Bulk product export to CMS providers (#351)

* Add sync all channel products feature

* Implement batch create and delete product variants CMSes sync methods

* Fix pnpm-lock file

* Update UI

* Update imports

* Add fetch rate limit to Contentful provider

* Small refactor of functions

* Update logging

apps/cms/CONTRIBUTING.md

@@ -81,7 +81,7 @@ const payloadOperations: CreateOperations<PayloadConfig> = (config) => {
 } // This is where you write logic for all the supported operations (e.g. creating a product). This function runs only if the config was successfully validated.
 
 
-export default createProvider(payloadOperations, payloadConfigSchema); // `createProvider` combines everything together.
+export const payloadProvider =  createProvider(payloadOperations, payloadConfigSchema); // `createProvider` combines everything together.
 ```
 
 5. Implement the operations:

apps/cms/docs/contentful.md

@@ -12,3 +12,4 @@ Here is the list of the tokens and instructions on how to obtain them:
 - `spaceId`: id of the Contentful space. To find it, go to _Settings -> General settings_ in the Contentful dashboard.
 - `contentId`: the id of the content model. To obtain it, go to _Content model_ and to the view of a single product in your Contentful dashboard. Your URL may look something like: "https://app.contentful.com/spaces/xxxx/content_types/product/fields". Then, look to the right side of the screen. You will find a copyable "CONTENT TYPE ID" box there.
 - `locale`: the localization code for your content. E.g.: `en-US`.
+- `apiRequestsPerSecond`: API rate limits (API requests per second). The default is 7. Used in bulk products variants sync. Higher rate limits may speed up a little products variants bulk sync. Higher rate limit may apply depending on different Contentful plan, learn more at https://www.contentful.com/developers/docs/references/content-management-api/#/introduction/api-rate-limits.

apps/cms/graphql/queries/ProductsData.graphql

@@ -0,0 +1,13 @@
+query ProductsDataForImport($first: Int, $channel: String, $after: String) {
+  products(first: $first, channel: $channel, after: $after) {
+    pageInfo {
+      hasNextPage
+      endCursor
+    }
+    edges {
+      node {
+        ...WebhookProduct
+      }
+    }
+  }
+}

apps/cms/package.json

@@ -21,6 +21,7 @@
     "@material-ui/icons": "^4.11.3",
     "@material-ui/lab": "4.0.0-alpha.61",
     "@saleor/app-sdk": "0.37.1",
+    "@saleor/apps-shared": "workspace:*",
     "@saleor/macaw-ui": "^0.6.7",
     "@sentry/nextjs": "^7.43.0",
     "@urql/exchange-auth": "^1.0.0",
@@ -38,8 +39,7 @@
     "usehooks-ts": "^2.9.1",
     "uuid": "^9.0.0",
     "vite": "^4.1.4",
-    "zod": "^3.19.1",
-    "@saleor/apps-shared": "workspace:*"
+    "zod": "^3.19.1"
   },
   "devDependencies": {
     "@graphql-codegen/cli": "2.13.3",

apps/cms/src/lib/cms/client/clients-execution.ts

@@ -2,7 +2,7 @@ import {
   ProductVariantUpdatedWebhookPayloadFragment,
   WebhookProductVariantFragment,
 } from "../../../../generated/graphql";
-import { CmsClientOperations } from "../types";
+import { CmsClientBatchOperations, CmsClientOperations, ProductResponseSuccess } from "../types";
 import { getCmsIdFromSaleorItem } from "./metadata";
 import { logger as pinoLogger } from "../../logger";
 
@@ -104,6 +104,121 @@ const executeCmsClientOperation = async ({
   }
 };
 
+interface CmsClientBatchOperationResult {
+  createdCmsIds?: ProductResponseSuccess["data"][];
+  deletedCmsIds?: ProductResponseSuccess["data"][];
+  error?: string;
+}
+
+export const executeCmsClientBatchOperation = async ({
+  cmsClient,
+  productsVariants,
+  verifyIfProductVariantIsAvailableInOtherChannelEnabledForSelectedProviderInstance,
+}: {
+  cmsClient: CmsClientBatchOperations;
+  productsVariants: WebhookProductVariantFragment[];
+  /**
+   * Lookup function with purposely long name like in Java Spring ORM to verify condition against unintended deletion of product variant from CMS.
+   * On purpose passed as an argument, for inversion of control.
+   */
+  verifyIfProductVariantIsAvailableInOtherChannelEnabledForSelectedProviderInstance: (
+    productVariant: WebhookProductVariantFragment
+  ) => boolean;
+}): Promise<CmsClientBatchOperationResult | undefined> => {
+  const logger = pinoLogger.child({ cmsClient });
+  logger.debug({ operations: cmsClient.operations }, "Execute CMS client operation called");
+
+  if (cmsClient.operationType === "createBatchProducts") {
+    const productsVariansToCreate = productsVariants.reduce<WebhookProductVariantFragment[]>(
+      (productsVariansToCreate, productVariant) => {
+        const cmsId = getCmsIdFromSaleorItem(productVariant, cmsClient.cmsProviderInstanceId);
+
+        if (!cmsId) {
+          return [...productsVariansToCreate, productVariant];
+        }
+
+        return productsVariansToCreate;
+      },
+      [] as WebhookProductVariantFragment[]
+    );
+
+    if (productsVariansToCreate.length) {
+      logger.debug("CMS creating batch items called");
+
+      try {
+        const createBatchProductsResponse = await cmsClient.operations.createBatchProducts({
+          input: productsVariansToCreate.map((productVariant) => ({
+            saleorId: productVariant.id,
+            sku: productVariant.sku,
+            name: productVariant.name,
+            image: productVariant.product.media?.[0]?.url ?? "",
+            productId: productVariant.product.id,
+            productName: productVariant.product.name,
+            productSlug: productVariant.product.slug,
+            channels: productVariant.channelListings?.map((cl) => cl.channel.slug) || [],
+          })),
+        });
+
+        return {
+          createdCmsIds:
+            createBatchProductsResponse
+              ?.filter((item) => item.ok && "data" in item)
+              .map((item) => (item as ProductResponseSuccess).data) || [],
+        };
+      } catch (error) {
+        logger.error({ error }, "Error creating batch items");
+
+        return {
+          error: "Error creating batch items.",
+        };
+      }
+    }
+  }
+
+  if (cmsClient.operationType === "deleteBatchProducts") {
+    const CMSIdsToRemove = productsVariants.reduce((CMSIdsToRemove, productVariant) => {
+      const cmsId = getCmsIdFromSaleorItem(productVariant, cmsClient.cmsProviderInstanceId);
+
+      const productVariantIsAvailableInOtherChannelEnabledForSelectedProviderInstance =
+        verifyIfProductVariantIsAvailableInOtherChannelEnabledForSelectedProviderInstance(
+          productVariant
+        );
+
+      if (cmsId && !productVariantIsAvailableInOtherChannelEnabledForSelectedProviderInstance) {
+        return [
+          ...CMSIdsToRemove,
+          {
+            id: cmsId,
+            saleorId: productVariant.id,
+          },
+        ];
+      }
+
+      return CMSIdsToRemove;
+    }, [] as ProductResponseSuccess["data"][]);
+
+    if (CMSIdsToRemove.length) {
+      logger.debug("CMS removing batch items called");
+
+      try {
+        await cmsClient.operations.deleteBatchProducts({
+          ids: CMSIdsToRemove.map((item) => item.id),
+        });
+
+        return {
+          deletedCmsIds: CMSIdsToRemove,
+        };
+      } catch (error) {
+        logger.error({ error }, "Error removing batch items");
+
+        return {
+          error: "Error removing batch items.",
+        };
+      }
+    }
+  }
+};
+
 export const executeCmsOperations = async ({
   cmsOperations,
   productVariant,

apps/cms/src/lib/cms/client/clients-operations.ts

@@ -33,8 +33,10 @@ export const createCmsOperations = async ({
 
   const settingsManager = createSettingsManager(client);
 
-  const channelsSettingsParsed = await getChannelsSettings(settingsManager);
-  const providerInstancesSettingsParsed = await getProviderInstancesSettings(settingsManager);
+  const [channelsSettingsParsed, providerInstancesSettingsParsed] = await Promise.all([
+    getChannelsSettings(settingsManager),
+    getProviderInstancesSettings(settingsManager),
+  ]);
 
   const productVariantCmsProviderInstances = productVariantCmsKeys.map((cmsKey) =>
     getCmsIdFromSaleorItemKey(cmsKey)

apps/cms/src/lib/cms/client/index.ts

@@ -1,3 +1,3 @@
 export { createCmsOperations } from "./clients-operations";
 export { executeCmsOperations } from "./clients-execution";
-export { executeMetadataUpdate } from "./metadata-execution";
+export { updateMetadata, batchUpdateMetadata } from "./metadata-execution";

