From 94f3295b6c898598faf4a8a9a117bef9aa715571 Mon Sep 17 00:00:00 2001
From: Lars Gebhardt-Kusche <lars@kusche.berlin>
Date: Sat, 11 Apr 2026 03:29:21 +0200
Subject: [PATCH] import x

---
 partials/landingpages/modules/index.php |  3 +++
 src/App/SqlDataImporter.php             | 28 +++++++++++++++++++++++--
 2 files changed, 29 insertions(+), 2 deletions(-)

diff --git a/partials/landingpages/modules/index.php b/partials/landingpages/modules/index.php
index 62570b2..6d7d371 100644
--- a/partials/landingpages/modules/index.php
+++ b/partials/landingpages/modules/index.php
@@ -23,6 +23,9 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
   <div class="pill">Module</div>
   <h1 style="margin-top:.75rem;">Module verwalten</h1>
   <p class="muted">Hier siehst du nur aktive Module. Installierte Module kannst du unten verwalten.</p>
+  <p style="margin-top:.75rem;">
+    <a class="nav-link" href="/modules/sql-import">Zentralen SQL-Import oeffnen</a>
+  </p>
 
   <?php if ($error): ?>
     <div class="bg-red-900 border-l-4 border-red-500 text-red-100 p-4 mb-6" role="alert">
diff --git a/src/App/SqlDataImporter.php b/src/App/SqlDataImporter.php
index 90e2af3..0bfd26b 100644
--- a/src/App/SqlDataImporter.php
+++ b/src/App/SqlDataImporter.php
@@ -74,7 +74,7 @@ final class SqlDataImporter
 
             foreach ($pendingStatements as $statement) {
                 try {
-                    $this->pdo->exec($statement);
+                    $this->execStatementWithRecovery($statement);
                     $executed++;
                     $progressMade = true;
                 } catch (\Throwable $exception) {
@@ -93,7 +93,7 @@ final class SqlDataImporter
 
             if (!$progressMade) {
                 try {
-                    $this->pdo->exec($deferredStatements[0]);
+                    $this->execStatementWithRecovery($deferredStatements[0]);
                 } catch (\Throwable $exception) {
                     throw new \RuntimeException($deferredStatements[0], 0, $exception);
                 }
@@ -105,6 +105,30 @@ final class SqlDataImporter
         return $executed;
     }
 
+    private function execStatementWithRecovery(string $statement): void
+    {
+        if ($this->driver !== 'pgsql' || !$this->pdo->inTransaction()) {
+            $this->pdo->exec($statement);
+            return;
+        }
+
+        $savepoint = 'sql_import_' . substr(sha1($statement . microtime(true)), 0, 12);
+        $this->pdo->exec('SAVEPOINT ' . $savepoint);
+
+        try {
+            $this->pdo->exec($statement);
+            $this->pdo->exec('RELEASE SAVEPOINT ' . $savepoint);
+        } catch (\Throwable $exception) {
+            try {
+                $this->pdo->exec('ROLLBACK TO SAVEPOINT ' . $savepoint);
+                $this->pdo->exec('RELEASE SAVEPOINT ' . $savepoint);
+            } catch (\Throwable) {
+            }
+
+            throw $exception;
+        }
+    }
+
     private function shouldRetryDeferredImportStatement(\Throwable $exception, string $statement): bool
     {
         if ($this->driver !== 'pgsql') {