Class: VerifiedHolidays::CabinetOffice

Inherits:
Object
  • Object
show all
Defined in:
lib/verified_holidays/cabinet_office.rb

Defined Under Namespace

Classes: FetchError

Constant Summary collapse

CSV_URL = 
'https://www8.cao.go.jp/chosei/shukujitsu/syukujitsu.csv'

Class Method Summary collapse

Class Method Details

.fetch ⇒ Object

Raises:



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# File 'lib/verified_holidays/cabinet_office.rb', line 15

def self.fetch
  holidays = parse(download_csv)
  raise FetchError, "#{CSV_URL} returned no holidays" if holidays.empty?

  holidays
end

.parse(csv_string) ⇒ Object 



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# File 'lib/verified_holidays/cabinet_office.rb', line 42

def self.parse(csv_string)
  holidays = {}
  CSV.parse(csv_string, headers: true) do |row|
    date_str = presence(row['国民の祝日・休日月日'])
    name = presence(row['国民の祝日・休日名称'])
    next if date_str.nil? || name.nil?

    holidays[Date.strptime(date_str, '%Y/%m/%d')] = name
  end
  holidays
rescue Date::Error => e
  raise FetchError, "#{CSV_URL} contains an invalid date: #{e.message}"
end