From a46c3bf452d287b50b2e7dd5a24f5995c9fd26f6 Mon Sep 17 00:00:00 2001
From: vnugent <public@vaughnnugent.com>
Date: Mon, 9 Jan 2023 15:09:13 -0500
Subject: Restructure

---
 .../src/ValidationExtensions.cs                    | 78 ++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 lib/VNLib.Plugins.Extensions.Validation/src/ValidationExtensions.cs

(limited to 'lib/VNLib.Plugins.Extensions.Validation/src/ValidationExtensions.cs')

diff --git a/lib/VNLib.Plugins.Extensions.Validation/src/ValidationExtensions.cs b/lib/VNLib.Plugins.Extensions.Validation/src/ValidationExtensions.cs
new file mode 100644
index 0000000..7ca45e9
--- /dev/null
+++ b/lib/VNLib.Plugins.Extensions.Validation/src/ValidationExtensions.cs
@@ -0,0 +1,78 @@
+/*
+* Copyright (c) 2022 Vaughn Nugent
+* 
+* Library: VNLib
+* Package: VNLib.Plugins.Extensions.Validation
+* File: ValidationExtensions.cs 
+*
+* ValidationExtensions.cs is part of VNLib.Plugins.Extensions.Validation which is part of the larger 
+* VNLib collection of libraries and utilities.
+*
+* VNLib.Plugins.Extensions.Validation is free software: you can redistribute it and/or modify 
+* it under the terms of the GNU General Public License as published
+* by the Free Software Foundation, either version 2 of the License,
+* or (at your option) any later version.
+*
+* VNLib.Plugins.Extensions.Validation is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 
+* General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License 
+* along with VNLib.Plugins.Extensions.Validation. If not, see http://www.gnu.org/licenses/.
+*/
+
+using System;
+using System.Diagnostics.CodeAnalysis;
+
+using FluentValidation;
+using FluentValidation.Results;
+
+#nullable enable
+
+namespace VNLib.Plugins.Extensions.Validation
+{
+    /// <summary>
+    /// Provides shortcut methods to aid programmatic validation of objects
+    /// </summary>
+    public static class ValidationExtensions
+    {
+        /// <summary>
+        /// If <paramref name="assertion"/> evalues to false, sets the specified assertion message
+        /// to the <see cref="WebMessage.Result"/> to the specified string
+        /// </summary>
+        /// <param name="webm"></param>
+        /// <param name="assertion">The result of the assertion</param>
+        /// <param name="message">The error message to store when the value is false</param>
+        /// <returns>The inverse of <paramref name="assertion"/></returns>
+        public static bool Assert(this WebMessage webm, [DoesNotReturnIf(false)] bool assertion, string message)
+        {
+            if(!assertion)
+            {
+                webm.Success = false;
+                webm.Result = message;
+            }
+            return !assertion;
+        }
+        /// <summary>
+        /// Validates the specified instance, and stores errors to the specified <paramref name="webMessage"/>
+        /// and sets the <see cref="ValErrWebMessage.IsError"/>
+        /// </summary>
+        /// <param name="instance">The instance to validate</param>
+        /// <param name="validator"></param>
+        /// <param name="webMessage">The <see cref="ValErrWebMessage"/> to store errors to</param>
+        /// <returns>True if the result of the validation is valid, false otherwise and the <paramref name="webMessage"/> is not modified</returns>
+        public static bool Validate<T>(this IValidator<T> validator, T instance, ValErrWebMessage webMessage)
+        {
+            //Validate value
+            ValidationResult result = validator.Validate(instance);
+            //If not valid, set errors on web message
+            if (!result.IsValid)
+            {
+                webMessage.Success = false;
+                webMessage.Errors = result.GetErrorsAsCollection();
+            }
+            return result.IsValid;
+        }
+    }
+}
-- 
cgit