1.0.0:first commit

server/routes/records.js

@@ -0,0 +1,191 @@
+const express = require('express');
+const { getDb } = require('../db');
+const { createUserNameResolver, normalizeAmount } = require('../utils/accounting');
+
+const router = express.Router();
+
+function getUsers(db) {
+  return db.all('SELECT id, name FROM users ORDER BY sort_order, id');
+}
+
+function resolveUserName(db, inputName, fallbackName = '') {
+  const users = getUsers(db);
+  const defaultName = fallbackName || users[0]?.name || '';
+  const resolveName = createUserNameResolver(users);
+  const userName = resolveName(inputName, defaultName);
+
+  if (!userName) {
+    return { error: '请先创建用户' };
+  }
+
+  const exists = users.some((user) => user.name === userName);
+  if (!exists) {
+    return { error: '用户不存在，请先在记账页创建用户' };
+  }
+
+  return { userName };
+}
+
+function validateRecordPayload(db, payload, existingRecord = null) {
+  const date = payload.date ?? existingRecord?.date;
+  if (!/^\d{4}-\d{2}-\d{2}$/.test(String(date ?? ''))) {
+    return { error: '日期格式不正确' };
+  }
+
+  const type = payload.type ?? existingRecord?.type;
+  if (!['income', 'expense'].includes(type)) {
+    return { error: '收支类型不正确' };
+  }
+
+  const categoryIdValue = payload.category_id ?? existingRecord?.category_id;
+  const categoryId = Number.parseInt(categoryIdValue, 10);
+  if (!Number.isInteger(categoryId)) {
+    return { error: '分类不能为空' };
+  }
+
+  const category = db.get('SELECT id, type FROM categories WHERE id = ?', categoryId);
+  if (!category) {
+    return { error: '分类不存在' };
+  }
+  if (category.type !== type) {
+    return { error: '分类和收支类型不匹配，请重新选择分类' };
+  }
+
+  const rawAmount = payload.amount !== undefined ? payload.amount : existingRecord?.amount;
+  const amount = normalizeAmount(rawAmount);
+  if (amount === null || amount <= 0) {
+    return { error: '金额必须大于 0，且最多保留两位小数' };
+  }
+
+  const resolvedUser = resolveUserName(db, payload.user, existingRecord?.user);
+  if (resolvedUser.error) {
+    return resolvedUser;
+  }
+
+  return {
+    record: {
+      date,
+      type,
+      category_id: categoryId,
+      amount,
+      note: payload.note === undefined
+        ? (existingRecord?.note ?? null)
+        : (String(payload.note || '').trim() || null),
+      user: resolvedUser.userName,
+    },
+  };
+}
+
+function getRecordWithCategory(db, id) {
+  return db.get(`
+    SELECT r.*, c.name AS category_name, c.type AS category_type, c.icon AS category_icon
+    FROM records r
+    LEFT JOIN categories c ON r.category_id = c.id
+    WHERE r.id = ?
+  `, id);
+}
+
+router.get('/', (req, res) => {
+  const db = getDb();
+  const { date, month, start, end, page, limit = 50 } = req.query;
+
+  let sql = `
+    SELECT r.*, c.name AS category_name, c.type AS category_type, c.icon AS category_icon
+    FROM records r
+    LEFT JOIN categories c ON r.category_id = c.id
+  `;
+  const conditions = [];
+  const params = [];
+
+  if (date) {
+    conditions.push('r.date = ?');
+    params.push(date);
+  } else if (start && end) {
+    conditions.push('r.date BETWEEN ? AND ?');
+    params.push(start, end);
+  } else if (month) {
+    conditions.push('r.date LIKE ?');
+    params.push(`${month}%`);
+  }
+
+  if (conditions.length > 0) {
+    sql += ` WHERE ${conditions.join(' AND ')}`;
+  }
+
+  sql += ' ORDER BY r.date DESC, r.created_at DESC, r.id DESC';
+
+  if (page) {
+    const safeLimit = Number.parseInt(limit, 10) || 50;
+    const offset = (Number.parseInt(page, 10) - 1) * safeLimit;
+    sql += ' LIMIT ? OFFSET ?';
+    params.push(safeLimit, offset);
+  }
+
+  res.json(db.all(sql, ...params));
+});
+
+router.post('/', (req, res) => {
+  const db = getDb();
+  const validated = validateRecordPayload(db, req.body);
+  if (validated.error) {
+    return res.status(400).json({ error: validated.error });
+  }
+
+  const { record } = validated;
+  const result = db.run(
+    'INSERT INTO records (date, type, category_id, amount, note, user) VALUES (?, ?, ?, ?, ?, ?)',
+    record.date,
+    record.type,
+    record.category_id,
+    record.amount,
+    record.note,
+    record.user
+  );
+
+  res.status(201).json(getRecordWithCategory(db, result.lastInsertRowid));
+});
+
+router.put('/:id', (req, res) => {
+  const db = getDb();
+  const id = Number.parseInt(req.params.id, 10);
+  const existingRecord = db.get('SELECT * FROM records WHERE id = ?', id);
+
+  if (!existingRecord) {
+    return res.status(404).json({ error: '记录不存在' });
+  }
+
+  const validated = validateRecordPayload(db, req.body, existingRecord);
+  if (validated.error) {
+    return res.status(400).json({ error: validated.error });
+  }
+
+  const { record } = validated;
+  db.run(`
+    UPDATE records
+    SET date = ?, type = ?, category_id = ?, amount = ?, note = ?, user = ?, updated_at = CURRENT_TIMESTAMP
+    WHERE id = ?
+  `,
+  record.date,
+  record.type,
+  record.category_id,
+  record.amount,
+  record.note,
+  record.user,
+  id);
+
+  res.json(getRecordWithCategory(db, id));
+});
+
+router.delete('/:id', (req, res) => {
+  const db = getDb();
+  const id = Number.parseInt(req.params.id, 10);
+  const result = db.run('DELETE FROM records WHERE id = ?', id);
+
+  if (result.changes === 0) {
+    return res.status(404).json({ error: '记录不存在' });
+  }
+
+  res.json({ message: '删除成功' });
+});
+
+module.exports = router;