apps/cms/src/lib/cms/client/metadata-execution.ts

@@ -1,4 +1,5 @@
 import { NextWebhookApiHandler } from "@saleor/app-sdk/handlers/next";
+import { Client } from "urql";
 import {
   DeleteMetadataDocument,
   UpdateMetadataDocument,
@@ -9,7 +10,45 @@ import { createCmsKeyForSaleorItem } from "./metadata";
 
 type WebhookContext = Parameters<NextWebhookApiHandler>["2"];
 
-export const executeMetadataUpdate = async ({
+export type MetadataRecord = Record<string, string>;
+
+const executeMetadataUpdateMutation = async ({
+  apiClient,
+  itemId,
+  cmsProviderInstanceIdsToCreate = {},
+  cmsProviderInstanceIdsToDelete = {},
+}: {
+  apiClient: Client;
+  itemId: string;
+  cmsProviderInstanceIdsToCreate?: Record<string, string>;
+  cmsProviderInstanceIdsToDelete?: Record<string, string>;
+}) => {
+  if (Object.keys(cmsProviderInstanceIdsToCreate).length) {
+    await apiClient
+      .mutation(UpdateMetadataDocument, {
+        id: itemId,
+        input: Object.entries(cmsProviderInstanceIdsToCreate).map(
+          ([cmsProviderInstanceId, cmsProductVariantId]) => ({
+            key: createCmsKeyForSaleorItem(cmsProviderInstanceId),
+            value: cmsProductVariantId,
+          })
+        ),
+      })
+      .toPromise();
+  }
+  if (Object.keys(cmsProviderInstanceIdsToDelete).length) {
+    await apiClient
+      .mutation(DeleteMetadataDocument, {
+        id: itemId,
+        keys: Object.entries(cmsProviderInstanceIdsToDelete).map(([cmsProviderInstanceId]) =>
+          createCmsKeyForSaleorItem(cmsProviderInstanceId)
+        ),
+      })
+      .toPromise();
+  }
+};
+
+export const updateMetadata = async ({
   context,
   productVariant,
   cmsProviderInstanceIdsToCreate,
@@ -23,27 +62,70 @@ export const executeMetadataUpdate = async ({
   const { token, saleorApiUrl } = context.authData;
   const apiClient = createClient(saleorApiUrl, async () => ({ token }));
 
-  if (Object.keys(cmsProviderInstanceIdsToCreate).length) {
-    await apiClient
-      .mutation(UpdateMetadataDocument, {
-        id: productVariant.id,
-        input: Object.entries(cmsProviderInstanceIdsToCreate).map(
-          ([cmsProviderInstanceId, cmsProductVariantId]) => ({
-            key: createCmsKeyForSaleorItem(cmsProviderInstanceId),
-            value: cmsProductVariantId,
-          })
-        ),
-      })
-      .toPromise();
-  }
-  if (Object.keys(cmsProviderInstanceIdsToDelete).length) {
-    await apiClient
-      .mutation(DeleteMetadataDocument, {
-        id: productVariant.id,
-        keys: Object.entries(cmsProviderInstanceIdsToDelete).map(([cmsProviderInstanceId]) =>
-          createCmsKeyForSaleorItem(cmsProviderInstanceId)
-        ),
-      })
-      .toPromise();
-  }
+  await executeMetadataUpdateMutation({
+    apiClient,
+    itemId: productVariant.id,
+    cmsProviderInstanceIdsToCreate,
+    cmsProviderInstanceIdsToDelete,
+  });
+};
+
+type ItemMetadataRecord = {
+  id: string;
+  cmsProviderInstanceIds: MetadataRecord;
+};
+
+export const batchUpdateMetadata = async ({
+  context,
+  variantCMSProviderInstanceIdsToCreate,
+  variantCMSProviderInstanceIdsToDelete,
+}: {
+  context: Pick<WebhookContext, "authData">;
+  variantCMSProviderInstanceIdsToCreate: ItemMetadataRecord[];
+  variantCMSProviderInstanceIdsToDelete: ItemMetadataRecord[];
+}) => {
+  const { token, saleorApiUrl } = context.authData;
+  const apiClient = createClient(saleorApiUrl, async () => ({ token }));
+
+  const variantCMSProviderInstanceIdsToCreateMap = variantCMSProviderInstanceIdsToCreate.reduce(
+    (acc, { id, cmsProviderInstanceIds }) => ({
+      ...acc,
+      [id]: {
+        ...(acc[id] || {}),
+        ...cmsProviderInstanceIds,
+      },
+    }),
+    {} as Record<string, MetadataRecord>
+  );
+  const variantCMSProviderInstanceIdsToDeleteMap = variantCMSProviderInstanceIdsToDelete.reduce(
+    (acc, { id, cmsProviderInstanceIds }) => ({
+      ...acc,
+      [id]: {
+        ...(acc[id] || {}),
+        ...cmsProviderInstanceIds,
+      },
+    }),
+    {} as Record<string, MetadataRecord>
+  );
+
+  const mutationsToExecute = [
+    Object.entries(variantCMSProviderInstanceIdsToCreateMap).map(
+      ([itemId, cmsProviderInstanceIdsToCreate]) =>
+        executeMetadataUpdateMutation({
+          apiClient,
+          itemId,
+          cmsProviderInstanceIdsToCreate,
+        })
+    ),
+    Object.entries(variantCMSProviderInstanceIdsToDeleteMap).map(
+      ([itemId, cmsProviderInstanceIdsToDelete]) =>
+        executeMetadataUpdateMutation({
+          apiClient,
+          itemId,
+          cmsProviderInstanceIdsToDelete,
+        })
+    ),
+  ];
+
+  await Promise.all(mutationsToExecute);
 };

apps/cms/src/lib/cms/config/channels.ts

@@ -10,6 +10,7 @@ export type ChannelCommonSchema = z.infer<typeof channelCommonSchema>;
 export const channelSchema = z
   .object({
     enabledProviderInstances: z.array(z.string()),
+    requireSyncProviderInstances: z.array(z.string()).optional(),
   })
   .merge(channelCommonSchema);
 

apps/cms/src/lib/cms/config/providers.ts

@@ -67,6 +67,12 @@ export const providersConfig = {
         helpText:
           "Content management API URL of your Contentful project. If you leave this blank, default https://api.contentful.com will be used.",
       },
+      {
+        name: "apiRequestsPerSecond",
+        label: "API requests per second",
+        helpText:
+          "API rate limits. Default 7. Used in bulk products variants sync. Higher rate limits may speed up a little products variants bulk sync. Higher rate limit may apply depending on different Contentful plan, learn more at https://www.contentful.com/developers/docs/references/content-management-api/#/introduction/api-rate-limits.",
+      },
     ],
   },
   strapi: {
@@ -152,6 +158,7 @@ export const contentfulConfigSchema = z.object({
   locale: z.string().min(1),
   contentId: z.string().min(1),
   baseUrl: z.string(),
+  apiRequestsPerSecond: z.string(),
 });
 
 export const datocmsConfigSchema = z.object({

apps/cms/src/lib/cms/data-sync.ts

@@ -0,0 +1,16 @@
+export const fetchWithRateLimit = async <A, R>(
+  args: A[],
+  fun: (arg: A) => Promise<R>,
+  requestPerSecondLimit: number
+) => {
+  const delay = 1000 / requestPerSecondLimit;
+  const results: Promise<R>[] = [];
+
+  for (const arg of args) {
+    const result = fun(arg);
+    results.push(result);
+    await new Promise((resolve) => setTimeout(resolve, delay));
+  }
+
+  return await Promise.all(results);
+};

apps/cms/src/lib/cms/providers/contentful.ts

@@ -2,8 +2,9 @@ import { v4 as uuidv4 } from "uuid";
 import { ContentfulConfig, contentfulConfigSchema } from "../config";
 import { logger as pinoLogger } from "../../logger";
 
-import { CreateOperations, CreateProductResponse, ProductInput } from "../types";
+import { CreateOperations, ProductResponse, ProductInput } from "../types";
 import { createProvider } from "./create";
+import { fetchWithRateLimit } from "../data-sync";
 
 const contentfulFetch = (endpoint: string, config: ContentfulConfig, options?: RequestInit) => {
   const baseUrl = config.baseUrl || "https://api.contentful.com";
@@ -30,6 +31,8 @@ type ContentfulResponse = {
     id: string;
     version?: number;
   };
+  statusCode: number;
+  input: ProductInput;
 };
 
 const transformInputToBody = ({
@@ -64,7 +67,7 @@ const transformInputToBody = ({
   return body;
 };
 
-const transformCreateProductResponse = (response: ContentfulResponse): CreateProductResponse => {
+const transformCreateProductResponse = (response: ContentfulResponse): ProductResponse => {
   if (response.message) {
     return {
       ok: false,
@@ -76,6 +79,7 @@ const transformCreateProductResponse = (response: ContentfulResponse): CreatePro
     ok: true,
     data: {
       id: response.sys.id,
+      saleorId: response.input.saleorId,
     },
   };
 };
@@ -93,66 +97,140 @@ const getEntryEndpoint = ({
 const contentfulOperations: CreateOperations<ContentfulConfig> = (config) => {
   const logger = pinoLogger.child({ cms: "strapi" });
 
-  const { environment, spaceId, contentId, locale } = config;
+  const { environment, spaceId, contentId, locale, apiRequestsPerSecond } = config;
+
+  const requestPerSecondLimit = Number(apiRequestsPerSecond || 7);
+
+  const createProductInCMS = async (input: ProductInput): Promise<ContentfulResponse> => {
+    // Contentful API does not auto generate resource ID during creation, it has to be provided.
