Use CommonMark plugin for @-mentions

app/CommonMark/Generators/ContactMentionGenerator.php

@@ -0,0 +1,17 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\CommonMark\Generators;
+
+use League\CommonMark\Extension\Mention\Generator\MentionGeneratorInterface;
+use League\CommonMark\Extension\Mention\Mention;
+use League\CommonMark\Node\Inline\AbstractInline;
+
+class ContactMentionGenerator implements MentionGeneratorInterface
+{
+    public function generateMention(Mention $mention): ?AbstractInline
+    {
+        return $mention;
+    }
+}

app/CommonMark/Renderers/ContactMentionRenderer.php

@@ -0,0 +1,24 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\CommonMark\Renderers;
+
+use App\Models\Contact;
+use League\CommonMark\Node\Node;
+use League\CommonMark\Renderer\ChildNodeRendererInterface;
+use League\CommonMark\Renderer\NodeRendererInterface;
+
+class ContactMentionRenderer implements NodeRendererInterface
+{
+    public function render(Node $node, ChildNodeRendererInterface $childRenderer): string
+    {
+        $contact = Contact::where('nick', $node->getIdentifier())->first();
+
+        if ($contact === null) {
+            return '<a href="https://twitter.com/' . $node->getIdentifier() . '">@' . $node->getIdentifier() . '</a>';
+        }
+
+        return trim(view('templates.mini-hcard', ['contact' => $contact])->render());
+    }
+}

app/Models/Contact.php

@@ -4,10 +4,9 @@ declare(strict_types=1);
 
 namespace App\Models;
 
-use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Casts\Attribute;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
-use Illuminate\Support\Carbon;
 
 class Contact extends Model
 {
@@ -26,4 +25,20 @@ class Contact extends Model
      * @var array
      */
     protected $fillable = ['nick', 'name', 'homepage', 'twitter', 'facebook'];
+
+    protected function photo(): Attribute
+    {
+        $photo = '/assets/profile-images/default-image';
+
+        if (array_key_exists('homepage', $this->attributes) && !empty($this->attributes['homepage'])) {
+            $host = parse_url($this->attributes['homepage'], PHP_URL_HOST);
+            if (file_exists(public_path() . '/assets/profile-images/' . $host . '/image')) {
+                $photo = '/assets/profile-images/' . $host . '/image';
+            }
+        }
+
+        return Attribute::make(
+            get: fn () => $photo,
+        );
+    }
 }

app/Models/Note.php

@@ -4,13 +4,14 @@ declare(strict_types=1);
 
 namespace App\Models;
 
+use App\CommonMark\Generators\ContactMentionGenerator;
+use App\CommonMark\Renderers\ContactMentionRenderer;
 use App\Exceptions\TwitterContentException;
-use Barryvdh\LaravelIdeHelper\Eloquent;
 use Codebird\Codebird;
 use Exception;
 use GuzzleHttp\Client;
-use Illuminate\Database\Eloquent\Relations\{BelongsTo, BelongsToMany, HasMany, MorphMany};
 use Illuminate\Database\Eloquent\{Builder, Factories\HasFactory, Model, SoftDeletes};
+use Illuminate\Database\Eloquent\Relations\{BelongsTo, BelongsToMany, HasMany, MorphMany};
 use Illuminate\Support\Facades\Cache;
 use JetBrains\PhpStorm\ArrayShape;
 use Jonnybarnes\IndieWeb\Numbers;
@@ -19,6 +20,8 @@ use League\CommonMark\Extension\Autolink\AutolinkExtension;
 use League\CommonMark\Extension\CommonMark\CommonMarkCoreExtension;
 use League\CommonMark\Extension\CommonMark\Node\Block\FencedCode;
 use League\CommonMark\Extension\CommonMark\Node\Block\IndentedCode;
+use League\CommonMark\Extension\Mention\Mention;
+use League\CommonMark\Extension\Mention\MentionExtension;
 use League\CommonMark\MarkdownConverter;
 use Normalizer;
 use Spatie\CommonMarkHighlighter\{FencedCodeRenderer, IndentedCodeRenderer};
@@ -172,8 +175,7 @@ class Note extends Model
             return null;
         }
 
