Class: Timely::DateRange

Inherits:
Range
  • Object
show all
Defined in:
lib/timely/date_range.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Range

#days_from, #to_date_range

Constructor Details

#initialize(*args) ⇒ DateRange

Returns a new instance of DateRange.



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# File 'lib/timely/date_range.rb', line 5

def initialize(*args)
  if args.first.is_a?(Range)
    date_range = args.first
    DateRange.validate_range(date_range.first, date_range.last)
    super(date_range.first.to_date, date_range.last.to_date)
  elsif args.size == 1 && args.first.is_a?(Date)
    DateRange.validate_range(args.first, args.last)
    super(args.first.to_date, args.first.to_date)
  else
    DateRange.validate_range(args.first, args.last)
    super(args.first.to_date, args.last.to_date)
  end
end

Class Method Details

.from_params(start_date, duration = nil) ⇒ Object 



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# File 'lib/timely/date_range.rb', line 28

def self.from_params(start_date, duration = nil)
  start_date = start_date.to_date
  duration   = [1, duration.to_i].max

  new(start_date..(start_date + duration - 1))
end

.to_s(first = nil, last = nil, month_fmt = '%b %Y', date_fmt = default_date_format, time_fmt = nil) ⇒ Object 



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# File 'lib/timely/date_range.rb', line 53

def self.to_s(first = nil, last = nil, month_fmt = '%b %Y', date_fmt = default_date_format, time_fmt = nil)
  time_fmt ||= date_fmt + ' %H:%M'
  is_date = first.is_a?(Date) || last.is_a?(Date)
  fmt = is_date ? date_fmt : time_fmt
  if first && last
    if first == last
      first.strftime(fmt)
    elsif first == first.at_beginning_of_month && last == last.at_end_of_month
      if first.year == last.year && first.month == last.month
        first.strftime(month_fmt)
      else
        "#{first.strftime(month_fmt)} to #{last.strftime(month_fmt)}"
      end
    else
      "#{first.strftime(fmt)} to #{last.strftime(fmt)}#{' (inclusive)' if is_date}"
    end
  elsif first
    "on or after #{first.strftime(fmt)}"
  elsif last
    "on or before #{last.strftime(fmt)}"
  else
    'no date range'
  end
end

.validate_range(first, last) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/timely/date_range.rb', line 21

def self.validate_range(first, last)
  raise ArgumentError, 'Date range missing start date' if first.nil?
  raise ArgumentError, 'Date range missing end date' if last.nil?
  raise ArgumentError, 'Start date is not a date' unless first.is_a? Date
  raise ArgumentError, 'End date is not a date' unless last.is_a? Date
end

Instance Method Details

#intersecting_dates(date_range) ⇒ Object 



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# File 'lib/timely/date_range.rb', line 35

def intersecting_dates(date_range)
  r_start = [start_date, date_range.first].max
  r_end = [end_date, date_range.last].min

  return [] if r_end < r_start

  r_start..r_end
end

#number_of_nights ⇒ Object Also known as: duration 



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# File 'lib/timely/date_range.rb', line 44

def number_of_nights
  ((last - first) + 1).to_i
end

#to_s(fmt = '%b %Y', date_fmt = '%Y-%m-%d') ⇒ Object 



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# File 'lib/timely/date_range.rb', line 49

def to_s(fmt = '%b %Y', date_fmt = '%Y-%m-%d')
  Timely::DateRange.to_s(first, last, fmt, date_fmt)
end