+    const resourceId = uuidv4();
+    const body = transformInputToBody({ input, locale });
+    const endpoint = getEntryEndpoint({
+      resourceId,
+      environment,
+      spaceId,
+    });
+    const response = await contentfulFetch(endpoint, config, {
+      method: "PUT",
+      body: JSON.stringify(body),
+      headers: {
+        "X-Contentful-Content-Type": contentId,
+      },
+    });
+    logger.debug({ response }, "createProduct response");
+    const json = await response.json();
+    return {
+      ...json,
+      statusCode: response.status,
+      input,
+    };
+  };
+
+  const updateProductInCMS = async (id: string, input: ProductInput) => {
+    const body = transformInputToBody({ input, locale });
+    const endpoint = getEntryEndpoint({
+      resourceId: id,
+      environment,
+      spaceId,
+    });
+
+    const getEntryResponse = await contentfulFetch(endpoint, config, { method: "GET" });
+    logger.debug({ getEntryResponse }, "updateProduct getEntryResponse");
+    const entry = await getEntryResponse.json();
+    logger.debug({ entry }, "updateProduct entry");
+
+    const response = await contentfulFetch(endpoint, config, {
+      method: "PUT",
+      body: JSON.stringify(body),
+      headers: {
+        "X-Contentful-Version": entry.sys.version,
+      },
+    });
+    logger.debug({ response }, "updateProduct response");
+    const json = await response.json();
+    return {
+      ...json,
+      statusCode: response.status,
+    };
+  };
+
+  const deleteProductInCMS = async (id: string) => {
+    const endpoint = getEntryEndpoint({ resourceId: id, environment, spaceId });
+
+    return await contentfulFetch(endpoint, config, { method: "DELETE" });
+  };
+
+  const createBatchProductsInCMS = async (input: ProductInput[]) => {
+    // Contentful doesn't support batch creation of items, so we need to create them one by one
+
+    // Take into account rate limit
+    const firstResults = await fetchWithRateLimit(input, createProductInCMS, requestPerSecondLimit);
+    const failedWithLimitResults = firstResults.filter((result) => result.statusCode === 429);
+
+    // Retry with delay x2 if by any chance hit rate limit with HTTP 429
+    let secondResults: ContentfulResponse[] = [];
+    if (failedWithLimitResults.length > 0) {
+      logger.debug("createBatchProductsInCMS retrying failed by rate limit with delay x2");
+      secondResults = await fetchWithRateLimit(
+        failedWithLimitResults,
+        (result) => createProductInCMS(result.input),
+        requestPerSecondLimit / 2
+      );
+    }
+
+    return [...firstResults.filter((result) => result.statusCode !== 429), ...secondResults];
+  };
+
+  const deleteBatchProductsInCMS = async (ids: string[]) => {
+    // Contentful doesn't support batch deletion of items, so we need to delete them one by one
+
+    // Take into account rate limit
+    const firstResults = await fetchWithRateLimit(ids, deleteProductInCMS, requestPerSecondLimit);
+    const failedWithLimitResults = firstResults.filter((result) => result.status === 429);
+
+    // Retry with delay x2 if by any chance hit rate limit with HTTP 429
+    let secondResults: Response[] = [];
+    if (failedWithLimitResults.length > 0) {
+      logger.debug("deleteBatchProductsInCMS retrying failed by rate limit with delay x2");
+      secondResults = await fetchWithRateLimit(
+        failedWithLimitResults,
+        (result) => deleteProductInCMS(result.url),
+        requestPerSecondLimit / 2
+      );
+    }
+
+    return [...firstResults.filter((result) => result.status !== 429), ...secondResults];
+  };
 
   return {
-    createProduct: async (params) => {
-      // Contentful API does not auto generate resource ID during creation, it has to be provided.
-      const resourceId = uuidv4();
-      const body = transformInputToBody({ input: params.input, locale });
-      const endpoint = getEntryEndpoint({
-        resourceId,
-        environment,
-        spaceId,
-      });
-
-      const response = await contentfulFetch(endpoint, config, {
-        method: "PUT",
-        body: JSON.stringify(body),
-        headers: {
-          "X-Contentful-Content-Type": contentId,
-        },
-      });
-      logger.debug("createProduct response", { response });
-      const result = await response.json();
-      logger.debug("createProduct result", { result });
+    createProduct: async ({ input }) => {
+      const result = await createProductInCMS(input);
+      logger.debug({ result }, "createProduct result");
 
       return transformCreateProductResponse(result);
     },
     updateProduct: async ({ id, input }) => {
-      const body = transformInputToBody({ input, locale });
-      const endpoint = getEntryEndpoint({
-        resourceId: id,
-        environment,
-        spaceId,
-      });
-
-      const getEntryResponse = await contentfulFetch(endpoint, config, { method: "GET" });
-      logger.debug("updateProduct getEntryResponse", { getEntryResponse });
-      const entry = await getEntryResponse.json();
-      logger.debug("updateProduct entry", { entry });
-
-      const response = await contentfulFetch(endpoint, config, {
-        method: "PUT",
-        body: JSON.stringify(body),
-        headers: {
-          "X-Contentful-Version": entry.sys.version,
-        },
-      });
-      logger.debug("updateProduct response", { response });
-      const result = await response.json();
-      logger.debug("updateProduct result", { result });
+      const result = await updateProductInCMS(id, input);
+      logger.debug({ result }, "updateProduct result");
 
       return result;
     },
     deleteProduct: async ({ id }) => {
-      const endpoint = getEntryEndpoint({ resourceId: id, environment, spaceId });
-
-      const response = await contentfulFetch(endpoint, config, { method: "DELETE" });
-      logger.debug("deleteProduct response", { response });
+      const response = await deleteProductInCMS(id);
+      logger.debug({ response }, "deleteProduct response");
 
       return response;
     },
+    createBatchProducts: async ({ input }) => {
+      const results = await createBatchProductsInCMS(input);
+      logger.debug({ results }, "createBatchProducts results");
+
+      return results.map((result) => transformCreateProductResponse(result));
+    },
+    deleteBatchProducts: async ({ ids }) => {
+      const results = await deleteBatchProductsInCMS(ids);
+      logger.debug({ results }, "deleteBatchProducts results");
+    },
   };
 };
 

apps/cms/src/lib/cms/providers/datocms.ts

@@ -1,5 +1,5 @@
 import { createProvider } from "./create";
-import { CreateOperations, CreateProductResponse } from "../types";
+import { CreateOperations, ProductInput, ProductResponse } from "../types";
 import { logger as pinoLogger } from "../../logger";
 
 import { ApiError, buildClient, SimpleSchemaTypes } from "@datocms/cma-client-node";
@@ -18,7 +18,7 @@ const datocmsClient = (config: DatocmsConfig, options?: RequestInit) => {
   });
 };
 
-const transformResponseError = (error: unknown): CreateProductResponse => {
+const transformResponseError = (error: unknown): ProductResponse => {
   if (error instanceof ApiError) {
     return {
       ok: false,
@@ -32,11 +32,15 @@ const transformResponseError = (error: unknown): CreateProductResponse => {
   }
 };
 
-const transformResponseItem = (item: SimpleSchemaTypes.Item): CreateProductResponse => {
+const transformResponseItem = (
+  item: SimpleSchemaTypes.Item,
+  input: ProductInput
+): ProductResponse => {
   return {
     ok: true,
     data: {
       id: item.id,
+      saleorId: input.saleorId,
     },
   };
 };
@@ -44,48 +48,76 @@ const transformResponseItem = (item: SimpleSchemaTypes.Item): CreateProductRespo
 const datocmsOperations: CreateOperations<DatocmsConfig> = (config) => {
   const logger = pinoLogger.child({ cms: "strapi" });
 
+  const client = datocmsClient(config);
+
+  const createProductInCMS = async (input: ProductInput) =>
+    client.items.create({
+      item_type: {
+        id: config.itemTypeId,
+        type: "item_type",
+      },
+      saleor_id: input.saleorId,
+      name: input.name,
+      channels: JSON.stringify(input.channels),
+      product_id: input.productId,
+      product_name: input.productName,
+      product_slug: input.productSlug,
+    });
+
+  const updateProductInCMS = async (id: string, input: ProductInput) =>
+    client.items.update(id, {
+      saleor_id: input.saleorId,
+      name: input.name,
+      channels: JSON.stringify(input.channels),
+      product_id: input.productId,
+      product_name: input.productName,
+      product_slug: input.productSlug,
+    });
+
+  const deleteProductInCMS = async (id: string) => client.items.destroy(id);
+
+  const createBatchProductsInCMS = async (input: ProductInput[]) =>
+    // DatoCMS doesn't support batch creation of items, so we need to create them one by one
+    Promise.all(
+      input.map(async (item) => ({
+        id: await createProductInCMS(item),
+        input: item,
+      }))
+    );
+
+  const deleteBatchProductsInCMS = async (ids: string[]) =>
+    client.items.bulkDestroy({
+      items: ids.map((id) => ({ id, type: "item" })),
+    });
+
   return {
