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module Gitlab
module Database
module RenameReservedPathsMigration
class RenameBase
attr_reader :paths, :migration
delegate :update_column_in_batches,
:replace_sql,
to: :migration
def initialize(paths, migration)
@paths = paths
@migration = migration
end
def path_patterns
@path_patterns ||= paths.map { |path| "%#{path}" }
end
def rename_path_for_routable(routable)
old_path = routable.path
old_full_path = routable.full_path
# Only remove the last occurrence of the path name to get the parent namespace path
namespace_path = remove_last_occurrence(old_full_path, old_path)
new_path = rename_path(namespace_path, old_path)
new_full_path = join_routable_path(namespace_path, new_path)
# skips callbacks & validations
routable.class.where(id: routable).
update_all(path: new_path)
rename_routes(old_full_path, new_full_path)
[old_full_path, new_full_path]
end
def rename_routes(old_full_path, new_full_path)
replace_statement = replace_sql(Route.arel_table[:path],
old_full_path,
new_full_path)
update_column_in_batches(:routes, :path, replace_statement) do |table, query|
query.where(MigrationClasses::Route.arel_table[:path].matches("#{old_full_path}%"))
end
end
def rename_path(namespace_path, path_was)
counter = 0
path = "#{path_was}#{counter}"
while route_exists?(join_routable_path(namespace_path, path))
counter += 1
path = "#{path_was}#{counter}"
end
path
end
def remove_last_occurrence(string, pattern)
string.reverse.sub(pattern.reverse, "").reverse
end
def join_routable_path(namespace_path, top_level)
if namespace_path.present?
File.join(namespace_path, top_level)
else
top_level
end
end
def route_exists?(full_path)
MigrationClasses::Route.where(Route.arel_table[:path].matches(full_path)).any?
end
def move_pages(old_path, new_path)
move_folders(pages_dir, old_path, new_path)
end
def move_uploads(old_path, new_path)
return unless file_storage?
move_folders(uploads_dir, old_path, new_path)
end
def move_folders(directory, old_relative_path, new_relative_path)
old_path = File.join(directory, old_relative_path)
return unless File.directory?(old_path)
new_path = File.join(directory, new_relative_path)
FileUtils.mv(old_path, new_path)
end
def file_storage?
CarrierWave::Uploader::Base.storage == CarrierWave::Storage::File
end
def uploads_dir
File.join(CarrierWave.root, "uploads")
end
def pages_dir
Settings.pages.path
end
end
end
end
end
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