//public static SmartHackDbContext _context;
public static async Task ExecuteAsync(SmartHackDbContext _context)
{
var companies = await _context.Companies.Include(x => x.Newses).ToListAsync();
foreach (var company in companies)
{
var news = company.Newses.OrderByDescending(x => x.Time).FirstOrDefault();
if (news != null)
{
var newsType = ClassifierLearner.Clasify(news.Content);
AppNaiveBayes.learnNaiveBayes(company.Percent, newsType, company.Id);
}
var result = AppNaiveBayes.getNaiveBayesResult("Positive", companies.FirstOrDefault().Id);
var result2 = result;
}
}
public static string getNaiveBayesResult(string newsType, Guid companyId)
{
try
{
int[] info = codebook.Translate(new string[] { "NewsType", "CompanyId" }, new string[] { newsType.ToString(), companyId.ToString() });
//int[] info = codebook.Transform(new string[] { newsType, companyId.ToString() });
if (naiveBayes == null)
{
instance = AppNaiveBayes.Instance;
}
if (naiveBayes != null)
{
int c = naiveBayes.Decide(info);
string result = codebook.Translate("Percent", c);
return(result);
}
return("-1");
}
catch (Exception e)
{
return("-1");
}
}