     createProduct: async ({ input }) => {
-      const client = datocmsClient(config);
-
       try {
-        const item = await client.items.create({
-          item_type: {
-            id: config.itemTypeId,
-            type: "item_type",
-          },
-          saleor_id: input.saleorId,
-          name: input.name,
-          channels: JSON.stringify(input.channels),
-          product_id: input.productId,
-          product_name: input.productName,
-          product_slug: input.productSlug,
-        });
-        logger.debug("createProduct response", { item });
+        const item = await createProductInCMS(input);
+        logger.debug({ item }, "createProduct response");
 
-        return transformResponseItem(item);
+        return transformResponseItem(item, input);
       } catch (error) {
         return transformResponseError(error);
       }
     },
     updateProduct: async ({ id, input }) => {
-      const client = datocmsClient(config);
-
-      const item = await client.items.update(id, {
-        saleor_id: input.saleorId,
-        name: input.name,
-        channels: JSON.stringify(input.channels),
-        product_id: input.productId,
-        product_name: input.productName,
-        product_slug: input.productSlug,
-      });
-      logger.debug("updateProduct response", { item });
+      const item = await updateProductInCMS(id, input);
+      logger.debug({ item }, "updateProduct response");
     },
     deleteProduct: async ({ id }) => {
-      const client = datocmsClient(config);
+      const item = await deleteProductInCMS(id);
+      logger.debug({ item }, "deleteProduct response");
+    },
+    createBatchProducts: async ({ input }) => {
+      const items = await createBatchProductsInCMS(input);
+      logger.debug({ items }, "createBatchProducts response");
 
-      const item = await client.items.destroy(id);
-      logger.debug("deleteProduct response", { item });
+      return items.map((item) => transformResponseItem(item.id, item.input));
+    },
+    deleteBatchProducts: async ({ ids }) => {
+      const items = await deleteBatchProductsInCMS(ids);
+      logger.debug({ items }, "deleteBatchProducts response");
     },
   };
 };

apps/cms/src/lib/cms/providers/strapi.ts

@@ -1,5 +1,5 @@
 import { StrapiConfig, strapiConfigSchema } from "../config";
-import { CmsOperations, CreateOperations, CreateProductResponse, ProductInput } from "../types";
+import { CreateOperations, ProductResponse, ProductInput } from "../types";
 import { createProvider } from "./create";
 import { logger as pinoLogger } from "../../logger";
 
@@ -20,7 +20,7 @@ type StrapiBody = {
   data: Record<string, any> & { saleor_id: string };
 };
 
-const transformInputToBody = ({ input }: { input: ProductInput }): StrapiBody => {
+const transformInputToBody = (input: ProductInput): StrapiBody => {
   const body = {
     data: {
       saleor_id: input.saleorId,
@@ -55,7 +55,10 @@ type StrapiResponse =
       error: null;
     };
 
-const transformCreateProductResponse = (response: StrapiResponse): CreateProductResponse => {
+const transformCreateProductResponse = (
+  response: StrapiResponse,
+  input: ProductInput
+): ProductResponse => {
   if (response.error) {
     return {
       ok: false,
@@ -67,47 +70,86 @@ const transformCreateProductResponse = (response: StrapiResponse): CreateProduct
     ok: true,
     data: {
       id: response.data.id,
+      saleorId: input.saleorId,
     },
   };
 };
 
 type CreateStrapiOperations = CreateOperations<StrapiConfig>;
 
-export const strapiOperations: CreateStrapiOperations = (config): CmsOperations => {
+export const strapiOperations: CreateStrapiOperations = (config) => {
   const logger = pinoLogger.child({ cms: "strapi" });
 
   const { contentTypeId } = config;
 
+  const createProductInCMS = async (input: ProductInput): Promise<StrapiResponse> => {
+    const body = transformInputToBody(input);
+    const response = await strapiFetch(`/${contentTypeId}`, config, {
+      method: "POST",
+      body: JSON.stringify(body),
+    });
+    logger.debug({ response }, "createProduct response");
+    return await response.json();
+  };
+
+  const updateProductInCMS = async (id: string, input: ProductInput) => {
+    const body = transformInputToBody(input);
+    return await strapiFetch(`/${contentTypeId}/${id}`, config, {
+      method: "PUT",
+      body: JSON.stringify(body),
+    });
+  };
+
+  const deleteProductInCMS = async (id: string) => {
+    return await strapiFetch(`/${contentTypeId}/${id}`, config, { method: "DELETE" });
+  };
+
+  const createBatchProductsInCMS = async (input: ProductInput[]) => {
+    // Strapi doesn't support batch creation of items, so we need to create them one by one
+    return await Promise.all(
+      input.map(async (product) => ({
+        response: await createProductInCMS(product),
+        input: product,
+      }))
+    );
+  };
+
+  const deleteBatchProductsInCMS = async (ids: string[]) => {
+    // Strapi doesn't support batch deletion of items, so we need to delete them one by one
+    return await Promise.all(ids.map((id) => deleteProductInCMS(id)));
+  };
+
   return {
-    createProduct: async (params) => {
-      const body = transformInputToBody(params);
-      const response = await strapiFetch(`/${contentTypeId}`, config, {
-        method: "POST",
-        body: JSON.stringify(body),
-      });
-      logger.debug("createProduct response", { response });
+    createProduct: async ({ input }) => {
+      const result = await createProductInCMS(input);
+      logger.debug({ result }, "createProduct result");
 
-      const result = await response.json();
-      logger.debug("createProduct result", { result });
-
-      return transformCreateProductResponse(result);
+      return transformCreateProductResponse(result, input);
     },
     updateProduct: async ({ id, input }) => {
-      const body = transformInputToBody({ input });
-      const response = await strapiFetch(`/${contentTypeId}/${id}`, config, {
-        method: "PUT",
-        body: JSON.stringify(body),
-      });
-      logger.debug("updateProduct response", { response });
+      const response = await updateProductInCMS(id, input);
+      logger.debug({ response }, "updateProduct response");
 
       return response;
     },
     deleteProduct: async ({ id }) => {
-      const response = await strapiFetch(`/${contentTypeId}/${id}`, config, { method: "DELETE" });
-      logger.debug("deleteProduct response", { response });
+      const response = await deleteProductInCMS(id);
+      logger.debug({ response }, "deleteProduct response");
 
       return response;
     },
+    createBatchProducts: async ({ input }) => {
+      const results = await createBatchProductsInCMS(input);
+      logger.debug({ results }, "createBatchProducts results");
+
+      return results.map((result) => transformCreateProductResponse(result.response, result.input));
+    },
+    deleteBatchProducts: async ({ ids }) => {
+      const responses = await deleteBatchProductsInCMS(ids);
+      logger.debug({ responses }, "deleteBatchProducts responses");
+
+      return responses;
+    },
   };
 };
 

apps/cms/src/lib/cms/types.ts

@@ -11,24 +11,35 @@ export type ProductInput = Record<string, any> & {
   image?: string;
 };
 
-export type CreateProductResponse =
-  | { ok: true; data: { id: string } }
-  | { ok: false; error: string };
+export type ProductResponseSuccess = { ok: true; data: { id: string; saleorId: string } };
+export type ProductResponseError = { ok: false; error: string };
+export type ProductResponse = ProductResponseSuccess | ProductResponseError;
 
 export type CmsOperations = {
-  getAllProducts?: () => Promise<Response>;
   getProduct?: ({ id }: { id: string }) => Promise<Response>;
-  createProduct: ({ input }: { input: ProductInput }) => Promise<CreateProductResponse>;
+  createProduct: ({ input }: { input: ProductInput }) => Promise<ProductResponse>;
   updateProduct: ({ id, input }: { id: string; input: ProductInput }) => Promise<Response | void>;
   deleteProduct: ({ id }: { id: string }) => Promise<Response | void>;
 };
 
+export type CmsBatchOperations = {
+  getAllProducts?: () => Promise<Response>;
+  createBatchProducts: ({ input }: { input: ProductInput[] }) => Promise<ProductResponse[]>;
+  deleteBatchProducts: ({ ids }: { ids: string[] }) => Promise<Response[] | void>;
+};
+
 export type CmsClientOperations = {
   cmsProviderInstanceId: string;
   operations: CmsOperations;
   operationType: keyof CmsOperations;
 };
 
+export type CmsClientBatchOperations = {
+  cmsProviderInstanceId: string;
+  operations: CmsBatchOperations;
+  operationType: keyof CmsBatchOperations;
+};
+
 export type GetProviderTokens<TProviderName extends keyof typeof providersConfig> =
   (typeof providersConfig)[TProviderName]["tokens"][number];
 
@@ -43,7 +54,9 @@ export type CreateProviderConfig<TProviderName extends keyof typeof providersCon
 > &
   BaseConfig;
 
-export type CreateOperations<TConfig extends BaseConfig> = (config: TConfig) => CmsOperations;
+export type CreateOperations<TConfig extends BaseConfig> = (
+  config: TConfig
+) => CmsOperations & CmsBatchOperations;
 
 export type Provider<TConfig extends BaseConfig> = {
