Refactor to command (#13)

* wip

* wip

* wip

src/Commands/GenerateFaviconsCommand.php

@@ -0,0 +1,61 @@
+<?php
+
+declare(strict_types=1);
+
+namespace ArchTech\SEO\Commands;
+
+use Illuminate\Console\Command;
+use Intervention\Image\ImageManager;
+
+class GenerateFaviconsCommand extends Command
+{
+    protected $signature = 'seo:generate-favicons {from?}';
+
+    protected $description = 'Generate favicons based on a source file';
+
+    public function handle(): int
+    {
+        $path = $this->argument('from') ?? public_path('assets/logo.png');
+
+        if (! is_string($path)) {
+            $this->error('The `from` argument must be a string.');
+
+            return Command::FAILURE;
+        }
+
+        $this->info('Generating favicons...');
+
+        if (! class_exists(ImageManager::class)) {
+            $this->error('Intervention not available, please run `composer require intervention/image`');
+
+            return Command::FAILURE;
+        }
+
+        if (! file_exists($path)) {
+            $this->error("Given icon path `{$path}` does not exist.");
+
+            return Command::FAILURE;
+        }
+
+        // GD driver doesn't support .ico, that's why we use ImageMagick.
+        $manager = new ImageManager(['driver' => 'imagick']);
+
+        $this->comment('Generating ico...');
+
+        $manager
+            ->make($path)
+            ->resize(32, 32)
+            ->save(public_path('favicon.ico'));
+
+        $this->comment('Generating png...');
+
+        $manager
+            ->make($path)
+            ->resize(32, 32)
+            ->save(public_path('favicon.png'));
+
+        $this->info('All favicons have been generated!');
+
+        return Command::SUCCESS;
+    }
+}