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Contents
require 'date'
class AdminDataDateValidation
def self.validate_with_operator(input)
return false if input.blank?
input.strip!
# replace multiple consecutive white spaces by one single whitespace
input.gsub!(/\s+/,' ')
operator, date = input.split
return false if operator.nil?
return false unless %w(> < >= <= =).include? operator
validate(date)
end
# Usage:
#
# validate('13-feb-2008') # => time_object
# validate('13-February-2008') # => time_object
# validate('13-February-2008') # => time_object
# validate('30-Feb-2008') #=> false
#
def self.validate(input)
return false if input.nil?
input.strip!
# remove all the white space characters
input.gsub!(/\s/,'')
return false if input.length < 9
dd,mm,yyyy = input.split('-')
return false if dd.nil?
return false if mm.nil?
return false if yyyy.nil?
# month must be of aleast three characters
return false if mm.length < 3
mm = mm.downcase
#get only the first three characters
mm = mm[0,3]
months = {'jan' => 1,
'feb' => 2,
'mar' => 3,
'apr' => 4,
'may' => 5,
'jun' => 6,
'jul' => 7,
'aug' => 8,
'sep' => 9,
'oct' => 10,
'nov' => 11,
'dec' => 12 }
return false unless months.keys.include? mm
mm = months[mm]
mm = mm.to_i
yyyy = yyyy.to_i
dd = dd.to_i
# validate date values
begin
Date.new(yyyy,mm,dd)
rescue => e
return false
end
t = Time.now
t.change(:year => yyyy, :month => mm, :day => dd, :hour => 0)
end
end
Version data entries
31 entries across 31 versions & 1 rubygems