From 16309c540ced7d6db6ddb10ab5df0208efc4bef6 Mon Sep 17 00:00:00 2001
From: Markus Staab <maggus.staab@googlemail.com>
Date: Sun, 13 Aug 2023 09:00:05 +0200
Subject: [PATCH] Support handling of rector fatal errors (#111)

---
 lib/CsFixerResult.php | 7 +++++++
 lib/RectorResult.php  | 7 +++++++
 pages/apply.php       | 9 +++++++++
 pages/preview.php     | 9 +++++++++
 4 files changed, 32 insertions(+)

diff --git a/lib/CsFixerResult.php b/lib/CsFixerResult.php
index b6f319ac9..c1ce2302e 100644
--- a/lib/CsFixerResult.php
+++ b/lib/CsFixerResult.php
@@ -51,4 +51,11 @@ public function getFileDiffs(): array
         }
         return $fileDiffs;
     }
+
+    /**
+     * @return list<string>
+     */
+    public function getFatalErrors(): array {
+        return [];
+    }
 }
diff --git a/lib/RectorResult.php b/lib/RectorResult.php
index 2c6452838..a5a613316 100644
--- a/lib/RectorResult.php
+++ b/lib/RectorResult.php
@@ -71,4 +71,11 @@ public function getAppliedRectors(): array
 
         return array_unique($rectors);
     }
+
+    /**
+     * @return list<string>
+     */
+    public function getFatalErrors(): array {
+        return $this->json['fatal_errors'] ?? [];
+    }
 }
diff --git a/pages/apply.php b/pages/apply.php
index e19fa86c6..604522090 100644
--- a/pages/apply.php
+++ b/pages/apply.php
@@ -24,6 +24,15 @@
 
 $result = RexFactor::runRexFactor($addon, $setList, $targetVersion, false, $skipList->toRectorSkipList());
 
+$fatalErrors = $result->getFatalErrors();
+if ($fatalErrors !== []) {
+    foreach($fatalErrors as $error) {
+        echo rex_view::error($error);
+    }
+
+    return;
+}
+
 $total = $result->getTotals();
 $content = '';
 if ($total['changed_files'] > 0) {
diff --git a/pages/preview.php b/pages/preview.php
index c560be180..4e5aa130a 100644
--- a/pages/preview.php
+++ b/pages/preview.php
@@ -52,6 +52,15 @@
 
 $result = RexFactor::runRexFactor($addon, $setList, $targetVersion, true, $skipList->toRectorSkipList());
 
+$fatalErrors = $result->getFatalErrors();
+if ($fatalErrors !== []) {
+    foreach($fatalErrors as $error) {
+        echo rex_view::error($error);
+    }
+
+    return;
+}
+
 $html = $content = $diffout = '';
 $total = $result->getTotals();
 if ($total['changed_files'] > 0) {