rudimentary export options

app/Http/Controllers/TableController.php

@@ -6,10 +6,14 @@ use App\Models\Revision;
 use App\Models\Row;
 use App\Models\Table;
 use App\Models\User;
-use App\Utils\Column;
+use App\Tables\Column;
+use App\Tables\CStructArrayExporter;
+use App\Tables\CsvExporter;
+use App\Tables\JsonExporter;
 use Illuminate\Http\Request;
 use Illuminate\Validation\Rule;
 use MightyPork\Exceptions\NotApplicableException;
+use MightyPork\Utils\Utils;
 
 class TableController extends Controller
 {
@@ -258,4 +262,33 @@ class TableController extends Controller
             }
         }
     }
+
+    public function export(Request $request, User $user, string $table)
+    {
+        /** @var Table $tableModel */
+        $tableModel = $user->tables()->where('name', $table)->first();
+        if ($tableModel === null) abort(404, "No such table.");
+
+        $exporter = null;
+
+        switch ($request->get('format')) {
+            case 'json':
+                $exporter = new JsonExporter($tableModel);
+                break;
+
+            case 'csv':
+                $exporter = new CsvExporter($tableModel);
+                break;
+
+            case 'c':
+                $exporter = new CStructArrayExporter($tableModel);
+                break;
+
+            default:
+                abort(400, "Unspecified or unknown format.");
+        }
+
+        $dl = Utils::parseBool($request->get('dl', false));
+        $exporter->exportToBrowser($dl);
+    }
 }