first commit

2026-09-28 11:44:26 +05:30
parent 721743ae6b
commit bffc9b1686
424 changed files with 46474 additions and 0 deletions
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+using Microsoft.EntityFrameworkCore.Storage;
+
+namespace Fitness_core_BE.Infra.UoW
+{
+    public class EFUnitOfWork : IUnitOfWork
+    {
+        // Central and tenant are separate physical connections -- each gets its own local
+        // transaction. There is no distributed-transaction coordinator wired up, so if one
+        // side's commit fails after the other has already committed, that is NOT rolled back
+        // atomically; true cross-DB atomicity is deferred to a saga/compensating-action
+        // pattern (see the migration plan's Phase 2 step 8). Both sides are always
+        // begun/committed/rolled-back together so ordinary success/failure flows (the vast
+        // majority of call sites) still behave exactly as the single-context version did.
+        private readonly CentralDbContext _central;
+        private readonly TenantDbContext _tenant;
+        private IDbContextTransaction? _centralTransaction;
+        private IDbContextTransaction? _tenantTransaction;
+
+        public EFUnitOfWork(CentralDbContext central, TenantDbContext tenant)
+        {
+            _central = central;
+            _tenant = tenant;
+        }
+
+        public async Task BeginAsync(CancellationToken ct = default)
+        {
+            if (_centralTransaction == null)
+                _centralTransaction = await _central.Database.BeginTransactionAsync(ct);
+            if (_tenantTransaction == null)
+                _tenantTransaction = await _tenant.Database.BeginTransactionAsync(ct);
+        }
+
+        public async Task SaveChangesAsync(CancellationToken ct = default)
+        {
+            await _central.SaveChangesAsync(ct);
+            await _tenant.SaveChangesAsync(ct);
+        }
+
+        public async Task CommitAsync(CancellationToken ct = default)
+        {
+            await _central.SaveChangesAsync(ct);
+            await _tenant.SaveChangesAsync(ct);
+
+            if (_centralTransaction != null)
+            {
+                await _centralTransaction.CommitAsync(ct);
+                await _centralTransaction.DisposeAsync();
+                _centralTransaction = null;
+            }
+            if (_tenantTransaction != null)
+            {
+                await _tenantTransaction.CommitAsync(ct);
+                await _tenantTransaction.DisposeAsync();
+                _tenantTransaction = null;
+            }
+        }
+
+        public async Task RollbackAsync(CancellationToken ct = default)
+        {
+            if (_centralTransaction != null)
+            {
+                await _centralTransaction.RollbackAsync(ct);
+                await _centralTransaction.DisposeAsync();
+                _centralTransaction = null;
+            }
+            if (_tenantTransaction != null)
+            {
+                await _tenantTransaction.RollbackAsync(ct);
+                await _tenantTransaction.DisposeAsync();
+                _tenantTransaction = null;
+            }
+        }
+
+    }
+}
@@ -0,0 +1,10 @@
+namespace Fitness_core_BE.Infra.UoW
+{
+    public interface IUnitOfWork
+    {
+        Task BeginAsync(CancellationToken ct = default);
+        Task CommitAsync(CancellationToken ct = default);
+        Task RollbackAsync(CancellationToken ct = default);
+        Task SaveChangesAsync(CancellationToken ct = default);
+    }
+}