-        $hcards = $this->makeHCards($value);
-        $hashtags = $this->autoLinkHashtag($hcards);
+        $hashtags = $this->autoLinkHashtag($value);
 
         return $this->convertMarkdown($hashtags);
     }
@@ -377,9 +379,11 @@ class Note extends Model
      */
     public function getTwitterContentAttribute(): string
     {
+        $this->getContacts();
+
         // check for contacts
         if ($this->contacts === null || count($this->contacts) === 0) {
-            throw new TwitterContentException('There are no contacts for this note');
+            return '';
         }
 
         // here we check the matched contact from the note corresponds to a contact
@@ -388,10 +392,10 @@ class Note extends Model
             count(array_unique(array_values($this->contacts))) === 1
             && array_unique(array_values($this->contacts))[0] === null
         ) {
-            throw new TwitterContentException('The matched contact is not in the database');
+            return '';
         }
 
-        // swap in twitter usernames
+        // swap in Twitter usernames
         $swapped = preg_replace_callback(
             self::USERNAMES_REGEX,
             function ($matches) {
@@ -406,7 +410,7 @@ class Note extends Model
 
                 return $contact->name;
             },
-            $this->getOriginal('note')
+            $this->getRawOriginal('note')
         );
 
         return $this->convertMarkdown($swapped);
@@ -527,9 +531,21 @@ class Note extends Model
      */
     private function convertMarkdown(string $note): string
     {
-        $environment = new Environment();
+        $config = [
+            'mentions' => [
+                'contacts_handle' => [
+                    'prefix'    => '@',
+                    'pattern'   => '[a-z\d](?:[a-z\d]|-(?=[a-z\d])){0,38}(?!\w)',
+                    'generator' => new ContactMentionGenerator(),
+                ],
+            ],
+        ];
+
+        $environment = new Environment($config);
         $environment->addExtension(new CommonMarkCoreExtension());
         $environment->addExtension(new AutolinkExtension());
+        $environment->addExtension(new MentionExtension());
+        $environment->addRenderer(Mention::class, new ContactMentionRenderer());
         $environment->addRenderer(FencedCode::class, new FencedCodeRenderer());
         $environment->addRenderer(IndentedCode::class, new IndentedCodeRenderer());
         $markdownConverter = new MarkdownConverter($environment);

resources/views/templates/note.blade.php

@@ -15,11 +15,11 @@
 @if($media->type == 'download')                            <p><a class="u-attachment" href="{{ $media->url }}">Download the attached media</a></p>@endif
 @endforeach
                         </div>
-@php
-try {
-    echo '<div class="p-bridgy-twitter-content">' . $note->twitter_content . '</div>';
-} catch (App\Exceptions\TwitterContentException $exception) {}
-@endphp
+                        @if ($note->twitter_content)
+                            <div class="p-bridgy-twitter-content">
+                                {!! $note->twitter_content !!}
+                            </div>
+                        @endif
                         <div class="note-metadata">
                             <div>
                                 <a class="u-url" href="/notes/{{ $note->nb60id }}"><time class="dt-published" datetime="{{ $note->iso8601 }}" title="{{ $note->iso8601 }}">{{ $note->humandiff }}</time></a>@if($note->client) via <a class="client" href="{{ $note->client->client_url }}">{{ $note->client->client_name }}</a>@endif

tests/Feature/BridgyPosseTest.php

@@ -25,6 +25,6 @@ class BridgyPosseTest extends TestCase
         $response = $this->get($note->longurl);
 
         $html = $response->content();
-        $this->assertStringContainsString('p-bridgy-twitter-content', $html);
+        $this->assertStringContainsString('Hi @joe__', $html);
     }
 }