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SettingsTrait.php
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SettingsTrait.php
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<?php
namespace App\Traits;
use Illuminate\Support\Facades\Cache;
trait SettingsTrait
{
/**
* Obtain the value for a setting.
*
* Example Usage:
*
* ```php
* $user = User::firstOrCreate(['email' => 'some@other.erg']);
* $locale = $user->getSetting('locale');
* ```
*
* @param string $key Setting name
*
* @return string|null Setting value
*/
public function getSetting(string $key)
{
$settings = $this->getCache();
if (!array_key_exists($key, $settings)) {
return null;
}
$value = $settings[$key];
return empty($value) ? null : $value;
}
/**
* Remove a setting.
*
* Example Usage:
*
* ```php
* $user = User::firstOrCreate(['email' => 'some@other.erg']);
* $user->removeSetting('locale');
* ```
*
* @param string $key Setting name
*
* @return void
*/
public function removeSetting(string $key): void
{
$this->setSetting($key, null);
}
/**
* Create or update a setting.
*
* Example Usage:
*
* ```php
* $user = User::firstOrCreate(['email' => 'some@other.erg']);
* $user->setSetting('locale', 'en');
* ```
*
* @param string $key Setting name
* @param string|null $value The new value for the setting.
*
* @return void
*/
public function setSetting(string $key, $value): void
{
$this->storeSetting($key, $value);
$this->setCache();
}
/**
* Create or update multiple settings in one fell swoop.
*
* Example Usage:
*
* ```php
* $user = User::firstOrCreate(['email' => 'some@other.erg']);
* $user->setSettings(['locale', 'en', 'country' => 'GB']);
* ```
*
* @param array $data An associative array of key value pairs.
*
* @return void
*/
public function setSettings(array $data = []): void
{
foreach ($data as $key => $value) {
$this->storeSetting($key, $value);
}
$this->setCache();
}
private function storeSetting(string $key, $value): void
{
if ($value === null || $value === '') {
// Note: We're selecting the record first, so observers can act
if ($setting = $this->settings()->where('key', $key)->first()) {
$setting->delete();
}
} else {
$this->settings()->updateOrCreate(
['key' => $key],
['value' => $value]
);
}
}
private function getCache()
{
$model = \strtolower(get_class($this));
if (Cache::has("{$model}_settings_{$this->id}")) {
return Cache::get("{$model}_settings_{$this->id}");
}
return $this->setCache();
}
private function setCache()
{
$model = \strtolower(get_class($this));
if (Cache::has("{$model}_settings_{$this->id}")) {
Cache::forget("{$model}_settings_{$this->id}");
}
$cached = [];
foreach ($this->settings()->get() as $entry) {
if ($entry->value !== null && $entry->value !== '') {
$cached[$entry->key] = $entry->value;
}
}
Cache::forever("{$model}_settings_{$this->id}", $cached);
return $this->getCache();
}
}

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