pixelfed/app/Http/Controllers/AccountController.php

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<?php
namespace App\Http\Controllers;
use Illuminate\Http\Request;
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use Auth, Cache, Redis;
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use App\{Notification, Profile, User};
class AccountController extends Controller
{
public function __construct()
{
$this->middleware('auth');
}
public function notifications(Request $request)
{
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$profile = Auth::user()->profile;
$notifications = $this->fetchNotifications($profile->id);
return view('account.activity', compact('profile', 'notifications'));
}
public function fetchNotifications($id)
{
$key = config('cache.prefix') . ":user.{$id}.notifications";
$redis = Redis::connection();
$notifications = $redis->lrange($key, 0, 30);
if(empty($notifications)) {
$notifications = Notification::whereProfileId($id)
->orderBy('id','desc')->take(30)->get();
} else {
$notifications = $this->hydrateNotifications($notifications);
}
return $notifications;
}
public function hydrateNotifications($keys)
{
$prefix = 'notification.';
$notifications = [];
foreach($keys as $key) {
$notifications[] = Cache::get($prefix . $key);
}
return $notifications;
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}
}