FX Modul
This commit is contained in:
418
modules/fx-rates/src/Infrastructure/FxRatesRepository.php
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418
modules/fx-rates/src/Infrastructure/FxRatesRepository.php
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@@ -0,0 +1,418 @@
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<?php
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declare(strict_types=1);
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namespace Modules\FxRates\Infrastructure;
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use PDO;
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final class FxRatesRepository
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{
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private string $driver;
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public function __construct(
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private PDO $pdo,
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private string $tablePrefix = 'fxrate_'
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) {
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$this->driver = strtolower((string) $this->pdo->getAttribute(PDO::ATTR_DRIVER_NAME));
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}
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public function ensureSchema(): void
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{
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$fetchTable = $this->table('fetches');
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$rateTable = $this->table('rates');
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if ($this->driver === 'pgsql') {
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$this->pdo->exec("CREATE TABLE IF NOT EXISTS {$fetchTable} (
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id SERIAL PRIMARY KEY,
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provider VARCHAR(64) NOT NULL,
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base_currency VARCHAR(10) NOT NULL,
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rate_date DATE NOT NULL,
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fetched_at TIMESTAMP NOT NULL,
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created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
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)");
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$this->pdo->exec("CREATE TABLE IF NOT EXISTS {$rateTable} (
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id SERIAL PRIMARY KEY,
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fetch_id INTEGER NOT NULL REFERENCES {$fetchTable}(id) ON DELETE CASCADE,
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currency_code VARCHAR(10) NOT NULL,
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current_value NUMERIC(20,10) NOT NULL
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)");
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$this->pdo->exec("CREATE INDEX IF NOT EXISTS {$fetchTable}_base_fetch_idx ON {$fetchTable} (base_currency, fetched_at DESC, id DESC)");
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$this->pdo->exec("CREATE INDEX IF NOT EXISTS {$fetchTable}_rate_date_idx ON {$fetchTable} (rate_date DESC)");
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$this->pdo->exec("CREATE INDEX IF NOT EXISTS {$rateTable}_fetch_idx ON {$rateTable} (fetch_id)");
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$this->pdo->exec("CREATE INDEX IF NOT EXISTS {$rateTable}_currency_idx ON {$rateTable} (currency_code)");
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} elseif ($this->driver === 'mysql') {
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$this->pdo->exec("CREATE TABLE IF NOT EXISTS {$fetchTable} (
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id INTEGER PRIMARY KEY AUTO_INCREMENT,
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provider VARCHAR(64) NOT NULL,
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base_currency VARCHAR(10) NOT NULL,
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rate_date DATE NOT NULL,
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fetched_at DATETIME NOT NULL,
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created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
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KEY {$fetchTable}_base_fetch_idx (base_currency, fetched_at, id),
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KEY {$fetchTable}_rate_date_idx (rate_date)
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)");
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$this->pdo->exec("CREATE TABLE IF NOT EXISTS {$rateTable} (
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id INTEGER PRIMARY KEY AUTO_INCREMENT,
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fetch_id INTEGER NOT NULL,
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currency_code VARCHAR(10) NOT NULL,
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current_value DECIMAL(20,10) NOT NULL,
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KEY {$rateTable}_fetch_idx (fetch_id),
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KEY {$rateTable}_currency_idx (currency_code)
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)");
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} else {
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$this->pdo->exec("CREATE TABLE IF NOT EXISTS {$fetchTable} (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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provider VARCHAR(64) NOT NULL,
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base_currency VARCHAR(10) NOT NULL,
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rate_date DATE NOT NULL,
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fetched_at DATETIME NOT NULL,
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created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP
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)");
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$this->pdo->exec("CREATE TABLE IF NOT EXISTS {$rateTable} (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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fetch_id INTEGER NOT NULL,
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currency_code VARCHAR(10) NOT NULL,
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current_value DECIMAL(20,10) NOT NULL
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)");
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$this->pdo->exec("CREATE INDEX IF NOT EXISTS {$fetchTable}_base_fetch_idx ON {$fetchTable} (base_currency, fetched_at DESC, id DESC)");
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$this->pdo->exec("CREATE INDEX IF NOT EXISTS {$fetchTable}_rate_date_idx ON {$fetchTable} (rate_date DESC)");
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$this->pdo->exec("CREATE INDEX IF NOT EXISTS {$rateTable}_fetch_idx ON {$rateTable} (fetch_id)");
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$this->pdo->exec("CREATE INDEX IF NOT EXISTS {$rateTable}_currency_idx ON {$rateTable} (currency_code)");
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}
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}
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public function getLatestFetch(?string $baseCurrency = null): ?array
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{
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$sql = 'SELECT id, provider, base_currency, rate_date, fetched_at, created_at FROM ' . $this->table('fetches');
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$params = [];
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if ($baseCurrency !== null && trim($baseCurrency) !== '') {
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$sql .= ' WHERE base_currency = :base_currency';
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$params['base_currency'] = strtoupper(trim($baseCurrency));
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}
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$sql .= ' ORDER BY fetched_at DESC, id DESC LIMIT 1';
