hotfix(medusa): shipping option metadata (#110)

* hotfix(medusa): allow metadata update of shipping options

* fix: typo

packages/medusa/src/api/routes/admin/shipping-options/update-shipping-option.js

@@ -1,3 +1,4 @@
+import _ from "lodash"
 import { MedusaError, Validator } from "medusa-core-utils"
 
 export default async (req, res) => {
@@ -18,6 +19,7 @@ export default async (req, res) => {
         })
       )
       .optional(),
+    metadata: Validator.object().optional(),
   })
 
   const { value, error } = schema.validate(req.body)
@@ -27,7 +29,16 @@ export default async (req, res) => {
 
   try {
     const optionService = req.scope.resolve("shippingOptionService")
+    if (!_.isEmpty(value.metadata)) {
+      for (let key of Object.keys(value.metadata)) {
+        await optionService.setMetadata(option_id, key, value.metadata[key])
+      }
+
+      delete value.metadata
+    }
+
     const data = await optionService.update(option_id, value)
+
     res.status(200).json({ shipping_option: data })
   } catch (err) {
     throw err

packages/medusa/src/services/shipping-option.js

@@ -226,7 +226,7 @@ class ShippingOptionService extends BaseService {
    * Validates a shipping option price
    * @param {ShippingOptionPrice} price - the price to validate
    * @param {ShippingOption} option - the option to validate against
-   * @return {ShippingOptionPrice} the validated price
+   * @return {Promise<ShippingOptionPrice>} the validated price
    */
   async validatePrice_(price, option) {
     if (