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fix(assistant): «Забыть всё» теперь сбрасывает и производный профиль

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clearMemory ставит точку отсчёта asst_forget_<uid> (datetime now); слабые
предметы/темы в _studentProfile считаются только по активности после неё, так
что панель памяти видимо очищается. Кнопка «Забыть всё» в виджете показывается
лишь при наличии заметок/слабых тем, профиль помечен как авто-обновляемый.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
Maxim Dolgolyov
2026-06-24 22:36:29 +03:00
parent 7b4a274aed
commit 29fc270c0e
2 changed files with 17 additions and 9 deletions
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backend/src/controllers/assistantController.js
+14 -7
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@@ -156,13 +156,16 @@ function weakSubject(uid) {
// Производный профиль (без LLM) — из уже накопленных сигналов.
function _studentProfile(uid) {
const out = { weakSubjects: [], weakTopics: [], exam: null, streak: 0 };
// «Забыть всё» ставит точку отсчёта: производный профиль учитывает только активность ПОСЛЕ неё.
let forget = null;
try { const fr = db.prepare("SELECT value FROM app_settings WHERE key = ?").get('asst_forget_' + uid); forget = (fr && fr.value) || null; } catch (e) {}
try {
out.weakSubjects = db.prepare(`
SELECT s.name AS name, ROUND(AVG(ts.score * 100.0 / ts.total)) AS avg, COUNT(*) AS n
FROM test_sessions ts JOIN subjects s ON s.id = ts.subject_id
WHERE ts.user_id = ? AND ts.status = 'completed' AND ts.total > 0
WHERE ts.user_id = ? AND ts.status = 'completed' AND ts.total > 0${forget ? ' AND ts.finished_at > ?' : ''}
GROUP BY ts.subject_id HAVING n >= 2 AND avg < 70 ORDER BY avg ASC LIMIT 3
`).all(uid).map(r => ({ name: r.name, avg: r.avg }));
`).all(...(forget ? [uid, forget] : [uid])).map(r => ({ name: r.name, avg: r.avg }));
} catch (e) {}
try {
const cand = {}; // трудные темы по ВСЕМ предметам: банк тестов + экзамен
@@ -170,17 +173,17 @@ function _studentProfile(uid) {
db.prepare(`
SELECT t.name AS topic, COUNT(*) AS attempts, SUM(ua.is_correct) AS correct
FROM user_answers ua JOIN questions q ON q.id = ua.question_id JOIN topics t ON t.id = q.topic_id
WHERE ua.session_id IN (SELECT id FROM test_sessions WHERE user_id = ? AND status = 'completed')
WHERE ua.session_id IN (SELECT id FROM test_sessions WHERE user_id = ? AND status = 'completed')${forget ? ' AND ua.answered_at > ?' : ''}
GROUP BY q.topic_id HAVING attempts >= 3
`).all(uid).forEach(r => { cand[r.topic] = { topic: r.topic, attempts: r.attempts, correct: r.correct || 0 }; });
`).all(...(forget ? [uid, forget] : [uid])).forEach(r => { cand[r.topic] = { topic: r.topic, attempts: r.attempts, correct: r.correct || 0 }; });
} catch (e) {}
try {
db.prepare(`
SELECT et.topic AS topic, COUNT(*) AS attempts, SUM(ea.is_correct) AS correct
FROM exam_attempts ea JOIN exam_tasks et ON et.id = ea.exam_task_id
WHERE ea.user_id = ? AND et.topic IS NOT NULL AND et.topic <> ''
WHERE ea.user_id = ? AND et.topic IS NOT NULL AND et.topic <> ''${forget ? ' AND ea.created_at > ?' : ''}
GROUP BY et.topic HAVING attempts >= 3
`).all(uid).forEach(r => {
`).all(...(forget ? [uid, forget] : [uid])).forEach(r => {
const c = cand[r.topic];
if (c) { c.attempts += r.attempts; c.correct += (r.correct || 0); }
else cand[r.topic] = { topic: r.topic, attempts: r.attempts, correct: r.correct || 0 };
@@ -319,7 +322,11 @@ function clearMemory(req, res) {
const uid = req.user.id, id = req.params.id ? Number(req.params.id) : null;
try {
if (id) db.prepare('DELETE FROM assistant_memory WHERE id = ? AND user_id = ?').run(id, uid);
else db.prepare('DELETE FROM assistant_memory WHERE user_id = ?').run(uid);
else {
db.prepare('DELETE FROM assistant_memory WHERE user_id = ?').run(uid);
// «Забыть всё»: сбрасываем и точку отсчёта производного профиля (слабые предметы/темы)
db.prepare("INSERT OR REPLACE INTO app_settings (key, value) VALUES (?, datetime('now'))").run('asst_forget_' + uid);
}
} catch (e) {}
res.json({ ok: true });
}