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$stmt = $this->pdo->prepare($sql);
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$stmt->execute($params);
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$row = $stmt->fetch(PDO::FETCH_ASSOC);
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return is_array($row) ? $this->normalizeFetch($row) : null;
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}
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public function listLatestFetches(): array
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{
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$stmt = $this->pdo->query(
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'SELECT id, provider, base_currency, rate_date, fetched_at, created_at
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FROM ' . $this->table('fetches') . '
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ORDER BY fetched_at DESC, id DESC'
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);
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$latestByBase = [];
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foreach ($stmt->fetchAll(PDO::FETCH_ASSOC) ?: [] as $row) {
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$base = strtoupper(trim((string) ($row['base_currency'] ?? '')));
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if ($base === '' || isset($latestByBase[$base])) {
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continue;
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}
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$latestByBase[$base] = $this->normalizeFetch($row);
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}
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ksort($latestByBase);
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return array_values($latestByBase);
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}
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public function getSnapshotByFetchId(int $fetchId, ?array $symbols = null): ?array
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{
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$fetch = $this->getFetchById($fetchId);
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if ($fetch === null) {
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return null;
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}
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return $fetch + [
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'rates' => $this->ratesForFetch($fetchId, $symbols),
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];
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}
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public function getNearestFetch(string $baseCurrency, string $timestamp, ?int $windowMinutes = null): ?array
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{
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$baseCurrency = strtoupper(trim($baseCurrency));
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if ($baseCurrency === '') {
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return null;
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}
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$before = $this->findNeighborFetch($baseCurrency, $timestamp, '<=');
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$after = $this->findNeighborFetch($baseCurrency, $timestamp, '>=');
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$targetTs = strtotime($timestamp);
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if ($targetTs === false) {
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return null;
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}
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$selected = null;
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$selectedDiff = null;
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foreach ([$before, $after] as $candidate) {
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if (!is_array($candidate)) {
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continue;
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}
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$candidateTs = strtotime((string) ($candidate['fetched_at'] ?? ''));
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if ($candidateTs === false) {
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continue;
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}
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$diffSeconds = abs($candidateTs - $targetTs);
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if ($selected === null || $diffSeconds < (int) $selectedDiff) {
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$selected = $candidate;
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$selectedDiff = $diffSeconds;
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}
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}
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if ($selected === null) {
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return null;
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}
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if ($windowMinutes !== null && $windowMinutes > 0 && $selectedDiff !== null && $selectedDiff > ($windowMinutes * 60)) {
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return null;
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}
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return $selected + ['distance_seconds' => $selectedDiff];
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}
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public function listDirectHistory(string $baseCurrency, string $targetCurrency, ?string $from = null, ?string $to = null, int $limit = 200): array
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{
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$sql = 'SELECT
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r.id,
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f.id AS fetch_id,
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f.base_currency,
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r.currency_code AS target_currency,
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r.current_value AS rate,
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f.rate_date,
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f.provider,
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f.fetched_at
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FROM ' . $this->table('rates') . ' r
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INNER JOIN ' . $this->table('fetches') . ' f ON f.id = r.fetch_id
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WHERE f.base_currency = :base_currency
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AND r.currency_code = :target_currency';
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$params = [
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'base_currency' => strtoupper(trim($baseCurrency)),
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'target_currency' => strtoupper(trim($targetCurrency)),
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];
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if ($from !== null && trim($from) !== '') {
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$sql .= ' AND f.fetched_at >= :from_at';
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$params['from_at'] = $from;
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}
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if ($to !== null && trim($to) !== '') {
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$sql .= ' AND f.fetched_at <= :to_at';
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$params['to_at'] = $to;
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}
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$sql .= ' ORDER BY f.fetched_at ASC, r.id ASC LIMIT :limit';
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$stmt = $this->pdo->prepare($sql);
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foreach ($params as $key => $value) {
