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, rule_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, rule_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
  @rule_repository = rule_repository
end

Instance Method Details

#all ⇒ Object 



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# File 'lib/togls/toggle_repository.rb', line 63

def all
  toggle_data_collection = fetch_all_toggle_data.values

  toggle_data_collection.map do |toggle_data|
    reconstitute_toggle(toggle_data)
  end
end

#extract_storage_payload(toggle) ⇒ Object 



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# File 'lib/togls/toggle_repository.rb', line 28

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

#fetch_all_toggle_data ⇒ Object 



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# File 'lib/togls/toggle_repository.rb', line 55

def fetch_all_toggle_data
  toggle_data_collection = {}
  @drivers.each do |driver|
    toggle_data_collection.merge!(driver.all)
  end
  toggle_data_collection
end

#fetch_toggle_data(id) ⇒ Object 



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# File 'lib/togls/toggle_repository.rb', line 46

def fetch_toggle_data(id)
  toggle_data = nil
  @drivers.reverse.each do |driver|
    toggle_data = driver.get(id)
    break if toggle_data
  end
  toggle_data
end

#get(id) ⇒ Object 



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# File 'lib/togls/toggle_repository.rb', line 32

def get(id)
  toggle_data = fetch_toggle_data(id)
  return reconstitute_toggle(toggle_data) if toggle_data
  Togls::NullToggle.new
end

#reconstitute_toggle(toggle_data) ⇒ Object 



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# File 'lib/togls/toggle_repository.rb', line 38

def reconstitute_toggle(toggle_data)
  feature = @feature_repository.get(toggle_data['feature_id'])
  rule = @rule_repository.get(toggle_data['rule_id'])
  toggle = Togls::Toggle.new(feature)
  toggle.rule = rule
  toggle
end

#store(toggle) ⇒ Object 



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# File 'lib/togls/toggle_repository.rb', line 18

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

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