Class: Growthbook::FeatureRepository

Inherits:
Object
  • Object
show all
Defined in:
lib/growthbook/feature_repository.rb

Overview

Optional class for fetching features from the GrowthBook API

Defined Under Namespace

Classes: FeatureFetchError, FeatureParseError

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(endpoint:, decryption_key:) ⇒ FeatureRepository

Returns a new instance of FeatureRepository.



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# File 'lib/growthbook/feature_repository.rb', line 21

def initialize(endpoint:, decryption_key:)
  @endpoint = endpoint
  @decryption_key = decryption_key
  @features_json = {}
  @saved_groups_json = {}
end

Instance Attribute Details

#decryption_key ⇒ Object (readonly)

[String, nil] Optional key for decrypting an encrypted payload



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# File 'lib/growthbook/feature_repository.rb', line 13

def decryption_key
  @decryption_key
end

#endpoint ⇒ Object (readonly)

[String] The SDK endpoint



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# File 'lib/growthbook/feature_repository.rb', line 10

def endpoint
  @endpoint
end

#features_json ⇒ Object (readonly)

Parsed features JSON



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# File 'lib/growthbook/feature_repository.rb', line 16

def features_json
  @features_json
end

#saved_groups_json ⇒ Object (readonly)

Parsed saved groups JSON (used by the $inGroup/$notInGroup operators)



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# File 'lib/growthbook/feature_repository.rb', line 19

def saved_groups_json
  @saved_groups_json
end

Instance Method Details

#fetch ⇒ Object 



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# File 'lib/growthbook/feature_repository.rb', line 28

def fetch
  uri = URI(endpoint)
  res = Net::HTTP.get_response(uri)

  @response = res.is_a?(Net::HTTPSuccess) ? res.body : nil

  return nil if response.nil?

  if use_decryption?
    parsed_decrypted_response
  else
    parsed_plain_text_response
  end
rescue StandardError
  nil
end

#fetch! ⇒ Object

Raises:



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# File 'lib/growthbook/feature_repository.rb', line 45

def fetch!
  fetch

  raise FeatureFetchError if response.nil?
  raise FeatureParseError if features_json.nil? || features_json.empty?

  features_json
end