mirror of
https://github.com/henry4682/finance_app.git
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270 lines
11 KiB
PHP
270 lines
11 KiB
PHP
<?php
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namespace App\Http\Controllers\Api;
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use App\Http\Controllers\Controller;
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use App\Models\InvestmentHolding;
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use Illuminate\Http\Request;
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use Illuminate\Support\Facades\DB;
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use Carbon\Carbon;
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use Illuminate\Support\Facades\Http;
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class SecurityPriceController extends Controller
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{
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/**
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* 最新價格/現值 API (自帶過期即時回補機制 ⚡)
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* GET /api/holdings/{holdingId}/realtime
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*/
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public function showRealtime(Request $request, string $holdingId)
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{
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// 1. 驗證持倉是否屬於該使用者
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$holding = InvestmentHolding::whereHas('account', function ($q) use ($request) {
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$q->where('user_id', $request->user()->id);
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})->findOrFail($holdingId);
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// 2. 從本地字典表撈出紀錄
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$security = DB::table('securities')->where('code', $holding->symbol)->first();
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// 💡 關鍵判定：如果字典表根本沒這檔標的，或者資料「過期了」，就即時去戳外網更新
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$needUpdate = false;
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if (!$security) {
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$needUpdate = true;
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} else {
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$lastUpdate = Carbon::parse($security->updated_at);
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// 情境 A：最新價格的日期不是今天
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if (!$lastUpdate->isToday()) {
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$needUpdate = true;
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}
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// 情境 B：如果是今天的台股交易時間 (09:00 - 14:00)，且本地資料超過 15 分鐘沒更新，就幫他刷新
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elseif (now()->between('09:00', '14:00') && now()->diffInMinutes($lastUpdate) > 15) {
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$needUpdate = true;
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}
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}
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if ($needUpdate) {
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// 當場發動外網即時救援
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$security = $this->fetchAndSaveRealtime($holding);
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}
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if (!$security) {
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return response()->json(['error' => '無法取得該標的的最新價格資料'], 404);
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}
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// 3. 統一格式回傳給前端
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return response()->json([
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'symbol' => $holding->symbol,
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'name' => $security->name,
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'type' => $holding->type,
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'latest_price' => (float) $security->latest_price,
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'change_amount' => (float) ($security->change_amount ?? 0),
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'change_rate' => (float) ($security->change_rate ?? 0),
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'updated_at' => $security->updated_at,
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]);
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}
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/**
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* 內部方法：即時抓取外部市價並洗回資料庫字典表
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*/
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private function fetchAndSaveRealtime(InvestmentHolding $holding)
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{
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$priceData = [
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'name' => $holding->name ?? $holding->symbol,
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'latest_price' => 0.0,
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'change_amount' => 0.0,
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'change_rate' => 0.0,
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];
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// ----------------------------------------
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// A. 股票實時抓取
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// ----------------------------------------
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if ($holding->type === 'stock') {
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try {
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$exchange = (str_starts_with($holding->symbol, '00') || strlen($holding->symbol) === 4) ? 'tse' : 'tse'; // 可依需求擴充 otc
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$res = Http::timeout(5)->get("https://mis.twse.com.tw/stock/api/getStockInfo.jsp", [
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'ex_ch' => "{$exchange}_{$holding->symbol}.tw",
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'json' => 1,
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'delay' => 0,
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]);
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if ($res->ok() && !empty($res->json('msgArray'))) {
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$stock = $res->json('msgArray')[0];
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if (isset($stock['^']) && !Carbon::parse($stock['^'])->isToday()) {
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$existing = DB::table('securities')->where('code', $holding->symbol)->first();
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if ($existing) return $existing;
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}
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$priceData['name'] = $stock['n'] ?? $priceData['name'];
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$currentPrice = $stock['z'] !== '-' ? (float) $stock['z'] : (float) $stock['y'];
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$prevPrice = (float) $stock['y'];
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$priceData['latest_price'] = $currentPrice;
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$priceData['change_amount'] = $currentPrice - $prevPrice;
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$priceData['change_rate'] = $prevPrice > 0 ? (($currentPrice - $prevPrice) / $prevPrice) * 100 : 0;
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}
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} catch (\Exception $e) {
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// 網路超時防呆，保留不崩潰
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}
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}
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// ----------------------------------------
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// B. 基金實時抓取
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// ----------------------------------------
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elseif ($holding->type === 'fund') {
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try {
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$res = Http::timeout(5)->get("https://www.anuefund.com/anuefundApi/FundDetail/FundInfo", [
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'fundDetailEnum' => 'FundINFO',
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'FundID' => $holding->symbol,
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]);
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if ($res->ok() && !empty($res->json('data.hearder'))) {
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$header = $res->json('data.hearder');
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if (isset($header['navDate']) && !Carbon::parse($header['navDate'])->isToday()) {
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$existing = DB::table('securities')->where('code', $holding->symbol)->first();
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if ($existing) return $existing;
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}
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$priceData['name'] = $header['fundName'] ?? $priceData['name'];
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$priceData['latest_price'] = (float) $header['nav'];
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// 鉅亨網實時 API 沒有給當日漲跌幅的話，這裡預設留空或 0
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}
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} catch (\Exception $e) {
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// 防呆