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$stmt->bindValue(':' . $key, $value);
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}
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$stmt->bindValue(':limit', max(1, $limit), PDO::PARAM_INT);
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$stmt->execute();
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return array_map(fn (array $row): array => $this->normalizeRate($row), $stmt->fetchAll(PDO::FETCH_ASSOC) ?: []);
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}
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public function saveFetch(string $baseCurrency, string $provider, string $rateDate, array $rates, ?string $fetchedAt = null): array
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{
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$baseCurrency = strtoupper(trim($baseCurrency));
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$provider = trim($provider) !== '' ? trim($provider) : 'currencyapi';
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$fetchedAt = trim((string) $fetchedAt) !== '' ? trim((string) $fetchedAt) : gmdate('Y-m-d H:i:s');
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$normalizedRates = [];
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foreach ($rates as $currencyCode => $rate) {
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$currencyCode = strtoupper(trim((string) $currencyCode));
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if ($currencyCode === '' || $currencyCode === $baseCurrency || !is_numeric($rate)) {
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continue;
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}
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$normalizedRates[$currencyCode] = (float) $rate;
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}
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$startedTransaction = false;
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if (!$this->pdo->inTransaction()) {
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$this->pdo->beginTransaction();
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$startedTransaction = true;
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}
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try {
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if ($this->driver === 'pgsql') {
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$fetchStmt = $this->pdo->prepare(
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'INSERT INTO ' . $this->table('fetches') . ' (
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provider, base_currency, rate_date, fetched_at
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) VALUES (
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:provider, :base_currency, :rate_date, :fetched_at
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)
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RETURNING *'
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);
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$fetchStmt->execute([
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'provider' => $provider,
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'base_currency' => $baseCurrency,
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'rate_date' => $rateDate,
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'fetched_at' => $fetchedAt,
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]);
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$fetch = $this->normalizeFetch($fetchStmt->fetch(PDO::FETCH_ASSOC) ?: []);
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} else {
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$fetchStmt = $this->pdo->prepare(
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'INSERT INTO ' . $this->table('fetches') . ' (
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provider, base_currency, rate_date, fetched_at
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) VALUES (
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:provider, :base_currency, :rate_date, :fetched_at
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)'
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);
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$fetchStmt->execute([
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'provider' => $provider,
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'base_currency' => $baseCurrency,
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'rate_date' => $rateDate,
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'fetched_at' => $fetchedAt,
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]);
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$fetch = $this->getFetchById((int) $this->pdo->lastInsertId()) ?? [];
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}
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$savedRates = [];
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if ($normalizedRates !== []) {
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$placeholders = [];
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$params = ['fetch_id' => (int) ($fetch['id'] ?? 0)];
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$index = 0;
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foreach ($normalizedRates as $currencyCode => $rate) {
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$codeKey = 'currency_code_' . $index;
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$valueKey = 'current_value_' . $index;
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$placeholders[] = "(:fetch_id, :{$codeKey}, :{$valueKey})";
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$params[$codeKey] = $currencyCode;
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$params[$valueKey] = $rate;
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$savedRates[] = [
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'fetch_id' => $fetch['id'] ?? null,
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'base_currency' => $baseCurrency,
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'target_currency' => $currencyCode,
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'rate' => $rate,
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'rate_date' => $rateDate,
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'provider' => $provider,
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'fetched_at' => $fetchedAt,
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];
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$index++;
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}
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$insert = $this->pdo->prepare(
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'INSERT INTO ' . $this->table('rates') . ' (fetch_id, currency_code, current_value) VALUES ' . implode(', ', $placeholders)
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);
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$insert->execute($params);
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}
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if ($startedTransaction) {
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$this->pdo->commit();
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}
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return [
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'fetch' => $fetch,
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'rates' => $savedRates,
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];
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} catch (\Throwable $exception) {
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if ($startedTransaction && $this->pdo->inTransaction()) {
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$this->pdo->rollBack();
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}
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throw $exception;
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}
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}
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private function getFetchById(int $fetchId): ?array
