Initial backend code

src/routes/equity.js

@@ -0,0 +1,197 @@
+const express = require('express');
+const router = express.Router();
+const { auth } = require('../middleware/auth');
+const Equity = require('../models/Equity');
+
+router.get('/', auth, async (req, res, next) => {
+  try {
+    const {
+      page = 1,
+      limit = 10,
+      status,
+      platform,
+      type,
+      sortBy = 'createdAt',
+      order = 'desc'
+    } = req.query;
+
+    const query = { owner: req.user._id };
+
+    if (status) query.status = status;
+    if (platform) query.platform = platform;
+    if (type) query.type = type;
+
+    const sortOrder = order === 'asc' ? 1 : -1;
+    const skip = (parseInt(page) - 1) * parseInt(limit);
+
+    const [equities, total] = await Promise.all([
+      Equity.find(query)
+        .sort({ [sortBy]: sortOrder })
+        .skip(skip)
+        .limit(parseInt(limit))
+        .lean(),
+      Equity.countDocuments(query)
+    ]);
+
+    res.json({
+      success: true,
+      data: {
+        list: equities,
+        pagination: {
+          page: parseInt(page),
+          limit: parseInt(limit),
+          total,
+          pages: Math.ceil(total / parseInt(limit))
+        }
+      }
+    });
+  } catch (error) {
+    next(error);
+  }
+});
+
+router.get('/:id', auth, async (req, res, next) => {
+  try {
+    const equity = await Equity.findOne({
+      _id: req.params.id,
+      owner: req.user._id
+    });
+
+    if (!equity) {
+      return res.status(404).json({
+        success: false,
+        error: '权益不存在'
+      });
+    }
+
+    res.json({
+      success: true,
+      data: equity
+    });
+  } catch (error) {
+    next(error);
+  }
+});
+
+router.post('/', auth, async (req, res, next) => {
+  try {
+    const {
+      title,
+      description,
+      type,
+      platform,
+      value,
+      unit,
+      validStart,
+      validEnd,
+      images,
+      tags,
+      isTransferable,
+      transferPrice,
+      metadata
+    } = req.body;
+
+    if (!title || !type || !platform || !validStart || !validEnd) {
+      return res.status(400).json({
+        success: false,
+        error: '缺少必填字段'
+      });
+    }
+
+    const equity = await Equity.create({
+      title,
+      description,
+      type,
+      platform,
+      value,
+      unit,
+      validStart: new Date(validStart),
+      validEnd: new Date(validEnd),
+      owner: req.user._id,
+      images,
+      tags,
+      isTransferable,
+      transferPrice,
+      metadata
+    });
+
+    res.status(201).json({
+      success: true,
+      data: equity
+    });
+  } catch (error) {
+    next(error);
+  }
+});
+
+router.put('/:id', auth, async (req, res, next) => {
+  try {
+    const equity = await Equity.findOneAndUpdate(
+      { _id: req.params.id, owner: req.user._id },
+      { ...req.body, updatedAt: new Date() },
+      { new: true, runValidators: true }
+    );
+
+    if (!equity) {
+      return res.status(404).json({
+        success: false,
+        error: '权益不存在或无权限修改'
+      });
+    }
+
+    res.json({
+      success: true,
+      data: equity
+    });
+  } catch (error) {
+    next(error);
+  }
+});
+
+router.delete('/:id', auth, async (req, res, next) => {
+  try {
+    const equity = await Equity.findOneAndDelete({
+      _id: req.params.id,
+      owner: req.user._id
+    });
+
+    if (!equity) {
+      return res.status(404).json({
+        success: false,
+        error: '权益不存在或无权限删除'
+      });
+    }
+
+    res.json({
+      success: true,
+      message: '权益已删除'
+    });
+  } catch (error) {
+    next(error);
+  }
+});
+
+router.get('/platforms/summary', auth, async (req, res, next) => {
+  try {
+    const summary = await Equity.aggregate([
+      { $match: { owner: req.user._id } },
+      {
+        $group: {
+          _id: '$platform',
+          count: { $sum: 1 },
+          totalValue: { $sum: '$value' }
+        }
+      },
+      { $sort: { count: -1 } }
+    ]);
+
+    res.json({
+      success: true,
+      data: summary
+    });
+  } catch (error) {
+    next(error);
+  }
+});
+
+module.exports = router;