5848c2b386
- Dynamic import ListingMap with next/dynamic (ssr: false) in /listings/[id] and /search pages - Extract Recharts into lazy-loaded DistrictBarChart and PriceTrendChart components - /listings/[id] first-load JS: 618KB → 149KB (-76%) - /search first-load JS: 619KB → 150KB (-76%) - Both pages now well under 300KB target Co-Authored-By: Paperclip <noreply@paperclip.ing>
449 lines
18 KiB
TypeScript
449 lines
18 KiB
TypeScript
'use client';
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import dynamic from 'next/dynamic';
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import { useEffect, useState } from 'react';
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import { Button } from '@/components/ui/button';
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import { Card, CardContent, CardDescription, CardHeader, CardTitle } from '@/components/ui/card';
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import { Tabs, TabsList, TabsTrigger, TabsContent } from '@/components/ui/tabs';
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import {
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analyticsApi,
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type MarketReportDistrict,
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type HeatmapDataPoint,
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type DistrictStats,
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type PriceTrendPoint,
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} from '@/lib/analytics-api';
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const DistrictBarChart = dynamic(
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() => import('@/components/charts/district-bar-chart').then((mod) => mod.DistrictBarChart),
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{ ssr: false, loading: () => <div className="flex h-64 items-center justify-center text-muted-foreground">Dang tai bieu do...</div> },
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);
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const PriceTrendChart = dynamic(
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() => import('@/components/charts/price-trend-chart').then((mod) => mod.PriceTrendChart),
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{ ssr: false, loading: () => <div className="flex h-64 items-center justify-center text-muted-foreground">Dang tai bieu do...</div> },
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);
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const CITIES = ['Ho Chi Minh', 'Ha Noi', 'Da Nang'];
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const CURRENT_PERIOD = '2026-Q1';
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const TREND_PERIODS = ['2025-Q1', '2025-Q2', '2025-Q3', '2025-Q4', '2026-Q1'];
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function formatPrice(priceStr: string): string {
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const num = Number(priceStr);
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if (num >= 1_000_000_000) return `${(num / 1_000_000_000).toFixed(1)} ty`;
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if (num >= 1_000_000) return `${(num / 1_000_000).toFixed(0)} trieu`;
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return num.toLocaleString('vi-VN');
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}
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function formatPriceM2(price: number): string {
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if (price >= 1_000_000) return `${(price / 1_000_000).toFixed(1)} tr/m2`;
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return `${price.toLocaleString('vi-VN')} d/m2`;
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}
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function YoYBadge({ value }: { value: number | null }) {
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if (value === null) return <span className="text-xs text-muted-foreground">N/A</span>;
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const isPositive = value >= 0;
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return (
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<span
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className={`inline-flex items-center rounded-full px-2 py-0.5 text-xs font-medium ${isPositive ? 'bg-green-100 text-green-800' : 'bg-red-100 text-red-800'}`}
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>
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{isPositive ? '+' : ''}
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{value.toFixed(1)}%
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</span>
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);
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}
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export default function AnalyticsPage() {
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const [city, setCity] = useState<string>(CITIES[0] ?? 'Ho Chi Minh');
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const [period] = useState(CURRENT_PERIOD);
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const [tab, setTab] = useState('overview');
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const [marketReport, setMarketReport] = useState<MarketReportDistrict[]>([]);
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const [heatmap, setHeatmap] = useState<HeatmapDataPoint[]>([]);
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const [districtStats, setDistrictStats] = useState<DistrictStats[]>([]);
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const [priceTrend, setPriceTrend] = useState<PriceTrendPoint[]>([]);
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const [trendDistrict, setTrendDistrict] = useState<string>('');
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const [loading, setLoading] = useState(true);
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const [trendLoading, setTrendLoading] = useState(false);
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const [error, setError] = useState<string | null>(null);
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useEffect(() => {
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setLoading(true);
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setError(null);
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Promise.all([
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analyticsApi
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.getMarketReport(city, period)
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.catch(() => ({ districts: [] as MarketReportDistrict[] })),
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analyticsApi
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.getHeatmap(city, period)
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.catch(() => ({ dataPoints: [] as HeatmapDataPoint[] })),
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analyticsApi
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.getDistrictStats(city, period)
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.catch(() => ({ districts: [] as DistrictStats[] })),
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])
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.then(([report, heatmapData, stats]) => {
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setMarketReport(report.districts);
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setHeatmap(heatmapData.dataPoints);
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setDistrictStats(stats.districts);
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// Auto-select first district for trend
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const firstDistrict = report.districts[0]?.district ?? '';
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if (firstDistrict && !trendDistrict) {
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setTrendDistrict(firstDistrict);
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}
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})
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.catch(() => setError('Khong the tai du lieu phan tich'))
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.finally(() => setLoading(false));
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}, [city, period]);
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// Load price trend when district changes
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useEffect(() => {
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if (!trendDistrict || !city) return;
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setTrendLoading(true);
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analyticsApi
