Adds addLineItem to cart service; adds canCoverQuantity to product variant service

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

@@ -11,6 +11,34 @@ export const carts = {
     discounts: [],
     customer_id: "",
   },
+  cartWithLine: {
+    _id: IdMap.getId("emptyCart"),
+    title: "test",
+    region: IdMap.getId("testRegion"),
+    items: [
+      {
+        _id: IdMap.getId("existingLine"),
+        title: "merge line",
+        description: "This is a new line",
+        thumbnail: "test-img-yeah.com/thumb",
+        content: {
+          unit_price: 123,
+          variant: {
+            _id: IdMap.getId("can-cover"),
+          },
+          product: {
+            _id: IdMap.getId("product"),
+          },
+          quantity: 1,
+        },
+        quantity: 10,
+      },
+    ],
+    shippingAddress: {},
+    billingAddress: {},
+    discounts: [],
+    customer_id: "",
+  },
 }
 
 export const CartModelMock = {
@@ -23,6 +51,9 @@ export const CartModelMock = {
     if (query._id === IdMap.getId("emptyCart")) {
       return Promise.resolve(carts.emptyCart)
     }
+    if (query._id === IdMap.getId("cartWithLine")) {
+      return Promise.resolve(carts.cartWithLine)
+    }
     return Promise.resolve(undefined)
   }),
 }

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

@@ -28,6 +28,33 @@ export const ProductVariantModelMock = {
     if (query._id === IdMap.getId("failId")) {
       return Promise.reject(new Error("test error"))
     }
+    if (query._id === IdMap.getId("inventory-test")) {
+      return Promise.resolve({
+        _id: IdMap.getId("inventory-test"),
+        title: "inventory",
+        inventory_quantity: 10,
+        allow_backorder: false,
+        manage_inventory: true,
+      })
+    }
+    if (query._id === IdMap.getId("no-inventory-test")) {
+      return Promise.resolve({
+        _id: IdMap.getId("no-inventory-test"),
+        title: "inventory",
+        inventory_quantity: 0,
+        allow_backorder: false,
+        manage_inventory: false,
+      })
+    }
+    if (query._id === IdMap.getId("backorder-test")) {
+      return Promise.resolve({
+        _id: IdMap.getId("backorder-test"),
+        title: "inventory",
+        inventory_quantity: 5,
+        allow_backorder: true,
+        manage_inventory: true,
+      })
+    }
     return Promise.resolve(undefined)
   }),
 }

packages/medusa/src/models/product-variant.js

@@ -15,8 +15,11 @@ class ProductVariantModel extends BaseModel {
     prices: { type: [MoneyAmountSchema], default: [], required: true },
     options: { type: [OptionValueSchema], default: [] },
     image: { type: String, default: "" },
-    metadata: { type: mongoose.Schema.Types.Mixed, default: {} },
     published: { type: Boolean, default: false },
+    inventory_quantity: { type: Number, default: 0 },
+    allow_backorder: { type: Boolean, default: false },
+    manage_inventory: { type: Boolean, default: true },
+    metadata: { type: mongoose.Schema.Types.Mixed, default: {} },
   }
 }
 

packages/medusa/src/models/schemas/line-item.js

@@ -20,6 +20,7 @@ export default new mongoose.Schema({
   // [
   //   {
   //     unit_price: (MoneyAmount),
+  //     quantity: (Number),
   //     variant: (ProductVariantSchema),
   //     product: (ProductSchema)
   //   }