Module: Gerry::Api::Changes

Included in:
Client
Defined in:
lib/gerry/api/changes.rb

Instance Method Summary collapse

Instance Method Details

#changes(options = []) ⇒ Hash

Get changes visible to the caller.

Parameters:

  • options (Array) (defaults to: []) —

    the query parameters.

Returns:

  • (Hash) —

    the changes.



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# File 'lib/gerry/api/changes.rb', line 10

def changes(options = [])
  endpoint = '/changes/'
  url = endpoint

  if !options.empty?
    url += '?' + map_options(options)
  end

  response = get(url)
  return response if response.empty? || !response.last.delete('_more_changes')

  # Get the original start parameter, if any, else start from 0.
  query = URI.parse(url).query
  query = query ? CGI.parse(query) : { 'S' => ['0'] }
  start = query['S'].join.to_i

  # Keep getting data until there are no more changes.
  loop do
    # Replace the start parameter, using the original start as an offset.
    query['S'] = ["#{start + response.size}"]
    url = endpoint + '?' + map_options(query)

    response.concat(get(url))
    return response if response.empty? || !response.last.delete('_more_changes')
  end
end