stabilizaiton work - projects rework for maintenanceability and ui livening

src/__Libraries/StellaOps.Provcache.Valkey/ValkeyProvcacheStore.SetMany.cs

@@ -0,0 +1,49 @@
+using Microsoft.Extensions.Logging;
+using System.Text.Json;
+
+namespace StellaOps.Provcache.Valkey;
+
+public sealed partial class ValkeyProvcacheStore
+{
+    public async ValueTask SetManyAsync(IEnumerable<ProvcacheEntry> entries, CancellationToken cancellationToken = default)
+    {
+        var entryList = entries.ToList();
+        cancellationToken.ThrowIfCancellationRequested();
+        if (entryList.Count == 0)
+            return;
+
+        try
+        {
+            var db = await GetDatabaseAsync(cancellationToken).ConfigureAwait(false);
+            var batch = db.CreateBatch();
+            var tasks = new List<Task>();
+            var now = _timeProvider.GetUtcNow();
+
+            foreach (var entry in entryList)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+                var redisKey = BuildKey(entry.VeriKey);
+                var value = JsonSerializer.Serialize(entry, _jsonOptions);
+
+                var ttl = entry.ExpiresAt - now;
+                if (ttl <= TimeSpan.Zero)
+                    continue;
+
+                if (ttl > _options.MaxTtl)
+                    ttl = _options.MaxTtl;
+
+                tasks.Add(batch.StringSetAsync(redisKey, value, ttl));
+            }
+
+            batch.Execute();
+            await Task.WhenAll(tasks).ConfigureAwait(false);
+
+            _logger.LogDebug("Batch stored {Count} cache entries", entryList.Count);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Error in batch cache store");
+            throw;
+        }
+    }
+}