module Koko::Tracker::Utils
Constants
- UTC_OFFSET_WITHOUT_COLON
- UTC_OFFSET_WITH_COLON
Public Instance Methods
date_in_iso8601(date)
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# File lib/koko/tracker/utils.rb, line 72 def date_in_iso8601 date date.strftime("%F") end
datetime_in_iso8601(datetime)
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# File lib/koko/tracker/utils.rb, line 51 def datetime_in_iso8601 datetime case datetime when Time time_in_iso8601 datetime when DateTime time_in_iso8601 datetime.to_time when Date date_in_iso8601 datetime else datetime end end
formatted_offset(time, colon = true, alternate_utc_string = nil)
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# File lib/koko/tracker/utils.rb, line 76 def formatted_offset time, colon = true, alternate_utc_string = nil time.utc? && alternate_utc_string || seconds_to_utc_offset(time.utc_offset, colon) end
isoify_dates(hash)
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public: Returns a new hash with all the date values in the into iso8601
strings
# File lib/koko/tracker/utils.rb, line 29 def isoify_dates(hash) hash.inject({}) { |memo, (k, v)| memo[k] = datetime_in_iso8601(v) memo } end
isoify_dates!(hash)
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public: Converts all the date values in the into iso8601 strings in place
# File lib/koko/tracker/utils.rb, line 38 def isoify_dates!(hash) hash.replace isoify_dates hash end
seconds_to_utc_offset(seconds, colon = true)
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# File lib/koko/tracker/utils.rb, line 80 def seconds_to_utc_offset(seconds, colon = true) (colon ? UTC_OFFSET_WITH_COLON : UTC_OFFSET_WITHOUT_COLON) % [(seconds < 0 ? '-' : '+'), (seconds.abs / 3600), ((seconds.abs % 3600) / 60)] end
stringify_keys(hash)
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public: Return a new hash with keys as strings
# File lib/koko/tracker/utils.rb, line 22 def stringify_keys(hash) hash.inject({}) { |memo, (k,v)| memo[k.to_s] = v; memo } end
symbolize_keys(hash)
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public: Return a new hash with keys converted from strings to symbols
# File lib/koko/tracker/utils.rb, line 10 def symbolize_keys(hash) hash.inject({}) { |memo, (k,v)| memo[k.to_sym] = v; memo } end
symbolize_keys!(hash)
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public: Convert hash keys from strings to symbols in place
# File lib/koko/tracker/utils.rb, line 16 def symbolize_keys!(hash) hash.replace symbolize_keys hash end
time_in_iso8601(time, fraction_digits = 3)
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# File lib/koko/tracker/utils.rb, line 64 def time_in_iso8601 time, fraction_digits = 3 fraction = if fraction_digits > 0 (".%06i" % time.usec)[0, fraction_digits + 1] end "#{time.strftime("%Y-%m-%dT%H:%M:%S")}#{fraction}#{formatted_offset(time, true, 'Z')}" end
uid()
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public: Returns a uid string
# File lib/koko/tracker/utils.rb, line 44 def uid arr = SecureRandom.random_bytes(16).unpack("NnnnnN") arr[2] = (arr[2] & 0x0fff) | 0x4000 arr[3] = (arr[3] & 0x3fff) | 0x8000 "%08x-%04x-%04x-%04x-%04x%08x" % arr end