pr review fixes

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

@@ -67,9 +67,6 @@ export default async (req, res) => {
         usage_limit: Validator.number()
           .positive()
           .optional(),
-        usage_count: Validator.number()
-          .positive()
-          .optional(),
       })
       .required(),
     is_disabled: Validator.boolean().default(false),

packages/medusa/src/migrations/1615970124120-discount_usage_count.ts

@@ -1,11 +1,11 @@
 import { MigrationInterface, QueryRunner } from "typeorm"
 
-export class discountUsageCount1615912118791 implements MigrationInterface {
-  name = "discountUsageCount1615912118791"
+export class discountUsageCount1615970124120 implements MigrationInterface {
+  name = "discountUsageCount1615970124120"
 
   public async up(queryRunner: QueryRunner): Promise<void> {
     await queryRunner.query(
-      `ALTER TABLE "discount_rule" ADD "usage_count" integer`
+      `ALTER TABLE "discount_rule" ADD "usage_count" integer NOT NULL DEFAULT '0'`
     )
   }
 

packages/medusa/src/models/discount-rule.ts

@@ -66,7 +66,7 @@ export class DiscountRule {
   @Column({ nullable: true })
   usage_limit: number
 
-  @Column({ nullable: true })
+  @Column({ default: 0 })
   usage_count: number
 
   @CreateDateColumn({ type: "timestamptz" })

packages/medusa/src/services/discount.js

@@ -85,10 +85,21 @@ class DiscountService extends BaseService {
       valid_for: Validator.array().optional(),
       usage_limit: Validator.number()
         .positive()
+        .allow(null)
         .optional(),
       usage_count: Validator.number()
         .positive()
         .optional(),
+      created_at: Validator.date().optional(),
+      updated_at: Validator.date()
+        .allow(null)
+        .optional(),
+      deleted_at: Validator.date()
+        .allow(null)
+        .optional(),
+      metadata: Validator.object()
+        .allow(null)
+        .optional(),
     })
 
     const { value, error } = schema.validate(discountRule)

packages/medusa/src/subscribers/order.js

@@ -48,7 +48,7 @@ class OrderSubscriber {
 
     await Promise.all(
       order.discounts.map(async d => {
-        const usageCount = d?.usage_count || 0
+        const usageCount = d.rule?.usage_count || 0
         return this.discountService_.update(d.id, {
           rule: {
             ...d.rule,