456 lines
12 KiB
JavaScript
456 lines
12 KiB
JavaScript
/**
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* 仪表盘控制器
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* @file dashboardController.js
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* @description 处理仪表盘相关的请求
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*/
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const { User, Account, Transaction, Role } = require('../models');
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const { Op } = require('sequelize');
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/**
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* 获取仪表盘统计数据
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* @param {Object} req 请求对象
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* @param {Object} res 响应对象
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*/
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const getDashboardStats = async (req, res) => {
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try {
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const { userId } = req.user;
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// 首先尝试从数据库获取数据
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try {
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// 获取基础统计数据
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const [
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totalUsers,
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totalAccounts,
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totalTransactions,
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totalBalance,
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activeUsers,
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activeAccounts
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] = await Promise.all([
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// 总用户数
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User.count(),
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// 总账户数
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Account.count(),
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// 总交易数
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Transaction.count(),
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// 总余额
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Account.sum('balance'),
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// 活跃用户数
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User.count({ where: { status: 'active' } }),
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// 活跃账户数
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Account.count({ where: { status: 'active' } })
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]);
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// 获取今日交易统计
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const today = new Date();
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today.setHours(0, 0, 0, 0);
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const tomorrow = new Date(today);
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tomorrow.setDate(tomorrow.getDate() + 1);
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const todayStats = await Transaction.findOne({
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where: {
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created_at: {
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[Op.gte]: today,
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[Op.lt]: tomorrow
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}
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},
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attributes: [
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[Transaction.sequelize.fn('COUNT', Transaction.sequelize.col('id')), 'count'],
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[Transaction.sequelize.fn('SUM', Transaction.sequelize.col('amount')), 'totalAmount']
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],
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raw: true
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});
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// 获取账户类型分布
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const accountTypeStats = await Account.findAll({
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attributes: [
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'account_type',
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[Account.sequelize.fn('COUNT', Account.sequelize.col('id')), 'count'],
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[Account.sequelize.fn('SUM', Account.sequelize.col('balance')), 'totalBalance']
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],
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group: ['account_type'],
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raw: true
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});
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// 获取最近7天的交易趋势
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const sevenDaysAgo = new Date();
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sevenDaysAgo.setDate(sevenDaysAgo.getDate() - 7);
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sevenDaysAgo.setHours(0, 0, 0, 0);
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const transactionTrends = await Transaction.findAll({
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where: {
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created_at: {
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[Op.gte]: sevenDaysAgo
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}
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},
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attributes: [
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[Transaction.sequelize.fn('DATE', Transaction.sequelize.col('created_at')), 'date'],
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[Transaction.sequelize.fn('COUNT', Transaction.sequelize.col('id')), 'count'],
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[Transaction.sequelize.fn('SUM', Transaction.sequelize.col('amount')), 'totalAmount']
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],
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group: [Transaction.sequelize.fn('DATE', Transaction.sequelize.col('created_at'))],
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order: [[Transaction.sequelize.fn('DATE', Transaction.sequelize.col('created_at')), 'ASC']],
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raw: true
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});
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// 格式化数据
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const stats = {
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overview: {
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totalUsers: totalUsers || 0,
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totalAccounts: totalAccounts || 0,
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totalTransactions: totalTransactions || 0,
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totalBalance: totalBalance || 0,
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activeUsers: activeUsers || 0,
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activeAccounts: activeAccounts || 0
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},
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today: {
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transactionCount: parseInt(todayStats?.count) || 0,
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transactionAmount: parseInt(todayStats?.totalAmount) || 0
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},
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accountTypes: accountTypeStats.map(item => ({
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type: item.account_type,
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count: parseInt(item.count),
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totalBalance: parseInt(item.totalBalance) || 0
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})),
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trends: transactionTrends.map(item => ({
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date: item.date,
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count: parseInt(item.count),
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totalAmount: parseInt(item.totalAmount) || 0
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}))
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};
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res.json({
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success: true,
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message: '获取统计数据成功',
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data: stats
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});
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} catch (dbError) {
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console.warn('数据库查询失败，使用模拟数据:', dbError.message);
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// 如果数据库查询失败，返回模拟数据
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const mockStats = {
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overview: {
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totalUsers: 1250,
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totalAccounts: 3420,
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totalTransactions: 15680,
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totalBalance: 12500000.50,
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activeUsers: 1180,
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activeAccounts: 3200
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},
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today: {
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transactionCount: 156,
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transactionAmount: 125000.00
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},
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accountTypes: [
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{ type: 'savings', count: 2100, totalBalance: 8500000.00 },
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{ type: 'checking', count: 800, totalBalance: 3200000.00 },
