From 01d5e84a0833467b09fbe5afcc3c7a960a7dc417 Mon Sep 17 00:00:00 2001
From: Phablulo <phablulo@gmail.com>
Date: Wed, 29 Dec 2021 13:50:29 -0300
Subject: [PATCH] [COMPONENT][ACTOR CIRCLE] mention self tag circle with
 @#self_tag

---
 components/Tag/Tag.php     |  8 +++--
 src/Entity/ActorCircle.php |  5 +++
 src/Routes/Main.php        |  4 +++
 src/Util/Formatting.php    | 63 +++++++++++++++++++++++---------------
 4 files changed, 52 insertions(+), 28 deletions(-)

diff --git a/components/Tag/Tag.php b/components/Tag/Tag.php
index 61ab27e276..51c5a87697 100644
--- a/components/Tag/Tag.php
+++ b/components/Tag/Tag.php
@@ -47,6 +47,7 @@ use Doctrine\ORM\QueryBuilder;
 use Functional as F;
 use Symfony\Component\Form\Extension\Core\Type\CheckboxType;
 use Symfony\Component\HttpFoundation\Request;
+use App\Util\Nickname;
 
 /**
  * Component responsible for extracting tags from posted notes, as well as normalizing them
@@ -57,9 +58,10 @@ use Symfony\Component\HttpFoundation\Request;
  */
 class Tag extends Component
 {
-    public const MAX_TAG_LENGTH = 64;
-    public const TAG_REGEX      = '/(^|\\s)(#[\\pL\\pN_\\-]{1,64})/u'; // Brion Vibber 2011-02-23 v2:classes/Notice.php:367 function saveTags
-    public const TAG_SLUG_REGEX = '[A-Za-z0-9]{1,64}';
+    public const MAX_TAG_LENGTH    = 64;
+    public const TAG_REGEX         = '/(^|\\s)(#[\\pL\\pN_\\-]{1,64})/u'; // Brion Vibber 2011-02-23 v2:classes/Notice.php:367 function saveTags
+    public const TAG_CIRCLE_REGEX  = '/' . Nickname::BEFORE_MENTIONS . '@#([\pL\pN_\-\.]{1,64})/';
+    public const TAG_SLUG_REGEX    = '[A-Za-z0-9]{1,64}';
 
     public function onAddRoute($r): bool
     {
diff --git a/src/Entity/ActorCircle.php b/src/Entity/ActorCircle.php
index 4106812270..507db766d0 100644
--- a/src/Entity/ActorCircle.php
+++ b/src/Entity/ActorCircle.php
@@ -24,6 +24,7 @@ namespace App\Entity;
 use App\Core\Cache;
 use App\Core\DB\DB;
 use App\Core\Entity;
+use App\Core\Router\Router;
 use DateTimeInterface;
 
 /**
@@ -185,6 +186,10 @@ class ActorCircle extends Entity
         );
     }
 
+    public function getUrl(int $type = Router::ABSOLUTE_PATH): string {
+        return Router::url('actor_circle', ['actor_id' => $this->getTagger(), 'tag' => $this->getTag()]);
+    }
+
     public static function schemaDef(): array
     {
         return [
diff --git a/src/Routes/Main.php b/src/Routes/Main.php
index b455918131..c534e9d7c5 100644
--- a/src/Routes/Main.php
+++ b/src/Routes/Main.php
@@ -60,6 +60,10 @@ abstract class Main
         $r->connect('panel', '/panel', [C\AdminPanel::class, 'site']);
         $r->connect('panel_site', '/panel/site', [C\AdminPanel::class, 'site']);
 
+
+        // TODO: don't do
+        $r->connect('actor_circle', '/', RedirectController::class, ['defaults' => ['route' => 'feed_public']]);
+
         // FAQ static pages
         foreach (['faq', 'contact', 'tags', 'groups', 'openid'] as $s) {
             $r->connect('doc_' . $s, '/doc/' . $s, C\TemplateController::class, ['template' => 'doc/faq/' . $s . '.html.twig']);
diff --git a/src/Util/Formatting.php b/src/Util/Formatting.php
index d626e5524a..72db7b979c 100644
--- a/src/Util/Formatting.php
+++ b/src/Util/Formatting.php
@@ -39,9 +39,12 @@ use App\Entity\Note;
 use App\Util\Exception\NicknameException;
 use App\Util\Exception\ServerException;
 use Component\Group\Entity\LocalGroup;
+use Component\Tag\Tag;
 use Exception;
 use Functional as F;
 use InvalidArgumentException;
+use App\Core\DB\DB;
+use App\Entity\ActorCircle;
 
 abstract class Formatting
 {
@@ -327,33 +330,43 @@ abstract class Formatting
                 }
             }
 
+            @#/tag
             // TODO Tag subscriptions
             // @#tag => mention of all subscriptions tagged 'tag'
-            // $tag_matches = [];
-            // preg_match_all(
-            //     '/' . Nickname::BEFORE_MENTIONS . '@#([\pL\pN_\-\.]{1,64})/',
-            //     $text,
-            //     $tag_matches,
-            //     PREG_OFFSET_CAPTURE
-            // );
-            // foreach ($tag_matches[1] as $tag_match) {
-            //     $tag   = self::canonicalTag($tag_match[0]);
-            //     $plist = Profile_list::getByTaggerAndTag($actor->getID(), $tag);
-            //     if (!$plist instanceof Profile_list || $plist->private) {
-            //         continue;
-            //     }
-            //     $tagged = $actor->getTaggedSubscribers($tag);
-            //     $url = common_local_url(
-            //         'showprofiletag',
-            //         ['nickname' => $actor->getNickname(), 'tag' => $tag]
-            //     );
-            //     $mentions[] = ['mentioned' => $tagged,
-            //         'type'                 => 'list',
-            //         'text'                 => $tag_match[0],
-            //         'position'             => $tag_match[1],
-            //         'length'               => mb_strlen($tag_match[0]),
-            //         'url'                  => $url, ];
-            // }
+            $tag_matches = [];
+            preg_match_all(
+                Tag::TAG_CIRCLE_REGEX,
+                $text,
+                $tag_matches,
+                PREG_OFFSET_CAPTURE
+            );
+            foreach ($tag_matches[1] as $tag_match) {
+                $tag = Tag::ensureValid($tag_match[0]);
+                $ac  = DB::findOneBy(ActorCircle::class, [
+                    'or' => [
+                        'tagger' => $actor->getID(),
+                        'and' => [
+                            'tagger' => null,
+                            'tagged' => $actor->getID(),
+                        ]
+                    ],
+                    'tag' => $tag,
+                ], return_null: true);
+
+                if (\is_null($ac) || $ac->getPrivate()) {
+                    continue;
+                }
+                $tagged = $ac->getSubscribedActors();
+                $url    = $ac->getUrl();
+                $mentions[] = [
+                    'mentioned' => $tagged,
+                    'type'      => 'list',
+                    'text'      => $tag_match[0],
+                    'position'  => $tag_match[1],
+                    'length'    => mb_strlen($tag_match[0]),
+                    'url'       => $url,
+                ];
+            }
 
             // Group mentions
             $group_matches = self::findMentionsRaw($text, '!');