v1.0.0

backend/src/utils/households.js

@@ -0,0 +1,51 @@
+const { db } = require('../db/db');
+
+function getHouseholdsForUser(userId) {
+  return db
+    .prepare(
+      `SELECT h.* FROM households h
+       JOIN household_members hm ON hm.household_id = h.id
+       WHERE hm.user_id = ?
+       ORDER BY h.created_at`
+    )
+    .all(userId);
+}
+
+function getHouseholdById(householdId) {
+  return db.prepare('SELECT * FROM households WHERE id = ?').get(householdId);
+}
+
+function isMember(householdId, userId) {
+  return !!db
+    .prepare('SELECT 1 FROM household_members WHERE household_id = ? AND user_id = ?')
+    .get(householdId, userId);
+}
+
+function getMembers(householdId) {
+  return db
+    .prepare(
+      `SELECT u.id, u.name, u.email, u.avatar_emoji FROM users u
+       JOIN household_members hm ON hm.user_id = u.id
+       WHERE hm.household_id = ?
+       ORDER BY hm.joined_at`
+    )
+    .all(householdId);
+}
+
+function requireHousehold(req, res, next) {
+  const householdId = req.headers['x-household-id'];
+  if (!householdId) {
+    return res.status(400).json({ error: 'Nie wybrano gospodarstwa (brak nagłówka X-Household-Id)' });
+  }
+  if (!isMember(householdId, req.userId)) {
+    return res.status(403).json({ error: 'Nie jesteś członkiem tego gospodarstwa' });
+  }
+  const household = getHouseholdById(householdId);
+  if (!household) {
+    return res.status(404).json({ error: 'Gospodarstwo nie znalezione' });
+  }
+  req.household = household;
+  next();
+}
+
+module.exports = { getHouseholdsForUser, getHouseholdById, isMember, getMembers, requireHousehold };