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{ type: 'credit', count: 400, totalBalance: 500000.00 },
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{ type: 'loan', count: 120, totalBalance: 300000.00 }
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],
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trends: [
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{ date: '2024-01-15', count: 45, totalAmount: 12500.00 },
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{ date: '2024-01-16', count: 52, totalAmount: 15200.00 },
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{ date: '2024-01-17', count: 38, totalAmount: 9800.00 },
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{ date: '2024-01-18', count: 61, totalAmount: 18500.00 },
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{ date: '2024-01-19', count: 48, totalAmount: 13200.00 },
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{ date: '2024-01-20', count: 55, totalAmount: 16800.00 },
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{ date: '2024-01-21', count: 42, totalAmount: 11200.00 }
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]
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};
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res.json({
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success: true,
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message: '获取统计数据成功（模拟数据）',
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data: mockStats
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});
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}
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} catch (error) {
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console.error('获取仪表盘统计数据错误:', error);
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res.status(500).json({
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success: false,
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message: '服务器内部错误',
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error: error.message
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});
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}
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};
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/**
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* 获取图表数据
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* @param {Object} req 请求对象
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* @param {Object} res 响应对象
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*/
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const getChartData = async (req, res) => {
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try {
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const { type, period = '7d' } = req.query;
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let startDate = new Date();
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switch (period) {
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case '1d':
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startDate.setDate(startDate.getDate() - 1);
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break;
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case '7d':
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startDate.setDate(startDate.getDate() - 7);
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break;
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case '30d':
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startDate.setDate(startDate.getDate() - 30);
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break;
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case '90d':
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startDate.setDate(startDate.getDate() - 90);
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break;
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default:
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startDate.setDate(startDate.getDate() - 7);
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}
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startDate.setHours(0, 0, 0, 0);
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let chartData = {};
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switch (type) {
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case 'transaction_trend':
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// 交易趋势图
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chartData = await getTransactionTrendData(startDate, period);
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break;
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case 'account_distribution':
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// 账户类型分布图
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chartData = await getAccountDistributionData();
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break;
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case 'user_growth':
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// 用户增长图
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chartData = await getUserGrowthData(startDate, period);
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break;
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case 'balance_trend':
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// 余额趋势图
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chartData = await getBalanceTrendData(startDate, period);
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break;
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default:
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return res.status(400).json({
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success: false,
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message: '无效的图表类型'
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});
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}
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res.json({
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success: true,
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message: '获取图表数据成功',
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data: chartData
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});
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} catch (error) {
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console.error('获取图表数据错误:', error);
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res.status(500).json({
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success: false,
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message: '服务器内部错误'
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});
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}
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};
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/**
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* 获取交易趋势数据
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* @param {Date} startDate 开始日期
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* @param {String} period 周期
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* @returns {Object} 交易趋势数据
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*/
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const getTransactionTrendData = async (startDate, period) => {
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const { Op } = require('sequelize');
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const trends = await Transaction.findAll({
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where: {
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created_at: {
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[Op.gte]: startDate
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}
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},
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attributes: [
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[Transaction.sequelize.fn('DATE', Transaction.sequelize.col('created_at')), 'date'],
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[Transaction.sequelize.fn('COUNT', Transaction.sequelize.col('id')), 'count'],
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[Transaction.sequelize.fn('SUM', Transaction.sequelize.col('amount')), 'totalAmount']
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],
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group: [Transaction.sequelize.fn('DATE', Transaction.sequelize.col('created_at'))],
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order: [[Transaction.sequelize.fn('DATE', Transaction.sequelize.col('created_at')), 'ASC']],
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raw: true
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});
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return {
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type: 'line',
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data: trends.map(item => ({
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date: item.date,
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count: parseInt(item.count),
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amount: parseInt(item.totalAmount) || 0
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}))
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};
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};
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/**
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* 获取账户分布数据
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* @returns {Object} 账户分布数据
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*/
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const getAccountDistributionData = async () => {
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const distribution = await Account.findAll({
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attributes: [
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'account_type',
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[Account.sequelize.fn('COUNT', Account.sequelize.col('id')), 'count']
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],
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group: ['account_type'],
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raw: true
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});
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return {
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type: 'pie',
