Corrected documentation on sparse fieldsets (#859)

Bart Koelman · web-flow · commit 1cff6ebd5f75 · 2020-10-13T09:49:07.000+02:00
diff --git a/docs/usage/resources/resource-definitions.md b/docs/usage/resources/resource-definitions.md
@@ -27,7 +27,8 @@ Note: to exclude attributes unconditionally, use `[Attr(Capabilities = ~AttrCapa
 public class UserDefinition : JsonApiResourceDefinition<User>
 {
     public UserDefinition(IResourceGraph resourceGraph) : base(resourceGraph)
-    { }
+    {
+    }
 
     public override SparseFieldSetExpression OnApplySparseFieldSet(SparseFieldSetExpression existingSparseFieldSet)
     {
@@ -36,10 +37,7 @@ public class UserDefinition : JsonApiResourceDefinition<User>
             return existingSparseFieldSet;
         }
 
-        var resourceContext = ResourceGraph.GetResourceContext<User>(); 
-        var passwordAttribute = resourceContext.Attributes.Single(a => a.Property.Name == nameof(User.Password));
-
-        return existingSparseFieldSet.Excluding(passwordAttribute);
+        return existingSparseFieldSet.Excluding<User>(x => x.Password, ResourceGraph);
     }
 }
 ```

Original file line number	Diff line number	Diff line change
@@ -27,7 +27,8 @@ Note: to exclude attributes unconditionally, use `[Attr(Capabilities = ~AttrCapa
`27`	`27`	`public class UserDefinition : JsonApiResourceDefinition<User>`
`28`	`28`	`{`
`29`	`29`	`public UserDefinition(IResourceGraph resourceGraph) : base(resourceGraph)`
`30`		`- { }`
	`30`	`+ {`
	`31`	`+ }`
`31`	`32`
`32`	`33`	`public override SparseFieldSetExpression OnApplySparseFieldSet(SparseFieldSetExpression existingSparseFieldSet)`
`33`	`34`	`{`
`@@ -36,10 +37,7 @@ public class UserDefinition : JsonApiResourceDefinition<User>`
`36`	`37`	`return existingSparseFieldSet;`
`37`	`38`	`}`
`38`	`39`
`39`		`- var resourceContext = ResourceGraph.GetResourceContext<User>();`
`40`		`- var passwordAttribute = resourceContext.Attributes.Single(a => a.Property.Name == nameof(User.Password));`
`41`		`-`
`42`		`- return existingSparseFieldSet.Excluding(passwordAttribute);`
	`40`	`+ return existingSparseFieldSet.Excluding<User>(x => x.Password, ResourceGraph);`
`43`	`41`	`}`
`44`	`42`	`}`
`45`	`43`	```