updated_at < ?', time_ago)
if time_ago > 2.weeks.ago
prompt.say "\n"
prompt.say('The preview cards less than the past two weeks will not be re-acquired even when needed.')
prompt.say "\n"
unless prompt.yes?('Are you sure you want to delete the preview cards?', default: false)
prompt.say "\n"
prompt.warn 'Nothing execute. Bye!'
prompt.say "\n"
exit(1)
end
end
if options[:background]
scope.select(:id, :image_file_size).reorder(nil).find_in_batches do |preview_cards|
queued += preview_cards.size
size += preview_cards.reduce(0) { |sum, p| sum + (p.image_file_size || 0) }
Maintenance::UncachePreviewWorker.push_bulk(preview_cards.map(&:id)) unless options[:dry_run]
end
else
scope.select(:id, :image_file_size).reorder(nil).find_in_batches do |preview_cards|
preview_cards.each do |p|
size += p.image_file_size || 0
Maintenance::UncachePreviewWorker.new.perform(p.id) unless options[:dry_run]
options[:verbose] ? say(p.id) : say('.', :green, false)
processed += 1
end
end
end
say
if options[:background]
say("Scheduled the deletion of #{queued} #{link}preview cards (approx. #{number_to_human_size(size)}) #{dry_run}", :green, true)
else
say("Removed #{processed} #{link}preview cards (approx. #{number_to_human_size(size)}) #{dry_run}", :green, true)
end
end
end
end
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