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128 lines (109 loc) · 3.73 KB
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<?php
// Autoload composer installed libraries
require __DIR__ . '/../vendor/autoload.php';
/**
* Function to retrieve persisted data for the example.
*
* @param string $key
*
* @return null|string|int
*/
function getValue(string $key)
{
$storage = json_decode(file_get_contents('storage.json'), true, 512, JSON_THROW_ON_ERROR);
if (array_key_exists($key, $storage)) {
return $storage[$key];
}
return null;
}
/**
* Function to persist some data for the example.
*
* @param string|int $value
*/
function setValue(string $key, $value)
{
$storage = json_decode(file_get_contents('storage.json'), true, 512, JSON_THROW_ON_ERROR);
$storage[$key] = $value;
file_put_contents('storage.json', json_encode($storage, JSON_THROW_ON_ERROR));
}
/**
* Function to authorize with Exact, this redirects to Exact login promt and retrieves authorization code
* to set up requests for oAuth tokens.
*/
function authorize()
{
$connection = new \Picqer\Financials\Exact\Connection();
$connection->setRedirectUrl('__REDIRECT_URL__');
$connection->setExactClientId('__CLIENT_ID__');
$connection->setExactClientSecret('__CLIENT_SECRET__');
$connection->redirectForAuthorization();
}
/**
* Callback function that sets values that expire and are refreshed by Connection.
*/
function tokenUpdateCallback(\Picqer\Financials\Exact\Connection $connection): void
{
// Save the new tokens for next connections
setValue('accesstoken', $connection->getAccessToken());
setValue('refreshtoken', $connection->getRefreshToken());
// Save expires time for next connections
setValue('expires_in', $connection->getTokenExpires());
}
/**
* Function to connect to Exact, this creates the client and automatically retrieves oAuth tokens if needed.
*
* @throws Exception
*/
function connect(): \Picqer\Financials\Exact\Connection
{
$connection = new \Picqer\Financials\Exact\Connection();
$connection->setRedirectUrl('__REDIRECT_URL__');
$connection->setExactClientId('__CLIENT_ID__');
$connection->setExactClientSecret('__CLIENT_SECRET__');
// Retrieves authorizationcode from database
if (getValue('authorizationcode')) {
$connection->setAuthorizationCode(getValue('authorizationcode'));
}
// Retrieves accesstoken from database
if (getValue('accesstoken')) {
$connection->setAccessToken(getValue('accesstoken'));
}
// Retrieves refreshtoken from database
if (getValue('refreshtoken')) {
$connection->setRefreshToken(getValue('refreshtoken'));
}
// Retrieves expires timestamp from database
if (getValue('expires_in')) {
$connection->setTokenExpires(getValue('expires_in'));
}
// Set callback to save newly generated tokens
$connection->setTokenUpdateCallback('tokenUpdateCallback');
// Make the client connect and exchange tokens
try {
$connection->connect();
} catch (\Exception $e) {
throw new Exception('Could not connect to Exact: ' . $e->getMessage());
}
return $connection;
}
// If authorization code is returned from Exact, save this to use for token request
if (isset($_GET['code']) && is_null(getValue('authorizationcode'))) {
setValue('authorizationcode', $_GET['code']);
}
// If we do not have an authorization code, authorize first to set up tokens
if (getValue('authorizationcode') === null) {
authorize();
}
// Create the Exact client
$connection = connect();
// Get the journals from our administration
try {
$journals = new \Picqer\Financials\Exact\Journal($connection);
$result = $journals->get();
foreach ($result as $journal) {
echo 'Journal: ' . $journal->Description . '<br>';
}
} catch (\Exception $e) {
echo get_class($e) . ' : ' . $e->getMessage();
}