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{
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$stmt = $this->pdo->prepare(
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'SELECT id, provider, base_currency, rate_date, fetched_at, created_at
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FROM ' . $this->table('fetches') . '
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WHERE id = :id
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LIMIT 1'
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);
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$stmt->execute(['id' => $fetchId]);
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$row = $stmt->fetch(PDO::FETCH_ASSOC);
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return is_array($row) ? $this->normalizeFetch($row) : null;
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}
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private function findNeighborFetch(string $baseCurrency, string $timestamp, string $operator): ?array
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{
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$order = $operator === '<=' ? 'DESC' : 'ASC';
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$stmt = $this->pdo->prepare(
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'SELECT id, provider, base_currency, rate_date, fetched_at, created_at
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FROM ' . $this->table('fetches') . '
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WHERE base_currency = :base_currency
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AND fetched_at ' . $operator . ' :target_at
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ORDER BY fetched_at ' . $order . ', id ' . $order . '
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LIMIT 1'
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);
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$stmt->execute([
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'base_currency' => $baseCurrency,
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'target_at' => $timestamp,
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]);
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$row = $stmt->fetch(PDO::FETCH_ASSOC);
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return is_array($row) ? $this->normalizeFetch($row) : null;
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}
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private function ratesForFetch(int $fetchId, ?array $symbols = null): array
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{
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$sql = 'SELECT currency_code, current_value FROM ' . $this->table('rates') . ' WHERE fetch_id = :fetch_id';
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$params = ['fetch_id' => $fetchId];
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$normalizedSymbols = [];
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if (is_array($symbols)) {
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foreach ($symbols as $symbol) {
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$symbol = strtoupper(trim((string) $symbol));
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if ($symbol !== '') {
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$normalizedSymbols[] = $symbol;
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}
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}
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$normalizedSymbols = array_values(array_unique($normalizedSymbols));
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}
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if ($normalizedSymbols !== []) {
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$placeholders = [];
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foreach ($normalizedSymbols as $index => $symbol) {
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$key = 'symbol_' . $index;
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$placeholders[] = ':' . $key;
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$params[$key] = $symbol;
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}
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$sql .= ' AND currency_code IN (' . implode(', ', $placeholders) . ')';
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}
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$sql .= ' ORDER BY currency_code ASC';
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$stmt = $this->pdo->prepare($sql);
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$stmt->execute($params);
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$rates = [];
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foreach ($stmt->fetchAll(PDO::FETCH_ASSOC) ?: [] as $row) {
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$code = strtoupper(trim((string) ($row['currency_code'] ?? '')));
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$rate = $row['current_value'] ?? null;
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if ($code === '' || !is_numeric($rate)) {
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continue;
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}
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$rates[$code] = (float) $rate;
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}
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return $rates;
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}
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private function normalizeFetch(array $row): array
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{
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return [
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'id' => isset($row['id']) ? (int) $row['id'] : null,
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'provider' => (string) ($row['provider'] ?? ''),
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'base_currency' => strtoupper((string) ($row['base_currency'] ?? '')),
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'rate_date' => (string) ($row['rate_date'] ?? ''),
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'fetched_at' => (string) ($row['fetched_at'] ?? ''),
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'created_at' => (string) ($row['created_at'] ?? ''),
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];
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}
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private function normalizeRate(array $row): array
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{
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return [
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'id' => isset($row['id']) ? (int) $row['id'] : null,
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'fetch_id' => isset($row['fetch_id']) ? (int) $row['fetch_id'] : null,
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'base_currency' => strtoupper((string) ($row['base_currency'] ?? '')),
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'target_currency' => strtoupper((string) ($row['target_currency'] ?? '')),
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'rate' => is_numeric($row['rate'] ?? null) ? (float) $row['rate'] : null,
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'rate_date' => (string) ($row['rate_date'] ?? ''),
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'provider' => (string) ($row['provider'] ?? ''),
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'fetched_at' => (string) ($row['fetched_at'] ?? ''),
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];
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}
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private function table(string $logicalName): string
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{
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return $this->tablePrefix . preg_replace('/[^a-zA-Z0-9_]/', '', $logicalName);
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}
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}
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