Fix diff counting logic

src/lib/google/sheets/server.ts

@@ -51,25 +51,48 @@ export async function getRecentSpreadsheets(
  * Get data from a Google Sheet
  * @param refreshToken - Google refresh token
  * @param spreadsheetId - ID of the spreadsheet
- * @param range - Cell range to retrieve (default: A1:Z10)
+ * @param range - Optional cell range. If not provided, it will fetch the entire first sheet.
  * @returns Sheet data as a 2D array
  */
 export async function getSpreadsheetData(
-  refreshToken: string,
-  spreadsheetId: string,
-  range: string = 'A1:Z10'
+	refreshToken: string,
+	spreadsheetId: string,
+	range?: string
 ): Promise<SheetData> {
-  const oauth = getAuthenticatedClient(refreshToken);
-  const sheets = google.sheets({ version: 'v4', auth: oauth });
+	const oauth = getAuthenticatedClient(refreshToken);
+	const sheets = google.sheets({ version: 'v4', auth: oauth });
 
-  const response = await sheets.spreadsheets.values.get({
-    spreadsheetId,
-    range
-  });
+	let effectiveRange = range;
 
-  return {
-    values: response.data.values || []
-  };
+	// If no range is provided, get the name of the first sheet and use that as the range
+	// to fetch all its content.
+	if (!effectiveRange) {
+		try {
+			const info = await getSpreadsheetInfo(refreshToken, spreadsheetId);
+			const firstSheetName = info.sheets?.[0]?.properties?.title;
+
+			if (firstSheetName) {
+				// To use a sheet name as a range, it must be quoted if it contains spaces or special characters.
+				effectiveRange = `'${firstSheetName}'`;
+			} else {
+				// Fallback if sheet name can't be determined.
+				effectiveRange = 'A1:Z1000'; // A sensible default for a large preview
+			}
+		} catch (error) {
+			console.error(`Failed to get sheet info for spreadsheet ${spreadsheetId}`, error);
+			// Fallback if the info call fails
+			effectiveRange = 'A1:Z1000';
+		}
+	}
+
+	const response = await sheets.spreadsheets.values.get({
+		spreadsheetId,
+		range: effectiveRange
+	});
+
+	return {
+		values: response.data.values || []
+	};
 }
 
 /**

src/routes/private/api/google/sheets/[sheetId]/data/+server.ts

@@ -2,17 +2,18 @@ import { json } from '@sveltejs/kit';
 import type { RequestHandler } from './$types';
 import { googleSheetsServer } from '$lib/google/sheets/server.js';
 
-export const GET: RequestHandler = async ({ params, request }) => {
+export const GET: RequestHandler = async ({ params, request, url }) => {
 	try {
 		const { sheetId } = params;
 		const authHeader = request.headers.get('authorization');
-		
+		const range = url.searchParams.get('range') || undefined;
+
 		if (!authHeader?.startsWith('Bearer ')) {
 			return json({ error: 'Missing or invalid authorization header' }, { status: 401 });
 		}
 
 		const refreshToken = authHeader.slice(7);
-		const sheetData = await googleSheetsServer.getSpreadsheetData(refreshToken, sheetId, 'A1:Z10');
+		const sheetData = await googleSheetsServer.getSpreadsheetData(refreshToken, sheetId, range);
 
 		return json(sheetData);
 	} catch (error) {

src/routes/private/events/event/new/+page.svelte

@@ -172,8 +172,8 @@
 		}
 
 		try {
-			// Use the new unified API endpoint
-			const response = await fetch(`/private/api/google/sheets/${sheet.id}/data`, {
+			// Use the new unified API endpoint, requesting only a preview range
+			const response = await fetch(`/private/api/google/sheets/${sheet.id}/data?range=A1:Z10`, {
 				method: 'GET',
 				headers: {
 					Authorization: `Bearer ${localStorage.getItem('google_refresh_token')}`

src/routes/private/events/event/view/+page.svelte

@@ -115,6 +115,8 @@
 		}
 
 		syncingParticipants = true;
+		const previousCount = participants.length; // Capture count before sync
+
 		try {
 			// Fetch sheet data
 			const response = await fetch(`/private/api/google/sheets/${event.sheet_id}/data`, {
@@ -177,16 +179,23 @@
 
 			// Reload participants
 			await loadParticipants();
-			
-			// Show success message with count of synced participants
-			const previousCount = participants.length;
-			const newCount = names.length;
-			const addedCount = Math.max(0, participants.length - previousCount);
-			
-			toast.success(
-				`Successfully synced participants. ${newCount} entries processed, ${addedCount} new participants added.`,
-				5000
-			);
+
+			// Show success message with accurate count of changes
+			const newCount = participants.length;
+			const diff = newCount - previousCount;
+			const processedCount = names.length;
+
+			let message = `Sync complete. ${processedCount} confirmed entries processed from the sheet.`;
+
+			if (diff > 0) {
+				message += ` ${diff} new participants added.`;
+			} else if (diff < 0) {
+				message += ` ${-diff} participants removed.`;
+			} else {
+				message += ` No changes to the participant list.`;
+			}
+
+			toast.success(message, 6000);
 		} catch (err) {
 			console.error('Error syncing participants:', err);
 			toast.error(`Failed to sync participants: ${err instanceof Error ? err.message : 'Unknown error'}`);