Update FetchNodeinfoPipeline, use more efficient dispatch

app/Jobs/InstancePipeline/FetchNodeinfoPipeline.php

@@ -4,6 +4,7 @@ namespace App\Jobs\InstancePipeline;
 
 use Illuminate\Bus\Queueable;
 use Illuminate\Contracts\Queue\ShouldBeUnique;
+use Illuminate\Contracts\Queue\ShouldBeUniqueUntilProcessing;
 use Illuminate\Contracts\Queue\ShouldQueue;
 use Illuminate\Foundation\Bus\Dispatchable;
 use Illuminate\Queue\InteractsWithQueue;
@@ -12,8 +13,10 @@ use Illuminate\Support\Facades\Http;
 use App\Instance;
 use App\Profile;
 use App\Services\NodeinfoService;
+use Illuminate\Contracts\Cache\Repository;
+use Illuminate\Support\Facades\Cache;
 
-class FetchNodeinfoPipeline implements ShouldQueue
+class FetchNodeinfoPipeline implements ShouldQueue, ShouldBeUniqueUntilProcessing
 {
     use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;
 
@@ -29,6 +32,21 @@ class FetchNodeinfoPipeline implements ShouldQueue
         $this->instance = $instance;
     }
 
+    /**
+     * The number of seconds after which the job's unique lock will be released.
+     *
+     * @var int
+     */
+    public $uniqueFor = 14400;
+
+    /**
+     * Get the unique ID for the job.
+     */
+    public function uniqueId(): string
+    {
+        return $this->instance->id;
+    }
+
     /**
      * Execute the job.
      *
@@ -38,18 +56,27 @@ class FetchNodeinfoPipeline implements ShouldQueue
     {
         $instance = $this->instance;
 
+        if( $instance->nodeinfo_last_fetched &&
+            $instance->nodeinfo_last_fetched->gt(now()->subHours(12)) ||
+            $instance->delivery_timeout &&
+            $instance->delivery_next_after->gt(now())
+        ) {
+            return;
+        }
+
         $ni = NodeinfoService::get($instance->domain);
+        $instance->last_crawled_at = now();
         if($ni) {
             if(isset($ni['software']) && is_array($ni['software']) && isset($ni['software']['name'])) {
                 $software = $ni['software']['name'];
                 $instance->software = strtolower(strip_tags($software));
-				$instance->last_crawled_at = now();
                 $instance->user_count = Profile::whereDomain($instance->domain)->count();
+                $instance->nodeinfo_last_fetched = now();
                 $instance->save();
             }
         } else {
-			$instance->user_count = Profile::whereDomain($instance->domain)->count();
+            $instance->delivery_timeout = 1;
-			$instance->last_crawled_at = now();
+            $instance->delivery_next_after = now()->addHours(14);
             $instance->save();
         }
     }