Module: ProjectStore::Editing

Included in:
Base
Defined in:
lib/project_store/editing.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#editor ⇒ Object 



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# File 'lib/project_store/editing.rb', line 10

def editor
  @editor ||= ENV['EDITOR']
end

Instance Method Details

#edit(file_or_entity) ⇒ Object 



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# File 'lib/project_store/editing.rb', line 14

def edit(file_or_entity)
  file =  case file_or_entity
            when String
              if File.exists? file_or_entity and File.readable? file_or_entity
                file_or_entity
              else
                raise PSE, "Invalid file to edit '#{file_or_entity}'"
              end
            when ProjectStore::Entity::Base
              file_or_entity.backing_store.path
          end
  tmp_file = Tempfile.new(self.class.name).path
  begin
    FileUtils.copy file, tmp_file
    edit_file tmp_file
    begin
      store = YAML::Store.new(tmp_file)
      store.transaction do
        store.roots.each do |entity_type|
          store[entity_type]
        end
      end
      FileUtils.copy tmp_file, file
      logger.info "File '#{file}' updated successfully."
      file
    rescue => e
      logger.debug "#{e.message}\nBacktrace:\n#{e.backtrace.join("\n\t")}"
      raise PSE, 'Invalid modifications. Aborted !'
    end
  ensure
    File.unlink tmp_file
  end

end