asdasd

modules/mining-checker/src/Domain/FxService.php

@@ -17,6 +17,7 @@ final class FxService
     private int $cacheTtl;
     private bool $autoFetchOnMiss;
     private array $memoryCache = [];
+    private array $snapshotCache = [];
     private ?DebugTrace $debug;
 
     public function __construct(
@@ -55,8 +56,8 @@ final class FxService
 
         $normalizedFetchId = $fetchId !== null && $fetchId > 0 ? $fetchId : null;
         $shared = $this->sharedFxService();
-        if ($shared !== null && $normalizedFetchId !== null && method_exists($shared, 'snapshotByFetchId')) {
-            $snapshot = $shared->snapshotByFetchId($normalizedFetchId, strtoupper(trim((string) $from)), [strtoupper(trim((string) $to))]);
+        if ($shared !== null && $normalizedFetchId !== null) {
+            $snapshot = $this->snapshotByFetchId($normalizedFetchId, strtoupper(trim((string) $from)), [strtoupper(trim((string) $to))]);
             if (is_array($snapshot)) {
                 $resolved = $this->resolveRateFromSnapshot($snapshot, strtoupper(trim((string) $from)), strtoupper(trim((string) $to)));
                 if ($resolved !== null) {
@@ -94,8 +95,8 @@ final class FxService
         }
 
         $shared = $this->sharedFxService();
-        if ($shared !== null && $normalizedFetchId !== null && method_exists($shared, 'snapshotByFetchId')) {
-            $snapshot = $shared->snapshotByFetchId($normalizedFetchId, $base, [$target]);
+        if ($shared !== null && $normalizedFetchId !== null) {
+            $snapshot = $this->snapshotByFetchId($normalizedFetchId, $base, [$target]);
             if (is_array($snapshot)) {
                 $resolved = $this->resolveRateFromSnapshot($snapshot, $base, $target);
                 if ($resolved !== null) {
@@ -144,35 +145,62 @@ final class FxService
             return null;
         }
 
+        $cacheKey = $this->snapshotCacheKey('fetch', [
+            $fetchId,
+            strtoupper(trim((string) ($baseCurrency ?? ''))),
+            $this->normalizeSymbolsForCache($symbols),
+        ]);
+        if (array_key_exists($cacheKey, $this->snapshotCache)) {
+            return $this->snapshotCache[$cacheKey];
+        }
+
         $shared = $this->sharedFxService();
         if ($shared !== null && method_exists($shared, 'snapshotByFetchId')) {
             $snapshot = $shared->snapshotByFetchId($fetchId, $baseCurrency, $symbols);
-            return is_array($snapshot) ? $snapshot : null;
+            return $this->snapshotCache[$cacheKey] = (is_array($snapshot) ? $snapshot : null);
         }
 
-        return null;
+        return $this->snapshotCache[$cacheKey] = null;
     }
 
     public function latestSnapshot(?string $baseCurrency = null, ?array $symbols = null): ?array
     {
+        $cacheKey = $this->snapshotCacheKey('latest', [
+            strtoupper(trim((string) ($baseCurrency ?? ''))),
+            $this->normalizeSymbolsForCache($symbols),
+        ]);
+        if (array_key_exists($cacheKey, $this->snapshotCache)) {
+            return $this->snapshotCache[$cacheKey];
+        }
+
         $shared = $this->sharedFxService();
         if ($shared !== null && method_exists($shared, 'snapshot')) {
             $snapshot = $shared->snapshot($baseCurrency, null, $symbols, null);
-            return is_array($snapshot) ? $snapshot : null;
+            return $this->snapshotCache[$cacheKey] = (is_array($snapshot) ? $snapshot : null);
         }
 
-        return null;
+        return $this->snapshotCache[$cacheKey] = null;
     }
 
     public function nearestSnapshot(?string $baseCurrency, string $at, ?array $symbols = null, ?int $windowMinutes = null): ?array
     {
+        $cacheKey = $this->snapshotCacheKey('nearest', [
+            strtoupper(trim((string) ($baseCurrency ?? ''))),
+            trim($at),
+            $windowMinutes ?? 0,
+            $this->normalizeSymbolsForCache($symbols),
+        ]);
+        if (array_key_exists($cacheKey, $this->snapshotCache)) {
+            return $this->snapshotCache[$cacheKey];
+        }
+
         $shared = $this->sharedFxService();
         if ($shared !== null && method_exists($shared, 'nearestSnapshot')) {
             $snapshot = $shared->nearestSnapshot($baseCurrency, $at, $symbols, $windowMinutes);
-            return is_array($snapshot) ? $snapshot : null;
+            return $this->snapshotCache[$cacheKey] = (is_array($snapshot) ? $snapshot : null);
         }
 
-        return null;
+        return $this->snapshotCache[$cacheKey] = null;
     }
 
     public function refreshLatestRates(?array $currencies = null, string $base = 'EUR'): array
@@ -899,4 +927,23 @@ final class FxService
 
         return null;
     }
+
+    private function snapshotCacheKey(string $prefix, array $parts): string
+    {
+        return $prefix . ':' . implode(':', array_map(static fn (mixed $part): string => (string) $part, $parts));
+    }
+
+    private function normalizeSymbolsForCache(?array $symbols): string
+    {
+        if (!is_array($symbols) || $symbols === []) {
+            return '*';
+        }
+
+        $normalized = array_values(array_unique(array_filter(array_map(
+            static fn (mixed $symbol): string => strtoupper(trim((string) $symbol)),
+            $symbols
+        ))));
+        sort($normalized);
+        return implode(',', $normalized);
+    }
 }