Generate Factory Bot Model For Legacy Project
5 minute read
Solving a legacy issue, kind of
Feel free to fork me on the GitHub.
# Solve https://github.com/thoughtbot/factory_bot_rails/issues/63
# Original credit https://stackoverflow.com/a/50319158/2180787
@run_command = true
@force = true
@columns_to_ignore = %w[id created_at update_at]
@tables_to_ignore = %w[schema_migrations ar_internal_metadata]
tables = ActiveRecord::Base.connection.tables.reject{|t| (@tables_to_ignore || []).include?(t)}
tables.each do |table|
begin
klass = table.singularize.camelcase.constantize
command = "rails g factory_bot:model #{klass.to_s} #{klass.columns.reject do |c|
(@columns_to_ignore || []).include?(c.name)
end.map do |d|
"#{d.name}:#{d.sql_type == 'jsonb' ? 'json' : d.type}"
end.join(' ')}"
command << ' --force' if @force
puts command
puts %x{#{command}} if @run_command
puts (1..200).to_a.map{}.join('-')
rescue NameError # uninitialized constant SomeTableWithoutModelDefinition
next
end
end