First basic version of cache:clear command

Refs #837.

framework/core/src/Console/Command/CacheClearCommand.php

@@ -0,0 +1,48 @@
+<?php
+/*
+ * This file is part of Flarum.
+ *
+ * (c) Toby Zerner <toby.zerner@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Flarum\Console\Command;
+
+class CacheClearCommand extends AbstractCommand
+{
+    /**
+     * {@inheritdoc}
+     */
+    protected function configure()
+    {
+        $this
+            ->setName('cache:clear')
+            ->setDescription('Remove all temporary and generated files');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function fire()
+    {
+        $this->info('Clearing the cache...');
+
+        $this->removeFilesMatching('assets', '*.js');
+        $this->removeFilesMatching('assets', '*.css');
+    }
+
+    protected function removeFilesMatching($path, $pattern)
+    {
+        $this->info("Removing $pattern files in $path...");
+
+        $path = $this->getPath($path);
+        array_map('unlink', glob("$path/$pattern"));
+    }
+
+    protected function getPath($path)
+    {
+        return base_path($path);
+    }
+}

framework/core/src/Console/Server.php

@@ -11,6 +11,7 @@
 
 namespace Flarum\Console;
 
+use Flarum\Console\Command\CacheClearCommand;
 use Flarum\Console\Command\GenerateExtensionCommand;
 use Flarum\Console\Command\GenerateMigrationCommand;
 use Flarum\Debug\Console\InfoCommand;
@@ -42,6 +43,7 @@ class Server extends AbstractServer
             InstallCommand::class,
             MigrateCommand::class,
             InfoCommand::class,
+            CacheClearCommand::class,
             GenerateExtensionCommand::class,
             GenerateMigrationCommand::class,
         ];