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class HolidayImport
include ActiveModel::Validations
attr_accessor :holidays,
:ical_feed_url,
:start_year,
:end_year,
:start_date,
:end_date,
:source,
:populated
validate :all_holidays_valid
validates_inclusion_of :source, :in => %w( suggestions feed )
validates_presence_of :ical_feed_url,
:if => proc { |holiday_import| holiday_import.source == 'feed' }
def initialize(opts = {})
@populated = false
@start_year = opts.fetch(:start_year, Time.now.year).to_i
@end_year = opts.fetch(:end_year, Time.now.year).to_i
@start_date = Date.civil(start_year, 1, 1)
@end_date = Date.civil(end_year, 12, 31)
@source = opts.fetch(:source, 'suggestions')
@ical_feed_url = opts.fetch(:ical_feed_url, nil)
@country_code = AlaveteliConfiguration::iso_country_code.downcase
self.holidays_attributes = opts.fetch(:holidays_attributes, [])
end
def populate
source == 'suggestions' ? populate_from_suggestions : populate_from_ical_feed
@populated = true
end
def suggestions_country_name
IsoCountryCodes.find(@country_code).name if @country_code
end
def period
start_year == end_year ? "#{start_year}" : "#{start_year}-#{end_year}"
end
def save
holidays.all?(&:save)
end
def holidays_attributes=(incoming_data)
incoming_data.each{ |offset, incoming| self.holidays << Holiday.new(incoming) }
end
def holidays
@holidays ||= []
end
private
def all_holidays_valid
errors.add(:base, 'These holidays could not be imported') unless holidays.all?(&:valid?)
end
def populate_from_ical_feed
begin
cal_file = open(ical_feed_url)
cals = Icalendar.parse(cal_file, strict=false)
cal = cals.first
cal.events.each{ |cal_event| populate_from_ical_event(cal_event) }
rescue Errno::ENOENT, Exception => e
if e.message == 'Invalid line in calendar string!'
errors.add(:ical_feed_url, "Sorry, there's a problem with the format of that feed.")
elsif e.message.starts_with 'No such file or directory'
errors.add(:ical_feed_url, "Sorry we couldn't find that feed.")
else
raise e
end
end
end
def populate_from_ical_event(cal_event)
if cal_event.dtstart >= start_date and cal_event.dtstart <= end_date
holidays << Holiday.new(:description => cal_event.summary,
:day => cal_event.dtstart)
end
end
def populate_from_suggestions
begin
holiday_info = Holidays.between(start_date, end_date, @country_code.to_sym, :observed)
holiday_info.each do |holiday_info_hash|
holidays << Holiday.new(:description => holiday_info_hash[:name],
:day => holiday_info_hash[:date])
end
rescue Holidays::UnknownRegionError
[]
end
end
end
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