Adjust location of classes further.

wolverine/a-frame-architecture/FinancialApi.Domain/Entities/Account.cs

@@ -0,0 +1,54 @@
+namespace FinancialApi.Domain.Entities;
+
+public record Account(int Id, decimal Balance, string AccountType)
+{
+    public Account ApplyPosting(decimal amount, EntryType entryType)
+    {
+        if (amount <= 0)
+        {
+            throw new ArgumentException("Credit amount must be positive.");
+        }
+
+        var newBalance = Balance;
+        if (AccountType == "Revenue")
+        {
+            newBalance = entryType == EntryType.Credit ? newBalance + amount : newBalance - amount;
+        }
+        else
+        {
+            newBalance = entryType == EntryType.Debit ? newBalance - amount : newBalance + amount;
+        }
+
+        if (newBalance < 0 && AccountType == "Liability")
+        {
+            throw new InvalidOperationException("Insufficient funds.");
+        }
+
+        return this with { Balance = newBalance };
+    }
+
+    public Account Debit(decimal amount)
+    {
+        if (amount <= 0)
+        {
+            throw new ArgumentException("Debit amount must be positive.");
+        }
+
+        if (Balance - amount < 0)
+        {
+            throw new InvalidOperationException("Insufficient funds.");
+        }
+
+        return this with { Balance = Balance - amount };
+    }
+
+    public Account Credit(decimal amount)
+    {
+        if (amount <= 0)
+        {
+            throw new ArgumentException("Credit amount must be positive.");
+        }
+
+        return this with { Balance = Balance + amount };
+    }
+}