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.getPriceTrend(trendDistrict, city, 'APARTMENT', TREND_PERIODS)
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.then((res) => setPriceTrend(res.trend))
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.catch(() => setPriceTrend([]))
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.finally(() => setTrendLoading(false));
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}, [trendDistrict, city]);
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const totalListings = marketReport.reduce((sum, d) => sum + d.totalListings, 0);
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const avgDaysOnMarket =
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marketReport.length > 0
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? marketReport.reduce((sum, d) => sum + d.daysOnMarket, 0) / marketReport.length
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: 0;
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const avgPriceM2 =
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marketReport.length > 0
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? marketReport.reduce((sum, d) => sum + d.avgPriceM2, 0) / marketReport.length
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: 0;
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const uniqueDistricts = [...new Set(marketReport.map((d) => d.district))];
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// Chart data for bar chart
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const barChartData = heatmap
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.sort((a, b) => b.avgPriceM2 - a.avgPriceM2)
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.map((p) => ({
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district: p.district.replace(/^Quan\s*/i, 'Q.').replace(/^Huyen\s*/i, 'H.'),
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price: Math.round(p.avgPriceM2 / 1_000_000),
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listings: p.totalListings,
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}));
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// Chart data for line chart
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const trendChartData = priceTrend.map((p) => ({
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period: p.period,
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'Gia/m2': Math.round(p.avgPriceM2 / 1_000_000),
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'Tin dang': p.totalListings,
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}));
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return (
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<div className="space-y-8">
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<div className="flex flex-col gap-4 sm:flex-row sm:items-center sm:justify-between">
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<div>
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<h1 className="text-3xl font-bold">Phan tich thi truong</h1>
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<p className="mt-2 text-muted-foreground">
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Bao cao thi truong bat dong san - {period}
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</p>
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</div>
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<div className="flex gap-2">
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{CITIES.map((c) => (
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<Button
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key={c}
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variant={city === c ? 'default' : 'outline'}
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size="sm"
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onClick={() => setCity(c)}
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>
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{c}
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</Button>
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))}
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</div>
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</div>
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{error && <div className="rounded-md bg-red-50 p-4 text-red-700">{error}</div>}
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{/* Summary Cards */}
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<div className="grid gap-4 sm:grid-cols-2 lg:grid-cols-4">
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<Card>
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<CardHeader className="pb-2">
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<CardDescription>Tong tin dang</CardDescription>
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<CardTitle className="text-2xl">
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{loading ? '...' : totalListings.toLocaleString('vi-VN')}
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</CardTitle>
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</CardHeader>
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</Card>
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<Card>
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<CardHeader className="pb-2">
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<CardDescription>Gia TB/m2</CardDescription>
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<CardTitle className="text-2xl">
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{loading ? '...' : formatPriceM2(avgPriceM2)}
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</CardTitle>
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</CardHeader>
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</Card>
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<Card>
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<CardHeader className="pb-2">
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<CardDescription>Ngay trung binh de ban</CardDescription>
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<CardTitle className="text-2xl">
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{loading ? '...' : `${avgDaysOnMarket.toFixed(0)} ngay`}
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</CardTitle>
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</CardHeader>
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</Card>
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<Card>
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<CardHeader className="pb-2">
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<CardDescription>So quan/huyen</CardDescription>
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<CardTitle className="text-2xl">
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{loading ? '...' : new Set(marketReport.map((d) => d.district)).size}
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</CardTitle>
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</CardHeader>
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</Card>
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</div>
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{/* Tabs */}
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<Tabs value={tab} onValueChange={setTab}>
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<TabsList>
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<TabsTrigger value="overview">Tong quan</TabsTrigger>
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<TabsTrigger value="trends">Xu huong gia</TabsTrigger>
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<TabsTrigger value="districts">Chi tiet quan</TabsTrigger>
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</TabsList>
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{/* Overview Tab */}
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<TabsContent value="overview">
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<div className="mt-4 grid gap-6 lg:grid-cols-2">
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{/* Bar Chart - Price by District */}
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<Card>
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<CardHeader>
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<CardTitle className="text-lg">Gia trung binh theo quan</CardTitle>
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<CardDescription>Trieu VND/m2 tai {city}</CardDescription>
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</CardHeader>
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<CardContent>
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{loading ? (
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<div className="flex h-64 items-center justify-center text-muted-foreground">
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Dang tai...
