Chris Banner
Jul 10, 2017
(1 votes)

What's new in Episerver Social 1.5?

This week brings the release of Episerver Social 1.5. In addition to a handful of internal enhancements and performance tweaks, this version introduces the AnyExpression. 

This new expression allows you to compare a field of your extension data against a set of values, matching documents where the field's value is represented by any within the set.

Consider a scenario where a collection of Comments has been extended with the following sample of extension data:

{ LuckyNumber = 7 }
{ LuckyNumber = 42 }
{ LuckyNumber = 5 }
{ LuckyNumber = 10 }

With the AnyExpression we can now identify those Comments with a LuckyNumber that matches any of a series of values.

var luckyNumberField = FilterExpressionBuilder<MyCommentExtension>.Field(ext => ext.LuckyNumber);
var luckiestComments = luckyNumberField.Any(new long[] { 5, 7, 9 });

var criteria = new CompositeCriteria<Comment, MyCommentExtension>
    ExtensionFilter = luckiestComments 

var commentService = ServiceLocator.Current.GetInstance<ICommentService>();
var results = await commentService.GetAsync(criteria);

In the snippet show above, the service will return a set of Comments extended with the lucky numbers 5, 7, or 9. Given our initial sample, this means that we'd receive those comments with: 

{ LuckyNumber = 7 }
{ LuckyNumber = 5 }

This expression can be applied to any Episerver Social feature accepting extension data. For more details, feel free to dig into the developer guide.

Jul 10, 2017


192.168.l.254 Sep 7, 2018 05:28 PM


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