Re-layout source code to correct namespaces (handlers, commands, etc.)

2026-07-17 16:57:55 +02:00
parent 09a89a34c4
commit 69cb05f389
25 changed files with 89 additions and 85 deletions
@@ -0,0 +1,50 @@
+using FinancialApi.Application.Commands;
+using FinancialApi.Application.Events;
+using FinancialApi.Application.Queries;
+using FinancialApi.Domain;
+using Wolverine.Persistence;
+
+namespace FinancialApi.Application.Handlers;
+
+public record ReversalData(
+    JournalEntry OriginalJournalEntry,
+    IReadOnlyList<Account> AffectedAccounts,
+    DateTimeOffset TimeStamp);
+
+public static class ReverseJournalHandler
+{
+    public static async Task<ReversalData?> LoadAsync(ReverseJournalCommand cmd, IReversalQuery query,
+        TimeProvider timeProvider)
+    {
+        var data = await query.GetReversalDataAsync(cmd.OriginalJournalId);
+        return data ?? throw new InvalidOperationException($"Journal Entry {cmd.OriginalJournalId} does not exist");
+    }
+
+    public static (
+        IStorageAction<JournalEntry> JournalWrite,
+        UnitOfWork<Account> AccountWrites,
+        JournalReversedEvent Event)
+        Handle(ReverseJournalCommand cmd, ReversalData data)
+    {
+        var reversalJournal =
+            BalancedJournal.CreateReversal(data.OriginalJournalEntry, $"Reversal: {cmd.Reason}", data.TimeStamp);
+        var accountState = data.AffectedAccounts.ToDictionary(a => a.Id);
+
+        reversalJournal.Entry.Lines.ForEach(l =>
+        {
+            var currentAccount = accountState[l.AccountId];
+            accountState[l.AccountId] = currentAccount.ApplyPosting(l.Amount, l.Type);
+        });
+        var accountUow = new UnitOfWork<Account>();
+        foreach (var account in accountState.Values)
+        {
+            accountUow.Update(account);
+        }
+
+        return (
+            Storage.Insert(reversalJournal.Entry),
+            accountUow,
+            new JournalReversedEvent(cmd.OriginalJournalId, reversalJournal.Entry.Id)
+        );
+    }
+}