Class: Togls::ToggleRepository

Inherits:
Object
  • Object
show all
Defined in:
lib/togls/toggle_repository.rb

Overview

Toggle Repository

Repository interface for storing and retrieving toggles.

Instance Method Summary collapse

Constructor Details

#initialize(drivers, feature_repository) ⇒ ToggleRepository

Returns a new instance of ToggleRepository.



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# File 'lib/togls/toggle_repository.rb', line 6

def initialize(drivers, feature_repository)
  unless drivers.is_a?(Array)
    raise Togls::InvalidDriver, 'ToggleRepository requires a valid driver'
  end
  if drivers.empty?
    raise Togls::MissingDriver, 'ToggleRepository requires a driver'
  end
  @drivers = drivers
  @feature_repository = feature_repository
end

Instance Method Details

#extract_storage_payload(toggle) ⇒ Object 



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# File 'lib/togls/toggle_repository.rb', line 27

def extract_storage_payload(toggle)
  { 'feature_id' => toggle.feature.id, 'rule_id' => toggle.rule.id.to_s }
end

#get(id) ⇒ Object 



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# File 'lib/togls/toggle_repository.rb', line 31

def get(id)
  @drivers.reverse.each do |driver|
    toggle_data = driver.get(id)
    if toggle_data
      toggle = reconstitute_toggle(toggle_data)
      return toggle unless toggle.is_a?(::Togls::NullToggle)
    end
  end
  Togls::NullToggle.new
end

#reconstitute_toggle(toggle_data) ⇒ Object 



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# File 'lib/togls/toggle_repository.rb', line 42

def reconstitute_toggle(toggle_data)
  begin
    feature = @feature_repository.get(toggle_data['feature_id'])
  rescue Togls::RepositoryFeatureDataInvalid => e
    return Togls::NullToggle.new
  end

  begin
    rule = ::Togls.send(:rule_repository).get(toggle_data['rule_id'])
  rescue Togls::RepositoryRuleDataInvalid => e
    return Togls::NullToggle.new
  end

  toggle = Togls::Toggle.new(feature)
  begin
    toggle.rule = rule
    toggle
  rescue Togls::RuleFeatureTargetTypeMismatch
    Togls.logger.warn("Feature (#{feature.key}) with target type '#{feature.target_type}' has a rule (#{rule.id}) mismatch with target type '#{rule.target_type}'")
    return Togls::RuleFeatureMismatchToggle.new
  end
end

#store(toggle) ⇒ Object 



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# File 'lib/togls/toggle_repository.rb', line 17

def store(toggle)
  @feature_repository.store(toggle.feature)
  ::Togls.send(:rule_repository).store(toggle.rule)
  payload = extract_storage_payload(toggle)

  @drivers.each do |driver|
    driver.store(toggle.id, payload)
  end
end