copy mapper from Gavin

copy_mapper.rb

# Note this needs to be mapper_id, not import_file_id
MAPPER_TO_COPY = Mapper::Base.find(_ID_)
 
fipz = FipsCode.where(state: '_STATE_').where("county is not null").pluck(:id)
 
files = ImportFile::Voter.where(fips_code_id: fipz)
 
files.each do |file|
  new_mapper = MAPPER_TO_COPY.copy
  new_mapper.fips_code_id = file.fips_code_id
  new_mapper.copied_from_mapper_id = nil
  new_mapper.save
  new_mapper.reload
  file.mapper_id = new_mapper.id
  file.save
end

# If you need to delete, cause you coppied the wrong mapper.....

files.each do |file|
  m = file.mapper
  m.destroy
end