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</div>
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) : barChartData.length === 0 ? (
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<div className="flex h-64 items-center justify-center text-muted-foreground">
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Chua co du lieu
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</div>
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) : (
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<DistrictBarChart data={barChartData} height={300} dataKey="price" />
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)}
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</CardContent>
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</Card>
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{/* Heatmap - Card Grid */}
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<Card>
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<CardHeader>
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<CardTitle className="text-lg">Ban do gia theo quan</CardTitle>
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<CardDescription>So sanh gia trung binh/m2 tai {city}</CardDescription>
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</CardHeader>
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<CardContent>
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{loading ? (
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<div className="flex h-64 items-center justify-center text-muted-foreground">
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Dang tai...
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</div>
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) : heatmap.length === 0 ? (
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<div className="flex h-64 items-center justify-center text-muted-foreground">
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Chua co du lieu
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</div>
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) : (
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<div className="grid gap-2 sm:grid-cols-2">
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{heatmap
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.sort((a, b) => b.avgPriceM2 - a.avgPriceM2)
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.slice(0, 8)
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.map((point) => {
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const maxPrice = Math.max(...heatmap.map((h) => h.avgPriceM2));
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const intensity = Math.round((point.avgPriceM2 / maxPrice) * 100);
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return (
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<div
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key={point.district}
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className="cursor-pointer rounded-lg border p-3 transition-shadow hover:shadow-md"
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style={{
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background: `linear-gradient(135deg, hsl(${120 - intensity * 1.2}, 70%, 95%), hsl(${120 - intensity * 1.2}, 70%, 85%))`,
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}}
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onClick={() => {
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setTrendDistrict(point.district);
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setTab('trends');
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}}
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>
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<div className="font-medium">{point.district}</div>
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<div className="text-sm font-semibold">
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{formatPriceM2(point.avgPriceM2)}
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</div>
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<div className="text-xs text-muted-foreground">
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{point.totalListings} tin dang
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</div>
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</div>
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);
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})}
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</div>
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)}
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</CardContent>
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</Card>
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</div>
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</TabsContent>
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{/* Trends Tab */}
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<TabsContent value="trends">
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<div className="mt-4 space-y-6">
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{/* District selector */}
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<div className="flex flex-wrap gap-2">
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{uniqueDistricts.map((d) => (
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<Button
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key={d}
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variant={trendDistrict === d ? 'default' : 'outline'}
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size="sm"
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onClick={() => setTrendDistrict(d)}
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>
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{d}
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</Button>
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))}
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</div>
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<Card>
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<CardHeader>
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<CardTitle className="text-lg">
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Xu huong gia - {trendDistrict || 'Chon quan'}
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</CardTitle>
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<CardDescription>
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Bien dong gia trung binh/m2 qua cac quy (Can ho)
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</CardDescription>
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</CardHeader>
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<CardContent>
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{trendLoading ? (
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<div className="flex h-64 items-center justify-center text-muted-foreground">
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Dang tai...
