Class: SplitIoClient::Api::Splits

Inherits:
Client
  • Object
show all
Defined in:
lib/splitclient-rb/engine/api/splits.rb

Overview

Retrieves split definitions from the Split Backend

Constant Summary collapse

PROXY_CHECK_INTERVAL_SECONDS = 
24 * 60 * 60
SPEC_1_1 = 
"1.1"

Instance Method Summary collapse

Methods inherited from Client

#get_api, #post_api, #sdk_url_overriden?

Constructor Details

#initialize(api_key, config, telemetry_runtime_producer) ⇒ Splits

Returns a new instance of Splits.



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# File 'lib/splitclient-rb/engine/api/splits.rb', line 11

def initialize(api_key, config, telemetry_runtime_producer)
  super(config)
  @api_key = api_key
  @telemetry_runtime_producer = telemetry_runtime_producer
  @flag_sets_filter = @config.flag_sets_filter
  @spec_version = SplitIoClient::Spec::FeatureFlags::SPEC_VERSION
  @last_proxy_check_timestamp = 0
  @clear_storage = false
  @old_spec_since = nil
end

Instance Method Details

#clear_storage ⇒ Object 



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# File 'lib/splitclient-rb/engine/api/splits.rb', line 71

def clear_storage
  @clear_storage
end

#since(since, since_rbs, fetch_options = { cache_control_headers: false, till: nil, sets: nil}) ⇒ Object 



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# File 'lib/splitclient-rb/engine/api/splits.rb', line 22

def since(since, since_rbs, fetch_options = { cache_control_headers: false, till: nil, sets: nil})
  start = Time.now
  
  if check_last_proxy_check_timestamp
      @spec_version = SplitIoClient::Spec::FeatureFlags::SPEC_VERSION
      @config.logger.debug("Switching to new Feature flag spec #{@spec_version} and fetching.")
      @old_spec_since = since
      since = -1
      since_rbs = -1
      fetch_options = { cache_control_headers: false, till: nil, sets: nil}
  end

  if @spec_version == Splits::SPEC_1_1
    since = @old_spec_since unless @old_spec_since.nil?
    params = { s: @spec_version, since: since }
    @old_spec_since = nil
  else
    params = { s: @spec_version, since: since, rbSince: since_rbs }
  end

  params[:sets] = @flag_sets_filter.join(",") unless @flag_sets_filter.empty?
  params[:till] = fetch_options[:till] unless fetch_options[:till].nil?
  @config.logger.debug("Fetching from splitChanges with #{params}: ")
  response = get_api("#{@config.base_uri}/splitChanges", @api_key, params, fetch_options[:cache_control_headers])
  if response.status == 414
    @config.logger.error("Error fetching feature flags; the amount of flag sets provided are too big, causing uri length error.")
    raise ApiException.new response.body, 414
  end

  if response.status == 400 and sdk_url_overriden? and @spec_version == SplitIoClient::Spec::FeatureFlags::SPEC_VERSION
      @config.logger.warn("Detected proxy response error, changing spec version from #{@spec_version} to #{Splits::SPEC_1_1} and re-fetching.")
      @spec_version = Splits::SPEC_1_1
      @last_proxy_check_timestamp = Time.now
      return since(since, 0, fetch_options = {cache_control_headers: fetch_options[:cache_control_headers], till: fetch_options[:till],
          sets: fetch_options[:sets]})          
  end
  if response.success?
    result = JSON.parse(response.body, symbolize_names: true)

    return process_result(result, since, since_rbs, start)
  end
  @telemetry_runtime_producer.record_sync_error(Telemetry::Domain::Constants::SPLIT_SYNC, response.status)

  @config.logger.error("Unexpected status code while fetching feature flags: #{response.status}. " \
  'Check your API key and base URI')

  raise 'Split SDK failed to connect to backend to fetch feature flags definitions'
end