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Contents
module MxitRails
class Validations
def self.not_blank? input
return !input.blank?
end
def self.numeric? input
return !input.blank? && input.match(/^[0-9]+$/)
end
def self.length? input, len
return !input.blank? && (input.length == len)
end
def self.min_length? input, max
return !input.blank? && (input.length >= max)
end
def self.max_length? input, max
return input.blank? || (input.length <= max)
end
def self.min_value? input, min
return input.to_f >= min
end
def self.max_value? input, max
return input.to_f <= max
end
def self.cellphone_number? input
return false unless numeric?(input)
# Normalise to local 0xx format
input.sub! /^00/, '0'
input.sub! /^\+/, ''
input.sub! /^27/, '0'
# Check length is 10, and first digits are 07 or 08
return false unless length?(input, 10)
return false unless ((input =~ /^07/) || (input =~ /^08/))
return true
end
def self.sa_id_number? input
return false unless numeric?(input)
#1. numeric and 13 digits
return false unless length?(input, 13)
#2. first 6 numbers is a valid date
dateString = "#{input[0..1]}-#{input[2..3]}-#{input[4..5]}"
begin
date = Date.parse dateString
rescue ArgumentError
return false
end
#3. luhn formula
temp_total = 0
checksum = 0
multiplier = 1
(0..12).each do |i|
temp_total = input[i].to_i * multiplier
if temp_total > 9
temp_total = temp_total.to_s[0].to_i + temp_total.to_s[1].to_i
end
checksum += temp_total
multiplier = multiplier.even? ? 1 : 2
end
return checksum % 10 == 0
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems