[Cppcms-users] working with http::context.

[augustin <aug...@ov...>]

Hello,

I've been trying to work with http::context but with no success.

I am working with forms. During the validation process, I want to set some 
messages to display to the user.

I have seen widgets::base_widget::error_message() but this is not what I need.

I want to:
1) be able to set errors for the *whole* form, not a specific widget.
2) be able to set various messages that are valid only within a specific 
context (http get/post request).

If I understand well, I cannot set those message within my cppcms::application 
namespace, since it is shared between all processes, regardless of user or 
sessions (?). Thus a message intended for one user might be displayed for 
another user.

I could use the user session, but a message intended for one page (form 
submission() might appear on another tab, as the user browses other pages 
within the site (race condition?).

It appeared to me that the http::context might be the best place to store 
temporary messages that I could retrieve and display at the end of the 
request.

But I have tried and failed. I am not too sure if it's possible and how to go 
about it. I have tried to add members to the context object. If it's possible 
to do so, I did it the wrong way.


Thanks,

Augustin.




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