Hobo 1.3 Render :json creating content-type="text/html" instead of "application/json"

[Paul]

Hi,

I'm rendering a json response from my controller simply as: 

    hobo_show do 

      @this = find_instance

      render :json => @this.drill_detail

    end 

Problem is the response posts as content-type="text/html".

Rails 3 doc says it should render as "application/json".

I've tried changing the render line to:

      render :json => @this.drill_detail, :content_type => 'application/json'

But, still "text/html".

How do I get content-type='application/json'

Thank you in advance! I really appreciate all the posts you all do that keep me moving well with Hobo!

-Paul

I'm currently using hobo 1.3.0-pre31

[Matt Jones]

On Mar 13, 2012, at 8:38 PM, Paul wrote:

> Hi,
>
> I'm rendering a json response from my controller simply as:
>
> hobo_show do
> @this = find_instance
> render :json => @this.drill_detail
> end
>
> Problem is the response posts as content-type="text/html".
>
> Rails 3 doc says it should render as "application/json".
>

The block passed to hobo_show is called in a structure that looks (roughly) like this:

def hobo_show
...find the record, etc...
if block_given?
respond_to do |format|
yield format
end
else
format.html { yield }
end
end

If you want to do what you're describing, you'll need to add the format argument to your block. I don't believe you have to *use* it, though - so you may be able to skip adding a 'format.json' block.

--Matt Jones

[Paul Hanson]

Thank you Matt. So nice to be able to dialog!

I changed my controller code to:

  def drill_detail_json 

    hobo_show do |format|

      @this = find_instance

      render :json => @this.drill_detail

    end 

  end 

and also tried:

  def drill_detail_json 

    hobo_show do |format|

      @this = find_instance

      format.json {render :json => @this.drill_detail}

    end 

  end 

Both of the above resulted in just a blank page being rendered.

I then was able to confirm that:

  def drill_detail_json 

    hobo_show do

      @this = find_instance

      render :json => @this.drill_detail, :content_type => 'application/json'

    end 

  end 

gave me the results I wanted with content-type="application/json".

Am I not understanding your instructions? I'm happy to be getting the results I want, but I'm anxious to understand the best method. Learning the correct methods will be a real benefit I'm sure.

Thanks again,

 Paul

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Paul Hanson
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