ravkavsdkgo

README

ravkav-sdk-go

Overview

The most simple ravkav card reader implemented in golang

Download

To download this package, run:

go get github.com/derkinderfietsen/ravkav-sdk-go

Example

package main

import (
    "fmt"
    ravkavSdk "github.com/derkinderfietsen/ravkav-sdk-go"
)

func main() {
    ravkavReader := ravkavSdk.NewReader()
    availableReaders, err := ravkavReader.ListReaders()
    if err != nil {
    	panic("can't find available card readers")
    }
    err = ravkavReader.Connect(availableReaders[0]) // Connect to first available reader
    if err != nil {
    	panic("error when trying to connect to reader")
    }
    
    defer func() {
    	if ravkavReader.Disconnect() != nil {
    		panic("error when trying to disconnect from reader")
    	}
    }()
    
    c := ravkavSdk.NewCard(ravkavReader) // Get new card instance
    err = c.Populate()                  // Populate the card instance with physical card records
    if err != nil {
    	panic(err)
    }
    err = c.Normalize() // Normalize card records to human readable format
    if err != nil {
    	panic(err)
    }
    jsonOutput, err := c.Output().JSON() // Get JSON string representation of the card
    if err != nil {
    	panic("error getting card output")
    }
    fmt.Println(jsonOutput)
}

License

This work is published under the MIT license.

Please see the LICENSE file for details.

Documentation

Index

• func NewCard(reader contracts.Reader) contracts.Card
• func NewReader() contracts.Reader

Functions

func NewCard

func NewCard(reader contracts.Reader) contracts.Card

NewCard creates a new card instance, it receives a reader instance for flexibility purposes and for tests.

func NewReader

func NewReader() contracts.Reader

NewReader creates a new reader instance used for connecting to the card and transmit commands for getting card's content.