feat: add inline PDF viewer button for board documents

PDF documents now have an "Otwórz" button that opens
the file in the browser's built-in PDF viewer.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

blueprints/board/routes.py

@@ -533,6 +533,41 @@ def document_download(doc_id):
         db.close()
 
 
+@bp.route('/dokumenty/<int:doc_id>/otworz')
+@login_required
+@rada_member_required
+def document_view(doc_id):
+    """Open a PDF document inline in the browser"""
+    db = SessionLocal()
+    try:
+        doc = db.query(BoardDocument).filter(
+            BoardDocument.id == doc_id,
+            BoardDocument.is_active == True
+        ).first()
+
+        if not doc:
+            flash('Dokument nie został znaleziony.', 'error')
+            return redirect(url_for('board.index'))
+
+        file_path = DocumentUploadService.get_file_path(
+            doc.stored_filename, doc.uploaded_at
+        )
+
+        if not os.path.exists(file_path):
+            current_app.logger.error(f"Board document file not found: {file_path}")
+            flash('Plik dokumentu nie został znaleziony na serwerze.', 'error')
+            return redirect(url_for('board.meeting_view', meeting_id=doc.meeting_id))
+
+        return send_file(
+            file_path,
+            mimetype=doc.mime_type,
+            as_attachment=False,
+            download_name=doc.original_filename
+        )
+    finally:
+        db.close()
+
+
 @bp.route('/dokumenty/<int:doc_id>/usun', methods=['POST'])
 @login_required
 @office_manager_required

templates/board/meeting_view.html

@@ -755,6 +755,14 @@
                         {% if doc.uploader %}<br>{{ doc.uploader.name }}{% endif %}
                     </td>
                     <td>
+                        {% if doc.file_extension == 'pdf' %}
+                        <a href="{{ url_for('board.document_view', doc_id=doc.id) }}" target="_blank" class="btn-action btn-publish" style="font-size: var(--font-size-sm); padding: 6px 12px; margin-bottom: 4px;">
+                            <svg fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24" style="width:14px;height:14px">
+                                <path d="M15 12a3 3 0 11-6 0 3 3 0 016 0z"/><path d="M2.458 12C3.732 7.943 7.523 5 12 5c4.478 0 8.268 2.943 9.542 7-1.274 4.057-5.064 7-9.542 7-4.477 0-8.268-2.943-9.542-7z"/>
+                            </svg>
+                            Otwórz
+                        </a>
+                        {% endif %}
                         <a href="{{ url_for('board.document_download', doc_id=doc.id) }}" class="btn-action btn-edit" style="font-size: var(--font-size-sm); padding: 6px 12px;">
                             <svg fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24" style="width:14px;height:14px">
                                 <path d="M4 16v1a3 3 0 003 3h10a3 3 0 003-3v-1m-4-4l-4 4m0 0l-4-4m4 4V4"/>