feat: implement knowledge testing system with leaderboard, quiz generation, and PocketBase integration

src/lib/db.js

@@ -0,0 +1,245 @@
+import { pb } from './pb';
+
+// ── Topics ──────────────────────────────────────────────────────────────────
+
+export async function getTopics() {
+  return pb.collection('topics').getFullList({ sort: 'created' });
+}
+
+export async function saveTopics(topics) {
+  const existing = await pb.collection('topics').getFullList({ fields: 'id' });
+  await Promise.all(existing.map(r => pb.collection('topics').delete(r.id)));
+  return Promise.all(topics.map(t => pb.collection('topics').create({
+    id: t.id,
+    label: t.label,
+    type: t.type,
+    description: t.description,
+  })));
+}
+
+export async function upsertTopic(topic) {
+  try {
+    await pb.collection('topics').getOne(topic.id);
+    return pb.collection('topics').update(topic.id, topic);
+  } catch {
+    return pb.collection('topics').create({ id: topic.id, ...topic });
+  }
+}
+
+// ── Relations ────────────────────────────────────────────────────────────────
+
+export async function getRelations() {
+  return pb.collection('relations').getFullList();
+}
+
+export async function saveRelations(relations) {
+  const existing = await pb.collection('relations').getFullList({ fields: 'id' });
+  await Promise.all(existing.map(r => pb.collection('relations').delete(r.id)));
+  return Promise.all(relations.map(r => pb.collection('relations').create(r)));
+}
+
+export async function addRelation(relation) {
+  return pb.collection('relations').create(relation);
+}
+
+export async function removeRelation(source, target, type) {
+  const records = await pb.collection('relations').getFullList({
+    filter: `source="${source}" && target="${target}" && type="${type}"`,
+  });
+  return Promise.all(records.map(r => pb.collection('relations').delete(r.id)));
+}
+
+// ── Content ──────────────────────────────────────────────────────────────────
+
+export async function getContent(topicId) {
+  try {
+    const r = await pb.collection('content').getFirstListItem(`topic_id="${topicId}"`);
+    return r.data;
+  } catch { return null; }
+}
+
+export async function setContent(topicId, data) {
+  try {
+    const r = await pb.collection('content').getFirstListItem(`topic_id="${topicId}"`);
+    return pb.collection('content').update(r.id, { data });
+  } catch {
+    return pb.collection('content').create({ topic_id: topicId, data });
+  }
+}
+
+export async function deleteContent(topicId) {
+  try {
+    const r = await pb.collection('content').getFirstListItem(`topic_id="${topicId}"`);
+    return pb.collection('content').delete(r.id);
+  } catch { /* no record, nothing to do */ }
+}
+
+// ── Quiz Banks ───────────────────────────────────────────────────────────────
+
+export async function getQuizBank(topicId) {
+  try {
+    const r = await pb.collection('quiz_banks').getFirstListItem(`topic_id="${topicId}"`);
+    return r.questions || [];
+  } catch { return []; }
+}
+
+export async function setQuizBank(topicId, questions) {
+  try {
+    const r = await pb.collection('quiz_banks').getFirstListItem(`topic_id="${topicId}"`);
+    return pb.collection('quiz_banks').update(r.id, { questions });
+  } catch {
+    return pb.collection('quiz_banks').create({ topic_id: topicId, questions });
+  }
+}
+
+export async function deleteQuestionFromBank(topicId, questionId) {
+  const questions = await getQuizBank(topicId);
+  return setQuizBank(topicId, questions.filter(q => q.id !== questionId));
+}
+
+// ── Sources ──────────────────────────────────────────────────────────────────
+
+export async function getSources() {
+  return pb.collection('sources').getFullList({ sort: '-created' });
+}
+
+export async function addSource(source) {
+  return pb.collection('sources').create(source);
+}
+
+export async function updateSourceStatus(id, status, error = '') {
+  return pb.collection('sources').update(id, { status, error });
+}
+
+export async function deleteSource(id) {
+  return pb.collection('sources').delete(id);
+}
+
+// ── Team Members ─────────────────────────────────────────────────────────────
+
