Sheet update (onyx-dot-app#3189)

* quick pass

* k

* update sheet

* add multiple sheet stuff

* k

* finalized

* update configuration

backend/danswer/connectors/google_drive/doc_conversion.py

@@ -2,6 +2,7 @@
 from datetime import datetime
 from datetime import timezone
 
+from googleapiclient.discovery import build  # type: ignore
 from googleapiclient.errors import HttpError  # type: ignore
 
 from danswer.configs.app_configs import CONTINUE_ON_CONNECTOR_FAILURE
@@ -48,6 +49,67 @@ def _extract_sections_basic(
         return [Section(link=link, text=UNSUPPORTED_FILE_TYPE_CONTENT)]
 
     try:
+        if mime_type == GDriveMimeType.SPREADSHEET.value:
+            try:
+                sheets_service = build(
+                    "sheets", "v4", credentials=service._http.credentials
+                )
+                spreadsheet = (
+                    sheets_service.spreadsheets()
+                    .get(spreadsheetId=file["id"])
+                    .execute()
+                )
+
+                sections = []
+                for sheet in spreadsheet["sheets"]:
+                    sheet_name = sheet["properties"]["title"]
+                    sheet_id = sheet["properties"]["sheetId"]
+
+                    # Get sheet dimensions
+                    grid_properties = sheet["properties"].get("gridProperties", {})
+                    row_count = grid_properties.get("rowCount", 1000)
+                    column_count = grid_properties.get("columnCount", 26)
+
+                    # Convert column count to letter (e.g., 26 -> Z, 27 -> AA)
+                    end_column = ""
+                    while column_count:
+                        column_count, remainder = divmod(column_count - 1, 26)
+                        end_column = chr(65 + remainder) + end_column
+
+                    range_name = f"'{sheet_name}'!A1:{end_column}{row_count}"
+
+                    try:
+                        result = (
+                            sheets_service.spreadsheets()
+                            .values()
+                            .get(spreadsheetId=file["id"], range=range_name)
+                            .execute()
+                        )
+                        values = result.get("values", [])
+
+                        if values:
+                            text = f"Sheet: {sheet_name}\n"
+                            for row in values:
+                                text += "\t".join(str(cell) for cell in row) + "\n"
+                            sections.append(
+                                Section(
+                                    link=f"{link}#gid={sheet_id}",
+                                    text=text,
+                                )
+                            )
+                    except HttpError as e:
+                        logger.warning(
+                            f"Error fetching data for sheet '{sheet_name}': {e}"
+                        )
+                        continue
+                return sections
+
+            except Exception as e:
+                logger.warning(
+                    f"Ran into exception '{e}' when pulling data from Google Sheet '{file['name']}'."
+                    " Falling back to basic extraction."
+                )
+
         if mime_type in [
             GDriveMimeType.DOC.value,
             GDriveMimeType.PPT.value,
@@ -65,6 +127,7 @@ def _extract_sections_basic(
                 .decode("utf-8")
             )
             return [Section(link=link, text=text)]
+
         elif mime_type in [
             GDriveMimeType.PLAIN_TEXT.value,
             GDriveMimeType.MARKDOWN.value,