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# frozen_string_literal: true
require 'pathname'
require 'open3'
# Checks for class name collisions between Database migrations and Elasticsearch migrations
class MigrationCollisionChecker
MIGRATION_FOLDERS = %w[db/migrate/*.rb db/post_migrate/*.rb ee/elastic/migrate/*.rb].freeze
CLASS_MATCHER = /^\s*class\s+:*([A-Z][A-Za-z0-9_]+\S+)/
ERROR_CODE = 1
Result = Struct.new(:error_code, :error_message)
def initialize
@collisions = Hash.new { |h, k| h[k] = [] }
end
def check
check_for_collisions
return if collisions.empty?
Result.new(ERROR_CODE, "\e[31mError: Naming collisions were found between migrations\n\n#{message}\e[0m")
end
private
attr_reader :collisions
def check_for_collisions
MIGRATION_FOLDERS.each do |migration_folder|
Dir.glob(base_path.join(migration_folder)).each do |migration_path|
klass_name = CLASS_MATCHER.match(File.read(migration_path))[1]
collisions[klass_name] << migration_path
end
end
collisions.select! { |_, v| v.size > 1 }
end
def message
collisions.map { |klass_name, paths| "#{klass_name}: #{paths.join(', ')}\n" }.join('')
end
def base_path
Pathname.new(File.expand_path('../../', __dir__))
end
end
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