131 lines
4.0 KiB
JavaScript
131 lines
4.0 KiB
JavaScript
const express = require('express');
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const router = express.Router();
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const { getDb, ensureUserDefaultCategories } = require('../db/database');
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// GET /api/categories
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router.get('/', (req, res) => {
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const db = getDb();
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ensureUserDefaultCategories(req.user.id);
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const categories = db.prepare(`
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SELECT id, user_id, name, created_at, updated_at
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FROM categories
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WHERE user_id = ?
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ORDER BY name COLLATE NOCASE ASC
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`).all(req.user.id);
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const billsByCategory = db.prepare(`
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SELECT
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b.id,
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b.category_id,
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b.name,
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b.active,
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b.expected_amount,
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b.due_day,
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COUNT(p.id) AS payment_count,
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COALESCE(SUM(p.amount), 0) AS total_paid,
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MAX(p.paid_date) AS last_paid_date
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FROM bills b
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LEFT JOIN payments p
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ON p.bill_id = b.id
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AND p.deleted_at IS NULL
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WHERE b.user_id = ?
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AND b.category_id = ?
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GROUP BY b.id
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ORDER BY b.active DESC, b.due_day ASC, b.name COLLATE NOCASE ASC
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`);
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const shaped = categories.map(category => {
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const bills = billsByCategory.all(req.user.id, category.id).map(bill => ({
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...bill,
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active: !!bill.active,
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payment_count: Number(bill.payment_count || 0),
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total_paid: Number(bill.total_paid || 0),
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last_paid_date: bill.last_paid_date || null,
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}));
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const activeBillCount = bills.filter(bill => bill.active).length;
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const inactiveBillCount = bills.length - activeBillCount;
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const paymentCount = bills.reduce((sum, bill) => sum + bill.payment_count, 0);
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return {
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...category,
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bill_count: activeBillCount,
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active_bill_count: activeBillCount,
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inactive_bill_count: inactiveBillCount,
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payment_count: paymentCount,
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bill_names: bills.map(bill => bill.name),
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bills,
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};
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});
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res.json(shaped);
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});
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// POST /api/categories
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router.post('/', (req, res) => {
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const db = getDb();
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const { name } = req.body;
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if (!name) return res.status(400).json({ error: 'name is required' });
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try {
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const result = db.prepare('INSERT INTO categories (user_id, name) VALUES (?, ?)').run(req.user.id, name.trim());
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const created = db.prepare('SELECT * FROM categories WHERE id = ?').get(result.lastInsertRowid);
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res.status(201).json(created);
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} catch (e) {
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if (e.message.includes('UNIQUE')) {
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return res.status(409).json({ error: 'Category already exists' });
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}
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throw e;
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}
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});
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// PUT /api/categories/:id
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router.put('/:id', (req, res) => {
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const db = getDb();
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const { name } = req.body;
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if (!name) return res.status(400).json({ error: 'name is required' });
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const cat = db.prepare('SELECT id FROM categories WHERE id = ? AND user_id = ?').get(req.params.id, req.user.id);
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if (!cat) return res.status(404).json({ error: 'Category not found' });
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try {
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db.prepare("UPDATE categories SET name = ?, updated_at = datetime('now') WHERE id = ? AND user_id = ?")
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.run(name.trim(), req.params.id, req.user.id);
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res.json(db.prepare('SELECT * FROM categories WHERE id = ? AND user_id = ?').get(req.params.id, req.user.id));
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} catch (e) {
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if (e.message.includes('UNIQUE')) {
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return res.status(409).json({ error: 'Category already exists' });
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}
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throw e;
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}
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});
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// DELETE /api/categories/:id
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router.delete('/:id', (req, res) => {
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const db = getDb();
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const cat = db.prepare('SELECT id FROM categories WHERE id = ? AND user_id = ?').get(req.params.id, req.user.id);
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if (!cat) return res.status(404).json({ error: 'Category not found' });
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const deleteCategory = db.transaction(() => {
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const bills = db.prepare(`
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UPDATE bills
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SET category_id = NULL, updated_at = datetime('now')
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WHERE category_id = ? AND user_id = ?
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`).run(req.params.id, req.user.id);
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const deleted = db.prepare('DELETE FROM categories WHERE id = ? AND user_id = ?')
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.run(req.params.id, req.user.id);
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return {
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deleted: deleted.changes,
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uncategorized_bills: bills.changes,
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};
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});
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const result = deleteCategory();
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res.json({ success: true, ...result });
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});
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module.exports = router;
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