class MudratProjector::Schedule

Attributes

count[RW]

Public Class Methods

new(params = {}) click to toggle source
# File lib/mudrat_projector/schedule.rb, line 5
def initialize params = {}
  @count  = params.fetch :count, nil
  @scalar = params.fetch :scalar
  @unit   = params.fetch :unit
end

Public Instance Methods

advance_over(range) { |date, factor| ... } click to toggle source
# File lib/mudrat_projector/schedule.rb, line 11
def advance_over range
  split_count_over(range).reduce range.begin do |date, factor|
    @count -= factor if @count
    yield [date, factor]
    scalar.times.reduce date do |date, _|
      DateDiff.advance intervals: factor, unit: unit, from: date
    end
  end
end
finished?() click to toggle source
# File lib/mudrat_projector/schedule.rb, line 21
def finished?
  (count.nil? || count > 0) ? false : true
end
serialize() click to toggle source
# File lib/mudrat_projector/schedule.rb, line 34
def serialize
  {
    scalar: scalar,
    unit:   unit,
  }.tap { |h| h[:count] = count if count }
end
slice(range, &block) click to toggle source
# File lib/mudrat_projector/schedule.rb, line 41
def slice range, &block
  bits = []
  advance_over range do |date, factor| bits.push [date, factor]; end
  leftover = finished? ? nil : serialize
  [bits, leftover]
end
split_count_over(range) click to toggle source
# File lib/mudrat_projector/schedule.rb, line 25
def split_count_over range
  diff = DateDiff.date_diff unit: unit, from: range.begin, to: range.end
  full_units, final_prorate = [@count, diff].compact.min.divmod scalar
  final_prorate /= scalar
  ([1] * full_units).tap do |list|
    list.push final_prorate unless final_prorate.zero?
  end
end