From e7a73d05700f82588bb66d087284a3cfc1f38ae3 Mon Sep 17 00:00:00 2001
From: Anish Sarkar <104695310+AnishSarkar22@users.noreply.github.com>
Date: Wed, 11 Feb 2026 23:24:51 +0530
Subject: [PATCH] feat: add report export capabilities with Pandoc and
 WeasyPrint support

- Updated Dockerfiles to include Pandoc and WeasyPrint runtime libraries for report generation.
- Enhanced report retrieval functionality to include version siblings in the response.
- Modified report export process to utilize WeasyPrint for PDF generation, improving output quality.
---
 Dockerfile.allinone                            | 7 +++++++
 surfsense_backend/Dockerfile                   | 4 ++++
 surfsense_backend/app/routes/reports_routes.py | 2 +-
 surfsense_backend/pyproject.toml               | 1 +
 4 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/Dockerfile.allinone b/Dockerfile.allinone
index 7f9f18806..46d670961 100644
--- a/Dockerfile.allinone
+++ b/Dockerfile.allinone
@@ -121,6 +121,13 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     libgbm1 \
     libcairo2 \
     libpango-1.0-0 \
+    # ============================
+    # Report export (Pandoc + WeasyPrint runtime libs)
+    # ============================
+    pandoc \
+    libpangoft2-1.0-0 \
+    libharfbuzz0b \
+    libharfbuzz-subset0 \
     && rm -rf /var/lib/apt/lists/*
 
 # Install Node.js 20.x (for running frontend)
diff --git a/surfsense_backend/Dockerfile b/surfsense_backend/Dockerfile
index 446479ece..e33a962f8 100644
--- a/surfsense_backend/Dockerfile
+++ b/surfsense_backend/Dockerfile
@@ -20,6 +20,10 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     libxrender1 \
     dos2unix \
     git \
+    pandoc \
+    libpango-1.0-0 \
+    libpangoft2-1.0-0 \
+    libharfbuzz-subset0 \
     && rm -rf /var/lib/apt/lists/*
 
 # Update certificates and install SSL tools
diff --git a/surfsense_backend/app/routes/reports_routes.py b/surfsense_backend/app/routes/reports_routes.py
index b4ee0e889..25764d88d 100644
--- a/surfsense_backend/app/routes/reports_routes.py
+++ b/surfsense_backend/app/routes/reports_routes.py
@@ -180,7 +180,7 @@ async def export_report(
         # thread executor to avoid blocking the async event loop.
         extra_args = ["--standalone"]
         if format == ExportFormat.PDF:
-            extra_args.append("--pdf-engine=wkhtmltopdf")
+            extra_args.append("--pdf-engine=weasyprint")
 
         loop = asyncio.get_running_loop()
         output = await loop.run_in_executor(
diff --git a/surfsense_backend/pyproject.toml b/surfsense_backend/pyproject.toml
index 2abc07b5e..38da661b3 100644
--- a/surfsense_backend/pyproject.toml
+++ b/surfsense_backend/pyproject.toml
@@ -64,6 +64,7 @@ dependencies = [
     "langchain-unstructured>=1.0.1",
     "slowapi>=0.1.9",
     "pypandoc>=1.16.2",
+    "weasyprint>=68.1",
 ]
 
 [dependency-groups]