fix docx bug

app.py

@@ -3,6 +3,29 @@ from PIL import Image
 from docx import Document
 from io import BytesIO
 import os
+from fpdf import FPDF
+
+def docx_to_pdf(docx_file):
+    """
+    Convert a DOCX file into a simple PDF format.
+    """
+    document = Document(docx_file)
+    pdf = FPDF()
+    pdf.set_auto_page_break(auto=True, margin=15)
+    pdf.add_page()
+    pdf.set_font("Arial", size=12)
+
+    # Extract and add text from DOCX to the PDF
+    for paragraph in document.paragraphs:
+        text = paragraph.text.strip()
+        if text:
+            pdf.multi_cell(0, 10, text)
+
+    pdf_bytes = BytesIO()
+    pdf.output(pdf_bytes)
+    pdf_bytes.seek(0)  # Reset pointer
+    return pdf_bytes
+
 def merge_files(file_list, output_filename="merged.pdf"):
     writer = PdfWriter()
     
@@ -21,11 +44,7 @@ def merge_files(file_list, output_filename="merged.pdf"):
             writer.append(pdf_bytes)
         elif ext == 'docx':
             # Convert DOCX to PDF-like content
-            doc = Document(file)
-            pdf_bytes = BytesIO()
-            for paragraph in doc.paragraphs:
-                pdf_bytes.write((paragraph.text + '\n').encode('utf-8'))
-            pdf_bytes.seek(0)
+            pdf_bytes = docx_to_pdf(file)
             writer.append(pdf_bytes)
         elif ext == 'txt':
             # Convert TXT file to PDF-like content