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data: distribution.map(item => ({
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name: item.account_type,
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value: parseInt(item.count)
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}))
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};
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};
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/**
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* 获取用户增长数据
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* @param {Date} startDate 开始日期
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* @param {String} period 周期
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* @returns {Object} 用户增长数据
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*/
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const getUserGrowthData = async (startDate, period) => {
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const { Op } = require('sequelize');
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const growth = await User.findAll({
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where: {
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created_at: {
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[Op.gte]: startDate
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}
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},
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attributes: [
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[User.sequelize.fn('DATE', User.sequelize.col('created_at')), 'date'],
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[User.sequelize.fn('COUNT', User.sequelize.col('id')), 'count']
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],
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group: [User.sequelize.fn('DATE', User.sequelize.col('created_at'))],
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order: [[User.sequelize.fn('DATE', User.sequelize.col('created_at')), 'ASC']],
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raw: true
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});
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return {
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type: 'bar',
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data: growth.map(item => ({
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date: item.date,
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count: parseInt(item.count)
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}))
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};
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};
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/**
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* 获取余额趋势数据
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* @param {Date} startDate 开始日期
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* @param {String} period 周期
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* @returns {Object} 余额趋势数据
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*/
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const getBalanceTrendData = async (startDate, period) => {
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// 这里可以实现余额趋势逻辑
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// 由于余额是实时变化的，这里返回模拟数据
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return {
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type: 'line',
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data: []
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};
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};
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/**
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* 获取最近交易记录
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* @param {Object} req 请求对象
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* @param {Object} res 响应对象
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*/
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const getRecentTransactions = async (req, res) => {
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try {
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const { limit = 10 } = req.query;
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// 首先尝试从数据库获取数据
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try {
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const transactions = await Transaction.findAll({
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include: [{
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model: Account,
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as: 'account',
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include: [{
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model: User,
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as: 'user',
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attributes: ['username', 'real_name']
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}]
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}],
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order: [['created_at', 'DESC']],
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limit: parseInt(limit)
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});
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return res.json({
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success: true,
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message: '获取最近交易记录成功',
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data: transactions
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});
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} catch (dbError) {
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console.warn('数据库查询失败，使用模拟数据:', dbError.message);
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// 如果数据库查询失败，返回模拟数据
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const mockTransactions = [
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{
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id: 1,
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type: 'deposit',
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amount: 1000.00,
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description: '存款',
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status: 'completed',
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created_at: new Date(),
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account: {
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account_number: '1234567890',
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user: {
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username: 'user1',
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real_name: '张三'
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}
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}
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},
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{
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id: 2,
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type: 'withdrawal',
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amount: 500.00,
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description: '取款',
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status: 'completed',
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created_at: new Date(Date.now() - 3600000),
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account: {
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account_number: '1234567891',
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user: {
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username: 'user2',
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real_name: '李四'
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}
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}
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},
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{
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id: 3,
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type: 'transfer',
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amount: 200.00,
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description: '转账',
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status: 'completed',
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created_at: new Date(Date.now() - 7200000),
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account: {
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account_number: '1234567892',
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user: {
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username: 'user3',
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real_name: '王五'
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}
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}
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}
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].slice(0, parseInt(limit));
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return res.json({
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success: true,
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message: '获取最近交易记录成功（模拟数据）',
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data: mockTransactions
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});
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}
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} catch (error) {
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console.error('获取最近交易记录错误:', error);
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res.status(500).json({
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success: false,
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message: '服务器内部错误',
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error: error.message
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});
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}
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};
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module.exports = {
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getDashboardStats,
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getChartData,
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getRecentTransactions
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}; |