private async Task <List <PostKnn> > ToPostKnn(string[] words, User user)
{
var relations = new List <PostKnn>();
var listWords = words.ToList();
while (listWords.Count != 0)
{
var relation = new PostKnn();
relation.User = user;
var globalWord = await _context.GlobalStrings.Where(x => x.Word == listWords[0]).FirstOrDefaultAsync();
relation.GlobalString = globalWord;
relation.Count = listWords.Where(x => x == listWords[0]).Count();
relations.Add(relation);
listWords.RemoveAll(x => x == listWords[0]);
}
return(relations);
}
public async Task ManageHistory(string text, User user)
{
var stemmedText = await AddToGlobalStrings(text);
var postknn = new PostKnn();
var finalUserRelations = await ToPostKnn(text.Split(), user);
await _context.PostKnns.AddRangeAsync(finalUserRelations);
try
{
await _context.SaveChangesAsync();
}
catch (Exception e)
{
throw e;
}
}