41 lines
1.3 KiB
Ruby
41 lines
1.3 KiB
Ruby
# frozen_string_literal: true
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class CapDesignsFilenameLengthToNewLimit < ActiveRecord::Migration[6.0]
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DOWNTIME = false
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CHAR_LENGTH = 255
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MODIFIED_NAME = 'gitlab-modified-'
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MODIFIED_EXTENSION = '.jpg'
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def up
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arel_table = Arel::Table.new(:design_management_designs)
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# Design filenames larger than the limit will be renamed to "gitlab-modified-{id}.jpg",
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# which will be valid and unique. The design file itself will appear broken, as it is
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# understood that no designs with filenames that exceed this limit will be legitimate.
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# See https://gitlab.com/gitlab-org/gitlab/-/merge_requests/33565/diffs#note_355789080
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new_value_clause = Arel::Nodes::NamedFunction.new(
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'CONCAT',
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[
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Arel::Nodes.build_quoted(MODIFIED_NAME),
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arel_table[:id],
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Arel::Nodes.build_quoted(MODIFIED_EXTENSION)
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]
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)
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where_clause = Arel::Nodes::NamedFunction.new(
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'CHAR_LENGTH',
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[arel_table[:filename]]
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).gt(CHAR_LENGTH)
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update_arel = Arel::UpdateManager.new.table(arel_table)
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.set([[arel_table[:filename], new_value_clause]])
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.where(where_clause)
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ActiveRecord::Base.connection.execute(update_arel.to_sql)
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end
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def down
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# no-op : the original filename is lost forever
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end
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end
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