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Contents
module Barometer
module Utils
module Time
def self.parse(*args)
return unless args.compact.size > 0
first_arg = args.first
if first_arg.is_a? ::Time
first_arg
elsif first_arg.is_a?(::DateTime) || first_arg.is_a?(::Date)
::Time.parse(first_arg.to_s)
elsif args.size == 1 || args.size == 2
strptime(*args)
else
::Time.utc(*args)
end
end
def self.strftime(time)
time.strftime("%Y-%m-%d %H:%M:%S %z")
end
def self.strptime(str, format=nil)
dt = if format
::DateTime.strptime(str, format)
else
::DateTime.parse(str)
end
::Time.utc(dt.year, dt.month, dt.day, dt.hour, dt.min, dt.sec) - (dt.zone.to_f * 60 * 60)
end
def self.utc_from_base_plus_local_time(tz, base, hour, min)
return unless tz && base
local_base = tz.utc_to_local(base.utc)
local_time = ::Time.utc(local_base.year, local_base.month, local_base.day, hour, min, 0)
tz.local_to_utc(local_time)
end
def self.utc_merge_base_plus_time(base_time=nil, time=nil)
return unless base_time && time
base_time_utc = base_time.utc
time_utc = time.utc
::Time.utc(
base_time_utc.year, base_time_utc.month, base_time_utc.day,
time_utc.hour, time_utc.min, 0
)
end
def self.add_one_day(time)
return unless time
one_day_minus_one_second = (60 * 60 * 24 - 1)
time + one_day_minus_one_second
end
def self.add_one_hour(time)
return unless time
one_hour = (60 * 60 * 1)
time + one_hour
end
def self.start_of_day(time)
::Time.utc(
time.year, time.month, time.day,
0, 0, 0
)
end
def self.end_of_day(time)
::Time.utc(
time.year, time.month, time.day,
23, 59, 59
)
end
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems