Initial commit: StudyOS platform

server/routes/progress.js

@@ -0,0 +1,78 @@
+const express = require('express');
+const db = require('../db');
+const router = express.Router();
+
+// GET /api/progress — all topics with pct calculation
+router.get('/', (req, res) => {
+  try {
+    const rows = db.prepare('SELECT * FROM progress ORDER BY topic').all();
+    const result = rows.map(r => {
+      const pct = r.exercises_done > 0 ? Math.round((r.exercises_correct / r.exercises_done) * 100) : 0;
+      return {
+        topic: r.topic,
+        exercises_done: r.exercises_done,
+        exercises_correct: r.exercises_correct,
+        percentage: pct,
+        last_session: r.last_session,
+        notes: r.notes,
+      };
+    });
+    res.json(result);
+  } catch (err) {
+    console.error('[progress] list error:', err.message);
+    res.status(500).json({ error: err.message });
+  }
+});
+
+// PUT /api/progress/:topic — update exercises (body: { correct: bool })
+router.put('/:topic', (req, res) => {
+  const topic = req.params.topic;
+  const { correct } = req.body;
+
+  if (correct === undefined) {
+    return res.status(400).json({ error: 'correct is required' });
+  }
+
+  try {
+    const existing = db.prepare('SELECT * FROM progress WHERE topic = ?').get(topic);
+    if (existing) {
+      db.prepare(`
+        UPDATE progress SET
+          exercises_done = exercises_done + 1,
+          exercises_correct = exercises_correct + ?,
+          last_session = datetime('now')
+        WHERE topic = ?
+      `).run(correct === true ? 1 : 0, topic);
+    } else {
+      db.prepare(`
+        INSERT INTO progress (topic, exercises_done, exercises_correct, last_session, notes)
+        VALUES (?, 1, ?, datetime('now'), '[]')
+      `).run(topic, correct === true ? 1 : 0);
+    }
+
+    const row = db.prepare('SELECT * FROM progress WHERE topic = ?').get(topic);
+    const pct = row.exercises_done > 0 ? Math.round((row.exercises_correct / row.exercises_done) * 100) : 0;
+    res.json({ ...row, percentage: pct });
+  } catch (err) {
+    console.error('[progress] update error:', err.message);
+    res.status(500).json({ error: err.message });
+  }
+});
+
+// DELETE /api/progress/:topic — reset
+router.delete('/:topic', (req, res) => {
+  const topic = req.params.topic;
+
+  try {
+    const info = db.prepare('DELETE FROM progress WHERE topic = ?').run(topic);
+    if (info.changes === 0) {
+      return res.status(404).json({ error: 'Topic not found' });
+    }
+    res.json({ deleted: true });
+  } catch (err) {
+    console.error('[progress] delete error:', err.message);
+    res.status(500).json({ error: err.message });
+  }
+});
+
+module.exports = router;