feat: implement initial project, document, and resource management modules with routing, controllers, and UI components

Modules/DocumentManagement/app/Http/Controllers/DocumentController.php

@@ -118,22 +118,134 @@ class DocumentController extends Controller
 
     public function download(Document $document)
     {
-        if (!$document->current_file_path || !Storage::disk('local')->exists($document->current_file_path)) {
+        $disk = $document->current_file_path ? $this->resolveDisk($document->current_file_path) : null;
+
+        if (!$disk) {
             return back()->with('error', 'File not found.');
         }
 
-        return Storage::disk('local')->download($document->current_file_path, $document->current_file_name);
+        return $disk->download($document->current_file_path, $document->current_file_name);
+    }
+
+    public function preview(Document $document)
+    {
+        $disk = $document->current_file_path ? $this->resolveDisk($document->current_file_path) : null;
+
+        if (!$disk) {
+            abort(404, 'File not found.');
+        }
+
+        $mimeType = $document->mime_type ?: $disk->mimeType($document->current_file_path);
+        $extension = strtolower(pathinfo($document->current_file_name ?: $document->current_file_path, PATHINFO_EXTENSION));
+        $isDocx = $extension === 'docx' || $mimeType === 'application/vnd.openxmlformats-officedocument.wordprocessingml.document';
+
+        if ($isDocx) {
+            return $this->renderDocxPreview($disk->path($document->current_file_path), $document->current_file_name ?: 'document.docx');
+        }
+
+        if (!in_array($mimeType, ['application/pdf'], true) && !str_starts_with((string) $mimeType, 'image/')) {
+            abort(404, 'This file type does not support inline preview.');
+        }
+
+        return response()->file($disk->path($document->current_file_path), [
+            'Content-Type' => $mimeType,
+            'Content-Disposition' => 'inline; filename="' . addcslashes($document->current_file_name ?: 'document', '"\\') . '"',
+        ]);
+    }
+
+    private function renderDocxPreview(string $path, string $fileName)
+    {
+        if (!class_exists(\ZipArchive::class)) {
+            abort(501, 'DOCX preview requires the PHP ZIP extension.');
+        }
+
+        $archive = new \ZipArchive();
+        if ($archive->open($path) !== true) {
+            abort(422, 'The DOCX file could not be opened.');
+        }
+
+        $documentXml = $archive->getFromName('word/document.xml');
+        $archive->close();
+
+        if (!$documentXml) {
+            abort(422, 'The DOCX document content could not be read.');
+        }
+
+        $xml = new \DOMDocument();
+        $xml->loadXML($documentXml, LIBXML_NONET | LIBXML_NOERROR | LIBXML_NOWARNING);
+        $xpath = new \DOMXPath($xml);
+        $content = [];
+        $extractText = static function (\DOMNode $node) use ($xpath): string {
+            $text = '';
+            foreach ($xpath->query('.//*[local-name()="t"]', $node) as $textNode) {
+                $text .= $textNode->textContent;
+            }
+
+            return trim($text);
+        };
+
+        $body = $xpath->query('//*[local-name()="body"]')->item(0);
+        foreach ($body?->childNodes ?? [] as $block) {
+            if ($block->localName === 'p') {
+                $text = $extractText($block);
+                if ($text !== '') {
+                    $content[] = '<p>' . e($text) . '</p>';
+                }
+                continue;
+            }
+
+            if ($block->localName === 'tbl') {
+                $rowsHtml = [];
+                foreach ($xpath->query('./*[local-name()="tr"]', $block) as $row) {
+                    $cellsHtml = [];
+                    foreach ($xpath->query('./*[local-name()="tc"]', $row) as $cell) {
+                        $cellsHtml[] = '<td>' . e($extractText($cell)) . '</td>';
+                    }
+                    if ($cellsHtml !== []) {
+                        $rowsHtml[] = '<tr>' . implode('', $cellsHtml) . '</tr>';
+                    }
+                }
+
+                if ($rowsHtml !== []) {
+                    $content[] = '<table><tbody>' . implode('', $rowsHtml) . '</tbody></table>';
+                }
+            }
+        }
+
+        $html = '<!doctype html><html><head><meta charset="utf-8"><title>' . e($fileName) . '</title>'
+            . '<style>*{box-sizing:border-box}html{background:#f3f4f6}body{font-family:Arial,sans-serif;line-height:1.6;color:#1f2937;width:8.5in;min-height:11in;margin:16px auto;padding:.6in;background:#fff;box-shadow:0 2px 12px rgba(15,23,42,.14)}p{margin:0 0 14px;white-space:pre-wrap}table{width:100%;margin:18px 0;border-collapse:collapse;font-size:12px}th,td{border:1px solid #cbd5e1;padding:6px 8px;text-align:left;vertical-align:top}td{min-width:80px}@media(max-width:900px){body{width:100%;min-height:100vh;margin:0;padding:28px 24px;box-shadow:none}}</style>'
+            . '</head><body>' . implode('', $content) . '</body></html>';
+
+        return response($html, 200, [
+            'Content-Type' => 'text/html; charset=UTF-8',
+            'Content-Disposition' => 'inline; filename="' . addcslashes(pathinfo($fileName, PATHINFO_FILENAME) . '.html', '"\\') . '"',
+        ]);
+    }
+
+    private function resolveDisk(string $path)
+    {
+        foreach (['local', 'public'] as $diskName) {
+            $disk = Storage::disk($diskName);
+
+            if ($disk->exists($path)) {
+                return $disk;
+            }
+        }
+
+        return null;
     }
 
     public function downloadVersion(Document $document, int $versionId)
     {
         $version = $document->versions()->findOrFail($versionId);
 
-        if (!Storage::disk('local')->exists($version->file_path)) {
+        $disk = $this->resolveDisk($version->file_path);
+
+        if (!$disk) {
             return back()->with('error', 'Version file not found.');
         }
 
-        return Storage::disk('local')->download($version->file_path, $version->file_name);
+        return $disk->download($version->file_path, $version->file_name);
     }
 
     public function versions(Document $document)
@@ -149,10 +261,12 @@ class DocumentController extends Controller
     {
         // Delete all version files
         foreach ($document->versions as $version) {
-            Storage::disk('local')->delete($version->file_path);
+            $disk = $this->resolveDisk($version->file_path);
+            $disk?->delete($version->file_path);
         }
         if ($document->current_file_path) {
-            Storage::disk('local')->delete($document->current_file_path);
+            $disk = $this->resolveDisk($document->current_file_path);
+            $disk?->delete($document->current_file_path);
         }
 
         $document->delete();