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</div>
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) : trendChartData.length === 0 ? (
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<div className="flex h-64 items-center justify-center text-muted-foreground">
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Chua co du lieu xu huong
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</div>
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) : (
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<PriceTrendChart data={trendChartData} height={350} />
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)}
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</CardContent>
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</Card>
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</div>
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</TabsContent>
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{/* District Stats Tab */}
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<TabsContent value="districts">
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<div className="mt-4 space-y-6">
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{/* Stats Table */}
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<Card>
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<CardHeader>
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<CardTitle className="text-lg">Thong ke chi tiet theo quan</CardTitle>
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<CardDescription>
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Du lieu thi truong bat dong san tai {city} - {period}
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</CardDescription>
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</CardHeader>
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<CardContent>
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{loading ? (
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<div className="flex h-48 items-center justify-center text-muted-foreground">
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Dang tai...
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</div>
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) : districtStats.length === 0 ? (
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<div className="flex h-48 items-center justify-center text-muted-foreground">
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Chua co du lieu
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</div>
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) : (
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<div className="overflow-x-auto">
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<table className="w-full text-sm">
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<thead>
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<tr className="border-b text-left">
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<th className="pb-2 pr-4 font-medium">Quan</th>
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<th className="pb-2 pr-4 font-medium">Loai BDS</th>
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<th className="pb-2 pr-4 font-medium text-right">Gia trung vi</th>
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<th className="pb-2 pr-4 font-medium text-right">Gia/m2</th>
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<th className="pb-2 pr-4 font-medium text-right">Tin dang</th>
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<th className="pb-2 pr-4 font-medium text-right">Ngay ban</th>
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<th className="pb-2 font-medium text-right">YoY</th>
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</tr>
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</thead>
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<tbody>
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{districtStats.map((stat, i) => (
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<tr
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key={`${stat.district}-${stat.propertyType}-${i}`}
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className="border-b last:border-0"
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>
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<td className="py-2 pr-4">{stat.district}</td>
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<td className="py-2 pr-4 text-xs text-muted-foreground">
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{stat.propertyType}
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</td>
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<td className="py-2 pr-4 text-right font-medium">
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{formatPrice(stat.medianPrice)}
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</td>
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<td className="py-2 pr-4 text-right">
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{formatPriceM2(stat.avgPriceM2)}
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</td>
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<td className="py-2 pr-4 text-right">{stat.totalListings}</td>
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<td className="py-2 pr-4 text-right">
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{stat.daysOnMarket.toFixed(0)}
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</td>
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<td className="py-2 text-right">
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<YoYBadge value={stat.yoyChange} />
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</td>
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</tr>
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))}
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</tbody>
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</table>
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</div>
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)}
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</CardContent>
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</Card>
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{/* Market Report Cards */}
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<Card>
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<CardHeader>
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<CardTitle className="text-lg">Bao cao thi truong</CardTitle>
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<CardDescription>Tong hop chi so thi truong theo tung quan</CardDescription>
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</CardHeader>
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<CardContent>
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{loading ? (
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<div className="flex h-48 items-center justify-center text-muted-foreground">
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Dang tai...
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</div>
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) : marketReport.length === 0 ? (
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<div className="flex h-48 items-center justify-center text-muted-foreground">
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Chua co du lieu
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</div>
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) : (
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<div className="grid gap-4 sm:grid-cols-2 lg:grid-cols-3">
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{[...new Map(marketReport.map((d) => [d.district, d])).values()].map(
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(district) => (
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<div key={district.district} className="rounded-lg border p-4">
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<h3 className="font-semibold">{district.district}</h3>
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<div className="mt-2 space-y-1 text-sm">
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<div className="flex justify-between">
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<span className="text-muted-foreground">Gia trung vi</span>
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<span className="font-medium">
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{formatPrice(district.medianPrice)}
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</span>
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</div>
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<div className="flex justify-between">
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<span className="text-muted-foreground">Gia/m2</span>
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<span>{formatPriceM2(district.avgPriceM2)}</span>
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</div>
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<div className="flex justify-between">
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<span className="text-muted-foreground">Tin dang</span>
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<span>{district.totalListings}</span>
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</div>
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<div className="flex justify-between">
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<span className="text-muted-foreground">Ton kho</span>
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<span>{district.inventoryLevel}</span>
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</div>
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<div className="flex justify-between">
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<span className="text-muted-foreground">Thay doi YoY</span>
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<YoYBadge value={district.yoyChange} />
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</div>
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</div>
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</div>
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),
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)}
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</div>
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)}
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</CardContent>
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</Card>
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</div>
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</TabsContent>
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</Tabs>
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</div>
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);
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}
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