Class: Summoner::Sync

Inherits:
Object
  • Object
show all
Defined in:
lib/summoner/sync.rb

Class Method Summary collapse

Class Method Details

.call(yaml_path: nil) ⇒ Object 



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# File 'lib/summoner/sync.rb', line 5

def self.call(yaml_path: nil)
  yaml_path ||= Rails.root.join('config', 'features.yml')

  unless File.exist?(yaml_path)
    Rails.logger.warn "[Summoner] No features.yml file found at #{yaml_path}. Skipping synchronization."
    return false
  end

  parsed_yaml = YAML.load_file(yaml_path) || {}

  Summoner::Feature.transaction do
    sync_feature(parsed_yaml)
    deactivate_missing_features(parsed_yaml)
  end

  true
end

.deactivate_missing_features(parsed_yaml) ⇒ Object 



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# File 'lib/summoner/sync.rb', line 68

def self.deactivate_missing_features(parsed_yaml)
  active_keys = []

  parsed_yaml.each do |namespace, features|
    next unless features.is_a?(Hash)

    features.each do |raw_name, config|
      yaml_value = config['default']
      inferred_type = infer_type(yaml_value)
      name = normalize_name(raw_name, inferred_type)

      active_keys << "#{namespace}.#{name}"
    end
  end

  Summoner::Feature.where.not(key: active_keys).update_all(active: false)
end

.infer_type(value) ⇒ Object 



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# File 'lib/summoner/sync.rb', line 86

def self.infer_type(value)
  case value
  when TrueClass, FalseClass then 'boolean'
  when Integer then'integer'
  when Float then 'float'
  when Array, Hash then 'json'
  else 'string' 
  end
end

.normalize_name(name, type) ⇒ Object 



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# File 'lib/summoner/sync.rb', line 96

def self.normalize_name(name, type)
  name_str = name.to_s

  type == 'boolean' ? "#{name_str.chomp('?')}?" : name_str
end

.should_update_value?(feature, yaml_value) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/summoner/sync.rb', line 60

def self.should_update_value?(feature, yaml_value)
  feature.new_record? || feature.last_yaml_value != yaml_value
end

.should_update_yaml_field?(feature, yaml_value, tracked_attribute) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/summoner/sync.rb', line 64

def self.should_update_yaml_field?(feature, yaml_value, tracked_attribute)
  feature.new_record? || feature.public_send(tracked_attribute) != yaml_value
end

.sync_feature(parsed_yaml) ⇒ Object 



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# File 'lib/summoner/sync.rb', line 25

def self.sync_feature(parsed_yaml)
  parsed_yaml.each do |namespace, features|
    next unless features.is_a?(Hash)

    features.each do |raw_name, config|
      yaml_value = config['default']
      yaml_description = config['description']
      inferred_type = infer_type(yaml_value)
      name = normalize_name(raw_name, inferred_type)
      key = "#{namespace}.#{name}"
      feature = Summoner::Feature.find_or_initialize_by(key: key)

      feature.assign_attributes(
        namespace: namespace,
        name: name,
        value_type: inferred_type,
        match_attribute: config['match_attribute'],
        active: true
      )

      if should_update_value?(feature, yaml_value)
        feature.default_value = yaml_value
        feature.last_yaml_value = yaml_value
      end

      if should_update_yaml_field?(feature, yaml_description, :last_yaml_description)
        feature.description = yaml_description
        feature.last_yaml_description = yaml_description
      end

      feature.save!
    end
  end
end