   create: CreateOperations<TConfig>;

apps/cms/src/lib/graphql.ts

@@ -10,39 +10,41 @@ interface IAuthState {
   token: string;
 }
 
+const getExchanges = (getAuth: AuthConfig<IAuthState>["getAuth"]) => [
+  dedupExchange,
+  cacheExchange,
+  authExchange<IAuthState>({
+    addAuthToOperation: ({ authState, operation }) => {
+      if (!authState || !authState?.token) {
+        return operation;
+      }
+
+      const fetchOptions =
+        typeof operation.context.fetchOptions === "function"
+          ? operation.context.fetchOptions()
+          : operation.context.fetchOptions || {};
+
+      return {
+        ...operation,
+        context: {
+          ...operation.context,
+          fetchOptions: {
+            ...fetchOptions,
+            headers: {
+              ...fetchOptions.headers,
+              "Authorization-Bearer": authState.token,
+            },
+          },
+        },
+      };
+    },
+    getAuth,
+  }),
+  fetchExchange,
+];
+
 export const createClient = (url: string, getAuth: AuthConfig<IAuthState>["getAuth"]) =>
   urqlCreateClient({
     url,
-    exchanges: [
-      dedupExchange,
-      cacheExchange,
-      authExchange<IAuthState>({
-        addAuthToOperation: ({ authState, operation }) => {
-          if (!authState || !authState?.token) {
-            return operation;
-          }
-
-          const fetchOptions =
-            typeof operation.context.fetchOptions === "function"
-              ? operation.context.fetchOptions()
-              : operation.context.fetchOptions || {};
-
-          return {
-            ...operation,
-            context: {
-              ...operation.context,
-              fetchOptions: {
-                ...fetchOptions,
-                headers: {
-                  ...fetchOptions.headers,
-                  "Authorization-Bearer": authState.token,
-                },
-              },
-            },
-          };
-        },
-        getAuth,
-      }),
-      fetchExchange,
-    ],
+    exchanges: getExchanges(getAuth),
   });

apps/cms/src/modules/channels/ui/channel-configuration-form.tsx

@@ -9,6 +9,9 @@ import {
   ListItem,
   ListItemCell,
   makeStyles,
+  Notification,
+  Alert,
+  IconButton,
 } from "@saleor/macaw-ui";
 import React from "react";
 import { useForm } from "react-hook-form";
@@ -20,19 +23,30 @@ import {
   SingleProviderSchema,
 } from "../../../lib/cms/config";
 import { ProviderIcon } from "../../provider-instances/ui/provider-icon";
+import { ChannelsLoading } from "./types";
 
 const useStyles = makeStyles((theme) => {
   return {
     item: {
       height: "auto !important",
       display: "grid",
-      gridTemplateColumns: "1fr 80px",
+      gridTemplateColumns: "1fr 80px 80px",
     },
     itemCell: {
       display: "flex",
       alignItems: "center",
       gap: theme.spacing(2),
     },
+    itemCellCenter: {
+      display: "flex",
+      alignItems: "center",
+      justifyContent: "center",
+      gap: theme.spacing(2),
+    },
+    itemCellProgress: {
+      padding: theme.spacing(0, 4),
+      gridColumn: "1/5",
+    },
     footer: {
       display: "flex",
       justifyContent: "flex-end",
@@ -48,8 +62,9 @@ const useStyles = makeStyles((theme) => {
 interface ChannelConfigurationFormProps {
   channel?: MergedChannelSchema | null;
   providerInstances: SingleProviderSchema[];
-  loading: boolean;
+  loading: ChannelsLoading;
   onSubmit: (channel: SingleChannelSchema) => any;
+  onSync: (providerInstanceId: string) => any;
 }
 
 export const ChannelConfigurationForm = ({
@@ -57,6 +72,7 @@ export const ChannelConfigurationForm = ({
   providerInstances,
   loading,
   onSubmit,
+  onSync,
 }: ChannelConfigurationFormProps) => {
   const styles = useStyles();
 
@@ -85,6 +101,9 @@ export const ChannelConfigurationForm = ({
     resetField("enabledProviderInstances", {
       defaultValue: channel?.enabledProviderInstances || [],
     });
+    resetField("requireSyncProviderInstances", {
+      defaultValue: channel?.requireSyncProviderInstances || [],
+    });
   }, [channel, providerInstances]);
 
   const errors = formState.errors;
@@ -97,56 +116,92 @@ export const ChannelConfigurationForm = ({
         </Typography>
       )}
       <input type="hidden" {...register("channelSlug")} value={channel?.channelSlug} />
-      <List gridTemplate={["1fr", "checkbox"]}>
+
+      <List gridTemplate={["1fr", "80px", "checkbox"]}>
         <ListHeader>
           <ListItem className={styles.item}>
             <ListItemCell>CMS provider configuration</ListItemCell>
-            <ListItemCell>Active</ListItemCell>
+            <ListItemCell className={styles.itemCellCenter}>Active</ListItemCell>
+            <ListItemCell className={styles.itemCellCenter}>Sync</ListItemCell>
           </ListItem>
         </ListHeader>
         <ListBody>
-          {providerInstances.map((providerInstance) => (
-            <ListItem key={providerInstance.name} className={styles.item}>
-              <ListItemCell className={styles.itemCell}>
-                <ProviderIcon providerName={providerInstance.providerName} />
-                {providerInstance.name}
-              </ListItemCell>
-              <ListItemCell padding="checkbox">
-                <FormControl
-                  {...register("enabledProviderInstances")}
-                  name="enabledProviderInstances"
-                  checked={watch("enabledProviderInstances")?.some(
-                    (formOption) => formOption === providerInstance.id
-                  )}
-                  onChange={(event: React.ChangeEvent<HTMLInputElement>) => {
-                    const valueCopy = getValues("enabledProviderInstances")
-                      ? [...getValues("enabledProviderInstances")]
-                      : [];
-                    if (event.target.checked) {
-                      valueCopy.push(providerInstance.id);
-                    } else {
-                      const idx = valueCopy.findIndex(
-                        (formOption) => formOption === providerInstance.id
-                      );
-                      valueCopy.splice(idx, 1);
+          {providerInstances.map((providerInstance) => {
+            const enabledProviderInstances = watch("enabledProviderInstances");
+            const requireSyncProviderInstances = watch("requireSyncProviderInstances");
+            const isEnabled = enabledProviderInstances?.some(
+              (formOption) => formOption === providerInstance.id
+            );
+            const requireSync = requireSyncProviderInstances?.some(
+              (formOption) => formOption === providerInstance.id
+            );
+
+            return (
+              <ListItem key={providerInstance.name} className={styles.item}>
+                <ListItemCell className={styles.itemCell}>
+                  <ProviderIcon providerName={providerInstance.providerName} />
+                  {providerInstance.name}
+                </ListItemCell>
+                <ListItemCell padding="checkbox" className={styles.itemCellCenter}>
+                  <FormControl
+                    {...register("enabledProviderInstances")}
+                    name="enabledProviderInstances"
+                    checked={isEnabled}
+                    onChange={(event: React.ChangeEvent<HTMLInputElement>) => {
+                      const valueCopy = getValues("enabledProviderInstances")
+                        ? [...getValues("enabledProviderInstances")]
+                        : [];
+                      if (event.target.checked) {
+                        valueCopy.push(providerInstance.id);
+                      } else {
+                        const idx = valueCopy.findIndex(
+                          (formOption) => formOption === providerInstance.id
+                        );
+                        valueCopy.splice(idx, 1);
+                      }
+                      resetField("enabledProviderInstances", {
+                        defaultValue: valueCopy,
+                      });
+                    }}
+                    value={providerInstance.name}
+                    component={(props) => <Checkbox {...props} />}
+                  />
+                </ListItemCell>
+                <ListItemCell className={styles.itemCellCenter}>
+                  <Button
+                    variant="primary"
+                    disabled={
+                      !requireSync || !!loading.productsVariantsSync.syncingProviderInstanceId
                     }
-                    resetField("enabledProviderInstances", {
-                      defaultValue: valueCopy,
-                    });
-                  }}
-                  value={providerInstance.name}
-                  component={(props) => <Checkbox {...props} />}
-                />
-              </ListItemCell>
-            </ListItem>
-          ))}
+                    onClick={() => onSync(providerInstance.id)}
+                  >
+                    Sync
+                  </Button>
+                </ListItemCell>
+                {loading.productsVariantsSync.syncingProviderInstanceId === providerInstance.id && (
+                  <ListItemCell className={styles.itemCellProgress}>
+                    Syncing products...
