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<?php
namespace Laravel\Telescope;
use Illuminate\Broadcasting\BroadcastEvent;
use Illuminate\Database\Eloquent\Collection;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Events\CallQueuedListener;
use Illuminate\Mail\SendQueuedMailable;
use Illuminate\Notifications\SendQueuedNotifications;
use ReflectionClass;
use stdClass;
class ExtractTags
{
/**
* Get the tags for the given object.
*
* @param mixed $target
* @return array
*/
public static function from($target)
{
if ($tags = static::explicitTags([$target])) {
return $tags;
}
return static::modelsFor([$target])->map(function ($model) {
return FormatModel::given($model);
})->all();
}
/**
* Determine the tags for the given job.
*
* @param mixed $job
* @return array
*/
public static function fromJob($job)
{
if ($tags = static::extractExplicitTags($job)) {
return $tags;
}
return static::modelsFor(static::targetsFor($job))->map(function ($model) {
return FormatModel::given($model);
})->all();
}
/**
* Determine the tags for the given array.
*
* @param array $data
* @return array
*/
public static function fromArray(array $data)
{
return collect($data)->map(function ($value) {
return static::resolveValue($value);
})->collapse()->filter()->map(function ($model) {
return FormatModel::given($model);
})->all();
}
/**
* Extract tags from job object.
*
* @param mixed $job
* @return array
*/
protected static function extractExplicitTags($job)
{
return $job instanceof CallQueuedListener
? static::tagsForListener($job)
: static::explicitTags(static::targetsFor($job));
}
/**
* Determine tags for the given queued listener.
*
* @param mixed $job
* @return array
*/
protected static function tagsForListener($job)
{
return collect(
[static::extractListener($job), static::extractEvent($job)]
)->map(function ($job) {
return static::from($job);
})->collapse()->unique()->toArray();
}
/**
* Determine tags for the given job.
*
* @param array $targets
* @return array
*/
protected static function explicitTags(array $targets)
{
return collect($targets)->map(function ($target) {
return method_exists($target, 'tags') ? $target->tags() : [];
})->collapse()->unique()->all();
}
/**
* Get the actual target for the given job.
*
* @param mixed $job
* @return array
*/
protected static function targetsFor($job)
{
switch (true) {
case $job instanceof BroadcastEvent:
return [$job->event];
case $job instanceof CallQueuedListener:
return [static::extractEvent($job)];
case $job instanceof SendQueuedMailable:
return [$job->mailable];
case $job instanceof SendQueuedNotifications:
return [$job->notification];
default:
return [$job];
}
}
/**
* Get the models from the given object.
*
* @param array $targets
* @return \Illuminate\Support\Collection
*/
protected static function modelsFor(array $targets)
{
return collect($targets)->map(function ($target) {
return collect((new ReflectionClass($target))->getProperties())->map(function ($property) use ($target) {
$property->setAccessible(true);
if (PHP_VERSION_ID < 70400 || ! is_object($target) || $property->isInitialized($target)) {
return static::resolveValue($property->getValue($target));
}
})->collapse()->filter();
})->collapse()->unique();
}
/**
* Extract the listener from a queued job.
*
* @param mixed $job
* @return mixed
*
* @throws \ReflectionException
*/
protected static function extractListener($job)
{
return (new ReflectionClass($job->class))->newInstanceWithoutConstructor();
}
/**
* Extract the event from a queued job.
*
* @param mixed $job
* @return mixed
*/
protected static function extractEvent($job)
{
return isset($job->data[0]) && is_object($job->data[0])
? $job->data[0]
: new stdClass;
}
/**
* Resolve the given value.
*
* @param mixed $value
* @return \Illuminate\Support\Collection|null
*/
protected static function resolveValue($value)
{
switch (true) {
case $value instanceof Model:
return collect([$value]);
case $value instanceof Collection:
return $value->flatten();
}
}
}