Fixes creating discount with rule

packages/medusa/src/api/routes/admin/discounts/create-discount.js

@@ -7,10 +7,13 @@ export default async (req, res) => {
       .keys({
         description: Validator.string().optional(),
         type: Validator.string().required(),
-        value: Validator.number().required(),
+        value: Validator.number()
+          .positive()
+          .required(),
         allocation: Validator.string().required(),
         valid_for: Validator.array().items(Validator.string()),
         usage_limit: Validator.number().optional(),
+        total_limit: Validator.number().optional(),
       })
       .required(),
     usage_count: Validator.number().optional(),

packages/medusa/src/services/discount.js

@@ -47,9 +47,9 @@ class DiscountService extends BaseService {
   }
 
   /**
-   * Validates discount rules
-   * @param {DiscountRule} discountRule - the discount rule to validate
-   * @return {DiscountRule} the validated discount rule
+   * Creates a discount rule with provided data given that the data is validated.
+   * @param {DiscountRule} discountRule - the discount rule to create
+   * @return {Promise} the result of the create operation
    */
   validateDiscountRule_(discountRule) {
     const schema = Validator.object().keys({
@@ -91,6 +91,14 @@ class DiscountService extends BaseService {
     return discountCode.toUpperCase()
   }
 
+  /**
+   * @param {Object} selector - the query object for find
+   * @return {Promise} the result of the find operation
+   */
+  list(selector) {
+    return this.discountModel_.find(selector)
+  }
+
   /**
    * Creates a discount with provided data given that the data is validated.
    * Normalizes discount code to uppercase.
@@ -98,7 +106,7 @@ class DiscountService extends BaseService {
    * @return {Promise} the result of the create operation
    */
   async create(discount) {
-    await this.validateDiscountRule_(discount.discount_rule)
+    discount.discount_rule = this.validateDiscountRule_(discount.discount_rule)
 
     discount.code = this.normalizeDiscountCode_(discount.code)