Class: Epoch::Pattern

Inherits:
Object
  • Object
show all
Defined in:
lib/epoch/pattern.rb

Constant Summary collapse

VALID_FREQUENCY = 
%w{ daily weekly monthly quarterly semesterly yearly}

Instance Method Summary collapse

Constructor Details

#initialize(frequency, start_at, end_at, interval = 1) ⇒ Pattern

Returns a new instance of Pattern.

Raises:

  • (TypeError) 


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# File 'lib/epoch/pattern.rb', line 5

def initialize(frequency, start_at, end_at, interval=1)
  raise TypeError, 'start_at should be a Date' unless start_at.kind_of?(Date)
  raise TypeError, 'end_at should be a Date' unless end_at.kind_of?(Date)
  unless VALID_FREQUENCY.include?(frequency)
    raise ArgumentError, "frequency should be 'daily', 'weekly', 'monthly', or 'yearly'" 
  end
  @start_at = start_at
  @end_at = end_at
  @frequency = frequency
  @interval = interval
  @date_range = start_at..end_at
end

Instance Method Details

#date_range ⇒ Object 



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# File 'lib/epoch/pattern.rb', line 25

def date_range
  @date_range
end

#dates ⇒ Object 



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# File 'lib/epoch/pattern.rb', line 29

def dates
  @dates = []
  puts "Find dates between #{@start_at} and #{@end_at}"
  @date_range.select do |date| 
    case @frequency
    when "daily"
      date == date
      @dates.push date
      # puts date
    when "weekly"
      date.wday == @start_at.wday
      #@dates.push date
      # puts date
    when "monthly"
      date.mday == @start_at.mday
      @dates << date
      # puts date
    when "yearly"
      puts "yearly"
    end
  end
  @dates
end

#end_at ⇒ Object 



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# File 'lib/epoch/pattern.rb', line 21

def end_at
  @end_at
end

#start_at ⇒ Object 



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# File 'lib/epoch/pattern.rb', line 17

def start_at
  @start_at
end