On Sun, May 4, 2008 at 2:38 AM, luke saunders <[EMAIL PROTECTED]> wrote: > I have started to write a Catalyst base controller for REST style CRUD > via DBIC. I have noticed that a number of other people have been > working on or are thinking about working on something similar, most > notabley J. Shirley who seems to be creating > Catalyst::Controller::REST::DBIC::Item > > (http://dev.catalystframework.org/svnweb/Catalyst/browse/Catalyst-Controller-REST-DBIC-Item/) > and some chaps from a recent thread on this list (entitled > "Dispatching with Chained vs HTTP method"). > > Ideally I would like to merge J. Shirley's effort into mine (or visa > versa) along with anything that anyone else has. Basically I want to > avoid ending up with a load of modules that all do the same thing. > > My effort is heavily based on something mst wrote a while ago, and > since then I've ended up writing something very similar for every > project I've worked on which indicates it's worth OSing. Essentially > it is used like so: > > package MyApp::Controller::API::REST::CD; > > use base qw/Catalyst::Controller::REST::DBIC/; > > ... > > __PACKAGE__->config > ( action => { setup => { PathPart => 'cd', Chained => > '/api/rest/rest_base' } }, > class => 'RestTestDB::CD', > create_requires => ['artist', 'title', 'year' ], > update_allows => ['title', 'year'] > ); > > And this gets you the following endpoints to fire requests at: > /api/rest/cd/create > /api/rest/cd/id/[cdid]/update > /api/rest/cd/id/[cdid]/delete > /api/rest/cd/id/[cdid]/add_to_rel/[relation] > /api/rest/cd/id/[cdid]/remove_from_rel/[relation] > > The full source is here: > http://lukesaunders.me.uk/dists/Catalyst-Controller-REST-DBIC-1.000000.tar.gz > > If you have a few moments please have a look, especially if you are > working on something similar. Today I even wrote a test suite which > has a test app and is probably the best place to look to see what it > does.
I've been planning for a more REST-like update to InstantCRUD for a long time. My approach is a bit different because for validation and for generating form's HTML I use HTML::Widget. I believe validation is important and separate enough to have a separate package (and I don't want to reinvent the wheel - so I use what is available at CPAN). I also choose to generate the HTML - because I believe there is too much logic (classes for errors, options from the database, subforms from the database - see below) in it for the simplistic Template::Toolkit language - an elegant solution for that could be also a TT plugin. Now I am working on porting Instant to use Rose::HTML::Form instead of HTML::Wiget - it will give it much more solid base. One more difference in my approach is that the 'update' action will be able to edit not just one row from the DB - but all the interrelated records that together make a full object. This means also adding and removing the related records - so I'll not have the add_to_rel remove_from_rel actions. There is also an effort by Peter Carman: http://search.cpan.org/~karman/CatalystX-CRUD-0.25/lib/CatalystX/CRUD/REST.pm - and I more or less agreed with Peter on some basics - so that hopefully our code will be compatible and maybe even will form together just one solution. Finally I am waiting for the Moose port of Catalyst - so that all the CRUD functionality could be just a Role instead of forcing the user to 'use base'. > > Note that it lacks: > - list and view type methods which dump objects to JSON (or whatever) > - clever validation - it should validate based on the DBIC column > definitions but it doesn't > - any auth - not sure if it should or not, but it's possible > > Also it doesn't distinguish between POST, PUT, DELETE and GET HTTP > requests favouring instead entirely separate endpoints, but that's up > for discussion. > > So, J. Shirley, do you have any interest in a merge? And others, do > you have ideas and would you like to contribute? > > Thanks, > Luke. > > _______________________________________________ > List: Catalyst@lists.scsys.co.uk > Listinfo: http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/catalyst > Searchable archive: http://www.mail-archive.com/catalyst@lists.scsys.co.uk/ > Dev site: http://dev.catalyst.perl.org/ > -- Zbigniew Lukasiak http://brudnopis.blogspot.com/ _______________________________________________ List: Catalyst@lists.scsys.co.uk Listinfo: http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/catalyst Searchable archive: http://www.mail-archive.com/catalyst@lists.scsys.co.uk/ Dev site: http://dev.catalyst.perl.org/