Method: GoodData::MdObject#save

Defined in:
lib/gooddata/models/metadata.rb

#save ⇒ Object 



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# File 'lib/gooddata/models/metadata.rb', line 218

def save
  fail('Validation failed') unless validate

  opts = {
    :client => client,
    :project => project
  }

  if saved?
    client.put(uri, to_json)
  else
    explicit_identifier = meta['identifier']
    # Pre-check to provide a user-friendly error rather than
    # failing later
    klass = self.class
    if explicit_identifier && klass[explicit_identifier, opts]
      fail "Identifier '#{explicit_identifier}' already in use"
    end

    req_uri = project.md['obj']
    result = client.post(req_uri, to_json)
    saved_object = self.class[result['uri'], opts]
    # TODO: add test for explicitly provided identifier

    @json = saved_object.json
    if explicit_identifier
      # Object creation API discards the identifier. If an identifier
      # was explicitely provided in the origina object, we need to set
      # it explicitly with an extra PUT call.
      meta['identifier'] = explicit_identifier
      begin
        client.put(uri, to_json)
      rescue => e
        # Cannot change the identifier (perhaps because it's in use
        # already?), cleaning up.
        client.delete(uri)
        raise e
      end
    end
  end
  self
end