From fa330e7fb3d091ab8b6e61c3a205ad004bdf58b9 Mon Sep 17 00:00:00 2001
From: sauravniraula <developmentsaurav@gmail.com>
Date: Tue, 22 Jul 2025 03:00:38 +0545
Subject: [PATCH 1/2] fix(nextjs): adds wait untill all dom elements have
 loaded

---
 servers/nextjs/app/api/export-as-pdf/route.ts | 46 ++++++++++++++++---
 1 file changed, 40 insertions(+), 6 deletions(-)

diff --git a/servers/nextjs/app/api/export-as-pdf/route.ts b/servers/nextjs/app/api/export-as-pdf/route.ts
index 21a622f2..49ff41df 100644
--- a/servers/nextjs/app/api/export-as-pdf/route.ts
+++ b/servers/nextjs/app/api/export-as-pdf/route.ts
@@ -16,23 +16,57 @@ export async function POST(req: NextRequest) {
     headless: true,
     args: [
       '--no-sandbox',
-      '--disable-setuid-sandbox',
-      '--disable-dev-shm-usage',
-      '--disable-gpu',
       '--disable-web-security',
     ]
   });
   const page = await browser.newPage();
+  await page.setViewport({ width: 1280, height: 720 });
+
   await page.goto(`http://localhost/pdf-maker?id=${id}`, { waitUntil: 'networkidle0', timeout: 80000 });
 
+  await page.waitForFunction('() => document.readyState === "complete"')
+
+  try {
+    await page.waitForFunction(
+      `
+      () => {
+        const allElements = document.querySelectorAll('*');
+        let loadedElements = 0;
+        let totalElements = allElements.length;
+        
+        for (let el of allElements) {
+            const style = window.getComputedStyle(el);
+            const isVisible = style.display !== 'none' && 
+                            style.visibility !== 'hidden' && 
+                            style.opacity !== '0';
+            
+            if (isVisible && el.offsetWidth > 0 && el.offsetHeight > 0) {
+                loadedElements++;
+            }
+        }
+        
+        return (loadedElements / totalElements) >= 0.95;
+      }
+      `,
+      { timeout: 10000 }
+    );
+
+    await new Promise(resolve => setTimeout(resolve, 1000));
+
+  } catch (error) {
+    console.log("Warning: Some content may not have loaded completely:", error);
+  }
+
+
   const pdfBuffer = await page.pdf({
-    printBackground: true,
     width: "1280px",
     height: "720px",
-    margin: { top: 0, right: 0, bottom: 0, left: 0 }
-
+    printBackground: true,
+    margin: { top: 0, right: 0, bottom: 0, left: 0 },
   });
+
   browser.close();
+
   const sanitizedTitle = sanitizeFilename(title);
   const destinationPath = path.join(process.env.APP_DATA_DIRECTORY!, 'exports', `${sanitizedTitle}.pdf`);
   console.log('destinationPath', destinationPath);

From fd71bdd12599ae41f5ad034d1f3eaccd74449313 Mon Sep 17 00:00:00 2001
From: sauravniraula <developmentsaurav@gmail.com>
Date: Tue, 22 Jul 2025 16:44:19 +0545
Subject: [PATCH 2/2] perf(fastapi): removes multiple database write in single
 endpoint

---
 servers/fastapi/api/v1/ppt/endpoints/presentation.py | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/servers/fastapi/api/v1/ppt/endpoints/presentation.py b/servers/fastapi/api/v1/ppt/endpoints/presentation.py
index 758a8f40..36ba523c 100644
--- a/servers/fastapi/api/v1/ppt/endpoints/presentation.py
+++ b/servers/fastapi/api/v1/ppt/endpoints/presentation.py
@@ -134,11 +134,6 @@ async def prepare_presentation(
 
     with get_sql_session() as sql_session:
         presentation = sql_session.get(PresentationModel, presentation_id)
-        presentation.outlines = [each.model_dump() for each in outlines]
-        presentation.title = title or presentation.title
-        presentation.layout = layout.model_dump()
-        sql_session.commit()
-        sql_session.refresh(presentation)
 
     total_slide_layouts = len(layout.slides)
     total_outlines = len(outlines)
@@ -164,6 +159,9 @@ async def prepare_presentation(
 
     with get_sql_session() as sql_session:
         sql_session.add(presentation)
+        presentation.outlines = [each.model_dump() for each in outlines]
+        presentation.title = title or presentation.title
+        presentation.set_layout(layout)
         presentation.set_structure(presentation_structure)
         sql_session.commit()
         sql_session.refresh(presentation)