Method: Medea::JasonObject#persist_changes

Defined in:

lib/medea/jasonobject.rb

#persist_changes(method = :post) ⇒ Object

# File 'lib/medea/jasonobject.rb', line 200

def persist_changes method = :post
  payload = self.serialise

  post_headers = {
      :content_type => 'application/json',
      "X-KEY"       => self.jason_key,
      "X-CLASS"     => self.class.name
      #also want to add the eTag here!
      #may also want to add any other indexable fields that the user specifies?
  }
  post_headers["IF-MATCH"] = @__jason_etag if @__jason_state == :dirty

  post_headers["X-PARENT"] = self.jason_parent.jason_key if self.jason_parent
  post_headers["X-LIST"] = self.jason_parent_list if self.jason_parent_list

  if opts[:located]
    #set the location headers
    if geohash?
      post_headers["X-GEOHASH"] = geohash
    end
    if latitude? && longitude?
      post_headers["X-LATITUDE"] = latitude
      post_headers["X-LONGITUDE"] = longitude
    end
  end

  post_headers.merge! permissions_header

  url = to_url()

  #puts "Saving to #{url}"
  if method == :post
    response = RestClient.post(url, payload, post_headers)
  elsif method == :delete
    response = RestClient.delete(url, post_headers)
  else
    raise "Unknown method '#{method.to_s}'"
  end

  if response.code == 201
    #save successful!
    #store the new eTag for this object
    #puts response.raw_headers
    @__jason_etag = response.headers[:Etag]
    @__jason_timestamp = response.headers[:timestamp]
  else
    raise "#{method.to_s.upcase} failed! Could not persist changes"
  end

  @__jason_state = :stale
end