Switch to CommonMark (#51)

* wip

* wip

app/Console/Kernel.php

@@ -8,10 +8,6 @@
 
 class Kernel extends ConsoleKernel
 {
-    protected $commands = [
-        ImportWp::class,
-    ];
-
     protected function schedule(Schedule $schedule)
     {
         $schedule->command('responsecache:flush')->daily()->at('00:00');
@@ -23,7 +19,5 @@ protected function schedule(Schedule $schedule)
     protected function commands()
     {
         $this->load(__DIR__.'/Commands');
-
-        //require base_path('routes/console.php');
     }
 }

app/Models/Post.php

@@ -5,6 +5,7 @@
 use App\Jobs\PostOnMedium;
 use App\Jobs\SendTweet;
 use App\Models\Presenters\PostPresenter;
+use App\Services\CommonMark\CommonMark;
 use App\Services\Parsedown;
 use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Support\Facades\Log;
@@ -67,7 +68,7 @@ public function scopePublished(Builder $query)
 
     public function getFormattedTextAttribute()
     {
-        return (new Parsedown())->text($this->text);
+        return CommonMark::convertToHtml($this->text);
     }
 
     public function updateAttributes(array $attributes)

app/Services/CommonMark/CommonMark.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace App\Services\CommonMark;
+
+use League\CommonMark\Block\Element\FencedCode;
+use League\CommonMark\Block\Element\Heading;
+use League\CommonMark\Block\Element\IndentedCode;
+use League\CommonMark\CommonMarkConverter;
+use League\CommonMark\Environment;
+use Spatie\CommonMarkHighlighter\FencedCodeRenderer;
+use Spatie\CommonMarkHighlighter\IndentedCodeRenderer;
+
+class CommonMark
+{
+    public static function convertToHtml(string $markdown): string
+    {
+        $environment = Environment::createCommonMarkEnvironment()
+            ->addBlockRenderer(FencedCode::class, new FencedCodeRenderer())
+            ->addBlockRenderer(IndentedCode::class, new IndentedCodeRenderer())
+            ->addBlockRenderer(Heading::class, new HeadingRenderer());
+
+        $commonMarkConverter = new CommonMarkConverter([], $environment);
+
+        return $commonMarkConverter->convertToHtml($markdown);
+    }
+}

app/Services/CommonMark/HeadingRenderer.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace App\Services\CommonMark;
+
+use League\CommonMark\Block\Element\AbstractBlock;
+use League\CommonMark\Block\Renderer\HeadingRenderer as BaseHeadingRenderer;
+use League\CommonMark\ElementRendererInterface;
+use League\CommonMark\HtmlElement;
+
+class HeadingRenderer extends BaseHeadingRenderer
+{
+    public function render(AbstractBlock $block, ElementRendererInterface $htmlRenderer, $inTightList = false)
+    {
+        $element = parent::render($block, $htmlRenderer, $inTightList);
+
+        $id = str_slug($element->getContents());
+
+        $element->setAttribute('id', $id);
+        $element->setContents(
+            $element->getContents() .
+            new HtmlElement('a', ['href' => "#{$id}", 'class' => $this->getFragmentLinkClass($element->getTagName())], ' #')
+        );
+
+        return $element;
+    }
+
+    protected function getFragmentLinkClass($elementName)
+    {
+        if ($elementName === 'h1') {
+            return 'text-grey';
+        }
+
+        if ($elementName === 'h2') {
+            return 'text-grey';
+        }
+
+        return 'text-grey-light';
+    }
+}

composer.json

@@ -32,6 +32,7 @@
         "laravel/scout": "^3.0",
         "laravel/tinker": "~1.0",
         "ohdearapp/nova-ohdear-tool": "dev-master",
+        "spatie/commonmark-highlighter": "^0.1.0",
         "spatie/laravel-backup": "^5.1",
         "spatie/laravel-csp": "^1.0",
         "spatie/laravel-feed": "^2.0",