public async Task <Incident> LoadAsync()
{
try
{
var handler = new HttpClientHandler
{
AutomaticDecompression = DecompressionMethods.Deflate | DecompressionMethods.GZip
};
var client = new HttpClient(handler);
// setting the default user agent
if (client.DefaultRequestHeaders.UserAgent.Count == 0)
{
client.DefaultRequestHeaders.UserAgent.ParseAdd("Azure Function");
}
var httpResponseMessage = await client.GetAsync(_uri);
httpResponseMessage.EnsureSuccessStatusCode();
// There is a bug in the .net framework that causes ReadAsStringAsync() to fail if the server reports the content encoding as "utf-8" rather than utf-8 https://github.com/dotnet/corefx/issues/5014
if (httpResponseMessage.Content.Headers.ContentType?.CharSet == @"""utf-8""")
{
httpResponseMessage.Content.Headers.ContentType.CharSet = "UTF-8";
}
var data = await httpResponseMessage.Content.ReadAsStringAsync();
data = StringSanitizer.SimplifyHtmlEncoded(data);
var sr = new SmartReader.Reader(_uri, data);
sr.AddCustomOperationStart(SpaceElements);
var article = sr.GetArticle();
var content = !string.IsNullOrEmpty(article.TextContent) ? article.TextContent : article.Excerpt;
if (!string.IsNullOrEmpty(content))
{
var shortSummary =
StringSanitizer.RemoveDoublespaces(
StringSanitizer.RemoveUrls(
StringSanitizer.RemoveHashtags(content)))
.Trim();
var summary =
StringSanitizer.RemoveDoublespaces(content)
.Trim();
return(new Incident(shortSummary, summary));
}
}
catch (Exception e)
{
_logger.LogError(e, "Exception loading article");
}
return(null);
}
// Clean up for the ShortSummary
// The short summary is the shortened version of the summary that is optimized to be processed by LUIS
private string ShortSummaryCleanUp(string body)
{
string result = StringSanitizer.RemoveHtmlTags(body);
result = StringSanitizer.SimplifyHtmlEncoded(result);
result = StringSanitizer.RemoveFillerWords(result);
result = StringSanitizer.RemoveSpecialCharacters(result);
result = StringSanitizer.RemoveDoublespaces(result);
return(result.Trim());
}
