From f72d7faf032255eb1732e1024016aae6cc802e1f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tom=C3=A1=C5=A1=20Herceg?= <tomas.herceg@riganti.cz>
Date: Fri, 16 Aug 2024 17:23:00 +0200
Subject: [PATCH] Added helper methods for resource binding

---
 .../Binding/DotvvmBindingCacheHelper.cs       | 22 +++++++++++++++++++
 .../Expressions/ResourceBindingExpression.cs  |  4 ++--
 2 files changed, 24 insertions(+), 2 deletions(-)

diff --git a/src/Framework/Framework/Binding/DotvvmBindingCacheHelper.cs b/src/Framework/Framework/Binding/DotvvmBindingCacheHelper.cs
index b9e9c2c1eb..cda2f8c42b 100644
--- a/src/Framework/Framework/Binding/DotvvmBindingCacheHelper.cs
+++ b/src/Framework/Framework/Binding/DotvvmBindingCacheHelper.cs
@@ -60,6 +60,28 @@ public ValueBindingExpression<TResult> CreateValueBinding<TResult>(string code,
                 }));
         }
 
+        /// <summary> Compiles a new `{resource: ...code...}` binding which can be evaluated server-side. The result is cached. </summary>
+        public ResourceBindingExpression CreateResourceBinding(string code, DataContextStack dataContext, BindingParserOptions? parserOptions = null)
+        {
+            return CreateCachedBinding("ResourceBinding:" + code, new object?[] { dataContext, parserOptions }, () =>
+                new ResourceBindingExpression(compilationService, new object?[] {
+                    dataContext,
+                    new OriginalStringBindingProperty(code),
+                    parserOptions
+                }));
+        }
+
+        /// <summary> Compiles a new `{resource: ...code...}` binding which can be evaluated server-side. The result is implicitly converted to <typeparamref name="TResult" />. The result is cached. </summary>
+        public ResourceBindingExpression<TResult> CreateResourceBinding<TResult>(string code, DataContextStack dataContext, BindingParserOptions? parserOptions = null)
+        {
+            return CreateCachedBinding($"ResourceBinding<{typeof(TResult).ToCode()}>:{code}", new object?[] { dataContext, parserOptions }, () =>
+                new ResourceBindingExpression<TResult>(compilationService, new object?[] {
+                    dataContext,
+                    new OriginalStringBindingProperty(code),
+                    parserOptions
+                }));
+        }
+
         /// <summary> Compiles a new `{command: ...code...}` binding which can be evaluated server-side and also client-side. The result is cached. </summary>
         public CommandBindingExpression CreateCommand(string code, DataContextStack dataContext, BindingParserOptions? parserOptions = null)
         {
diff --git a/src/Framework/Framework/Binding/Expressions/ResourceBindingExpression.cs b/src/Framework/Framework/Binding/Expressions/ResourceBindingExpression.cs
index 8273dffd56..fb5da85b8b 100644
--- a/src/Framework/Framework/Binding/Expressions/ResourceBindingExpression.cs
+++ b/src/Framework/Framework/Binding/Expressions/ResourceBindingExpression.cs
@@ -18,7 +18,7 @@ namespace DotVVM.Framework.Binding.Expressions
     [Options]
     public class ResourceBindingExpression : BindingExpression, IStaticValueBinding
     {
-        public ResourceBindingExpression(BindingCompilationService service, IEnumerable<object> properties) : base(service, properties) { }
+        public ResourceBindingExpression(BindingCompilationService service, IEnumerable<object?> properties) : base(service, properties) { }
 
         public BindingDelegate BindingDelegate => this.bindingDelegate.GetValueOrThrow(this);
 
@@ -34,7 +34,7 @@ public class OptionsAttribute : BindingCompilationOptionsAttribute
 
     public class ResourceBindingExpression<T> : ResourceBindingExpression, IStaticValueBinding<T>
     {
-        public ResourceBindingExpression(BindingCompilationService service, IEnumerable<object> properties) : base(service, properties) { }
+        public ResourceBindingExpression(BindingCompilationService service, IEnumerable<object?> properties) : base(service, properties) { }
 
         public new BindingDelegate<T> BindingDelegate => base.BindingDelegate.ToGeneric<T>();
     }