added following and followers route

app/Http/Controllers/AP/APActorController.php

@@ -2,11 +2,14 @@
 
 namespace App\Http\Controllers\AP;
 
-use App\Http\Controllers\Controller;
-use Illuminate\Http\Request;
-
 use App\Models\User;
 use App\Models\Actor;
+use App\Models\Activity;
+
+use Illuminate\Http\Request;
+use App\Http\Controllers\Controller;
+
+use App\Types\TypeOrderedCollection;
 
 class APActorController extends Controller
 {
@@ -16,4 +19,38 @@ class APActorController extends Controller
         $response = Actor::build_response ($actor->first ());
         return response ()->json ($response)->header ("Content-Type", "application/activity+json");
     }
+
+    public function followers (User $user)
+    {
+        $actor_id = '"' . str_replace ("/", "\/", $user->actor->actor_id) . '"';
+        $followers = Activity::where ("type", "Follow")->where ("object", $actor_id);
+        $ordered_collection = new TypeOrderedCollection ();
+        $ordered_collection->collection = $followers->get ()->pluck ("actor")->toArray ();
+        $ordered_collection->url = route ("ap.followers", $user->name);
+        $ordered_collection->page_size = 10;
+
+        if (request ()->has ("page")) {
+            $page = request ()->input ("page");
+            return response ()->json ($ordered_collection->build_response_for_page ($page))->header ("Content-Type", "application/activity+json");
+        }
+
+        return response ()->json ($ordered_collection->build_response_main ())->header ("Content-Type", "application/activity+json");
+    }
+
+    public function following (User $user)
+    {
+        $actor_id = '"' . str_replace ("/", "\/", $user->actor->actor_id) . '"';
+        $following = Activity::where ("type", "Follow")->where ("actor", $actor_id);
+        $ordered_collection = new TypeOrderedCollection ();
+        $ordered_collection->collection = $following->get ()->pluck ("object")->toArray ();
+        $ordered_collection->url = route ("ap.following", $user->name);
+        $ordered_collection->page_size = 10;
+
+        if (request ()->has ("page")) {
+            $page = request ()->input ("page");
+            return response ()->json ($ordered_collection->build_response_for_page ($page))->header ("Content-Type", "application/activity+json");
+        }
+
+        return response ()->json ($ordered_collection->build_response_main ())->header ("Content-Type", "application/activity+json");
+    }
 }

app/Models/User.php

@@ -72,4 +72,14 @@ class User extends Authenticatable
     {
         return $this->hasOne (Actor::class);
     }
+
+    public function mutual_friends ()
+    {
+        $actor_id = '"' . str_replace ("/", "\/", $this->actor->actor_id) . '"';
+
+        $followers = Activity::where ("type", "Follow")->where ("object", $actor_id)->get ();
+        $following = Activity::where ("type", "Follow")->where ("actor", $actor_id)->get ();
+
+        return $followers->intersect ($following);
+    }
 }

app/Types/TypeOrderedCollection.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace App\Types;
+
+class TypeOrderedCollection {
+    public $collection;
+    public $url;
+    public $page_size;
+
+    public function build_response_main ()
+    {
+        if (!isset ($this->collection) || !isset ($this->url)) {
+            return [];
+        }
+
+        $total_items = count ($this->collection);
+        $total_pages = ceil ($total_items / $this->page_size);
+
+        return [
+            "@context" => "https://www.w3.org/ns/activitystreams",
+            "id" => $this->url,
+            "type" => "OrderedCollection",
+            "totalItems" => $total_items,
+            "first" => $this->url . "?page=1",
+            "last" => $this->url . "?page=" . $total_pages,
+        ];
+    }
+
+    public function build_response_for_page ($page)
+    {
+        $total_items = count ($this->collection);
+        $total_pages = ceil ($total_items / $this->page_size);
+        if ($page > $total_pages) {
+            return [];
+        }
+
+        $offset = ($page - 1) * $this->page_size;
+        $items = array_slice ($this->collection, $offset, $this->page_size);
+
+        return [
+            "@context" => "https://www.w3.org/ns/activitystreams",
+            "id" => $this->url . "?page=" . $page,
+            "type" => "OrderedCollectionPage",
+            "partOf" => $this->url,
+            "totalItems" => $total_items,
+            "orderedItems" => $items,
+        ];
+    }
+}

resources/views/home_loggedin.blade.php

@@ -78,7 +78,7 @@
                                 <p>
                                     Your Friends:
                                     <br>
-                                    <span class="count">{{ auth ()->user ()->friends }}</span>
+                                    <span class="count">{{ count (auth ()->user ()->mutual_friends ()) }}</span>
                                 </p>
                             </div>
 

resources/views/users/profile.blade.php

@@ -217,7 +217,7 @@
 
                     <p>
                         <b>
-                            {{ $user->name }} has <span class="count">{{ $user->friends }}</span> friends.
+                            {{ $user->name }} has <span class="count">{{ count ($user->mutual_friends ()) }}</span> friends.
                         </b>
                     </p>
 

routes/api.php

@@ -15,6 +15,8 @@ Route::get ("/.well-known/webfinger", [ APWebfingerController::class, "webfinger
 Route::prefix ("/ap/v1")->group (function () {
     Route::post ("/user/{user:name}/inbox", [ APInboxController::class, "inbox" ])->name ("ap.inbox");
     Route::post ("/user/{user:name}/outbox", [ APOutboxController::class, "outbox" ])->name ("ap.outbox");
+    Route::get ("/user/{user:name}/followers", [ APActorController::class, "followers" ])->name ("ap.followers");
+    Route::get ("/user/{user:name}/following", [ APActorController::class, "following" ])->name ("ap.following");
     Route::get ("/user/{user:name}", [ APActorController::class, "user" ])->name ("ap.user");
 
     Route::post ("/inbox", [ APInstanceInboxController::class, "inbox" ])->name ("ap.inbox");