stabilizaiton work - projects rework for maintenanceability and ui livening

src/__Libraries/StellaOps.Provcache.Postgres/PostgresProvcacheRepository.Read.cs

@@ -0,0 +1,35 @@
+using Microsoft.EntityFrameworkCore;
+
+namespace StellaOps.Provcache.Postgres;
+
+public sealed partial class PostgresProvcacheRepository
+{
+    /// <inheritdoc />
+    public async Task<ProvcacheEntry?> GetAsync(string veriKey, CancellationToken cancellationToken = default)
+    {
+        var entity = await _context.ProvcacheItems
+            .AsNoTracking()
+            .FirstOrDefaultAsync(e => e.VeriKey == veriKey, cancellationToken)
+            .ConfigureAwait(false);
+
+        return entity is null ? null : MapToEntry(entity);
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyDictionary<string, ProvcacheEntry>> GetManyAsync(
+        IEnumerable<string> veriKeys,
+        CancellationToken cancellationToken = default)
+    {
+        var keyList = veriKeys.ToList();
+        if (keyList.Count == 0)
+            return new Dictionary<string, ProvcacheEntry>();
+
+        var entities = await _context.ProvcacheItems
+            .AsNoTracking()
+            .Where(e => keyList.Contains(e.VeriKey))
+            .ToListAsync(cancellationToken)
+            .ConfigureAwait(false);
+
+        return entities.ToDictionary(e => e.VeriKey, MapToEntry);
+    }
+}