54 lines
1.4 KiB
Ruby
54 lines
1.4 KiB
Ruby
# frozen_string_literal: true
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require 'find'
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class RequireMigration
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class AutoLoadError < RuntimeError
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MESSAGE = "Can not find any migration file for `%{file_name}`!\n" \
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"You can try to provide the migration file name manually."
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def initialize(file_name)
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message = format(MESSAGE, file_name: file_name)
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super(message)
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end
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end
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MIGRATION_FOLDERS = %w[db/migrate db/post_migrate].freeze
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SPEC_FILE_PATTERN = %r{.+/(?:\d+_)?(?<file_name>.+)_spec\.rb}.freeze
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class << self
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def require_migration!(file_name)
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file_paths = search_migration_file(file_name)
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raise AutoLoadError, file_name unless file_paths.first
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require file_paths.first
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end
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def search_migration_file(file_name)
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migration_file_pattern = /\A\d+_#{file_name}\.rb\z/
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migration_folders.flat_map do |path|
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migration_path = Rails.root.join(path).to_s
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Find.find(migration_path).select { |m| migration_file_pattern.match? File.basename(m) }
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end
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end
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private
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def migration_folders
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MIGRATION_FOLDERS
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end
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end
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end
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RequireMigration.prepend_mod_with('RequireMigration')
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def require_migration!(file_name = nil)
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location_info = caller_locations.first.path.match(RequireMigration::SPEC_FILE_PATTERN)
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file_name ||= location_info[:file_name]
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RequireMigration.require_migration!(file_name)
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end
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