wip

2024-11-28 21:52:42 +00:00
parent a457f4d6df
commit aeff13a105
5 changed files with 95 additions and 36 deletions
@@ -0,0 +1,36 @@
+namespace Toolkit.Foundation;
+
+public static class ResultExtensions
+{
+    public static TResult Failure<TResult>(this object? sender,
+        Reason reason)
+        where TResult : Result
+    {
+        if (typeof(TResult).IsGenericType && typeof(TResult).GetGenericTypeDefinition() == typeof(Result<>))
+        {
+            object? value = sender is not null && typeof(TResult).GetGenericArguments()[0].IsAssignableFrom(sender.GetType())
+                ? sender : Activator.CreateInstance(typeof(TResult).GetGenericArguments()[0].MakeNullable());
+
+            return (TResult)Activator.CreateInstance(typeof(TResult), value, false, reason)!;
+        }
+
+        return (TResult)Activator.CreateInstance(typeof(TResult), false, reason)!;
+    }
+
+    public static TResult Success<TResult>(this object? sender)
+        where TResult : Result
+    {
+        if (typeof(TResult).IsGenericType && typeof(TResult).GetGenericTypeDefinition() == typeof(Result<>))
+        {
+            object? value = sender is not null && typeof(TResult).GetGenericArguments()[0].IsAssignableFrom(sender.GetType())
+                ? sender : Activator.CreateInstance(typeof(TResult).GetGenericArguments()[0].MakeNullable());
+
+            return (TResult)Activator.CreateInstance(typeof(TResult), value, true, Reason.None)!;
+        }
+
+        return (TResult)Activator.CreateInstance(typeof(TResult), true, Reason.None)!;
+    }
+
+    public static TResult Create<TResult>(this object? sender, bool condition)
+        where TResult : Result => condition ? sender.Success<TResult>() : sender.Failure<TResult>(Reason.ConditionNotMet);
+}