public async Task UpdateInfoOfItemAsync(Item itemUpdated)
{
using var _trackingContext = new TrackingContext(_options);
var item = await _trackingContext.Items.Where(i => i.ItemId == itemUpdated.ItemId).FirstOrDefaultAsync() ??
throw new Exception($"{Exceptions.ITEM_NOT_FOUND_EXCEPTION}");
_updateInfoHelper.GetUpdatedItem(ref item, itemUpdated);
await _trackingContext.SaveChangesAsync();
}
private async void OnTimedEvent(Object source, ElapsedEventArgs e)
{
if (!itemsQueue.Any())
{
return;
}
var item = itemsQueue.Dequeue();
try
{
var newInfo = item.Source switch
{
PullAndBear.SHOP_NAME => await _pullAndBearClient.GetItemInfoAsync(item.Url),
Bershka.SHOP_NAME => await _bershkaClient.GetItemInfoAsync(item.Url),
_ => throw new Exception(Exceptions.UNKNOWN_SHOP_EXCEPTION),
};
if (item.Status != newInfo.Status || item.Price != newInfo.Price)
{
await _botService.SendMessageMarkdownV2Async(
item.ChatId,
_textConverter.ToString(item, newInfo));
}
_updateInfoHelper.GetUpdatedItem(ref item, newInfo);
await _trackingRepository.UpdateInfoOfItemAsync(item);
}
catch (Exception ex)
{
// it's ok; lets update item information next time;
}
if ((DateTime.Now - item.LastUpdateDate).TotalHours > maxTimeWithoutUpdateIntervalHours)
{
await _trackingRepository.RemoveItemAsync(item.Url);
await _botService.SendMessageAsync(
item.ChatId,
WANNA_REMOVE_ITEM_EXCEPTION);
}
else
{
itemsQueue.Enqueue(item);
if ((DateTime.Now - item.LastUpdateDate).TotalHours > maxUpdateTimeIntervalHours)
{
await _botService.SendMessageAsync(
item.ChatId,
CANT_UPDATE_EXCEPTION);
}
}
}