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require 'date'
require 'active_support/core_ext/time/calculations'
class String
# Form can be either :utc (default) or :local.
def to_time(form = :utc)
return nil if self.blank?
d = ::Date._parse(self, false).values_at(:year, :mon, :mday, :hour, :min, :sec, :sec_fraction, :offset).map { |arg| arg || 0 }
d[6] *= 1000000
::Time.send("#{form}_time", *d[0..6]) - d[7]
end
def to_date
return nil if self.blank?
::Date.new(*::Date._parse(self, false).values_at(:year, :mon, :mday))
end
def to_datetime
return nil if self.blank?
d = ::Date._parse(self, false).values_at(:year, :mon, :mday, :hour, :min, :sec, :zone, :sec_fraction).map { |arg| arg || 0 }
d[5] += d.pop
::DateTime.civil(*d)
end
end
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