use develop line-item service

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

@@ -90,16 +90,11 @@ class LineItemService extends BaseService {
   }
 
   async generate(variantId, regionId, quantity, config = {}) {
-    return this.atomicPhase_(async (manager) => {
+    const variant = await this.productVariantService_.retrieve(variantId, {
-      const variant = await this.productVariantService_
-        .withTransaction(manager)
-        .retrieve(variantId, {
       relations: ["product"],
     })
 
-      const region = await this.regionService_
+    const region = await this.regionService_.retrieve(regionId)
-        .withTransaction(manager)
-        .retrieve(regionId)
 
     let price
     let shouldMerge = true
@@ -114,9 +109,10 @@ class LineItemService extends BaseService {
         price = config.unit_price
       }
     } else {
-        price = await this.productVariantService_
+      price = await this.productVariantService_.getRegionPrice(
-          .withTransaction(manager)
+        variant.id,
-          .getRegionPrice(variant.id, region.id)
+        region.id
+      )
     }
 
     const toCreate = {
@@ -126,14 +122,13 @@ class LineItemService extends BaseService {
       thumbnail: variant.product.thumbnail,
       variant_id: variant.id,
       quantity: quantity || 1,
-        allow_discounts: variant.product.discountable,
+      allow_discounts: !variant.product.is_giftcard,
       is_giftcard: variant.product.is_giftcard,
       metadata: config?.metadata || {},
       should_merge: shouldMerge,
     }
 
     return toCreate
-    })
   }
 
   /**
@@ -142,7 +137,7 @@ class LineItemService extends BaseService {
    * @return {LineItem} the created line item
    */
   async create(lineItem) {
-    return this.atomicPhase_(async (manager) => {
+    return this.atomicPhase_(async manager => {
       const lineItemRepository = manager.getCustomRepository(
         this.lineItemRepository_
       )
@@ -160,7 +155,7 @@ class LineItemService extends BaseService {
    * @return {LineItem} the update line item
    */
   async update(id, update) {
-    return this.atomicPhase_(async (manager) => {
+    return this.atomicPhase_(async manager => {
       const lineItemRepository = manager.getCustomRepository(
         this.lineItemRepository_
       )
@@ -188,7 +183,7 @@ class LineItemService extends BaseService {
    * @return {Promise} the result of the delete operation
    */
   async delete(id) {
-    return this.atomicPhase_(async (manager) => {
+    return this.atomicPhase_(async manager => {
       const lineItemRepository = manager.getCustomRepository(
         this.lineItemRepository_
       )