GoogleHolidayCalendar

Get holidays via Google Calendar.

Requirements

ruby 2.0.0+

Installation

Add this line to your application's Gemfile:

gem 'google_holiday_calendar'

And then execute:

$ bundle

Or install it yourself as:

$ gem install google_holiday_calendar

Getting API key

1. Create GCP project

https://console.cloud.google.com/projectcreate

create-project

2. Go to credentials

dashboard

3. Create credential with API key

create-credential

4. Enable restrictions (Optional)

Click RESTRICT KEY

api-key-created

e.g. "IP addresses" in Application restrictions

application-restrictions

5. Enable calendar API

Go to Library

dashboard-library

Search with "Calendar" and enable "Google Calendar API".

Usage (via ruby)

require "google_holiday_calendar"

usa_calendar = GoogleHolidayCalendar::Calendar.new(country: "usa", lang: "en", api_key: "YOUR_API_KEY")

usa_calendar.holidays(start_date: "2014-01-01", end_date: "2014-03-01", limit: 5)
# => {Wed, 01 Jan 2014=>"New Year's Day", Mon, 20 Jan 2014=>"Martin Luther King Day", Fri, 14 Feb 2014=>"Valentine's Day", Mon, 17 Feb 2014=>"Presidents' Day (Washington's Birthday)"}

japan_calendar = GoogleHolidayCalendar::Calendar.new(country: "japanese", lang: "ja", api_key: "YOUR_API_KEY")

japan_calendar.holidays(start_date: "2014-01-01", end_date: "2014-03-01", limit: 5)
# => {Wed, 01 Jan 2014=>"元日", Thu, 02 Jan 2014=>"銀行休業日", Fri, 03 Jan 2014=>"銀行休業日", Mon, 13 Jan 2014=>"成人の日", Tue, 11 Feb 2014=>"建国記念の日"}

japan_calendar.holiday?("2014-01-01")
# => true

japan_calendar.holiday?("2014-02-01")
# => false

Usage (via bash)

# get holidays (today - 1 month after)
$ date +"%Y-%m-%d"
2014-02-24

$ GOOGLE_API_KEY=xxxx google_holiday_calendar
2014-03-09: Daylight Saving Time starts

# get holidays (2014/01/01 - 2014/07/01)
$ GOOGLE_API_KEY=xxxx google_holiday_calendar --start-date=2014-01-01 --end-date=2014-07-01
2014-01-01: New Year's Day
2014-01-20: Martin Luther King Day
2014-02-14: Valentine's Day
2014-02-17: Presidents' Day (Washington's Birthday)
2014-03-09: Daylight Saving Time starts
2014-04-13: Thomas Jefferson's Birthday
2014-04-20: Easter Sunday
2014-05-11: Mothers' Day
2014-05-26: Memorial Day
2014-06-15: Fathers' Day

# get holidays (with limit)
$ GOOGLE_API_KEY=xxxx google_holiday_calendar --start-date=2014-01-01 --end-date=2014-07-01 --limit=3
2014-02-14: Valentine's Day
2014-02-17: Presidents' Day (Washington's Birthday)
2014-04-13: Thomas Jefferson's Birthday

# get holidays (specify country and language)
$ GOOGLE_API_KEY=xxxx google_holiday_calendar --start-date=2014-01-01 --end-date=2014-07-01 --country=japanese --lang=ja
2014-01-01: 元日
2014-01-02: 銀行休業日
2014-01-03: 銀行休業日
2014-01-13: 成人の日
2014-02-11: 建国記念の日
2014-03-21: 春分の日
2014-04-29: 昭和の日
2014-05-03: 憲法記念日
2014-05-04: みどりの日
2014-05-06: みどりの日 振替休日

More reference

http://rubydoc.info/github/sue445/google_holiday_calendar

Contributing

Fork it ( http://github.com/sue445/google_holiday_calendar/fork )
Create your feature branch (git checkout -b my-new-feature)
Commit your changes (git commit -am 'Add some feature')
Push to the branch (git push origin my-new-feature)
Create new Pull Request