Refactor order parser and add shared order support to new portal

1 files changed, 33 insertions, 0 deletions

diff --git a/packages/website/ts/utils/order_parser.ts b/packages/website/ts/utils/order_parser.ts
new file mode 100644
index 000000000..be08da80e
--- /dev/null
+++ b/packages/website/ts/utils/order_parser.ts
@@ -0,0 +1,33 @@
+import { logUtils } from '@0xproject/utils';
+import * as _ from 'lodash';
+
+import { portalOrderSchema } from 'ts/schemas/portal_order_schema';
+import { validator } from 'ts/schemas/validator';
+import { Order } from 'ts/types';
+
+export const orderParser = {
+    parse(queryString: string): Order | undefined {
+        if (queryString.length === 0) {
+            return undefined;
+        }
+        const queryParams = queryString.substring(1).split('&');
+        const orderQueryParam = _.find(queryParams, queryParam => {
+            const queryPair = queryParam.split('=');
+            return queryPair[0] === 'order';
+        });
+        if (_.isUndefined(orderQueryParam)) {
+            return undefined;
+        }
+        const orderPair = orderQueryParam.split('=');
+        if (orderPair.length !== 2) {
+            return undefined;
+        }
+        const order = JSON.parse(decodeURIComponent(orderPair[1]));
+        const validationResult = validator.validate(order, portalOrderSchema);
+        if (validationResult.errors.length > 0) {
+            logUtils.log(`Invalid shared order: ${validationResult.errors}`);
+            return undefined;
+        }
+        return order;
+    },
+};