feat: get lowest offer listings for asin

ScaleLeap · May 28, 2020 · 8981198 · 8981198
1 parent b0095e3
commit 8981198
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Showing 3 changed files with 165 additions and 7 deletions.
diff --git a/src/sections/products.ts b/src/sections/products.ts
@@ -156,7 +156,7 @@ interface ListMatchingProductsRequestParameters {
 
 const Product = record(string, unknown)
 
-const SingleProductCodec = Codec.interface({
+const SingleProductInterface = Codec.interface({
   Product,
 })
 
@@ -178,7 +178,7 @@ interface GetMatchingProductParameters {
   [key: string]: string[] | string
 }
 
-const GetMatchingProductResult = ensureArray('GetMatchingProductResult', SingleProductCodec)
+const GetMatchingProductResult = ensureArray('GetMatchingProductResult', SingleProductInterface)
 
 const GetMatchingProductResponse = Codec.interface({
   GetMatchingProductResponse: GetMatchingProductResult,
@@ -216,7 +216,7 @@ interface GetCompetitivePricingForSkuParameters {
 
 const GetCompetitivePricingForSKUResult = ensureArray(
   'GetCompetitivePricingForSKUResult',
-  SingleProductCodec,
+  SingleProductInterface,
 )
 
 type GetCompetitivePricingForSKUResult = GetInterface<typeof GetCompetitivePricingForSKUResult>
@@ -227,7 +227,7 @@ const GetCompetitivePricingForSKUResponse = Codec.interface({
 
 const GetCompetitivePricingForASINResult = ensureArray(
   'GetCompetitivePricingForASINResult',
-  SingleProductCodec,
+  SingleProductInterface,
 )
 
 type GetCompetitivePricingForASINResult = GetInterface<typeof GetCompetitivePricingForASINResult>
@@ -264,6 +264,26 @@ const GetLowestOfferListingsForSKUResponse = Codec.interface({
 
 type GetLowestOfferListingsForSKUResult = GetInterface<typeof GetLowestOfferListingsForSKUResult>
 
+interface GetLowestOfferListingsForAsinParameters {
+  ASINList: string[]
+  MarketplaceId: string
+  ItemCondition?: ItemCondition
+}
+
+const GetLowestOfferListingsForASINResult = ensureArray(
+  'GetLowestOfferListingsForASINResult',
+  Codec.interface({
+    AllOfferListingsConsidered: boolean,
+    Product,
+  }),
+)
+
+type GetLowestOfferListingsForASINResult = GetInterface<typeof GetLowestOfferListingsForASINResult>
+
+const GetLowestOfferListingsForASINResponse = Codec.interface({
+  GetLowestOfferListingsForASINResponse: GetLowestOfferListingsForASINResult,
+})
+
 export class Products {
   constructor(private httpClient: HttpClient) {}
 
@@ -409,4 +429,26 @@ export class Products {
       },
     })
   }
+
+  async getLowestOfferListingsForAsin(
+    parameters: GetLowestOfferListingsForAsinParameters,
+  ): Promise<[GetLowestOfferListingsForASINResult, RequestMeta]> {
+    const [response, meta] = await this.httpClient.request('POST', {
+      resource: Resource.Products,
+      version: PRODUCTS_API_VERSION,
+      action: 'GetLowestOfferListingsForASIN',
+      parameters: {
+        'ASINList.ASIN': parameters.ASINList,
+        MarketplaceId: parameters.MarketplaceId,
+        ItemCondition: parameters.ItemCondition,
+      },
+    })
+
+    return GetLowestOfferListingsForASINResponse.decode(response).caseOf({
+      Right: (x) => [x.GetLowestOfferListingsForASINResponse, meta],
+      Left: (error) => {
+        throw new ParsingError(error)
+      },
+    })
+  }
 }
diff --git a/test/unit/__snapshots__/products.test.ts.snap b/test/unit/__snapshots__/products.test.ts.snap
@@ -153,6 +153,122 @@ Array [
 ]
 `;
 