+                    <progress
+                      value={loading.productsVariantsSync.currentProductIndex}
+                      max={loading.productsVariantsSync.totalProductsCount}
+                      style={{
+                        height: "30px",
+                        width: "500px",
+                        maxWidth: "100%",
+                      }}
+                    />
+                  </ListItemCell>
+                )}
+              </ListItem>
+            );
+          })}
           {/* </>
             )}
           /> */}
         </ListBody>
         <ListFooter className={styles.footer}>
-          <Button variant="primary" disabled={loading} type="submit">
-            {loading ? "..." : "Save"}
+          <Button variant="primary" disabled={loading.channels.saving} type="submit">
+            {loading.channels.saving ? "..." : "Save"}
           </Button>
         </ListFooter>
       </List>

apps/cms/src/modules/channels/ui/channel-configuration.tsx

@@ -7,9 +7,10 @@ import {
   SingleChannelSchema,
   SingleProviderSchema,
 } from "../../../lib/cms/config";
-import { ChannelsErrors, ChannelsLoading } from "./types";
+import { ChannelsLoading } from "./types";
 import { makeStyles } from "@saleor/macaw-ui";
 import { AppTabNavButton } from "../../ui/app-tab-nav-button";
+import { ChannelsDataErrors } from "./hooks/useChannels";
 
 const useStyles = makeStyles((theme) => ({
   textCenter: {
@@ -55,20 +56,22 @@ interface ChannelConfigurationProps {
   activeChannel?: MergedChannelSchema | null;
   providerInstances: SingleProviderSchema[];
   saveChannel: (channel: SingleChannelSchema) => any;
+  syncChannelProviderInstance: (providerInstanceId: string) => any;
   loading: ChannelsLoading;
-  errors: ChannelsErrors;
+  errors: ChannelsDataErrors;
 }
 
 export const ChannelConfiguration = ({
   activeChannel,
   providerInstances,
   saveChannel,
+  syncChannelProviderInstance,
   loading,
   errors,
 }: ChannelConfigurationProps) => {
   const styles = useStyles();
 
-  if (loading.fetching || loading.saving) {
+  if (loading.channels.fetching || loading.channels.saving) {
     return <ChannelConfigurationSkeleton />;
   }
 
@@ -110,8 +113,9 @@ export const ChannelConfiguration = ({
       <ChannelConfigurationForm
         channel={activeChannel}
         providerInstances={providerInstances}
-        loading={loading.saving}
+        loading={loading}
         onSubmit={saveChannel}
+        onSync={syncChannelProviderInstance}
       />
     </Paper>
   );

apps/cms/src/modules/channels/ui/channels-list.tsx

@@ -2,8 +2,9 @@ import { Skeleton } from "@material-ui/lab";
 import { MergedChannelSchema } from "../../../lib/cms";
 import { AppPaper } from "../../ui/app-paper";
 
-import { ChannelsErrors, ChannelsLoading } from "./types";
+import { ChannelsLoading } from "./types";
 import { ChannelsSelect } from "./channels-select";
+import { ChannelsDataErrors } from "./hooks/useChannels";
 
 const ChannelsListSkeleton = () => {
   return (
@@ -18,7 +19,7 @@ interface ChannelsListProps {
   activeChannel?: MergedChannelSchema | null;
   setActiveChannel: (channel: MergedChannelSchema | null) => void;
   loading: ChannelsLoading;
-  errors: ChannelsErrors;
+  errors: ChannelsDataErrors;
 }
 
 export const ChannelsList = ({
@@ -28,7 +29,7 @@ export const ChannelsList = ({
   loading,
   errors,
 }: ChannelsListProps) => {
-  if (loading.fetching) {
+  if (loading.channels.fetching) {
     return <ChannelsListSkeleton />;
   }
 

apps/cms/src/modules/channels/ui/channels.tsx

@@ -1,11 +1,16 @@
+import { makeStyles } from "@saleor/macaw-ui";
 import { useEffect, useState } from "react";
-import { MergedChannelSchema } from "../../../lib/cms/config";
+import { MergedChannelSchema, SingleChannelSchema } from "../../../lib/cms/config";
+import {
+  useProductsVariantsSync,
+  ProductsVariantsSyncOperation,
+} from "../../cms/hooks/useProductsVariantsSync";
 import { useProviderInstances } from "../../provider-instances/ui/hooks/useProviderInstances";
+import { AppTabs } from "../../ui/app-tabs";
 import { ChannelConfiguration } from "./channel-configuration";
 import { ChannelsList } from "./channels-list";
 import { useChannels } from "./hooks/useChannels";
-import { AppTabs } from "../../ui/app-tabs";
-import { makeStyles } from "@saleor/macaw-ui";
+import { ChannelsLoading } from "./types";
 
 const useStyles = makeStyles({
   wrapper: {
@@ -17,7 +22,7 @@ const useStyles = makeStyles({
 
 export const Channels = () => {
   const styles = useStyles();
-  const { channels, saveChannel, loading, errors } = useChannels();
+  const { channels, saveChannel, loading: loadingChannels, errors } = useChannels();
   const { providerInstances } = useProviderInstances();
 
   const [activeChannelSlug, setActiveChannelSlug] = useState<string | null>(
@@ -36,6 +41,40 @@ export const Channels = () => {
     }
   }, [channels]);
 
+  const handleOnSyncCompleted = (providerInstanceId: string) => {
+    if (!activeChannel) {
+      return;
+    }
+
+    saveChannel({
+      ...activeChannel,
+      requireSyncProviderInstances: activeChannel.requireSyncProviderInstances?.filter(
+        (id) => id !== providerInstanceId
+      ),
+    });
+  };
+
+  const { sync, loading: loadingProductsVariantsSync } = useProductsVariantsSync(
+    activeChannelSlug,
+    handleOnSyncCompleted
+  );
+
+  const handleSync = async (providerInstanceId: string) => {
+    if (!activeChannel) {
+      return;
+    }
+
+    const operation: ProductsVariantsSyncOperation =
+      activeChannel.enabledProviderInstances.includes(providerInstanceId) ? "ADD" : "DELETE";
+
+    return sync(providerInstanceId, operation);
+  };
+
+  const loading: ChannelsLoading = {
+    channels: loadingChannels,
+    productsVariantsSync: loadingProductsVariantsSync,
+  };
+
   return (
     <>
       <AppTabs activeTab="channels" />
@@ -52,6 +91,7 @@ export const Channels = () => {
           activeChannel={activeChannel}
           providerInstances={providerInstances}
           saveChannel={saveChannel}
+          syncChannelProviderInstance={handleSync}
           loading={loading}
           errors={errors}
         />

apps/cms/src/modules/channels/ui/hooks/useChannels.ts

@@ -1,10 +1,19 @@
 import { useChannelsFetch } from "./useChannelsFetch";
 import { MergedChannelSchema, SingleChannelSchema } from "../../../../lib/cms/config";
-import { ChannelsErrors, ChannelsLoading } from "../types";
 import { useChannelsQuery } from "../../../../../generated/graphql";
 import { useIsMounted } from "usehooks-ts";
 import { actions, useAppBridge } from "@saleor/app-sdk/app-bridge";
 
+export interface ChannelsDataLoading {
+  fetching: boolean;
+  saving: boolean;
+}
+
+export interface ChannelsDataErrors {
+  fetching?: Error | null;
+  saving?: Error | null;
+}
+
 export const useChannels = () => {
   const { appBridge } = useAppBridge();
   const isMounted = useIsMounted();
@@ -19,10 +28,33 @@ export const useChannels = () => {
     isFetching,
   } = useChannelsFetch();
 
-  const saveChannel = (channelToSave: SingleChannelSchema) => {
+  const saveChannel = async (channelToSave: SingleChannelSchema) => {
     console.log("saveChannel", channelToSave);
 
-    saveChannelFetch(channelToSave).then(() => {
+    const currentlyEnabledProviderInstances =
+      settings?.[`${channelToSave.channelSlug}`]?.enabledProviderInstances || [];
+    const toEnableProviderInstances = channelToSave.enabledProviderInstances || [];
+
+    const changedSyncProviderInstances = [
+      ...currentlyEnabledProviderInstances.filter(
+        (instance) => !toEnableProviderInstances.includes(instance)
+      ),
+      ...toEnableProviderInstances.filter(
+        (instance) => !currentlyEnabledProviderInstances.includes(instance)
+      ),
+    ];
+
+    const fetchResult = await saveChannelFetch({
+      ...channelToSave,
+      requireSyncProviderInstances: [
+        ...(channelToSave.requireSyncProviderInstances || []),
+        ...changedSyncProviderInstances.filter(
+          (instance) => !(channelToSave.requireSyncProviderInstances || []).includes(instance)
+        ),
+      ],
+    });
+
+    if (fetchResult.success) {
       appBridge?.dispatch(
         actions.Notification({
           title: "Success",
@@ -30,15 +62,23 @@ export const useChannels = () => {
           text: "Configuration saved",
         })
       );
-    });
+    } else {
+      appBridge?.dispatch(
+        actions.Notification({
+          title: "Error",
+          status: "error",
+          text: "Error while saving configuration",
+        })
+      );
+    }
   };
 
-  const loading: ChannelsLoading = {
+  const loading: ChannelsDataLoading = {
     fetching: isFetching || channelsQueryData.fetching,
     saving: isSaving,
   };
 
-  const errors: ChannelsErrors = {
+  const errors: ChannelsDataErrors = {
     fetching: fetchingError ? Error(fetchingError) : null,
     saving: null,
   };
@@ -51,6 +91,9 @@ export const useChannels = () => {
           enabledProviderInstances: settings
             ? settings[`${channel.slug}`]?.enabledProviderInstances
             : [],
+          requireSyncProviderInstances: settings
+            ? settings[`${channel.slug}`]?.requireSyncProviderInstances
+            : [],
           channel: channel,
         } as MergedChannelSchema)
     ) || [];

apps/cms/src/modules/channels/ui/hooks/useChannelsFetch.ts

@@ -64,9 +64,19 @@ export const useChannelsFetch = () => {
         console.log("saveSettings config", config);
 
         setConfig(config);
+
+        return {
+          success: true,
+        };
+      } else {
+        throw new Error();
       }
     } catch (error) {
       console.log(error);
+
+      return {
+        success: false,
+      };
     }
   };
 

apps/cms/src/modules/channels/ui/types.ts

@@ -1,9 +1,7 @@
-export interface ChannelsLoading {
-  fetching: boolean;
-  saving: boolean;
-}
+import { ProductsVariantsSyncLoading } from "../../cms/hooks/useProductsVariantsSync";
+import { ChannelsDataLoading } from "./hooks/useChannels";
 
-export interface ChannelsErrors {
-  fetching?: Error | null;
-  saving?: Error | null;
+export interface ChannelsLoading {
+  channels: ChannelsDataLoading;
+  productsVariantsSync: ProductsVariantsSyncLoading;
 }

apps/cms/src/modules/cms/hooks/useProductsVariantsSync.ts

@@ -0,0 +1,138 @@
+import { useAppBridge } from "@saleor/app-sdk/app-bridge";
+import { SALEOR_API_URL_HEADER, SALEOR_AUTHORIZATION_BEARER_HEADER } from "@saleor/app-sdk/const";
+import { useCallback, useEffect, useState } from "react";
