/// <summary>
/// Generates the sentiment result.
/// </summary>
/// <param name="name">The name.</param>
/// <returns>SentimentsResult.</returns>
public SentimentsResult GenerateSentimentResult(string name)
{
var sentiResult = new SentimentsResult();
sentiResult.Date = this.newDate.Date;
sentiResult.Name = name;
sentiResult.Positive = 0;
sentiResult.Negative = 0;
sentiResult.Score = 0;
foreach (var d in this.DocScore)
{
if (d.Value > 0)
{
sentiResult.Positive = sentiResult.Positive + 1;
}
else
{
sentiResult.Negative = sentiResult.Negative + 1;
}
sentiResult.Score = sentiResult.Score + (decimal)d.Value;
}
var sum = (sentiResult.Positive + sentiResult.Negative) == 0?1:(sentiResult.Positive + sentiResult.Negative);
sentiResult.Score = sentiResult.Score / sum;
return(sentiResult);
}
/// <summary>
/// Updates the senti table.
/// </summary>
/// <param name="postFix">The user identifier.</param>
/// <param name="SentiResult">The senti result.</param>
public void UpdateSentiTable(string postFix, SentimentsResult SentiResult)
{
using (var db = ContextFactory.GetProfileContext())
{
string query = $"select max(Id) from NewsStreamHourly_{postFix}";
SentiResult.MaxId = db.Database.SqlQuery <long>(query).FirstOrDefault();
query =
$"Insert into SentimentsResult_{postFix} Values ('{SentiResult.Date}', N'{SentiResult.Name}', {SentiResult.Positive}, {SentiResult.Negative}, {SentiResult.Score}, {SentiResult.MaxId})";
db.Database.ExecuteSqlCommand(query);
}
}
