Makes ProductVariant operations go through ProductService (#68)

Ensures that we can reliably manage product variants and their relationship to products

packages/medusa/src/models/__mocks__/order.js

@@ -39,7 +39,7 @@ export const orders = {
         quantity: 10,
       },
     ],
-    region: IdMap.getId("region-france"),
+    region_id: IdMap.getId("region-france"),
     customer_id: IdMap.getId("test-customer"),
     payment_method: {
       provider_id: "default_provider",
@@ -102,7 +102,7 @@ export const orders = {
         quantity: 10,
       },
     ],
-    region: IdMap.getId("region-france"),
+    region_id: IdMap.getId("region-france"),
     customer_id: IdMap.getId("test-customer"),
     payment_method: {
       provider_id: "default_provider",
@@ -182,7 +182,7 @@ export const orders = {
         quantity: 10,
       },
     ],
-    region: IdMap.getId("region-france"),
+    region_id: IdMap.getId("region-france"),
     customer_id: IdMap.getId("test-customer"),
     payment_method: {
       provider_id: "default_provider",

packages/medusa/src/models/__mocks__/product.js

@@ -10,6 +10,13 @@ export const ProductModelMock = {
   }),
   deleteOne: jest.fn().mockReturnValue(Promise.resolve()),
   findOne: jest.fn().mockImplementation(query => {
+    if (query._id === IdMap.getId("fakeId")) {
+      return Promise.resolve({
+        _id: IdMap.getId("fakeId"),
+        title: "Product With Variants",
+        variants: ["1", "2", "3"],
+      })
+    }
     if (query._id === IdMap.getId("productWithFourVariants")) {
       return Promise.resolve({
         _id: IdMap.getId("productWithFourVariants"),

packages/medusa/src/models/cart.js

@@ -8,7 +8,7 @@ import LineItemSchema from "./schemas/line-item"
 import PaymentMethodSchema from "./schemas/payment-method"
 import ShippingMethodSchema from "./schemas/shipping-method"
 import AddressSchema from "./schemas/address"
-import DiscountModel from "./discount"
+import DiscountSchema from "./schemas/discount"
 
 class CartModel extends BaseModel {
   static modelName = "Cart"
@@ -19,7 +19,7 @@ class CartModel extends BaseModel {
     shipping_address: { type: AddressSchema },
     items: { type: [LineItemSchema], default: [] },
     region_id: { type: String, required: true },
-    discounts: { type: [DiscountModel.schema], default: [] },
+    discounts: { type: [DiscountSchema], default: [] },
     customer_id: { type: String, default: "" },
     payment_sessions: { type: [PaymentMethodSchema], default: [] },
     shipping_options: { type: [ShippingMethodSchema], default: [] },

packages/medusa/src/models/order.js

@@ -21,7 +21,7 @@ class OrderModel extends BaseModel {
     billing_address: { type: AddressSchema, required: true },
     shipping_address: { type: AddressSchema, required: true },
     items: { type: [LineItemSchema], required: true },
-    region: { type: String, required: true },
+    region_id: { type: String, required: true },
     discounts: { type: [DiscountModel.schema], default: [] },
     customer_id: { type: String, required: true },
     payment_method: { type: PaymentMethodSchema, required: true },

packages/medusa/src/models/schemas/discount.js

@@ -0,0 +1,14 @@
+import mongoose from "mongoose"
+
+import DiscountRule from "./discount-rule"
+
+export default new mongoose.Schema({
+  code: { type: String },
+  discount_rule: { type: DiscountRule },
+  usage_count: { type: Number },
+  disabled: { type: Boolean },
+  starts_at: { type: Date },
+  ends_at: { type: Date },
+  regions: { type: [String], default: [] },
+  metadata: { type: mongoose.Schema.Types.Mixed, default: {} },
+})