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Viewing / Editing File: Chapa.php

<?php

namespace Chapa\Chapa;

use Illuminate\Support\Facades\Http;
use Illuminate\Support\Facades\Log;

class Chapa
{

/**
     * Generates a unique reference
     * @param $transactionPrefix
     * @return string
     */

protected $secretKey;
    protected $baseUrl;

function __construct()
    {

$this->secretKey = env('CHAPA_SECRET_KEY');
        $this->baseUrl = 'https://api.chapa.co/v1';

}

public static function generateReference(string $transactionPrefix = NULL)
    {
        if ($transactionPrefix) {
            return $transactionPrefix . '_' . uniqid(time());
        }

return env('APP_NAME') . '_' . 'chapa_' . uniqid(time());
    }

/**
     * Create Subaccount.
     * @param array $data
     * @return array
     */
    public function createSubaccount(array $data)
    {
        $response = Http::withToken($this->secretKey)->post(
            $this->baseUrl . '/sub-accounts',
            $data
        )->json();

return $response;
    }

/**
     * Reaches out to Chapa to initialize a payment
     * @param $data
     * @return object
     */
    public function initializePayment(array $data)
    {

$payment = Http::withToken($this->secretKey)->post(
            $this->baseUrl . '/transaction/initialize',
            $data
        )->json();

return $payment;
    }

/**
     * Gets a transaction ID depending on the redirect structure
     * @return string
     */
    public function getTransactionIDFromCallback()
    {
        $transactionID = request()->trx_ref;

if (!$transactionID) {
            $transactionID = json_decode(request()->resp)->data->id;
        }

return $transactionID;
    }

/**
     * Reaches out to Chapa to verify a transaction
     * @param $id
     * @return object
     */
    public function verifyTransaction($id)
    {
        $data = Http::withToken($this->secretKey)->get($this->baseUrl . "/transaction/" . 'verify/' . $id)->json();
        return $data;
    }
    /**
     * Reaches out to Chapa to create a transfer to a bank account or wallet
     * @param $data
     * @return object
     */

public function createTransfer(array $data)
    {
        $transfer = Http::withToken($this->secretKey)->post(
            $this->baseUrl . '/transfers',
            $data
        )->json();

return $transfer;
    }

/**
     * Reaches out to Chapa to verify a transfer
     * @param $id
     * @return object
     */
    public function verifyTransfer($id)
    {
        $data = Http::withToken($this->secretKey)->get($this->baseUrl . "/transfers/" . 'verify/' . $id)->json();
        return $data;
    }

/**
     * Validate incoming webhook event is from Chapa.
     *
     * @param $request
     * @return boolean
     */
    public function validateWebhook($request)
    {
        $signature = $request->header('x-chapa-signature');
        $expectedSignature = hash_hmac('sha256', $request->getContent(), env('CHAPA_WEBHOOK_SECRET'));

if ($signature !== $expectedSignature) {
            return false;
        }
        return true;
    }

/**
     * Initiates a bulk transfer.
     * @param array $data
     * @return array
     */
    public function bulkTransfer(array $data)
    {
        $response = Http::withToken($this->secretKey)->post(
            $this->baseUrl . '/bulk-transfers',
            $data
        )->json();

return $response;
    }

/**
     * Gets a list of banks
     * 
     * @return array
     */
    public function getBanks()
    {
        // Send a GET request to Chapa's /v1/banks endpoint
        $response = Http::withToken($this->secretKey)
            ->get($this->baseUrl . "/banks")
            ->json();

// Return the response data
        return $response;
    }

}

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