chore: PHPStan Level 8

phpstan.neon

@@ -1,5 +1,5 @@
 parameters:
-    level: 6
+    level: 8
     paths:
         - src
         - tests

src/ConfluencePageContentDownloader.php

@@ -47,7 +47,12 @@ public function downloadPageContent(ConfluencePage $page, bool $withAttachments
                 return;
             }
 
-            $attachments = $this->contentEndpoint->findChildAttachments($page->getId());
+            $pageId = $page->getId();
+            if ($pageId === null) {
+                return;
+            }
+
+            $attachments = $this->contentEndpoint->findChildAttachments($pageId);
             foreach ($attachments as $attachment) {
                 $this->downloadEndpoint->downloadAttachment($attachment);
             }
@@ -64,7 +69,7 @@ private function repairPageContent(ConfluencePage $page): ConfluencePage
         $domDocument->loadHTML($page->getContent());
         if (!$domDocument->validate()) {
             $pageContent = '';
-            foreach ($domDocument->getElementsByTagName('body')->item(0)->childNodes as $child) {
+            foreach ($domDocument->getElementsByTagName('body')->item(0)->childNodes ?? [] as $child) {
                 $pageContent .= $domDocument->saveHTML($child);
             }
 

src/Endpoint/Download.php

@@ -6,6 +6,7 @@
 
 use Artemeon\Confluence\Endpoint\Dto\ConfluenceAttachment;
 use Artemeon\Confluence\Endpoint\Dto\ConfluencePage;
+use DateTime;
 use GuzzleHttp\Client;
 
 class Download
@@ -70,10 +71,15 @@ private function shouldAttachmentBeUpdated(ConfluenceAttachment $attachment): bo
     {
         $filepath = $this->getAttachmentFilePath($attachment);
 
+        $lastUpdated = $attachment->getLastUpdated();
+        if (!$lastUpdated instanceof DateTime) {
+            return true;
+        }
+
         if (file_exists($filepath)) {
             $filemtime = filemtime($filepath);
             if (is_int($filemtime)) {
-                return $filemtime < $attachment->getLastUpdated()->getTimestamp();
+                return $filemtime < $lastUpdated->getTimestamp();
             }
         }
 

src/Endpoint/Dto/ConfluencePage.php

@@ -118,9 +118,15 @@ public function getMetadata(): ?array
      */
     public function getLabels(): array
     {
+        $metadata = $this->getMetadata();
+
+        if ($metadata === null || !array_key_exists('labels', $metadata)) {
+            return [];
+        }
+
         $labels = [];
 
-        foreach ($this->getMetadata()['labels']['results'] as $labelData) {
+        foreach ($metadata['labels']['results'] as $labelData) {
             $labels[] = new ConfluenceLabel($labelData['id'], $labelData['name'], $labelData['prefix'], $labelData['label']);
         }
 

src/MacroReplacer/AdfPanelReplacer.php

@@ -29,12 +29,16 @@ function ($match) {
             $haystack
         );
 
+        if ($result === null) {
+            return $haystack;
+        }
+
         $result = preg_replace(
             '/<ac:adf-extension[^>]*>(.*?)<\/ac:adf-extension>/is',
             '$1',
             $result
         );
 
-        return $result;
+        return $result ?? $haystack;
     }
 }

src/MacroReplacer/GenericPanelReplacer.php

@@ -34,6 +34,6 @@ function ($match) {
                 );
             },
             $haystack
-        );
+        ) ?? $haystack;
     }
 }

src/MacroReplacer/ImageAndVideoMacroReplacer.php

@@ -45,6 +45,6 @@ function ($match) {
                 }
             },
             $haystack
-        );
+        ) ?? $haystack;
     }
 }

src/MacroReplacer/LayoutSectionMacroReplacer.php

@@ -16,8 +16,7 @@ function ($match) {
                 return '<div data-macro-type="'.$macroType.'">'.$macroContent.'</div>';
             },
             $haystack
-        );
-
+        ) ?? $haystack;
 
         return preg_replace_callback(
             '/<ac:layout-cell>(.*?)<\/ac:layout-cell>/is',
@@ -26,6 +25,6 @@ function ($match) {
                 return '<div>'.$macroContent.'</div>';
             },
             $haystack
-        );
+        ) ?? $haystack;
     }
 }

src/MacroReplacer/OtherMacroRemover.php

@@ -11,7 +11,7 @@ class OtherMacroRemover implements MacroReplacerInterface
 {
     public function replace(string $haystack): string
     {
-        $haystack = preg_replace('/<ac:[^>]+>.*?<\/ac:[^>]+>/is', '', $haystack);
-        return preg_replace('/<\/ac:([a-zA-Z0-9]+)>/', '', $haystack);
+        $haystack = preg_replace('/<ac:[^>]+>.*?<\/ac:[^>]+>/is', '', $haystack) ?? $haystack;
+        return preg_replace('/<\/ac:([a-zA-Z0-9]+)>/', '', $haystack) ?? $haystack;
     }
 }

src/MacroReplacer/StructuredMacroReplacer.php

@@ -24,6 +24,6 @@ function ($match) {
                 return sprintf('<div class="documentation-panel-%s"><div>%s</div></div>', $macroName, $macroContent);
             },
             $haystack
-        );
+        ) ?? $haystack;
     }
 }