ydasd

modules/fx-rates/src/Infrastructure/FxRatesRepository.php

@@ -146,6 +146,55 @@ final class FxRatesRepository
         ];
     }
 
+    public function findNearestFetch(?string $baseCurrency, string $timestamp, ?int $windowMinutes = null): ?array
+    {
+        $targetTs = strtotime($timestamp);
+        if ($targetTs === false) {
+            return null;
+        }
+
+        if ($baseCurrency !== null && trim($baseCurrency) !== '') {
+            return $this->getNearestFetch(strtoupper(trim($baseCurrency)), $timestamp, $windowMinutes);
+        }
+
+        $candidates = [];
+        foreach (['<=', '>='] as $operator) {
+            $order = $operator === '<=' ? 'DESC' : 'ASC';
+            $stmt = $this->pdo->prepare(
+                'SELECT id, provider, base_currency, rate_date, fetched_at, created_at
+                 FROM ' . $this->table('fetches') . '
+                 WHERE fetched_at ' . $operator . ' :target_at
+                 ORDER BY fetched_at ' . $order . ', id ' . $order . '
+                 LIMIT 1'
+            );
+            $stmt->execute(['target_at' => $timestamp]);
+            $row = $stmt->fetch(PDO::FETCH_ASSOC);
+            if (is_array($row)) {
+                $candidate = $this->normalizeFetch($row);
+                $candidateTs = strtotime((string) ($candidate['fetched_at'] ?? ''));
+                if ($candidateTs !== false) {
+                    $candidate['distance_seconds'] = abs($candidateTs - $targetTs);
+                    $candidates[] = $candidate;
+                }
+            }
+        }
+
+        if ($candidates === []) {
+            return null;
+        }
+
+        usort($candidates, static function (array $left, array $right): int {
+            return ((int) ($left['distance_seconds'] ?? PHP_INT_MAX)) <=> ((int) ($right['distance_seconds'] ?? PHP_INT_MAX));
+        });
+
+        $selected = $candidates[0];
+        if ($windowMinutes !== null && $windowMinutes > 0 && (int) ($selected['distance_seconds'] ?? 0) > ($windowMinutes * 60)) {
+            return null;
+        }
+
+        return $selected;
+    }
+
     public function getNearestFetch(string $baseCurrency, string $timestamp, ?int $windowMinutes = null): ?array
     {
         $baseCurrency = strtoupper(trim($baseCurrency));