Fix issue where email would still be required for personalized vouchers in the backend

Reviewed-on: #18

src/models/tickets/admin/vouchers.admin.router.ts

@@ -129,12 +129,13 @@ vouchersAdminRouter.post('/wildcard', async (req: Request, res: Response) => {
  *                                  type: array
  *                                  items:
  *                                      type: object
- *                                      required: [name, email, eventIds]
+ *                                      required: [name, eventIds]
  *                                      properties:
  *                                          name:
  *                                              type: string
  *                                          email:
  *                                              type: string
+ *                                              description: Optional - a guest can supply their own email when redeeming.
  *                                          eventIds:
  *                                              type: array
  *                                              items:

src/models/tickets/admin/vouchers.admin.service.ts

@@ -123,10 +123,10 @@ export const generatePersonalizedBatch = async (rows: PersonalizedRowInput[], cr
 		throw new Error('at least one row is required');
 	}
 	for (const row of rows) {
-		if (!row.name || !row.email || row.eventIds.length === 0) {
+		if (!row.name || row.eventIds.length === 0) {
-			throw new Error('each row requires a name, email, and at least one eligible event');
+			throw new Error('each row requires a name and at least one eligible event');
 		}
-		if (!isValidEmail(row.email)) {
+		if (row.email && !isValidEmail(row.email)) {
 			throw new Error(`"${row.email}" does not look like a valid email address`);
 		}
 	}
@@ -147,7 +147,7 @@ export const generatePersonalizedBatch = async (rows: PersonalizedRowInput[], cr
 			codes.push(code);
 			await conn.query(
 				'INSERT INTO voucher_codes (code, status, max_guests, prefill_name, prefill_email, batch_id, created_by_email) VALUES (?,?,?,?,?,?,?)',
-				[code, 'UNUSED', row.maxGuests, row.name, row.email, batchId, createdByEmail]
+				[code, 'UNUSED', row.maxGuests, row.name, row.email || null, batchId, createdByEmail]
 			);
 			for (const eventId of row.eventIds) {
 				await conn.query('INSERT INTO voucher_code_events (code, event_id) VALUES (?,?)', [code, eventId]);