Module: Datadog::OpenFeature::Exposures::Event

Defined in:
lib/datadog/open_feature/exposures/event.rb

Overview

A data model for an exposure event

Constant Summary collapse

TARGETING_KEY_FIELD = 
"targeting_key"
ALLOWED_FIELD_TYPES = 
[String, Integer, Float, TrueClass, FalseClass].freeze

Class Method Summary collapse

Class Method Details

.build(result, flag_key:, context:) ⇒ Object 



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# File 'lib/datadog/open_feature/exposures/event.rb', line 24

def build(result, flag_key:, context:)
  event = {
    timestamp: current_timestamp_ms,
    allocation: {
      key: result.allocation_key,
    },
    flag: {
      key: flag_key,
    },
    variant: {
      key: result.variant,
    },
    subject: {
      id: context.targeting_key,
      attributes: extract_attributes(context),
    },
  }

  serial_id = result.serial_id
  event[:serial_id] = serial_id unless serial_id.nil?

  event.freeze
end

.cache_key(result, flag_key:, context:) ⇒ Object 



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# File 'lib/datadog/open_feature/exposures/event.rb', line 14

def cache_key(result, flag_key:, context:)
  "#{flag_key}:#{context.targeting_key}"
end

.cache_value(result, flag_key:, context:) ⇒ Object

NOTE: The serial id is part of the value because it can appear or change on a configuration refresh while the allocation and the variant stay the same.



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# File 'lib/datadog/open_feature/exposures/event.rb', line 20

def cache_value(result, flag_key:, context:)
  "#{result.allocation_key}:#{result.variant}:#{result.serial_id}"
end