Module: Utils

Defined in:
lib/paystack/utils/utils.rb

Class Method Summary collapse

Class Method Details

.hasCardExpired(year, month) ⇒ Object 



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# File 'lib/paystack/utils/utils.rb', line 64

def Utils.hasCardExpired(year, month)
  # Normalize Year value e.g 14 becomes 2014 or 2114  etc.
  year_int = year.strip.to_i
  if(year_int < 100 && year_int >= 0)
    cal_year = Time.new.year.to_s
    year_int = ("#{cal_year[0..1]}#{year.strip}").to_i
  end
  
  # Check for expiration
  return !hasYearPassed(year_int) && !hasMonthPassed(year_int, month.to_i)

end

.hasMonthPassed(year, month) ⇒ Object 



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# File 'lib/paystack/utils/utils.rb', line 59

def Utils.hasMonthPassed(year, month)
  t = Time.new
  return hasYearPassed(year) || year == t.year && month < (t.month)
end

.hasYearPassed(year) ⇒ Object 



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# File 'lib/paystack/utils/utils.rb', line 56

def Utils.hasYearPassed(year)
  return year < Time.new.year
end

.isEmpty(value) ⇒ Object 



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# File 'lib/paystack/utils/utils.rb', line 52

def Utils.isEmpty(value)
  return (value.nil? || value.strip.eql?(""))
end

.isLuhnValidNumber(number) ⇒ Object 



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# File 'lib/paystack/utils/utils.rb', line 32

def Utils.isLuhnValidNumber(number)
  sum = 0
  length = number.strip.length;

  for i in 0..(length-1)
    c = number[length - 1 -i]

    if((c =~ /[[:digit:]]/) == nil)
      return false
    end
    digit = c.to_i
    if (i % 2 == 1)
      digit *= 2
    end 
    sum += digit > 9 ? digit - 9 : digit
  end

  return (sum % 10 == 0)
end

.isWholePositiveNumber(value) ⇒ Object 



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# File 'lib/paystack/utils/utils.rb', line 16

def Utils.isWholePositiveNumber(value)
  if(value == nil)
    return false
  end
  length = value.length;

  for i in 0..(length-1)
    c = value[i]

    if((c =~ /[[:digit:]]/) == nil)
      return false
    end
  end
  return true
end

.nullifyString(value) ⇒ Object 



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# File 'lib/paystack/utils/utils.rb', line 5

def Utils.nullifyString(value)
  if value.nil?
    return nil
  end

  if (value.strip.eql? "")
    return nil
  end
  return value;
end

.serverErrorHandler(e) ⇒ Object 



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# File 'lib/paystack/utils/utils.rb', line 81

def Utils.serverErrorHandler(e)

  if(e.response == nil)
    raise e
    return
  end
  error = PaystackServerError.new(e.response);
  case e.response.code
      when 400
        raise error, "HTTP Code 400: A validation or client side error occurred and the request was not fulfilled. "
      when 401
        raise error, "HTTP Code 401: The request was not authorized. This can be triggered by passing an invalid secret key in the authorization header or the lack of one"
      when 404
        raise error, "HTTP Code 404: Request could not be fulfilled as the request resource does not exist."
      when 500, 501,502,503,504
        raise error, "HTTP Code #{e.response.code}: Request could not be fulfilled due to an error on Paystack's end. This shouldn't happen so please report as soon as you encounter any instance of this."
      else
        raise error, "HTTP Code #{e.response.code}: #{e.response.body}"
        
      end

end