From 7065bee237a186b949e5a5281ec66e5adbe16543 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tom=C3=A1=C5=A1=20Ml=C3=A1dek?= <t@mldk.cz>
Date: Mon, 2 Dec 2019 15:07:31 +0100
Subject: [PATCH] append actual PDF after label, if possible

---
 www/_templates/front_doc_overview.php |  2 +-
 www/label.php                         | 18 ++++++++++++++++++
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/www/_templates/front_doc_overview.php b/www/_templates/front_doc_overview.php
index 7325e72..d5c0b15 100644
--- a/www/_templates/front_doc_overview.php
+++ b/www/_templates/front_doc_overview.php
@@ -25,7 +25,7 @@
                 : </span><?= $doc["HTMLDescription"] ?></p>
     <?php endif; ?>
 
-    <div class="doc-link"><span class="doc-link-intro">Get print label: </span>
+    <div class="doc-link"><span class="doc-link-intro">Get (document with) print label: </span>
         <a href="/label.php?id=<?= $doc["ID"] ?>">https://pile.sdbs.cz/label.php?id=<?= $doc["ID"] ?></a></div>
 
     <?php if (!empty($doc["URL"])): ?>
diff --git a/www/label.php b/www/label.php
index 2c94d61..319a85c 100644
--- a/www/label.php
+++ b/www/label.php
@@ -39,6 +39,24 @@ try {
 
     $mpdf->showImageErrors = true;
     $mpdf->WriteHTML($front->render("_templates/label_template.php"));
+    try {
+        if (preg_match('#^https?://pile.sdbs.cz/.*\.(pdf|PDF)$#', $doc['URL']) === 1) {
+            $tempName = tempnam("/tmp/", 'pile-merge');
+            file_put_contents($tempName, file_get_contents($doc["URL"]));
+            $pageCount = $mpdf->SetSourceFile($tempName);
+
+            for ($page = 1; $page <= $pageCount; $page++) {
+                $mpdf->AddPage();
+                $template = $mpdf->ImportPage($page);
+                $mpdf->UseTemplate($template);
+            }
+        }
+    } catch (Exception $exception) {
+        // noop
+    } finally {
+        unlink($tempName);
+    }
+
     $mpdf->Output();
 } catch (Exception $exception) {
     http_response_code(500); ?>