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}
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}
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// 如果連外部都抓不到且本地完全沒資料，就防呆返回 null
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if ($priceData['latest_price'] == 0) {
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$existing = DB::table('securities')->where('code', $holding->symbol)->first();
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if ($existing) return $existing;
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}
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// 更新或新增進字典表
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DB::table('securities')->updateOrInsert(
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['code' => $holding->symbol],
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[
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'name' => $priceData['name'],
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'type' => $holding->type,
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'source' => $holding->type === 'stock' ? 'twse' : 'anue',
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'latest_price' => $priceData['latest_price'],
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'change_amount' => $priceData['change_amount'],
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'change_rate' => $priceData['change_rate'],
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'updated_at' => now(),
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'created_at' => now(), // updateOrInsert 在更新時會自動忽略 created_at
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]
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);
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return DB::table('securities')->where('code', $holding->symbol)->first();
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}
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/**
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* 整合後的歷史紀錄 API (股票、基金共用)
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* GET /api/holdings/{holdingId}/history
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*/
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public function history(Request $request, string $holdingId)
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{
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$holding = InvestmentHolding::whereHas('account', function ($q) use ($request) {
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$q->where('user_id', $request->user()->id);
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})->with(['transactions'])->findOrFail($holdingId);
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// 找出最早的買入點作為時間起點
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$firstTx = $holding->transactions->where('action', 'buy')->sortBy('traded_at')->first();
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if (!$firstTx) return response()->json(['history' => [], 'buy_points' => []]);
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$startDate = Carbon::parse($firstTx->traded_at)->toDateString();
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// 拿持倉的 symbol 去字典表查出對應的歷史主鍵 id
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$securityId = DB::table('securities')->where('code', $holding->symbol)->value('id');
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if (!$securityId) {
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return response()->json(['history' => [], 'buy_points' => []]);
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}
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// 從本地歷史資料庫撈取趨勢
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$history = DB::table('security_price_histories')
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->where('security_id', $securityId)
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->where('price_date', '>=', $startDate)
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->orderBy('price_date', 'asc')
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->get(['price_date as date', 'price as close'])
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->map(function ($item) {
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return [
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'date' => $item->date,
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'close' => (float) $item->close
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];
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})
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->toArray();
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// 整合買賣點標記
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$buyPoints = $holding->transactions
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->where('action', 'buy')
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->map(fn($tx) => [
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'date' => Carbon::parse($tx->traded_at)->toDateString(),
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'price' => (float) ($holding->type === 'fund'
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? ($tx->nav ?? $tx->price ?? 0)
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: ($tx->price ?? $tx->nav ?? 0)),
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'note' => $tx->note ?? '買入',
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])->values();
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return response()->json([
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'history' => $history,
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'buy_points' => $buyPoints,
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]);
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}
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public function accountTrend(Request $request, string $accountId)
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{
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$account = $request->user()->accounts()->findOrFail($accountId);
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// 1. 撈出所有目前有庫存的持倉
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$holdings = $account->holdings()->where('shares', '>', 0)->get();
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// 🟢 關鍵修正：找出所有有庫存標的裡，最古老的一筆買入交易日期
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$earliestTxDate = DB::table('investment_transactions')
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->whereIn('holding_id', $holdings->pluck('id'))
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->where('action', 'buy')
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->orderBy('traded_at', 'asc')
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->value('traded_at');
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// 防呆：如果真的完全沒有交易紀錄，預設才走 30 天；有的話就以最古老日期為起點
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$startDate = $earliestTxDate
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? Carbon::parse($earliestTxDate)->toDateString()
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: now()->subDays(30)->format('Y-m-d');
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$securityIds = DB::table('securities')->whereIn('code', $holdings->pluck('symbol'))->pluck('id', 'code');
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// 2. 撈取歷史紀錄 (此時起點已經完美回溯到 4 月甚至更早了)
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$historyPrices = DB::table('security_price_histories')
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->whereIn('security_id', $securityIds->values())
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->where('price_date', '>=', $startDate)
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->orderBy('price_date', 'asc')
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->get()
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->groupBy('security_id');
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$chartData = [];
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foreach ($holdings as $holding) {
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$sid = $securityIds->get($holding->symbol);
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if (!$sid) continue;
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$prices = $historyPrices->get($sid) ?? collect();
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$avgCost = floatval($holding->avg_cost);
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if ($avgCost <= 0) continue;
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$seriesData = [];
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foreach ($prices as $hp) {
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$dailyRate = ((floatval($hp->price) - $avgCost) / $avgCost) * 100;
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$seriesData[] = [
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'date' => $hp->price_date,
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'rate' => round($dailyRate, 2)
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];
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}
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$chartData[] = [
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'symbol' => $holding->symbol,
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'name' => $holding->name,
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'data' => $seriesData
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];
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}
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return response()->json($chartData);
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}
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}
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