+exports[`products getLowestOfferListingsForAsin returns product and lowest offer listings when response is valid 1`] = `
+Array [
+  Array [
+    Object {
+      "AllOfferListingsConsidered": true,
+      "Product": Object {
+        "Identifiers": Object {
+          "MarketplaceASIN": Object {
+            "ASIN": "B002KT3XQM",
+            "MarketplaceId": "ATVPDKIKX0DER",
+          },
+        },
+        "LowestOfferListings": Object {
+          "LowestOfferListing": Array [
+            Object {
+              "MultipleOffersAtLowestPrice": "False",
+              "NumberOfOfferListingsConsidered": 1,
+              "Price": Object {
+                "LandedPrice": Object {
+                  "Amount": 32.99,
+                  "CurrencyCode": "USD",
+                },
+                "ListingPrice": Object {
+                  "Amount": 28,
+                  "CurrencyCode": "USD",
+                },
+                "Shipping": Object {
+                  "Amount": 4.99,
+                  "CurrencyCode": "USD",
+                },
+              },
+              "Qualifiers": Object {
+                "FulfillmentChannel": "Merchant",
+                "ItemCondition": "Used",
+                "ItemSubcondition": "VeryGood",
+                "SellerPositiveFeedbackRating": "90-94%",
+                "ShippingTime": Object {
+                  "Max": "0-2 days",
+                },
+                "ShipsDomestically": "True",
+              },
+              "SellerFeedbackCount": 762,
+            },
+            Object {
+              "MultipleOffersAtLowestPrice": "False",
+              "NumberOfOfferListingsConsidered": 1,
+              "Price": Object {
+                "LandedPrice": Object {
+                  "Amount": 34.27,
+                  "CurrencyCode": "USD",
+                },
+                "ListingPrice": Object {
+                  "Amount": 34.27,
+                  "CurrencyCode": "USD",
+                },
+                "Shipping": Object {
+                  "Amount": 0,
+                  "CurrencyCode": "USD",
+                },
+              },
+              "Qualifiers": Object {
+                "FulfillmentChannel": "Amazon",
+                "ItemCondition": "New",
+                "ItemSubcondition": "New",
+                "SellerPositiveFeedbackRating": "98-100%",
+                "ShippingTime": Object {
+                  "Max": "0-2 days",
+                },
+                "ShipsDomestically": "True",
+              },
+              "SellerFeedbackCount": 181744,
+            },
+            Object {
+              "MultipleOffersAtLowestPrice": "False",
+              "NumberOfOfferListingsConsidered": 1,
+              "Price": Object {
+                "LandedPrice": Object {
+                  "Amount": 41.18,
+                  "CurrencyCode": "USD",
+                },
+                "ListingPrice": Object {
+                  "Amount": 41.18,
+                  "CurrencyCode": "USD",
+                },
+                "Shipping": Object {
+                  "Amount": 0,
+                  "CurrencyCode": "USD",
+                },
+              },
+              "Qualifiers": Object {
+                "FulfillmentChannel": "Amazon",
+                "ItemCondition": "New",
+                "ItemSubcondition": "New",
+                "SellerPositiveFeedbackRating": "95-97%",
+                "ShippingTime": Object {
+                  "Max": "0-2 days",
+                },
+                "ShipsDomestically": "True",
+              },
+              "SellerFeedbackCount": 13213,
+            },
+          ],
+        },
+      },
+    },
+  ],
+  Object {
+    "quotaMax": 1000,
+    "quotaRemaining": 999,
+    "quotaResetOn": "2020-04-06T10:22:23.582Z",
+    "requestId": "0",
+    "timestamp": "2020-05-06T09:22:23.582Z",
+  },
+]
+`;
+
 exports[`products getLowestOfferListingsForSku returns product and lowest offer listings when response is valid 1`] = `
 Array [
   Array [

diff --git a/test/unit/products.test.ts b/test/unit/products.test.ts
@@ -114,9 +114,9 @@ describe('products', () => {
     it("throws an error when the response isn't valid", async () => {
       expect.assertions(1)
 
-      await expect(() => {
-        mockMwsFail.products.getLowestOfferListingsForAsin(parameters)
-      }).rejects.toStrictEqual(new ParsingError(parsingError))
+      await expect(() =>
+        mockMwsFail.products.getLowestOfferListingsForAsin(parameters),
+      ).rejects.toStrictEqual(new ParsingError(parsingError))
     })
   })