Interests

src/Controller/ForumController.php

@@ -4,7 +4,10 @@ declare(strict_types=1);
 
 namespace App\Controller;
 
+use App\Entity\User;
+use App\Service\NostrClient;
 use App\Util\ForumTopics;
+use App\Util\NostrKeyUtil;
 use Elastica\Aggregation\Filters as FiltersAgg;
 use Elastica\Query;
 use Elastica\Query\BoolQuery;
@@ -25,7 +28,8 @@ class ForumController extends AbstractController
     public function index(
         #[Autowire(service: 'fos_elastica.index.articles')] \Elastica\Index $index,
         CacheInterface $cache,
-        Request $request
+        Request $request,
+        NostrClient $nostrClient
     ): Response {
         // Optional: small cache so we don’t hammer ES on every page view
         //$categoriesWithCounts = $cache->get('forum.index.counts.v2', function (ItemInterface $item) use ($index) {
@@ -36,8 +40,40 @@ class ForumController extends AbstractController
         //    return $this->hydrateCategoryCounts(self::TOPICS, $counts);
         //});
         $categoriesWithCounts = $this->hydrateCategoryCounts(ForumTopics::TOPICS, $counts);
+
+        $userInterests = null;
+        /** @var User $user */
+        $user = $this->getUser();
+        if (!!$user) {
+            try {
+                $pubkey = NostrKeyUtil::npubToHex($user->getNpub());
+                $interests = $nostrClient->getUserInterests($pubkey);
+                if (!empty($interests)) {
+                    $userInterests = $this->hydrateCategoryCounts(ForumTopics::TOPICS, $counts);
+                    // Filter to only include subcategories that have tags in interests
+                    foreach ($userInterests as $catKey => $cat) {
+                        $subs = [];
+                        foreach ($cat['subcategories'] as $subKey => $sub) {
+                            $subTags = array_map('strtolower', $sub['tags']);
+                            if (array_intersect($subTags, $interests)) {
+                                $subs[$subKey] = $sub;
+                            }
+                        }
+                        if (!empty($subs)) {
+                            $userInterests[$catKey]['subcategories'] = $subs;
+                        } else {
+                            unset($userInterests[$catKey]);
+                        }
+                    }
+                }
+            } catch (\Exception $e) {
+                // Ignore errors, just don't show user interests
+            }
+        }
+
         return $this->render('forum/index.html.twig', [
             'topics' => $categoriesWithCounts,
+            'userInterests' => $userInterests,
         ]);
     }
 

src/Enum/KindsEnum.php

@@ -11,6 +11,7 @@ enum KindsEnum: int
     case REPOST = 6; // Only wraps kind 1, NIP-18, will not implement
     case GENERIC_REPOST = 16; // Generic repost, original kind signalled in a "k" tag, NIP-18
     case FILE_METADATA = 1063; // NIP-94
+    case INTERESTS = 10015; // NIP-51
     case COMMENTS = 1111;
     case HTTP_AUTH = 27235; // NIP-98, HTTP Auth
     case CURATION_SET = 30004; // NIP-51

src/Service/NostrClient.php

@@ -1072,4 +1072,38 @@ class NostrClient
             return null;
         }
     }
+
+    /**
+     * Fetch the latest interest list (kind 10015) for a pubkey and return the 't' tags.
+     */
+    public function getUserInterests(string $pubkey): array
+    {
+        $request = $this->createNostrRequest(
+            kinds: [10015],
+            filters: ['authors' => [$pubkey]],
+            relaySet: $this->defaultRelaySet
+        );
+
+        $events = $this->processResponse($request->send(), function($received) use ($pubkey) {
+            $this->logger->info('Getting interests for pubkey', ['pubkey' => $pubkey, 'item' => $received]);
+            return $received;
+        });
+
+        if (empty($events)) {
+            return [];
+        }
+
+        // Sort by created_at descending and take the latest
+        usort($events, fn($a, $b) => $b->created_at <=> $a->created_at);
+        $latest = $events[0];
+
+        $tTags = [];
+        foreach ($latest->tags as $tag) {
+            if (is_array($tag) && isset($tag[0]) && $tag[0] === 't' && isset($tag[1])) {
+                $tTags[] = strtolower(trim($tag[1]));
+            }
+        }
+
+        return $tTags;
+    }
 }

templates/event/index.html.twig

@@ -172,6 +172,10 @@
         {% endif %}
 
     </div>
+
+    <pre>
+        {{ event|json_encode(constant('JSON_PRETTY_PRINT')) }}
+    </pre>
 </div>
 {% endblock %}
 

templates/forum/index.html.twig

@@ -3,6 +3,31 @@
 {% block body %}
     <twig:Atoms:PageHeading heading="Topics" tagline="Explore your interests"/>
 
+{% if userInterests %}
+    <section class="d-flex gap-3 center ln-section--newsstand">
+        <div class="container mt-5 mb-5">
+            <h2>Your Interests</h2>
+        </div>
+    </section>
+<div class="subcategories-grid">
+    {% for catKey, category in userInterests %}
+        {% for subKey, sub in category.subcategories %}
+            <div class="sub-card">
+                <h3><a href="{{ path('forum_topic', {'key': catKey ~ '-' ~ subKey}) }}">{{ sub.name }}</a></h3>
+                <div class="d-flex flex-row">
+                    <div class="tags m-0">
+                        {% for tag in sub.tags %}
+                            <a class="tag" href="{{ path('forum_tag', {'tag': tag}) }}">{{ tag }}</a>
+                        {% endfor %}
+                    </div>
+                    <div class="count">{{ sub.count|default(0) }}</div>
+                </div>
+            </div>
+        {% endfor %}
+    {% endfor %}
+</div>
+{% endif %}
+
 {% for catKey, category in topics %}
     <section class="d-flex gap-3 center ln-section--newsstand">
         <div class="container mt-5 mb-5">