public async Task <IReadOnlyList <Models.CatalogItem> > ListCatalogItems(int startIndex = 0, int pageSize = 10)
{
return(await GrpcCallerService.CallService(urls.CatalogGrpc, async channel =>
{
var client = new CatalogClient(channel);
var request = new ListCatalogItemsRequest {
StartIndex = startIndex, PageSize = pageSize
};
var response = await client.ListCatalogItemsAsync(request);
return MapResponse(response);
}));
}
/// <summary>Snippet for ListCatalogItems</summary>
public async Task ListCatalogItemsRequestObjectAsync()
{
// Snippet: ListCatalogItemsAsync(ListCatalogItemsRequest, CallSettings)
// Create client
CatalogServiceClient catalogServiceClient = await CatalogServiceClient.CreateAsync();
// Initialize request argument(s)
ListCatalogItemsRequest request = new ListCatalogItemsRequest
{
ParentAsCatalogName = CatalogName.FromProjectLocationCatalog("[PROJECT]", "[LOCATION]", "[CATALOG]"),
Filter = "",
};
// Make the request
PagedAsyncEnumerable <ListCatalogItemsResponse, CatalogItem> response = catalogServiceClient.ListCatalogItemsAsync(request);
// Iterate over all response items, lazily performing RPCs as required
await response.ForEachAsync((CatalogItem item) =>
{
// Do something with each item
Console.WriteLine(item);
});
// Or iterate over pages (of server-defined size), performing one RPC per page
await response.AsRawResponses().ForEachAsync((ListCatalogItemsResponse page) =>
{
// Do something with each page of items
Console.WriteLine("A page of results:");
foreach (CatalogItem item in page)
{
// Do something with each item
Console.WriteLine(item);
}
});
// Or retrieve a single page of known size (unless it's the final page), performing as many RPCs as required
int pageSize = 10;
Page <CatalogItem> singlePage = await response.ReadPageAsync(pageSize);
// Do something with the page of items
Console.WriteLine($"A page of {pageSize} results (unless it's the final page):");
foreach (CatalogItem item in singlePage)
{
// Do something with each item
Console.WriteLine(item);
}
// Store the pageToken, for when the next page is required.
string nextPageToken = singlePage.NextPageToken;
// End snippet
}
public override Task <ListCatalogItemsResponse> ListCatalogItems(ListCatalogItemsRequest request, ServerCallContext context)
{
var priceGenerator = new Random();
var sampleItems = Enumerable.Range(request.StartIndex, request.PageSize).Select(index => new CatalogItem
{
Id = index,
Name = $"Item {index}",
Price = priceGenerator.Next(10, 100)
});
var response = new ListCatalogItemsResponse
{
StartIndex = request.StartIndex,
PageSize = request.PageSize,
TotalCount = totalCount
};
response.Data.AddRange(sampleItems);
return(Task.FromResult(response));
}
