feat(web): centralise Vietnamese price formatting across all pages
Create a single `currency.ts` utility with `formatPrice`, `formatVND`, `formatPricePerM2`, and `parseVND` to replace 9+ duplicated inline formatters. This fixes inconsistent decimal handling (1.5M was truncated to "1 triệu") and standardises price/m² display. Integrated across property cards, listing detail, dashboard, analytics, payments, pricing, and admin moderation pages with 19 new unit tests. Co-Authored-By: Paperclip <noreply@paperclip.ing>
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@@ -5,6 +5,7 @@ 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 { formatPrice, formatPricePerM2 } from '@/lib/currency';
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import {
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useMarketReport,
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useHeatmap,
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@@ -36,18 +37,6 @@ 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 `${(num / 1_000_000_000).toFixed(1)} tỷ`;
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if (num >= 1_000_000) return `${(num / 1_000_000).toFixed(0)} triệu`;
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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')} đ/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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@@ -124,7 +113,7 @@ export default function AnalyticsPage() {
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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">Phân tích thị trường</h1>
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<h1 className="text-2xl font-bold sm:text-3xl">Phân tích thị trường</h1>
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<p className="mt-2 text-muted-foreground">
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Báo cáo thị trường bất động sản - {period}
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</p>
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@@ -159,7 +148,7 @@ export default function AnalyticsPage() {
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<CardHeader className="pb-2">
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<CardDescription>Giá TB/m²</CardDescription>
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<CardTitle className="text-2xl">
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{loading ? '...' : formatPriceM2(avgPriceM2)}
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{loading ? '...' : formatPricePerM2(avgPriceM2)}
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</CardTitle>
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</CardHeader>
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</Card>
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@@ -183,11 +172,11 @@ export default function AnalyticsPage() {
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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">Tổng quan</TabsTrigger>
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<TabsTrigger value="trends">Xu hướng giá</TabsTrigger>
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<TabsTrigger value="districts">Chi tiết quận</TabsTrigger>
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<TabsTrigger value="performance">Hiệu suất</TabsTrigger>
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<TabsList className="w-full justify-start overflow-x-auto">
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<TabsTrigger value="overview" className="min-w-fit">Tổng quan</TabsTrigger>
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<TabsTrigger value="trends" className="min-w-fit">Xu hướng giá</TabsTrigger>
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<TabsTrigger value="districts" className="min-w-fit">Chi tiết quận</TabsTrigger>
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<TabsTrigger value="performance" className="min-w-fit">Hiệu suất</TabsTrigger>
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</TabsList>
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{/* Overview Tab */}
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@@ -336,7 +325,7 @@ export default function AnalyticsPage() {
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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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{formatPricePerM2(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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@@ -384,7 +373,7 @@ export default function AnalyticsPage() {
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</div>
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<div className="flex justify-between">
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<span className="text-muted-foreground">Giá/m²</span>
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<span>{formatPriceM2(district.avgPriceM2)}</span>
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<span>{formatPricePerM2(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 đăng</span>
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