+export async function getTeamMembers() {
+  return pb.collection('team_members').getFullList({ sort: 'created' });
+}
+
+export async function addTeamMember(member) {
+  return pb.collection('team_members').create(member);
+}
+
+export async function updateTeamMember(id, data) {
+  return pb.collection('team_members').update(id, data);
+}
+
+export async function deleteTeamMember(id) {
+  return pb.collection('team_members').delete(id);
+}
+
+// ── Quiz Results ─────────────────────────────────────────────────────────────
+
+export async function getQuizResult(userId, weekNumber) {
+  try {
+    return await pb.collection('quiz_results').getFirstListItem(
+      `user_id="${userId}" && week_number=${weekNumber}`
+    );
+  } catch { return null; }
+}
+
+export async function saveQuizResult(userId, weekNumber, result) {
+  return pb.collection('quiz_results').create({
+    user_id: userId,
+    week_number: weekNumber,
+    score: result.score,
+    total: result.total,
+    percentage: result.percentage,
+    time_used: result.timeUsed,
+    completed_at: result.completedAt,
+    breakdown: result.breakdown,
+    points_earned: result.pointsEarned,
+  });
+}
+
+// ── Quiz Cache ────────────────────────────────────────────────────────────────
+
+export async function getCachedQuiz(userId, weekNumber) {
+  try {
+    return await pb.collection('quiz_cache').getFirstListItem(
+      `user_id="${userId}" && week_number=${weekNumber}`
+    );
+  } catch { return null; }
+}
+
+export async function setCachedQuiz(userId, weekNumber, quiz) {
+  try {
+    const r = await pb.collection('quiz_cache').getFirstListItem(
+      `user_id="${userId}" && week_number=${weekNumber}`
+    );
+    return pb.collection('quiz_cache').update(r.id, { questions: quiz.questions, meta: quiz.meta });
+  } catch {
+    return pb.collection('quiz_cache').create({
+      user_id: userId, week_number: weekNumber, questions: quiz.questions, meta: quiz.meta,
+    });
+  }
+}
+
+// ── Learn Progress ────────────────────────────────────────────────────────────
+
+export async function getLearnDone(userId, weekNumber) {
+  try {
+    const r = await pb.collection('learn_progress').getFirstListItem(
+      `user_id="${userId}" && week_number=${weekNumber}`
+    );
+    return r.done;
+  } catch { return false; }
+}
+
+export async function setLearnDone(userId, weekNumber) {
+  try {
+    const r = await pb.collection('learn_progress').getFirstListItem(
+      `user_id="${userId}" && week_number=${weekNumber}`
+    );
+    return pb.collection('learn_progress').update(r.id, { done: true });
+  } catch {
+    return pb.collection('learn_progress').create({ user_id: userId, week_number: weekNumber, done: true });
+  }
+}
+
+// ── Leaderboard ───────────────────────────────────────────────────────────────
+
+export async function getLeaderboard() {
+  return pb.collection('leaderboard').getFullList({ sort: '-points' });
+}
+
+export async function upsertLeaderboardEntry(userId, name, pointsDelta, testsCompletedDelta = 0) {
+  try {
+    const r = await pb.collection('leaderboard').getFirstListItem(`user_id="${userId}"`);
+    return pb.collection('leaderboard').update(r.id, {
+      points: (r.points || 0) + pointsDelta,
+      tests_completed: (r.tests_completed || 0) + testsCompletedDelta,
+    });
+  } catch {
+    return pb.collection('leaderboard').create({
+      user_id: userId,
+      name,
+      points: pointsDelta,
+      tests_completed: testsCompletedDelta,
+      learnings_completed: 0,
+    });
+  }
+}
+
+// ── Settings ──────────────────────────────────────────────────────────────────
+
+export async function getSetting(key, defaultValue = null) {
+  try {
+    const r = await pb.collection('settings').getFirstListItem(`key="${key}"`);
+    return r.value ?? defaultValue;
+  } catch { return defaultValue; }
+}
+
+export async function setSetting(key, value) {
+  try {
+    const r = await pb.collection('settings').getFirstListItem(`key="${key}"`);
+    return pb.collection('settings').update(r.id, { value: String(value) });
+  } catch {
+    return pb.collection('settings').create({ key, value: String(value) });
+  }
+}