Update app.py

app.py

@@ -157,10 +157,36 @@ def merge_markdown_contents(contents):
     Merge multiple Markdown contents into a single Markdown string.
     """
     merged_content = "\n\n---\n\n".join(contents)
-    return merged_content
+    return 
+
+
+
+def extract_text_from_file(file):
+    """
+    Extract text content from an uploaded file based on its type.
+    Args:
+        file: The uploaded file object.
+    Returns:
+        str: Extracted text content.
+    """
+    try:
+        if file.name.endswith(".pdf"):
+            pdf_reader = PdfReader(file)
+            return "\n".join(page.extract_text() for page in pdf_reader.pages if page.extract_text())
+        elif file.name.endswith(".docx"):
+            doc = docx.Document(file)
+            return "\n".join(paragraph.text for paragraph in doc.paragraphs if paragraph.text)
+        elif file.name.endswith(".txt"):
+            return file.read().decode("utf-8")
+        else:
+            return None
+    except Exception as e:
+        st.error(f"Error extracting text: {e}")
+        return None
+
 
 def upload_to_firebase(user_id, file):
-    content = convert_file_to_md(file)
+    content = extract_text_from_file (file)
     if not content:
         return None, "Failed to convert file to content."