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70 lines
1.8 KiB
70 lines
1.8 KiB
# frozen_string_literal: true
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class ClearDomainMediaService < BaseService
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attr_reader :domain_block
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def call(domain_block)
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@domain_block = domain_block
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clear_media! if domain_block.reject_media?
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end
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private
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def invalidate_association_caches!
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# Normally, associated models of a status are immutable (except for accounts)
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# so they are aggressively cached. After updating the media attachments to no
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# longer point to a local file, we need to clear the cache to make those
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# changes appear in the API and UI
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@affected_status_ids.each { |id| Rails.cache.delete_matched("statuses/#{id}-*") }
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end
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def clear_media!
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@affected_status_ids = []
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begin
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clear_account_images!
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clear_account_attachments!
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clear_emojos!
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ensure
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invalidate_association_caches!
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end
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end
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def clear_account_images!
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blocked_domain_accounts.reorder(nil).find_each do |account|
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account.avatar.destroy if account.avatar&.exists?
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account.header.destroy if account.header&.exists?
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account.save
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end
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end
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def clear_account_attachments!
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media_from_blocked_domain.reorder(nil).find_each do |attachment|
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@affected_status_ids << attachment.status_id if attachment.status_id.present?
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attachment.file.destroy if attachment.file&.exists?
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attachment.type = :unknown
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attachment.save
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end
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end
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def clear_emojos!
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emojis_from_blocked_domains.destroy_all
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end
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def blocked_domain
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domain_block.domain
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end
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def blocked_domain_accounts
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Account.by_domain_and_subdomains(blocked_domain)
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end
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def media_from_blocked_domain
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MediaAttachment.joins(:account).merge(blocked_domain_accounts).reorder(nil)
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end
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def emojis_from_blocked_domains
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CustomEmoji.by_domain_and_subdomains(blocked_domain)
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end
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end
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