Differential D976 Diff 2419 src/app/Traits/UserAliasesTrait.php

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				<?php

				namespace App\Traits;

				use App\UserAlias;
				use Illuminate\Support\Facades\Cache;

				trait UserAliasesTrait
				{
				/**
				* A helper to update user aliases list.
				*
				* Example Usage:
				*
				* ```php
				* $user = User::firstOrCreate(['email' => 'some@other.erg']);
				* $user->setAliases(['alias1@other.org', 'alias2@other.org']);
				* ```
				*
				* @param array $aliases An array of email addresses
				*
				* @return void
				*/
				public function setAliases(array $aliases): void
				{
				$existing_aliases = $this->aliases()->get()->map(function ($alias) {
				return $alias->alias;
				})->toArray();

				$aliases = array_map('strtolower', $aliases);
				$aliases = array_unique($aliases);

				foreach (array_diff($aliases, $existing_aliases) as $alias) {
				$this->aliases()->create(['alias' => $alias]);
				}

				foreach (array_diff($existing_aliases, $aliases) as $alias) {
				$this->aliases()->where('alias', $alias)->delete();
				}
				}
				}