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module Chronic
class RepeaterYear < Repeater #:nodoc:
YEAR_SECONDS = 31536000 # 365 * 24 * 60 * 60
def initialize(type)
super
end
def next(pointer)
super
if !@current_year_start
case pointer
when :future
@current_year_start = Chronic.construct(@now.year + 1)
when :past
@current_year_start = Chronic.construct(@now.year - 1)
end
else
diff = pointer == :future ? 1 : -1
@current_year_start = Chronic.construct(@current_year_start.year + diff)
end
Span.new(@current_year_start, Chronic.construct(@current_year_start.year + 1))
end
def this(pointer = :future)
super
case pointer
when :future
this_year_start = Chronic.construct(@now.year, @now.month, @now.day + 1)
this_year_end = Chronic.construct(@now.year + 1, 1, 1)
when :past
this_year_start = Chronic.construct(@now.year, 1, 1)
this_year_end = Chronic.construct(@now.year, @now.month, @now.day)
when :none
this_year_start = Chronic.construct(@now.year, 1, 1)
this_year_end = Chronic.construct(@now.year + 1, 1, 1)
end
Span.new(this_year_start, this_year_end)
end
def offset(span, amount, pointer)
direction = pointer == :future ? 1 : -1
new_begin = build_offset_time(span.begin, amount, direction)
new_end = build_offset_time(span.end, amount, direction)
Span.new(new_begin, new_end)
end
def width
YEAR_SECONDS
end
def to_s
super << '-year'
end
private
def build_offset_time(time, amount, direction)
year = time.year + (amount * direction)
days = month_days(year, time.month)
day = time.day > days ? days : time.day
Chronic.construct(year, time.month, day, time.hour, time.min, time.sec)
end
def month_days(year, month)
if Date.leap?(year)
RepeaterMonth::MONTH_DAYS_LEAP[month - 1]
else
RepeaterMonth::MONTH_DAYS[month - 1]
end
end
end
end
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