+import { WebhookProductVariantFragment } from "../../../../generated/graphql";
+import { Products, useQueryAllProducts } from "./useQueryAllProducts";
+
+export interface ProductsVariantsSyncLoading {
+  syncingProviderInstanceId?: string;
+  currentProductIndex?: number;
+  totalProductsCount?: number;
+}
+
+export type ProductsVariantsSyncOperation = "ADD" | "DELETE";
+
+const BATCH_SIZE = 100;
+
+interface UseProductsVariantsSyncHandlers {
+  sync: (providerInstanceId: string, operation: ProductsVariantsSyncOperation) => void;
+  loading: ProductsVariantsSyncLoading;
+}
+
+export const useProductsVariantsSync = (
+  channelSlug: string | null,
+  onSyncCompleted: (providerInstanceId: string) => void
+): UseProductsVariantsSyncHandlers => {
+  const { appBridgeState } = useAppBridge();
+
+  const [startedProviderInstanceId, setStartedProviderInstanceId] = useState<string>();
+  const [startedOperation, setStartedOperation] = useState<ProductsVariantsSyncOperation>();
+  const [currentProductIndex, setCurrentProductIndex] = useState(0);
+  const [isImporting, setIsImporting] = useState(false);
+
+  const { products, fetchCompleted } = useQueryAllProducts(!startedProviderInstanceId, channelSlug);
+
+  const sync = (providerInstanceId: string, operation: ProductsVariantsSyncOperation) => {
+    setStartedProviderInstanceId(providerInstanceId);
+    setStartedOperation(operation);
+    setCurrentProductIndex(0);
+  };
+
+  const syncFetch = async (
+    providerInstanceId: string,
+    operation: ProductsVariantsSyncOperation,
+    productsBatch: Products
+  ) => {
+    const productsVariants = productsBatch.reduce((acc, product) => {
+      const variants = product.variants?.map((variant) => {
+        const { variants: _, ...productFields } = product;
+        return {
+          product: productFields,
+          ...variant,
+        };
+      });
+
+      return variants ? [...acc, ...variants] : acc;
+    }, [] as WebhookProductVariantFragment[]);
+
+    try {
+      const syncResponse = await fetch("/api/sync-products-variants", {
+        method: "POST",
+        headers: [
+          ["content-type", "application/json"],
+          [SALEOR_API_URL_HEADER, appBridgeState?.saleorApiUrl!],
+          [SALEOR_AUTHORIZATION_BEARER_HEADER, appBridgeState?.token!],
+        ],
+        body: JSON.stringify({
+          providerInstanceId,
+          productsVariants,
+          operation,
+        }),
+      });
+
+      const syncResult = await syncResponse.json();
+
+      return syncResult;
+    } catch (error) {
+      console.error("useProductsVariantsSync syncFetch error", error);
+    }
+  };
+
+  useEffect(() => {
+    if (
+      products.length <= currentProductIndex &&
+      fetchCompleted &&
+      startedProviderInstanceId &&
+      startedOperation
+    ) {
+      const completedProviderInstanceIdSync = startedProviderInstanceId;
+
+      setStartedProviderInstanceId(undefined);
+      setStartedOperation(undefined);
+      setCurrentProductIndex(0);
+
+      onSyncCompleted(completedProviderInstanceIdSync);
+    }
+  }, [products.length, currentProductIndex, fetchCompleted]);
+
+  useEffect(() => {
+    if (!startedProviderInstanceId || !startedOperation) {
+      return;
+    }
+    if (products.length <= currentProductIndex) {
+      return;
+    }
+    if (isImporting) {
+      return;
+    }
+    (async () => {
+      setIsImporting(true);
+      const productsBatchStartIndex = currentProductIndex;
+      const productsBatchEndIndex = Math.min(currentProductIndex + BATCH_SIZE, products.length);
+      const productsBatch = products.slice(productsBatchStartIndex, productsBatchEndIndex);
+
+      // temporary solution, cannot use directly backend methods without fetch, due to non-browser Node dependency, like await cmsProvider.updatedBatchProducts(productsBatch);
+      await syncFetch(startedProviderInstanceId, startedOperation, productsBatch);
+
+      setIsImporting(false);
+      setCurrentProductIndex(productsBatchEndIndex);
+    })();
+  }, [
+    startedProviderInstanceId,
+    startedOperation,
+    currentProductIndex,
+    isImporting,
+    products.length,
+  ]);
+
+  const loading: ProductsVariantsSyncLoading = {
+    syncingProviderInstanceId: startedProviderInstanceId,
+    currentProductIndex,
+    totalProductsCount: products.length,
+  };
+
+  return {
+    sync,
+    loading,
+  };
+};

apps/cms/src/modules/cms/hooks/useQueryAllProducts.tsx

@@ -0,0 +1,81 @@
+import { useAppBridge } from "@saleor/app-sdk/app-bridge";
+import { useEffect, useState } from "react";
+import {
+  ProductsDataForImportDocument,
+  ProductsDataForImportQuery,
+} from "../../../../generated/graphql";
+import { createClient } from "../../../lib/graphql";
+
+const PER_PAGE = 100;
+
+export type Products = NonNullable<
+  ProductsDataForImportQuery["products"]
+>["edges"][number]["node"][];
+
+export const useQueryAllProducts = (paused: boolean, channelSlug: string | null) => {
+  const { appBridgeState } = useAppBridge();
+  const saleorApiUrl = appBridgeState?.saleorApiUrl!;
+
+  const [products, setProducts] = useState<Products>([]);
+  const [fetchCompleted, setFetchCompleted] = useState(false);
+
+  useEffect(() => {
+    if (paused) {
+      setProducts([]);
+      setFetchCompleted(false);
+    }
+  }, [paused]);
+
+  useEffect(() => {
+    if (paused || !channelSlug || !appBridgeState?.token) {
+      return;
+    }
+
+    const token = appBridgeState.token;
+    const client = createClient(saleorApiUrl, () => Promise.resolve({ token }));
+
+    if (!client) {
+      return;
+    }
+
+    const getProducts = async (channelSlug: string, cursor: string): Promise<void> => {
+      const response = await client
+        .query(
+          ProductsDataForImportDocument,
+          {
+            after: cursor,
+            first: PER_PAGE,
+            channel: channelSlug!,
+          },
+          {
+            requestPolicy: "network-only", // Invalidate products data, because it could contain legacy products variants metadata that indicates these products variants existance in CMS providers
+          }
+        )
+        .toPromise();
+
+      const newProducts = response?.data?.products?.edges.map((e) => e.node) ?? [];
+
+      if (newProducts.length > 0) {
+        setProducts((ps) => [...ps, ...newProducts]);
+      }
+      if (
+        response?.data?.products?.pageInfo.hasNextPage &&
+        response?.data?.products?.pageInfo.endCursor
+      ) {
+        // get next page of products
+        return getProducts(channelSlug, response.data.products?.pageInfo.endCursor);
+      } else {
+        setFetchCompleted(true);
+      }
+    };
+
+    (async () => {
+      await getProducts(channelSlug, "");
+    })();
+  }, [appBridgeState?.token, saleorApiUrl, paused, channelSlug]);
+
+  return {
+    products,
+    fetchCompleted,
+  };
+};

apps/cms/src/pages/api/sync-products-variants.ts

@@ -0,0 +1,169 @@
+import { createProtectedHandler, NextProtectedApiHandler } from "@saleor/app-sdk/handlers/next";
+import { NextApiRequest, NextApiResponse } from "next";
+import { WebhookProductVariantFragment } from "../../../generated/graphql";
+import { saleorApp } from "../../../saleor-app";
+import { executeCmsClientBatchOperation } from "../../lib/cms/client/clients-execution";
+import { getChannelsSettings, getProviderInstancesSettings } from "../../lib/cms/client/settings";
+import { providersSchemaSet } from "../../lib/cms/config/providers";
+import { cmsProviders, CMSProvider } from "../../lib/cms/providers";
+import { logger as pinoLogger } from "../../lib/logger";
+import { createClient } from "../../lib/graphql";
+import { createSettingsManager } from "../../lib/metadata";
+import { batchUpdateMetadata, MetadataRecord } from "../../lib/cms/client/metadata-execution";
+import { CmsBatchOperations } from "../../lib/cms/types";
+
+export interface SyncProductsVariantsApiPayload {
+  channelSlug: string;
+  providerInstanceId: string;
+  productsVariants: WebhookProductVariantFragment[];
+  operation: "ADD" | "DELETE";
+}
+
+export interface SyncProductsVariantsApiResponse {
+  success: boolean;
+  data?: {
+    createdCMSIds: MetadataRecord[];
+    deletedCMSIds: MetadataRecord[];
+  };
+  error?: string;
+}
+
+const handler: NextProtectedApiHandler = async (
+  req: NextApiRequest,
+  res: NextApiResponse<SyncProductsVariantsApiResponse>,
+  context
+) => {
+  const { authData } = context;
+
+  const logger = pinoLogger.child({
+    endpoint: "sync-products-variants",
+  });
+  logger.debug("Called endpoint sync-products-variants");
+
+  const client = createClient(authData.saleorApiUrl, async () => ({
+    token: authData.token,
+  }));
+
+  if (req.method !== "POST") {
+    return res.status(405).json({
+      success: false,
+    });
+  }
+
+  // todo: change to zod validation
+  const { providerInstanceId, productsVariants, operation } =
+    req.body as SyncProductsVariantsApiPayload;
+
+  if (!providerInstanceId) {
+    return res.status(400).json({
+      success: false,
+      error: "The provider instance id is missing.",
+    });
+  }
+
+  if (!productsVariants || productsVariants?.length === 0) {
+    return res.status(400).json({
+      success: false,
+      error: "The products variants are missing.",
+    });
+  }
+
+  if (!operation || (operation !== "ADD" && operation !== "DELETE")) {
+    return res.status(400).json({
+      success: false,
+      error: "The operation is missing or invalid. Allowed operations: ADD, DELETE.",
+    });
+  }
+  const operationType: keyof CmsBatchOperations =
+    operation === "ADD" ? "createBatchProducts" : "deleteBatchProducts";
+
+  const settingsManager = createSettingsManager(client);
+  const [providerInstancesSettingsParsed, channelsSettingsParsed] = await Promise.all([
+    getProviderInstancesSettings(settingsManager),
+    getChannelsSettings(settingsManager),
+  ]);
+  const providerInstanceSettings = providerInstancesSettingsParsed[providerInstanceId];
+
+  const provider = cmsProviders[
+    providerInstanceSettings.providerName as CMSProvider
+  ] as (typeof cmsProviders)[keyof typeof cmsProviders];
+  const validation =
+    providersSchemaSet[providerInstanceSettings.providerName as CMSProvider].safeParse(
+      providerInstanceSettings
+    );
+
+  logger.debug({ provider }, "The provider instance settings provider.");
+
+  if (!validation.success) {
+    // todo: use instead: throw new Error(validation.error.message);
+    // continue with other provider instances
+    logger.error(
+      { error: validation.error.message },
+      "The provider instance settings validation failed."
