stabilizaiton work - projects rework for maintenanceability and ui livening

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

@@ -0,0 +1,57 @@
+using Microsoft.EntityFrameworkCore;
+
+namespace StellaOps.Provcache.Postgres;
+
+public sealed partial class PostgresProvcacheRepository
+{
+    /// <inheritdoc />
+    public async Task UpsertAsync(ProvcacheEntry entry, CancellationToken cancellationToken = default)
+    {
+        var entity = MapToEntity(entry);
+
+        var existing = await _context.ProvcacheItems
+            .FirstOrDefaultAsync(e => e.VeriKey == entry.VeriKey, cancellationToken)
+            .ConfigureAwait(false);
+
+        if (existing is null)
+        {
+            _context.ProvcacheItems.Add(entity);
+        }
+        else
+        {
+            _context.Entry(existing).CurrentValues.SetValues(entity);
+        }
+
+        await _context.SaveChangesAsync(cancellationToken).ConfigureAwait(false);
+    }
+
+    /// <inheritdoc />
+    public async Task UpsertManyAsync(IEnumerable<ProvcacheEntry> entries, CancellationToken cancellationToken = default)
+    {
+        var entryList = entries.ToList();
+        if (entryList.Count == 0)
+            return;
+
+        var veriKeys = entryList.Select(e => e.VeriKey).ToList();
+        var existing = await _context.ProvcacheItems
+            .Where(e => veriKeys.Contains(e.VeriKey))
+            .ToDictionaryAsync(e => e.VeriKey, cancellationToken)
+            .ConfigureAwait(false);
+
+        foreach (var entry in entryList)
+        {
+            var entity = MapToEntity(entry);
+
+            if (existing.TryGetValue(entry.VeriKey, out var existingEntity))
+            {
+                _context.Entry(existingEntity).CurrentValues.SetValues(entity);
+            }
+            else
+            {
+                _context.ProvcacheItems.Add(entity);
+            }
+        }
+
+        await _context.SaveChangesAsync(cancellationToken).ConfigureAwait(false);
+    }
+}