Getting Conneg to work with both HTML views and JSON in Fubu 1.3

[Kevin Miller]

Posting this in hopes that it helps another. I have a web service API endpoint which we want to both have a view and support JSON output via Conneg. I first came upon this documentation.

http://fubuworld.com/fubumvc/conneg/#views

This mostly confused me due to the large surface area I had to play with. It did provide a lot of context about what is going on in Conneg. Unfortunately I could not get the advice in there to work. 

public class AddJsonToViewsPolicy : Policy

{

public AddJsonToViewsPolicy()

{

Where.RespondsToHttpMethod("GET")

.And.ChainMatches(c=>c.InputType().CanBeCastTo<IAlsoOutputJSON>());

ModifyBy(chain =>

{

chain.Input.AddFormatter<JsonFormatter>();

chain.Output.AddFormatter<JsonFormatter>();

});

}

}

Adding this policy actually caused a runtime error in Fubu 1.3 complaining that one of my chains had no input behavior.

Before posting to the list for help I searched and found this thread where we discussed this exact thing. Sadly, I had participated in the thread but forgot about it. RobertTheGrey’s policy lambda does the trick:

//Added to my web FubuRegistry to Ensure that search requests return JSON AND their HTML view 

Policies.Add(x =>

{

x.Conneg.AcceptJson();

x.ModifyBy(chain => chain.OutputJson());

x.Where.ResourceTypeImplements<IAlsoOutputJSON>();

});

Hope this helps a future Fubu spelunker. If I have committed any crimes against Fubu please let me know. The docs say that Conneg will be made easier in Fubu 2.0 and I look forward to that brighter future. 

- KevM 

[Jeremy D. Miller]

Just an fyi, this works OOTB in FubuMVC 2.0 without any additional configuration.

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[Kevin Miller]

Loving that! 

- KevM