Class: Timely::DateGroup

Inherits:
ActiveRecord::Base
  • Object
show all
Defined in:
lib/timely/rails/date_group.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.from_patterns(patterns) ⇒ Object 



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# File 'lib/timely/rails/date_group.rb', line 43

def self.from_patterns(patterns)
  date_groups = []
  Array.wrap(patterns).each do |pattern|
    if pattern.frequency.unit == :weeks
      weekdays = pattern.intervals.map { |i| i.first_datetime.wday }.inject({}) do |hash, wday|
        hash[wday] = 1
        hash
      end
      date_groups << DateGroup.new(
        :start_date => pattern.first_datetime.to_date,
        :end_date => pattern.last_datetime.to_date,
        :weekdays => weekdays)
    elsif pattern.frequency.unit == :days && pattern.frequency.duration == 1.day
      date_groups << DateGroup.new(
        :start_date => pattern.first_datetime.to_date,
        :end_date => pattern.last_datetime.to_date,
        :weekdays => 127)
    else
      pattern.datetimes.each do |datetimes|
        datetimes.group_by(&:week).values.each do |dates|
          weekdays = dates.map(&:wday).inject({}) do |hash, wday|
            hash[wday] = 1
            hash
          end
          date_groups << DateGroup.new(
            :start_date => dates.min.to_date.beginning_of_week,
            :end_date => dates.max.to_date.end_of_week,
            :weekdays => weekdays)
        end
      end
    end
  end
  date_groups
end

Instance Method Details

#applicable_for_duration?(date_range) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/timely/rails/date_group.rb', line 14

def applicable_for_duration?(date_range)
  if date_range.first > end_date || date_range.last < start_date
    false
  elsif weekdays.all_days?
    true
  else
    date_range.intersecting_dates(start_date..end_date).any?{|d| weekdays.applies_for_date?(d)}
  end
end

#dates ⇒ Object 



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# File 'lib/timely/rails/date_group.rb', line 24

def dates
  start_date.upto(end_date).select { |d| weekdays.applies_for_date?(d) }
end

#includes_date?(date) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/timely/rails/date_group.rb', line 10

def includes_date?(date)
  date >= start_date && date <= end_date && weekdays.applies_for_date?(date)
end

#pattern ⇒ Object

—————- Date intervals and patterns —————–#



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# File 'lib/timely/rails/date_group.rb', line 38

def pattern
  ranges = dates.group_by(&:wday).values.map { |weekdates| (weekdates.min..weekdates.max) }
  TemporalPatterns::Pattern.new(ranges, 1.week)
end

#to_s ⇒ Object 



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# File 'lib/timely/rails/date_group.rb', line 28

def to_s
  str = start_date && end_date ? (start_date..end_date).to_date_range.to_s : (start_date || end_date).to_s
  str += " on #{weekdays}" unless weekdays.all_days?
  str
end