change comment on submit

[Markus Rosjat]

hi all,

Is it possible to change the content of a comment on submit? I know I can hook in to ticket changed event but how do I pass the changes along ? Do I need to hook into some other method (from an interface) or do it by "hand" accessing the database?

cheers

Markus

[Jun Omae]

Hi,

It is able to validate the comment using
ITicketManipulator.validate_comment() at
https://trac.edgewall.org/browser/tags/trac-1.4.3/trac/ticket/api.py#L178.
However, it is unable to change the comment using the
ITicketManipulator.

Instead, try to replace req.args['comment'] using
IRequestFilter.pre_process_request() when receiveing POST.

--
Jun Omae <jun...@gmail.com> (大前 潤)

[Markus Rosjat]

thanks for the advice i will check it out!

cheers

Markus

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[RjOllos]

On Thursday, April 27, 2023 at 2:31:29 PM UTC+2 markus...@gmail.com wrote:

thanks for the advice i will check it out!

cheers

Markus

Also, the following documentation is helpful:

https://trac.edgewall.org/wiki/TracDev/PluginDevelopment/ExtensionPoints/trac.ticket.api.ITicketManipulator

https://trac.edgewall.org/wiki/TracDev/PluginDevelopment/ExtensionPoints/trac.web.api.IRequestFilter

[Markus Rosjat]

Hi,

i got my code working now, its a mix of WikiMacroBase expand_macro and IRequestFilter. So now i can use a macro to add some stuff in the comment and on commit it will resolve the macro and plug it into the comment so the macro is removed with informations that need to be persistent.

I know it sounds strange but the idea behind it is to add stuff like date and authenticated user in the comment with the expand macro in the preview and later replace the macro code wit the string that is shown in the preview to make it persistent. if i would leave the macro it would always take the actual date and the user that is logged in and that defeats the purpose here.

Cheers

Markus

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