Add Wiki/DropDatabase Command

app/Console/Commands/Wiki/DropDatabase.php

@@ -0,0 +1,71 @@
+<?php
+
+namespace App\Console\Commands\Wiki;
+
+use App\Wiki;
+use App\WikiDb;
+use Illuminate\Console\Command;
+use Illuminate\Database\DatabaseManager;
+use Illuminate\Support\Facades\App;
+
+class dropDatabase extends Command {
+    protected $signature = 'wbs-wiki:dropDatabase {wikiDomain}';
+
+    protected $description = 'Drops the MediaWiki database of a wiki and soft-deletes it.';
+
+    public function handle(): int {
+        $wikiDomain = trim($this->argument('wikiDomain'));
+        $wiki = Wiki::with('wikidb')->firstWhere('domain', $wikiDomain);
+
+        if (!$wiki) {
+            $this->error("Wiki not found by domain '$wikiDomain'");
+
+            return 1;
+        }
+
+        if (!$this->dropWikiDb($wiki->wikidb)) {
+            $this->error('Failed to drop the mediawiki database of wiki.');
+            $this->error($wiki);
+
+            return 2;
+        }
+
+        $this->info('MediaWiki database dropped.');
+
+        $wiki->delete();
+
+        $this->info('Wiki soft-deleted.');
+        $this->info($wiki);
+
+        return 0;
+    }
+
+    private function dropWikiDb(WikiDb $wikiDb): bool {
+        $connection = $this->getWikiDbConnection($wikiDb);
+
+        if (!$connection instanceof \Illuminate\Database\Connection) {
+            throw new \RuntimeException('Must be run on a PDO based DB connection');
+        }
+
+        $mediawikiPdo = $connection->getPdo();
+        $statement = $mediawikiPdo->prepare('DROP DATABASE ' . $wikiDb->name);
+
+        return $statement->execute([$wikiDb->name]);
+    }
+
+    // Creates a temporary DB connection with wiki scoped credentials
+    private function getWikiDbConnection(WikiDb $wikiDb): mixed {
+        $wikiDbConnectionConfig = array_replace(
+            app()->config->get('database.connections.mw'),
+            [
+                'database' => $wikiDb->name,
+                'username' => $wikiDb->user,
+                'password' => $wikiDb->password,
+            ]
+        );
+
+        app()->config->set('database.connections.wikiTemp', $wikiDbConnectionConfig);
+
+        return App::make(DatabaseManager::class)->connection('wikiTemp');
+    }
+}

tests/Commands/Wiki/DropDatabaseTest.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace Tests\Commands;
+
+use Illuminate\Foundation\Testing\DatabaseTransactions;
+use Tests\TestCase;
+
+class DropDatabaseTest extends TestCase {
+    use DatabaseTransactions;
+
+    public function testWikiNotFound() {
+        $this->artisan(
+            'wbs-wiki:dropDatabase', [
+                'wikiDomain' => 'imaginarywiki.wbaas.dev',
+            ])
+            ->assertExitCode(1)
+            ->assertFailed();
+    }
+}