Fix notifications not being delivered by directly checking the state from the database

app/Console/Commands/PushGatewayRefresh.php

@@ -51,8 +51,6 @@ class PushGatewayRefresh extends Command
                 $recheck = NotificationAppGatewayService::forceSupportRecheck();
                 if ($recheck) {
                     $this->info('Success! Push Notifications are now active!');
-                    PushNotificationService::warmList('like');
-
                     return;
                 } else {
                     $this->error('Error, please ensure you have a valid API key.');

app/Http/Controllers/Api/ApiV1Dot1Controller.php

@@ -1058,8 +1058,6 @@ class ApiV1Dot1Controller extends Controller
             'notify_comment' => false,
         ]);
 
-        PushNotificationService::removeMemberFromAll($request->user()->profile_id);
-
         $user = $request->user();
 
         return $this->json([
@@ -1145,31 +1143,15 @@ class ApiV1Dot1Controller extends Controller
 
         if ($request->filled('notify_like')) {
             $request->user()->update(['notify_like' => (bool) $request->boolean('notify_like')]);
-            $request->boolean('notify_like') == true ?
-                PushNotificationService::set('like', $pid) :
-                PushNotificationService::removeMember('like', $pid);
         }
         if ($request->filled('notify_follow')) {
             $request->user()->update(['notify_follow' => (bool) $request->boolean('notify_follow')]);
-            $request->boolean('notify_follow') == true ?
-                PushNotificationService::set('follow', $pid) :
-                PushNotificationService::removeMember('follow', $pid);
         }
         if ($request->filled('notify_mention')) {
             $request->user()->update(['notify_mention' => (bool) $request->boolean('notify_mention')]);
-            $request->boolean('notify_mention') == true ?
-                PushNotificationService::set('mention', $pid) :
-                PushNotificationService::removeMember('mention', $pid);
         }
         if ($request->filled('notify_comment')) {
             $request->user()->update(['notify_comment' => (bool) $request->boolean('notify_comment')]);
-            $request->boolean('notify_comment') == true ?
-                PushNotificationService::set('comment', $pid) :
-                PushNotificationService::removeMember('comment', $pid);
-        }
-
-        if ($request->boolean('notify_enabled') == false) {
-            PushNotificationService::removeMemberFromAll($request->user()->profile_id);
         }
 
         $user = $request->user();

app/Services/PushNotificationService.php

@@ -3,121 +3,15 @@
 namespace App\Services;
 
 use App\User;
-use Exception;
-use Illuminate\Support\Facades\Cache;
-use Illuminate\Support\Facades\Redis;
-use Log;
 
-class PushNotificationService
-{
-    public const ACTIVE_LIST_KEY = 'pf:services:push-notify:active_deliver:';
+class PushNotificationService {
 
     public const NOTIFY_TYPES = ['follow', 'like', 'mention', 'comment'];
 
-    public const DEEP_CHECK_KEY = 'pf:services:push-notify:deep-check:';
-
     public const PUSH_GATEWAY_VERSION = '1.0';
 
-    public const LOTTERY_ODDS = 20;
-
-    public const CACHE_LOCK_SECONDS = 10;
-
-    public static function get($list)
-    {
-        return Redis::smembers(self::ACTIVE_LIST_KEY.$list);
-    }
-
-    public static function set($listId, $memberId)
-    {
-        if (! in_array($listId, self::NOTIFY_TYPES)) {
-            return false;
-        }
-        $user = User::whereProfileId($memberId)->first();
-        if (! $user || $user->status || $user->deleted_at) {
-            return false;
-        }
-
-        return Redis::sadd(self::ACTIVE_LIST_KEY.$listId, $memberId);
-    }
-
-    public static function check($listId, $memberId)
-    {
-        return random_int(1, self::LOTTERY_ODDS) === 1
-            ? self::isMemberDeepCheck($listId, $memberId)
-            : self::isMember($listId, $memberId);
-    }
-
-    public static function isMember($listId, $memberId)
-    {
-        try {
-            return Redis::sismember(self::ACTIVE_LIST_KEY.$listId, $memberId);
-        } catch (Exception $e) {
-            return false;
-        }
-    }
-
-    public static function isMemberDeepCheck($listId, $memberId)
-    {
-        $lock = Cache::lock(self::DEEP_CHECK_KEY.$listId, self::CACHE_LOCK_SECONDS);
-
-        try {
-            $lock->block(5);
-            $actualCount = User::whereNull('status')->where('notify_enabled', true)->where('notify_'.$listId, true)->count();
-            $cachedCount = self::count($listId);
-            if ($actualCount != $cachedCount) {
-                self::warmList($listId);
-                $user = User::where('notify_enabled', true)->where('profile_id', $memberId)->first();
-
-                return $user ? (bool) $user->{"notify_{$listId}"} : false;
-            } else {
-                return self::isMember($listId, $memberId);
-            }
-        } catch (Exception $e) {
-            Log::error('Failed during deep membership check: '.$e->getMessage());
-
-            return false;
-        } finally {
-            optional($lock)->release();
-        }
-    }
-
-    public static function removeMember($listId, $memberId)
-    {
-        return Redis::srem(self::ACTIVE_LIST_KEY.$listId, $memberId);
-    }
-
-    public static function removeMemberFromAll($memberId)
-    {
-        foreach (self::NOTIFY_TYPES as $type) {
-            self::removeMember($type, $memberId);
-        }
-
-        return 1;
-    }
-
-    public static function count($listId)
-    {
-        if (! in_array($listId, self::NOTIFY_TYPES)) {
-            return false;
-        }
-
-        return Redis::scard(self::ACTIVE_LIST_KEY.$listId);
-    }
-
-    public static function warmList($listId)
-    {
-        if (! in_array($listId, self::NOTIFY_TYPES)) {
-            return false;
-        }
-        $key = self::ACTIVE_LIST_KEY.$listId;
-        Redis::del($key);
-        foreach (User::where('notify_'.$listId, true)->cursor() as $acct) {
-            if ($acct->status || $acct->deleted_at || ! $acct->profile_id || ! $acct->notify_enabled) {
-                continue;
-            }
-            Redis::sadd($key, $acct->profile_id);
-        }
-
-        return self::count($listId);
+    public static function check($listId, $memberId) {
+        $user = User::where('notify_enabled', true)->where('profile_id', $memberId)->first();
+        return $user ? (bool) $user->{"notify_{$listId}"} : false;
     }
 }