/**
* @param callable $callback Callback function to execute. This function may return a Generator written as a
* coroutine or return an Awaitable. If the the awaitable or coroutine is rejected, the rejection reason will
* be thrown from this function.
* @param mixed ...$args Arguments given to the provided callback function.
*
* @return bool Returns true if the loop was stopped and events still remain in the loop, false if the loop ran to
* completion (that is, the loop ran until no events remained).
*/
function execute(callable $callback, ...$args) : bool
{
return Loop\run(function () use($callback, $args) {
$result = $callback(...$args);
if ($result instanceof \Generator) {
$result = new Coroutine($result);
} else {
$result = Awaitable\resolve($result);
}
$result->done();
});
}
* @return Generator
* @throws \Steelbot\TelegramBotApi\Exception\TelegramBotApiException
*/
function botCoroutine() : \Generator
{
$api = new Api(getenv('BOT_TOKEN'));
$updateId = 1;
printf("Waiting for updates ...\n");
while (true) {
// waiting for updates from telegram server
/** @var Update[] $updates */
$updates = (yield from $api->getUpdates($updateId));
foreach ($updates as $update) {
$method = processUpdate($update);
if (is_object($method)) {
yield from $api->execute($method);
}
$updateId = $update->updateId;
}
}
}
$coroutine = new Coroutine(botCoroutine());
$coroutine->done(null, function (\Throwable $exception) {
echo "Exception catched:\n";
echo " Code: {$exception->getCode()}\n";
echo " Message: {$exception->getMessage()}\n";
echo " File: {$exception->getFile()}\n";
echo " Line: {$exception->getLine()}\n";
});
Loop\run();
function testResolveToLastYieldPromise()
{
$ok = false;
$promise = new Promise();
coroutine(function () use($promise) {
(yield 'fail');
(yield $promise);
$hello = 'hi';
})->then(function ($value) use(&$ok) {
$ok = $value;
$this->fail($reason);
});
$promise->fulfill('omg it worked');
Loop\run();
$this->assertEquals('omg it worked', $ok);
}
function testRaceReject()
{
$promise1 = new Promise();
$promise2 = new Promise();
$finalValue = 0;
Promise\race([$promise1, $promise2])->then(function ($value) use(&$finalValue) {
$finalValue = $value;
}, function ($value) use(&$finalValue) {
$finalValue = $value;
});
$promise1->reject(1);
Loop\run();
$this->assertEquals(1, $finalValue);
$promise2->reject(2);
Loop\run();
$this->assertEquals(1, $finalValue);
}
