Module: Remotable::Adapters::ActiveResource::ClassMethods

Defined in:
lib/remotable/adapters/active_resource.rb

Constant Summary collapse

IF_MODIFIED_SINCE = 
"If-Modified-Since".freeze

Instance Method Summary collapse

Instance Method Details

#expanded_path_for(path) ⇒ Object 



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# File 'lib/remotable/adapters/active_resource.rb', line 96

def expanded_path_for(path)
  if relative_path?(path)
    URI.join_url_segments(prefix, collection_name, "#{path}.#{format.extension}")
  else
    path
  end
end

#find_by(path) ⇒ Object 



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# File 'lib/remotable/adapters/active_resource.rb', line 73

def find_by(path)
  find_by!(path)
rescue ::ActiveResource::ResourceNotFound
  nil
end

#find_by!(path) ⇒ Object 



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# File 'lib/remotable/adapters/active_resource.rb', line 79

def find_by!(path)
  expanded_path = expanded_path_for(path)
  Remotable.logger.info "[remotable:#{name.underscore}] GET #{expanded_path} (timeout: #{timeout})"
  find(:one, :from => expanded_path).tap do |resource|
    resource.remote_key_path = expanded_path if resource
  end
rescue ::ActiveResource::TimeoutError
  $!.extend Remotable::TimeoutError
  raise
rescue ::ActiveResource::ServerError
  $!.extend Remotable::ServiceUnavailableError if $!.response.code == 503
  $!.extend Remotable::TimeoutError if $!.response.code == 504
  raise
end

#find_by_for_local(local_record, path) ⇒ Object

This is always invoked by instance#fetch_remote_resource. It expects to find a remote counterpart for a local resource. It should always return a NullRemote object that doesn’t alter the behavior of a normal model at all.



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# File 'lib/remotable/adapters/active_resource.rb', line 59

def find_by_for_local(local_record, path)
  had_previous_value = headers.key?(IF_MODIFIED_SINCE)
  previous_value = headers[IF_MODIFIED_SINCE]
  
  headers[IF_MODIFIED_SINCE] = Remotable.http_format_time(local_record.updated_at) if local_record.accepts_not_modified?
  find_by(path)
ensure
  if had_previous_value
    headers[IF_MODIFIED_SINCE] = previous_value
  else
    headers.delete(IF_MODIFIED_SINCE)
  end
end

#new_resource ⇒ Object 



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# File 'lib/remotable/adapters/active_resource.rb', line 49

def new_resource
  new
end