Add CopyStructureController for database structure copying

Signed-off-by: Satyam <satyam.gupta756@gmail.com>

src/Controllers/Database/Structure/CopyStructureController.php

@@ -0,0 +1,86 @@
+<?php
+
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Controllers\Database\Structure;
+
+use PhpMyAdmin\Controllers\InvocableController;
+use PhpMyAdmin\Current;
+use PhpMyAdmin\Dbal\DatabaseInterface;
+use PhpMyAdmin\DbTableExists;
+use PhpMyAdmin\Http\Response;
+use PhpMyAdmin\Http\ServerRequest;
+use PhpMyAdmin\Identifiers\DatabaseName;
+use PhpMyAdmin\Message;
+use PhpMyAdmin\ResponseRenderer;
+use PhpMyAdmin\Routing\Route;
+
+use function __;
+use function implode;
+use function sprintf;
+
+#[Route('/database/structure/copy-structure', ['POST'])]
+final readonly class CopyStructureController implements InvocableController
+{
+    public function __construct(
+        private ResponseRenderer $response,
+        private DatabaseInterface $dbi,
+        private DbTableExists $dbTableExists,
+    ) {
+    }
+
+    public function __invoke(ServerRequest $request): Response
+    {
+        if (Current::$database === '') {
+            $this->response->setRequestStatus(false);
+            $this->response->addJSON('message', Message::error(__('No databases selected.')));
+
+            return $this->response->response();
+        }
+
+        $databaseName = DatabaseName::tryFrom($request->getParam('db'));
+        if ($databaseName === null || ! $this->dbTableExists->selectDatabase($databaseName)) {
+            $this->response->setRequestStatus(false);
+            $this->response->addJSON('message', Message::error(__('No databases selected.')));
+
+            return $this->response->response();
+        }
+
+        $this->dbi->selectDb(Current::$database);
+
+        /** @var string[] $tableNames */
+        $tableNames = $this->dbi->getTables(Current::$database);
+
+        $baseTables = [];
+        $views = [];
+        foreach ($tableNames as $table) {
+            $object = $this->dbi->getTable(Current::$database, $table);
+            if ($object->isView()) {
+                $views[] = $table;
+            } else {
+                $baseTables[] = $table;
+            }
+        }
+
+        $segments = [
+            sprintf('-- Database: %s', Current::$database),
+        ];
+
+        foreach ($baseTables as $table) {
+            $object = $this->dbi->getTable(Current::$database, $table);
+            $segments[] = $object->showCreate();
+        }
+
+        if ($views !== []) {
+            $segments[] = '-- Views';
+            foreach ($views as $table) {
+                $object = $this->dbi->getTable(Current::$database, $table);
+                $segments[] = $object->showCreate();
+            }
+        }
+
+        $this->response->addJSON('sql', implode("\n\n", $segments));
+
+        return $this->response->response();
+    }
+}