Added a-frame-architecture usiung wolverine sample.

2026-08-03 17:08:18 +02:00
parent 1b5bf4f8d4
commit 61fe59cf83
72 changed files with 3012 additions and 0 deletions
@@ -0,0 +1,46 @@
+using FinancialApi.Domain.Entities;
+using FinancialApi.Domain.Exceptions;
+
+namespace FinancialApi.Domain.Aggregates;
+
+public record BalancedJournal
+{
+    public BalancedJournalEntry Entry { get; }
+
+    private BalancedJournal(BalancedJournalEntry entry)
+    {
+        Entry = entry;
+    }
+
+    public static BalancedJournal Create(Guid id, string description, DateTimeOffset createdAt, List<JournalLine> lines)
+    {
+        if (lines.Count(l => l.Type == EntryType.Debit) == 0)
+        {
+            throw new GaapViolationException($"GAAP Violation: A journal entry needs at least one debit line.");
+        }
+
+        if (lines.Count(l => l.Type == EntryType.Credit) == 0)
+        {
+            throw new GaapViolationException($"A journal entry needs at least one credit line.");
+        }
+
+        var debits = lines.Where(l => l.Type == EntryType.Debit)
+            .Sum(l => l.Amount);
+        var credits = lines.Where(l => l.Type == EntryType.Credit)
+            .Sum(l => l.Amount);
+
+        return debits != credits
+            ? throw new GaapViolationException($"Total Debits ({debits}) must equal Total Credits ({credits})!")
+            : new BalancedJournal(new BalancedJournalEntry(id, description, createdAt, lines));
+    }
+
+    public static BalancedJournal CreateReversal(BalancedJournalEntry original, string reason, DateTimeOffset now)
+    {
+        var reversedLines = original.Lines.Select(l =>
+                l with { Type = l.Type == EntryType.Debit ? EntryType.Credit : EntryType.Debit }
+            )
+            .ToList();
+
+        return Create(Guid.NewGuid(), reason, now, reversedLines);
+    }
+}