CouponCode

v0.1.3

CouponCode v0.1.3 CouponCode View Source

This module implements a coupon generating algorithm described here. With inspiration from the ruby version.

Link to this section Summary

Functions

generate(options \\ [parts: 3])

Generates a coupon code with the specified number of parts

validate(text, num_parts \\ 3)

Validates a coupon code with the specified number of parts

Link to this section Functions

Link to this function

generate(options \\ [parts: 3]) View Source 
generate([...]) :: String.t()

Generates a coupon code with the specified number of parts.

Examples 

iex> #Seeding data so that example works
iex> :rand.seed(:exsplus, {101, 102, 103})
iex> CouponCode.generate()
"ALCB-J7Q6-15UB"
iex> CouponCode.generate([parts: 5])
"T59C-WMAD-KFEM-XQX2-NY4K"
Link to this function

validate(text, num_parts \\ 3) View Source 
validate(String.t(), Integer.t()) :: {:ok, String.t()} | {:error, String.t()}

Validates a coupon code with the specified number of parts.

Examples 

iex> CouponCode.validate("TPV1-EHPN-ZVKT")
{:ok, "TPV1-EHPN-2VKT"}