grap line item from develop

packages/medusa/src/services/line-item.js

@@ -90,11 +90,16 @@ class LineItemService extends BaseService {
   }
 
   async generate(variantId, regionId, quantity, config = {}) {
-    const variant = await this.productVariantService_.retrieve(variantId, {
+    return this.atomicPhase_(async manager => {
+      const variant = await this.productVariantService_
+        .withTransaction(manager)
+        .retrieve(variantId, {
           relations: ["product"],
         })
 
-    const region = await this.regionService_.retrieve(regionId)
+      const region = await this.regionService_
+        .withTransaction(manager)
+        .retrieve(regionId)
 
       let price
       let shouldMerge = true
@@ -109,10 +114,9 @@ class LineItemService extends BaseService {
           price = config.unit_price
         }
       } else {
-      price = await this.productVariantService_.getRegionPrice(
+        price = await this.productVariantService_
-        variant.id,
+          .withTransaction(manager)
-        region.id
+          .getRegionPrice(variant.id, region.id)
-      )
       }
 
       const toCreate = {
@@ -122,13 +126,14 @@ class LineItemService extends BaseService {
         thumbnail: variant.product.thumbnail,
         variant_id: variant.id,
         quantity: quantity || 1,
-      allow_discounts: !variant.product.is_giftcard,
+        allow_discounts: variant.product.discountable,
         is_giftcard: variant.product.is_giftcard,
         metadata: config?.metadata || {},
         should_merge: shouldMerge,
       }
 
       return toCreate
+    })
   }
 
   /**