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publish_assets_service.rb
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publish_assets_service.rb
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class PublishAssetsService
include Callable
def initialize(edition, superseded_edition: nil)
@edition = edition
@superseded_edition = superseded_edition
end
def call
edition.assets.each { |asset| publish_asset(asset) }
retire_old_file_attachments
retire_old_images
end
private
attr_reader :edition, :superseded_edition
def publish_asset(asset)
raise "Expected asset to be on asset manager" if asset.absent?
return unless asset.draft?
GdsApi.asset_manager.update_asset(
asset.asset_manager_id,
draft: false,
auth_bypass_ids: [],
redirect_url: nil,
)
asset.live!
end
def retire_old_file_attachments
return unless superseded_edition
superseded_edition.file_attachment_revisions.each do |live_revision|
current_revision = find_file_attachment_revision(edition, live_revision)
if current_revision
redirect_asset(live_revision.asset, current_revision.asset)
else
delete_asset(live_revision.asset)
end
end
end
def retire_old_images
return unless superseded_edition
superseded_edition.image_revisions.each do |live_revision|
current_revision = find_image_revision(edition, live_revision)
if current_revision
redirect_assets(live_revision, current_revision)
else
live_revision.assets.each { |a| delete_asset(a) }
end
end
end
def redirect_assets(live_revision, current_revision)
live_revision.assets.each do |live_asset|
current_asset = current_revision.asset(live_asset.variant)
if current_asset
redirect_asset(live_asset, current_asset)
else
delete_asset(live_asset)
end
end
end
def redirect_asset(live_asset, current_asset)
return if live_asset.absent?
return if live_asset == current_asset
begin
GdsApi.asset_manager.update_asset(live_asset.asset_manager_id,
redirect_url: current_asset.file_url)
live_asset.update!(state: :superseded, superseded_by: current_asset)
rescue GdsApi::HTTPNotFound
Rails.logger.warn("No asset to supersede for id #{live_asset.asset_manager_id}")
live_asset.absent!
end
end
def delete_asset(live_asset)
return if live_asset.absent?
begin
GdsApi.asset_manager.delete_asset(live_asset.asset_manager_id)
rescue GdsApi::HTTPNotFound
Rails.logger.warn("No asset to delete for id #{live_asset.asset_manager_id}")
end
live_asset.absent!
end
def find_image_revision(edition, live_revision)
edition.image_revisions.find do |r|
r.image_id == live_revision.image_id
end
end
def find_file_attachment_revision(edition, live_revision)
edition.file_attachment_revisions.find do |r|
r.file_attachment_id == live_revision.file_attachment_id
end
end
end