+    );
+
+    return res.status(400).json({
+      success: false,
+    });
+  }
+
+  const config = validation.data;
+
+  logger.debug({ config }, "The provider instance settings validated config.");
+
+  const enabledChannelsForSelectedProviderInstance = Object.entries(channelsSettingsParsed).reduce(
+    (enabledChannels, [channelSlug, channelSettingsParsed]) => {
+      if (channelSettingsParsed.enabledProviderInstances.includes(providerInstanceId)) {
+        return [...enabledChannels, channelSlug];
+      }
+      return enabledChannels;
+    },
+    [] as string[]
+  );
+
+  // todo: make it later a method of kinda ChannelsSettingsRepository instantiated only once
+  const verifyIfProductVariantIsAvailableInOtherChannelEnabledForSelectedProviderInstance = (
+    productVariant: WebhookProductVariantFragment
+  ) => {
+    const variantAvailableChannels = productVariant.channelListings?.map((cl) => cl.channel.slug);
+    const isAvailable = variantAvailableChannels?.some((channel) =>
+      enabledChannelsForSelectedProviderInstance.includes(channel)
+    );
+    return !!isAvailable;
+  };
+
+  const syncResult = await executeCmsClientBatchOperation({
+    cmsClient: {
+      cmsProviderInstanceId: providerInstanceId,
+      operationType,
+      operations: provider.create(config as any),
+    },
+    productsVariants,
+    verifyIfProductVariantIsAvailableInOtherChannelEnabledForSelectedProviderInstance,
+  });
+
+  await batchUpdateMetadata({
+    context,
+    variantCMSProviderInstanceIdsToCreate:
+      syncResult?.createdCmsIds?.map((cmsId) => ({
+        id: cmsId.saleorId,
+        cmsProviderInstanceIds: { [providerInstanceId]: cmsId.id },
+      })) || [],
+    variantCMSProviderInstanceIdsToDelete:
+      syncResult?.deletedCmsIds?.map((cmsId) => ({
+        id: cmsId.saleorId,
+        cmsProviderInstanceIds: { [providerInstanceId]: cmsId.id },
+      })) || [],
+  });
+
+  return res.status(200).json({
+    success: true,
+    data: {
+      createdCMSIds: syncResult?.createdCmsIds || [],
+      deletedCMSIds: syncResult?.deletedCmsIds || [],
+    },
+    error: syncResult?.error,
+  });
+};
+
+export default createProtectedHandler(handler, saleorApp.apl, ["MANAGE_APPS"]);

apps/cms/src/pages/api/webhooks/product-updated.ts

@@ -7,11 +7,7 @@ import {
 import { saleorApp } from "../../../../saleor-app";
 import { getCmsKeysFromSaleorItem } from "../../../lib/cms/client/metadata";
 import { getChannelsSlugsFromSaleorItem } from "../../../lib/cms/client/channels";
-import {
-  createCmsOperations,
-  executeCmsOperations,
-  executeMetadataUpdate,
-} from "../../../lib/cms/client";
+import { createCmsOperations, executeCmsOperations, updateMetadata } from "../../../lib/cms/client";
 import { logger as pinoLogger } from "../../../lib/logger";
 import { createClient } from "../../../lib/graphql";
 import { fetchProductVariantMetadata } from "../../../lib/metadata";
@@ -109,7 +105,7 @@ export const handler: NextWebhookApiHandler<ProductUpdatedWebhookPayloadFragment
 
     allCMSErrors.push(...cmsErrors);
 
-    await executeMetadataUpdate({
+    await updateMetadata({
       context,
       productVariant,
       cmsProviderInstanceIdsToCreate: cmsProviderInstanceProductVariantIdsToCreate,
@@ -120,7 +116,8 @@ export const handler: NextWebhookApiHandler<ProductUpdatedWebhookPayloadFragment
   if (!allCMSErrors.length) {
     return res.status(200).end();
   } else {
-    return res.status(500).json({ errors: allCMSErrors });
+    // Due to undesired webhook events deliveries retries on HTTP 500, we need to return 200 status code instead of 500.
+    return res.status(200).json({ errors: allCMSErrors });
   }
 };
 

apps/cms/src/pages/api/webhooks/product-variant-created.ts

@@ -6,11 +6,7 @@ import {
 } from "../../../../generated/graphql";
 import { saleorApp } from "../../../../saleor-app";
 import { getChannelsSlugsFromSaleorItem } from "../../../lib/cms/client/channels";
-import {
-  createCmsOperations,
-  executeCmsOperations,
-  executeMetadataUpdate,
-} from "../../../lib/cms/client";
+import { createCmsOperations, executeCmsOperations, updateMetadata } from "../../../lib/cms/client";
 import { logger as pinoLogger } from "../../../lib/logger";
 import { createClient } from "../../../lib/graphql";
 import { fetchProductVariantMetadata } from "../../../lib/metadata";
@@ -93,7 +89,7 @@ export const handler: NextWebhookApiHandler<ProductVariantCreatedWebhookPayloadF
     productVariant,
   });
 
-  await executeMetadataUpdate({
+  await updateMetadata({
     context,
     productVariant,
     cmsProviderInstanceIdsToCreate: cmsProviderInstanceProductVariantIdsToCreate,
@@ -103,7 +99,8 @@ export const handler: NextWebhookApiHandler<ProductVariantCreatedWebhookPayloadF
   if (!cmsErrors.length) {
     return res.status(200).end();
   } else {
-    return res.status(500).json({ errors: cmsErrors });
+    // Due to undesired webhook events deliveries retries on HTTP 500, we need to return 200 status code instead of 500.
+    return res.status(200).json({ errors: cmsErrors });
   }
 };
 

apps/cms/src/pages/api/webhooks/product-variant-deleted.ts

@@ -6,11 +6,7 @@ import {
 } from "../../../../generated/graphql";
 import { saleorApp } from "../../../../saleor-app";
 import { getCmsKeysFromSaleorItem } from "../../../lib/cms/client/metadata";
-import {
-  createCmsOperations,
-  executeCmsOperations,
-  executeMetadataUpdate,
-} from "../../../lib/cms/client";
+import { createCmsOperations, executeCmsOperations, updateMetadata } from "../../../lib/cms/client";
 import { logger as pinoLogger } from "../../../lib/logger";
 import { createClient } from "../../../lib/graphql";
 
@@ -89,7 +85,7 @@ export const handler: NextWebhookApiHandler<ProductVariantDeletedWebhookPayloadF
     productVariant,
   });
 
-  await executeMetadataUpdate({
+  await updateMetadata({
     context,
     productVariant,
     cmsProviderInstanceIdsToCreate: cmsProviderInstanceProductVariantIdsToCreate,
@@ -99,7 +95,8 @@ export const handler: NextWebhookApiHandler<ProductVariantDeletedWebhookPayloadF
   if (!cmsErrors.length) {
     return res.status(200).end();
   } else {
-    return res.status(500).json({ errors: cmsErrors });
+    // Due to undesired webhook events deliveries retries on HTTP 500, we need to return 200 status code instead of 500.
+    return res.status(200).json({ errors: cmsErrors });
   }
 };
 

apps/cms/src/pages/api/webhooks/product-variant-updated.ts

@@ -7,11 +7,7 @@ import {
 import { saleorApp } from "../../../../saleor-app";
 import { getCmsKeysFromSaleorItem } from "../../../lib/cms/client/metadata";
 import { getChannelsSlugsFromSaleorItem } from "../../../lib/cms/client/channels";
-import {
-  createCmsOperations,
-  executeCmsOperations,
-  executeMetadataUpdate,
-} from "../../../lib/cms/client";
+import { createCmsOperations, executeCmsOperations, updateMetadata } from "../../../lib/cms/client";
 import { logger as pinoLogger } from "../../../lib/logger";
 import { createClient } from "../../../lib/graphql";
 import { fetchProductVariantMetadata } from "../../../lib/metadata";
@@ -93,7 +89,7 @@ export const handler: NextWebhookApiHandler<ProductVariantUpdatedWebhookPayloadF
     productVariant,
   });
 
-  await executeMetadataUpdate({
+  await updateMetadata({
     context,
     productVariant,
     cmsProviderInstanceIdsToCreate: cmsProviderInstanceProductVariantIdsToCreate,
@@ -103,7 +99,8 @@ export const handler: NextWebhookApiHandler<ProductVariantUpdatedWebhookPayloadF
   if (!cmsErrors.length) {
     return res.status(200).end();
   } else {
-    return res.status(500).json({ errors: cmsErrors });
+    // Due to undesired webhook events deliveries retries on HTTP 500, we need to return 200 status code instead of 500.
+    return res.status(200).json({ errors: cmsErrors });
   }
 };