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