public virtual async Task <SlugCollection> GetSlugsAsync(string keyword)
{
SlugCollection slugCollection = new SlugCollection();
HttpClient client = new HttpClient
{
BaseAddress = _uriSlug
};
foreach (string letter in _letters)
{
string query = $"{keyword} {letter}";
try
{
string content = await client.GetStringAsync($"?kwd={query}&_jgr=1&sId=0&_ch=0&callback=nil");
if (Regex.IsMatch(content, @"/\*\*/nil\("))
{
content = content.Replace("/**/nil(", "").Replace("}})", "}}");
JObject jObject = JObject.Parse(content);
slugCollection.AddRange(jObject["res"]["sug"].Select(p => p.ToString()).ToList());
}
}
catch (Exception ex)
{
_logger.LogError($"Error trying to get slug word {query}. Exception {ex.Message}");
}
}
return(slugCollection);
}
public async override Task <Message> OnGetMessage(MessageOperation message, CancellationToken cancellationToken)
{
Message outMessage = default(Message);
int countCalls = await CheckDailyLimit(message);
if (countCalls >= configuration.MaxCallTimes)
{
return(new MaxLimitMessage(countCalls));
}
else if (message.Operation == "slug")
{
SlugCollection slugCollection = await _ebayService.GetSlugsAsync(message.Data);
outMessage = new Message <SlugCollection> {
Data = slugCollection
};
}
else if (message.Operation == "product")
{
var result = await _ebayService.GetProductAsync(message.Data);
outMessage = new Message <Product> {
Data = result
};
}
else if (message.Operation == "complete")
{
SlugCollection slugCollection = await _ebayService.GetSlugsAsync(message.Data);
string[] slugArray = slugCollection.Distinct().ToArray();
BlockingCollection <Product> productCollection = new BlockingCollection <Product>(slugArray.Length);
for (int i = 0; i < slugArray.Length; i++)
{
productCollection.Add(await _ebayService.GetProductAsync(slugArray[i]));
}
var orderedProductCollection = productCollection.OrderBy(p => p.Name).ToArray();
outMessage = new Message <Product[]> {
Data = orderedProductCollection
};
}
await AddSearchToLog(message);
if (outMessage != null)
{
return(outMessage);
}
return(await base.OnGetMessage(message, cancellationToken));
}
public override async Task <SlugCollection> GetSlugsAsync(string keyword)
{
if (string.IsNullOrEmpty(keyword))
{
throw new ArgumentNullException(nameof(keyword));
}
if (_storage.ContainsSlug(keyword))
{
return(await _storage.GetSlug(keyword));
}
SlugCollection slugs = await base.GetSlugsAsync(keyword);
await _storage.SetSlug(keyword, slugs);
return(slugs);
}
public Task SetSlug(string keyword, SlugCollection slugs)
{
return(Set($"slug_{keyword}", slugs));
}
