clrghouz/app/Providers/AppServiceProvider.php

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<?php
namespace App\Providers;
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use Illuminate\Database\Eloquent\Builder;
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use Illuminate\Support\ServiceProvider;
class AppServiceProvider extends ServiceProvider
{
/**
* Register any application services.
*
* @return void
*/
public function register()
{
//
}
/**
* Bootstrap any application services.
*
* @return void
*/
public function boot()
{
// When a query should return 1 object, or FAIL if it doesnt
Builder::macro('singleOrFail',function () {
$result = $this->get();
if (($x=$result->count()) == 1) {
return $result->first();
}
throw new \Exception(sprintf('Query brings back %d record(s) called for singleOrFail()',$x));
});
// When a query should return 1 object, or NULL if it doesnt
Builder::macro('single',function () {
$result = $this->get();
if ($result->count() == 1) {
return $result->first();
}
return NULL;
});
}
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}