Adding journal entries and database tables. Increased starting balances.

2026-07-15 12:08:28 +02:00
parent 0de38ef2df
commit 656f545281
13 changed files with 498 additions and 34 deletions
@@ -28,16 +28,31 @@ public static class TransferFundsHandler
    public static (
        IStorageAction<Account> SourceWrite,
        IStorageAction<Account> DestWrite,
+        IStorageAction<JournalEntry> JournalWrite,
        FundsTransferredEvent Event
        ) Handle(TransferFundsCommand cmd, TransferPair pair)
    {
        var updatedSource = pair.Source.Debit(cmd.Amount);
        var updatedDest = pair.Destination.Credit(cmd.Amount);

-        var sourcePersistence = Storage.Update(updatedSource);
-        var destPersistence = Storage.Update(updatedDest);
+        var lines = new List<JournalLine>
+        {
+            new (pair.Source.Id, cmd.Amount, EntryType.Debit),
+            new (pair.Destination.Id, cmd.Amount, EntryType.Credit)
+        };
+
+        var journalEntry =
+            BalancedJournal.Create(Guid.NewGuid(),
+                $"Transfer: {cmd.Amount} from {cmd.SourceAccountId} to {cmd.DestinationAccountId}",
+                DateTimeOffset.UtcNow, lines);
+
        var @event = new FundsTransferredEvent(cmd.SourceAccountId, cmd.DestinationAccountId, cmd.Amount);

-        return (sourcePersistence, destPersistence, @event);
+        return (
+            Storage.Update(updatedSource),
+            Storage.Update(updatedDest),
+            Storage.Insert(journalEntry.Entry),
+            @event
+        );
    }
 }