public AliceResponse HandleRequest(AliceRequest request)
{
// start
if (request.IsEnter())
{
var currentTime = DateTimeOffset.Now.ToUnixTimeMilliseconds();
var resp = request.State.User.LastEnter < currentTime - 30 * 24 * 3600000L
? Phrases.FirstRun.Generate(request)
: Phrases.Hi.Generate(request);
resp.UserStateUpdate.LastEnter = currentTime;
return(resp);
}
// help command
if (request.HasIntent(Intents.YandexHelp1) || request.HasIntent(Intents.YandexHelp2))
{
return(Phrases.Help.Generate(request));
}
// exit
if (request.HasIntent(Intents.Exit))
{
var exit = Phrases.Exit.Generate(request);
exit.Response.EndSession = true;
return(exit);
}
// by letters
if (request.HasIntent(Intents.ByLetters))
{
var w = request.GetSlot(Intents.ByLetters, Slots.Word);
var accent = -1;
if (w.IsNullOrEmpty() && !request.State.Session.LastForm.IsNullOrEmpty())
{
w = request.State.Session.LastForm;
accent = request.State.Session.LastFormAccent;
}
else if (!w.IsNullOrEmpty() && _nMorph.WordExists(w))
{
request.State.Session.Clear();
request.State.Session.LastWord = w;
}
return(ReadByLetters(w, accent).Generate(request));
}
// has word
var filler = new [] { "слово", "слова", "слов", "словом" };
// workaround
var startsFromFiller = request.Request.Nlu.Tokens.Count == 2 &&
filler.Contains(request.Request.Nlu.Tokens[0]);
var hasWord = request.HasSlot(Intents.Main, Slots.Word) ||
request.Request.Nlu.Tokens.Count == 1 ||
startsFromFiller;
var changeForm = Slots.GrammemeSlots.Any(s => request.HasSlot(Intents.Main, s));
// no word / unknown command
if (
!hasWord &&
(
request.State.Session.LastWord.IsNullOrEmpty() ||
(!changeForm && !request.HasIntent(Intents.ByLetters))
)
)
{
return(Phrases.UnknownCommand.Generate(request));
}
// word command
if (hasWord)
{
request.State.Session.LastWord = request.HasSlot(Intents.Main, Slots.Word)
? request.GetSlot(Intents.Main, Slots.Word)
: startsFromFiller
? request.Request.Nlu.Tokens[1]
: request.Request.Nlu.Tokens.First();
}
// word not exists
if (!_nMorph.WordExists(request.State.Session.LastWord))
{
var resp = Phrases.UnknownWord(request.State.Session.LastWord).Generate(request);
request.State.Session.Clear();
return(resp);
}
// word exists, find it
var words = _nMorph.WordInfo(request.State.Session.LastWord);
// get all slots
var pos = ParseEnum <Pos>(request, Slots.Pos);
var number = ParseEnum <Number>(request, Slots.Number);
var gender = ParseEnum <Gender>(request, Slots.Gender);
var @case = ParseEnum <Case>(request, Slots.Case);
var tense = ParseEnum <Tense>(request, Slots.Tense);
var person = ParseEnum <Person>(request, Slots.Person);
// filter by pos if possible
if (pos != Pos.None && words.Any(w => w.Tag.Pos == pos))
{
words = words.Where(w => w.Tag.Pos == pos).ToArray();
}
// find forms
var exactForms = new List <(Word, WordForm)>();
var nonExactForms = new List <(Word, WordForm)>();
foreach (var w in words)
{
if (!changeForm)
{
// get form from input word
var formsFound = w.ExactForms(request.State.Session.LastWord);
exactForms.AddRange(formsFound.Select(f => (w, f)));
}
else
{
// get form from input data
var form = w.ClosestForm(gender, @case, number, tense, person, true);
if (form != null)
{
exactForms.Add((w, form));
}
else
{
form = w.ClosestForm(gender, @case, number, tense, person, false);
nonExactForms.Add((w, form));
}
}
}
// no forms found
if (exactForms.Count == 0 && nonExactForms.Count == 0)
{
return(Phrases.UnknownForm.Generate(request));
}
// read all found forms
var response = Phrases.StandardButtons;
var formsToRead = exactForms;
if (exactForms.Count == 0)
{
formsToRead = nonExactForms;
response += Phrases.NonExactForms;
}
request.State.Session.LastForm = formsToRead.First().Item2.Word;
request.State.Session.LastFormAccent = formsToRead.First().Item2.GetAccentIndex();
for (var i = 0; i < formsToRead.Count; i++)
{
var(w, f) = formsToRead[i];
response += ReadSingleForm(w, f, i == formsToRead.Count - 1);
}
return(response.Generate(request));
}