129 lines
3.7 KiB
TypeScript
129 lines
3.7 KiB
TypeScript
import { NextRequest, NextResponse } from 'next/server'
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import { auth } from '@/auth'
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import { prisma } from '@/lib/prisma'
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export async function GET() {
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try {
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const session = await auth()
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if (!session?.user?.id || session.user.role !== 'ADMIN') {
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return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
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}
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// Get current date ranges
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const now = new Date()
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const startOfMonth = new Date(now.getFullYear(), now.getMonth(), 1)
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const startOfLastMonth = new Date(now.getFullYear(), now.getMonth() - 1, 1)
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const endOfLastMonth = new Date(now.getFullYear(), now.getMonth(), 0)
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// Get current totals
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const [totalUsers, totalProducts, totalOrders, totalRevenueResult] = await Promise.all([
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prisma.user.count(),
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prisma.product.count({ where: { isActive: true } }),
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prisma.order.count(),
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prisma.order.aggregate({
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where: { status: { in: ['PAID', 'SHIPPED', 'DELIVERED'] } },
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_sum: { total: true }
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})
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])
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// Get last month data for comparison
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const [lastMonthUsers, lastMonthProducts, lastMonthOrders, lastMonthRevenueResult] = await Promise.all([
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prisma.user.count({
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where: {
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joinedAt: {
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gte: startOfLastMonth,
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lte: endOfLastMonth
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}
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}
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}),
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prisma.product.count({
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where: {
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isActive: true,
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createdAt: {
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gte: startOfLastMonth,
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lte: endOfLastMonth
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}
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}
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}),
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prisma.order.count({
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where: {
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createdAt: {
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gte: startOfLastMonth,
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lte: endOfLastMonth
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}
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}
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}),
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prisma.order.aggregate({
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where: {
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status: { in: ['PAID', 'SHIPPED', 'DELIVERED'] },
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createdAt: {
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gte: startOfLastMonth,
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lte: endOfLastMonth
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}
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},
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_sum: { total: true }
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})
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])
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// Get this month data
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const [thisMonthUsers, thisMonthProducts, thisMonthOrders, thisMonthRevenueResult] = await Promise.all([
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prisma.user.count({
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where: {
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joinedAt: { gte: startOfMonth }
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}
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}),
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prisma.product.count({
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where: {
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isActive: true,
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createdAt: { gte: startOfMonth }
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}
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}),
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prisma.order.count({
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where: {
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createdAt: { gte: startOfMonth }
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}
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}),
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prisma.order.aggregate({
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where: {
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status: { in: ['PAID', 'SHIPPED', 'DELIVERED'] },
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createdAt: { gte: startOfMonth }
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},
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_sum: { total: true }
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})
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])
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// Calculate growth percentages
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const calculateGrowth = (current: number, previous: number) => {
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if (previous === 0) return current > 0 ? 100 : 0
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return ((current - previous) / previous) * 100
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}
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const totalRevenue = totalRevenueResult._sum.total || 0
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const lastMonthRevenue = lastMonthRevenueResult._sum.total || 0
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const thisMonthRevenue = thisMonthRevenueResult._sum.total || 0
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const userGrowth = calculateGrowth(thisMonthUsers, lastMonthUsers)
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const productGrowth = calculateGrowth(thisMonthProducts, lastMonthProducts)
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const orderGrowth = calculateGrowth(thisMonthOrders, lastMonthOrders)
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const revenueGrowth = calculateGrowth(thisMonthRevenue, lastMonthRevenue)
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return NextResponse.json({
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totalUsers,
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totalProducts,
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totalOrders,
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totalRevenue,
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userGrowth,
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productGrowth,
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orderGrowth,
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revenueGrowth
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})
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} catch (error) {
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console.error('Error fetching dashboard stats:', error)
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return NextResponse.json(
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{ error: 'Failed to fetch dashboard stats' },
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{ status: 500 }
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)
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}
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}
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