public function acfSelectOptions($group_name, $field_name)
{
$settings = get_posts(['name' => "acf_{$group_name}", 'post_type' => 'acf']);
if (!count($settings)) {
return [];
}
$field_meta = F\select(F\pluck(get_post_meta($settings[0]->ID), 0), function ($val, $key) use($field_name) {
return strpos($key, 'field_') === 0 && ($data = unserialize($val)) && $data['name'] === $field_name;
});
if (!count($field_meta)) {
return [];
}
$data = unserialize(reset($field_meta));
return $data['choices'];
}
/**
* Gets a list of all the published events
*
* @ApiDoc(
* resource = true,
* description = "Gets a list of all the published events, optionally filtered by a given date",
* filters = {
* {"name" = "since", "dataType" = "integer"},
* {"name" = "page", "dataType" = "integer"},
* {"name" = "limit", "dataType" = "integer"},
* },
* output = "Hateoas\Representation\CollectionRepresentation",
* statusCodes = {
* 200 = "Returned along with the list of published events"
* }
* )
*/
public function getEventsAction(Request $request)
{
$page = $request->query->get('page', 1);
$limit = $request->query->get('limit', (int) $this->getParameter('events_pagination_limit'));
$pager = $this->get('published_events_pager');
$pager->setCurrentPage($page);
$pager->setMaxPerPage($limit);
if ($request->query->has('since')) {
$since = $request->query->get('since');
$events = select(map($this->get('snc_redis.default')->lrange($this->getParameter('published_events_key'), 0, -1), new DeserializationCallable($this->get('jms_serializer'))), function ($event) use($since) {
return (int) $event['created_on'] >= (int) $since;
});
$pager = (new Pagerfanta(new ArrayAdapter($events)))->setCurrentPage($page)->setMaxPerPage($limit);
}
return (new PagerfantaFactory())->createRepresentation($pager, new Route('get_events', [], true));
}
public function handle()
{
$this->info('Initializing Leader Selection...');
// Only do cron setup if environment is configured to use it (This way we don't accidentally run on workers)
if (getenv('USE_CRON') == 'true') {
//check to see if we are in an instance
$ch = curl_init('http://169.254.169.254/latest/meta-data/instance-id');
//magic ip from AWS
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 1);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
if ($result = curl_exec($ch)) {
$this->info('Instance ID: ' . $result);
// Get this instance metadata so we can find the environment it's running in
$tags = $info = $this->ecClient->describeInstances(['Filters' => [['Name' => 'instance-id', 'Values' => [$result]]]])->get('Reservations')[0]['Instances'][0]['Tags'];
// Get environment name
$environmentName = F\first($tags, function ($tagArray) {
return $tagArray['Key'] == 'elasticbeanstalk:environment-name';
})['Value'];
$this->info('Environment: ' . $environmentName);
$this->info('Getting Instances with Environment: ' . $environmentName);
// Get instances that have this environment tagged
$info = $this->ecClient->describeInstances(['Filters' => [['Name' => 'tag-value', 'Values' => [$environmentName]]]]);
$instances = F\map($info->get('Reservations'), function ($i) {
return current($i['Instances']);
});
$this->info('Getting potential instances...');
// Only want instances that are running
$candidateInstances = F\select($instances, function ($instanceMeta) {
return $instanceMeta['State']['Code'] == 16;
});
$leader = false;
if (!empty($candidateInstances)) {
//there are instances running
if (count($candidateInstances) > 1) {
// if there is more than one we sort by launch time and get the oldest
$this->info('More than one instance running, finding the oldest...');
$oldestInstance = F\sort($candidateInstances, function ($left, $right) {
return $left['LaunchTime'] > $right['LaunchTime'];
})[0];
} else {
$this->info('Only one instance running...');
$oldestInstance = reset($candidateInstances);
}
if ($oldestInstance['InstanceId'] == $result) {
// if this instance is the oldest instance it's the leader
$leader = true;
}
} else {
$this->info('No candidate instances found. \'O Brave New World!');
$leader = true;
}
// No leader is running so we'll setup this one as the leader
// and create a cron entry to run the scheduler
if ($leader) {
$this->info('We are the Leader! Initiating Cron Setup');
$this->call('system:start:cron');
} else {
// Instance was found, don't do any cron stuff
$this->info('We are not a leader instance :( Maybe next time...');
$this->info('Leader should be running on Instance ' . $leader['InstanceId']);
}
$this->info('Leader Selection Done!');
} else {
// Probably be run from your local machine
$this->error('Did not detect an ec2 environment. Exiting.');
}
} else {
$this->info('USE_CRON env var not set. Exiting.');
}
}
// That returns a fib sequence under a certain number
$solution = reduce_left(select(new takeWhileFib(4000000), $isEven), function ($value, $index, $collection, $reduction) {
return $reduction + $value;
}, 0);
return $solution;
});
Route::get('problem3', function () {
//The prime factors of 13195 are 5, 7, 13 and 29.
//What is the largest prime factor of the number 600851475143 ?
// How can we do this in a functional way?
// Well Brute Force would be...
// max($number => getPrimeFactors)
$pf = function ($number) {
return select(new takeWhile($number), function ($n, $number) {
if ($n > 0) {
return $number % $n == 0;
}
return false;
});
};
// $answer = max($pf(30));
return $pf(10);
});
/*
|--------------------------------------------------------------------------
| Application Routes
|--------------------------------------------------------------------------
|
| This route group applies the "web" middleware group to every route
| it contains. The "web" middleware group is defined in your HTTP
| kernel and includes session state, CSRF protection, and more.
|
protected function acfImagesInfo($field_name, $post_id)
{
$acf_images = get_field($field_name, $post_id);
$html_id = $post_id ? "{$field_name}-{$post_id}" : $field_name;
$images = empty($acf_images) ? [] : F\map(F\select($acf_images, function ($acf_image) {
return strpos($acf_image['mime_type'], 'image') === 0;
}), array($this, 'getImageAttributesFromAcfImage'));
$first = count($images) ? $images[0] : NULL;
return compact('html_id', 'images', 'first');
}
/**
* @param callable $f
* @return array
*/
public function filter(\Closure $f)
{
return F\select($this->_data, $f);
}
