public PairModel[] GetPairsForLearning(int count, int maxTranslationSize)
{
var fullPairs = _repository.GetWorst(count);
foreach (var pairModel in fullPairs)
{
var translations = pairModel.GetTranslations().ToArray();
if (translations.Length <= maxTranslationSize)
{
continue;
}
var usedTranslations = translations.Randomize().Take(maxTranslationSize).ToArray();
pairModel.SetTranslations(usedTranslations);
for (int i = 0; i < pairModel.Phrases.Count; i++)
{
var phrase = pairModel.Phrases[i];
if (!usedTranslations.Contains(phrase.Translation))
{
pairModel.Phrases.RemoveAt(i);
}
}
}
return(fullPairs);
}
public void GetWorst10_ReturnsPhrase()
{
var repo = new WordsRepository("test");
repo.ApplyMigrations();
repo.CreateNew("word", "translation", "trans", new[]
{
new Phrase()
{
Created = DateTime.Now,
Origin = "what is word",
OriginWord = "word",
Translation = "trans is trans",
TranslationWord = "trans"
},
new Phrase()
{
Created = DateTime.Now,
Origin = "what is word 2",
OriginWord = "word",
Translation = "trans is trans 2",
TranslationWord = "trans"
},
});
repo.CreateNew("word2", "translation2", "trans", new[]
{
new Phrase()
{
Created = DateTime.Now,
Origin = "what is word",
OriginWord = "word2",
Translation = "trans is trans",
TranslationWord = "trans2"
},
new Phrase()
{
Created = DateTime.Now,
Origin = "what is word 2",
OriginWord = "word2",
Translation = "trans is trans 2",
TranslationWord = "trans2"
},
});
repo.CreateNew("word3", "translation3", "trans", new[]
{
new Phrase()
{
Created = DateTime.Now,
Origin = "what is word",
OriginWord = "word3",
Translation = "trans is trans",
TranslationWord = "trans3"
},
new Phrase()
{
Created = DateTime.Now,
Origin = "what is word 3",
OriginWord = "word3",
Translation = "trans is trans 3",
TranslationWord = "trans3"
},
});
var words = repo.GetWorst(2);
Assert.IsNotNull(words);
Assert.AreEqual(2, words.Length);
}