Module: Marty::Cleaner::MaintenanceWindow

Defined in:
app/services/marty/cleaner/maintenance_window.rb

Constant Summary collapse

CONFIG_KEY = 
'CLEANER_MAINTENANCE_WINDOW'
HASH_KEYS = 
['day', 'range'].freeze
DEFAULT_DAY = 
'saturday'
DEFAULT_RANGE = 
['00:00', '24:00'].freeze
DAYNAMES = 
Date::DAYNAMES.map(&:downcase).to_set

Class Method Summary collapse

Class Method Details

.call ⇒ Object 



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# File 'app/services/marty/cleaner/maintenance_window.rb', line 11

def call
  window = ::Marty::Config.fetch(CONFIG_KEY)
  raise "'#{CONFIG_KEY}' is not a hash'" unless window.is_a?(Hash)

  day, range = HASH_KEYS.map do |k|
    raise "'#{k}' is missing from '#{CONFIG_KEY}'" unless window.key?(k)

    window[k] || 'Marty::Cleaner::MaintenanceWindow'\
                "::DEFAULT_#{k.upcase}".constantize
  end

  raise '\'day\' must be a String' unless day.is_a?(String)

  pday = day.downcase
  raise '\'day\' must be a valid day of the week' unless
    DAYNAMES.member?(pday)

  # DisableTriggers call can impact the system so we only want to
  # clean on a specific maintenance days
  unless Time.zone.now.send("#{pday}?")
    raise "#{name.demodulize} can only be called on "\
          "#{pday.capitalize}"
  end

  raise '\'range\' must be an array of length 2' unless
    range.is_a?(Array) && range.size == 2

  prange = range.map { |r| Time.zone.parse(r) }
  raise 'invalid range specified' unless prange.all?

  raise "Current time not within maintenance window: #{prange}" unless
    Time.zone.now.between?(prange.first, prange.second)

  window.merge('range' => prange, 'day' => pday)
end