Added Sign In with Apple

src/lib/server/auth.ts

@@ -101,6 +101,7 @@ export async function createUser(anonymousId: string, email: string, passwordHas
 		id: anonymousId, // Use anonymousId as the user ID to preserve stats
 		email,
 		passwordHash,
+		appleId: null,
 		firstName: firstName || null,
 		lastName: lastName || null,
 		isPrivate: false
@@ -113,3 +114,48 @@ export async function getUserByEmail(email: string) {
 	const [user] = await db.select().from(table.user).where(eq(table.user.email, email));
 	return user || null;
 }
+
+export async function getUserByAppleId(appleId: string) {
+	const [user] = await db.select().from(table.user).where(eq(table.user.appleId, appleId));
+	return user || null;
+}
+
+export async function migrateAnonymousStats(anonymousId: string | undefined, userId: string) {
+	if (!anonymousId || anonymousId === userId) return;
+
+	try {
+		const { dailyCompletions } = await import('$lib/server/db/schema');
+
+		const anonCompletions = await db
+			.select()
+			.from(dailyCompletions)
+			.where(eq(dailyCompletions.anonymousId, anonymousId));
+
+		const userCompletions = await db
+			.select()
+			.from(dailyCompletions)
+			.where(eq(dailyCompletions.anonymousId, userId));
+
+		const userDates = new Set(userCompletions.map((c) => c.date));
+
+		let migrated = 0;
+		let skipped = 0;
+
+		for (const completion of anonCompletions) {
+			if (!userDates.has(completion.date)) {
+				await db
+					.update(dailyCompletions)
+					.set({ anonymousId: userId })
+					.where(eq(dailyCompletions.id, completion.id));
+				migrated++;
+			} else {
+				await db.delete(dailyCompletions).where(eq(dailyCompletions.id, completion.id));
+				skipped++;
+			}
+		}
+
+		console.log(`Migration complete: ${migrated} moved, ${skipped} duplicates removed`);
+	} catch (error) {
+		console.error('Error migrating anonymous stats:', error);
+	}
+}