Method: GitModel::Persistable#save

Defined in:
lib/gitmodel/persistable.rb

#save(options = {}) ⇒ Object

Valid options are:

:transaction
OR:
:branch
:commit_message

Returns false if validations failed, otherwise returns the SHA of the commit



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# File 'lib/gitmodel/persistable.rb', line 110

def save(options = {})
  _run_save_callbacks do 
    raise GitModel::NullId unless self.id

    if new_record?
      raise GitModel::RecordExists if self.class.exists?(self.id)
    else
      raise GitModel::RecordDoesntExist unless self.class.exists?(self.id)
    end

    GitModel.logger.debug "Saving #{self.class.name} with id: #{id}"

    dir = File.join(self.class.db_subdir, self.id)

    transaction = options.delete(:transaction) || GitModel::Transaction.new(options) 
    result = transaction.execute do |t|
      # Write the attributes to the attributes file
      t.index.add(File.join(dir, 'attributes.json'), Yajl::Encoder.encode(attributes, nil, :pretty => true))

      # Write the blob files
      blobs.each do |name, data|
        t.index.add(File.join(dir, name), data)
      end
    end

    if result
      @path = dir
      @branch = transaction.branch
      @new_record = false
    end

    result
  end
end