private static async Task <IActionResult> Run_Impl(
API.ScrapSellerRequest request,
ILogger log,
ExecutionContext context
)
{
ConfigurationUtils.Initialize(context, log);
if (!(request?.IsValid ?? false))
{
return(new BadRequestObjectResult($"Please pass a valid {nameof(API.ScrapSellerRequest)} object"));
}
try
{
var response = await API.ScrapSeller.RunAsync(request);
log.LogDebug(JsonConvert.SerializeObject(response));
return((ActionResult) new OkObjectResult(response));
}
catch (Exception e)
{
log.LogError(e.ToString());
return(new StatusCodeResult(StatusCodes.Status500InternalServerError));
}
}
public static async Task <ScrapSellerResponse> RunAsync(ScrapSellerRequest request)
{
return(await RunAsync(
request,
GetLocalCacheKey,
GetLocalCacheAsync,
SetLocalCacheAsync
));
}
public static async Task <ScrapSellerResponse> RunAsync(
ScrapSellerRequest request,
GetCacheKey getCacheKey,
GetCacheAsync getCache,
SetCacheAsync setCache
)
{
if (request == null)
{
throw new ArgumentNullException(nameof(request));
}
if (!request.IsValid)
{
throw new ArgumentException(nameof(request));
}
var scrapper = ScrapSellerFactory.CreateInstance(request.MarketPlaceID);
if (scrapper == null)
{
throw new NotSupportedException(request.MarketPlaceID);
}
string content = await getCache?.Invoke(getCacheKey?.Invoke(request));
if (string.IsNullOrEmpty(content))
{
content = await WebUtils.GetWebPageAsync(scrapper.GetPageUri(request.SellerID));
await setCache?.Invoke(getCacheKey?.Invoke(request), content);
}
var properties = scrapper.GetProperties(content);
return(new ScrapSellerResponse(request.SellerID, properties));
}
private static string GetLocalCacheKey(ScrapSellerRequest request) =>
$"seller_{HashUtils.ToMD5(request.SellerID)}.html";