X-Git-Url: https://git.decadent.org.uk/gitweb/?p=maypole.git;a=blobdiff_plain;f=lib%2FMaypole.pm;h=d476b56a46e55ed9dad22695f8a10e33b9e0db5d;hp=83607c8db34137662cf0694cf8a494179d319d18;hb=1c8db728a3fb5adb4f0ea876ea1316457700edf8;hpb=f94c2679992bf0db0b360a0a475b3e646466aee0 diff --git a/lib/Maypole.pm b/lib/Maypole.pm index 83607c8..d476b56 100644 --- a/lib/Maypole.pm +++ b/lib/Maypole.pm @@ -35,6 +35,9 @@ The canonical example used in the Maypole documentation is the beer database: # choose a frontend, initialise the config object, and load a plugin use Maypole::Application qw/Relationship/; + + # set everything up + __PACKAGE__->setup("dbi:SQLite:t/beerdb.db"); # get the empty config object created by Maypole::Application my $config = __PACKAGE__->config; @@ -62,8 +65,8 @@ The canonical example used in the Maypole documentation is the beer database: date => [ qw/date/], ); - # set everything up - __PACKAGE__->setup("dbi:SQLite:t/beerdb.db"); + # note : set up model before calling this method + BeerDB::Beer->required_columns([qw/name/]); 1; @@ -91,7 +94,7 @@ configuration (B calling setup.) Note that some details in some of these resources may be out of date. -=over 4 +=over 4 =item The Maypole Manual @@ -120,7 +123,7 @@ may be out of date. =item Web applications with Maypole A tutorial written by Simon Cozens for YAPC::EU 2005 - -http://www.droogs.org/perl/maypole/maypole-tutorial.pdf [228KB]. +http://www.aarontrevena.co.uk/opensource/maypole/maypole-tutorial.pdf [228KB]. =item A Database-Driven Web Application in 18 Lines of Code @@ -148,7 +151,7 @@ http://www.perl.com/pub/a/2004/04/15/maypole.html =item Authentication Some notes written by Simon Cozens. A little bit out of date, but still -very useful: http://www.droogs.org/perl/maypole/authentication.html +very useful: http://www.aarontrevena.co.uk/opensource/maypole/authentication.html =item CheatSheet @@ -173,30 +176,6 @@ http://cpanratings.perl.org/dist/Maypole =back -=head1 DEMOS - -A couple of demos are available, sometimes with source code and configs. - -=over 4 - -=item http://maypole.perl.org/beerdb/ - -The standard BeerDB example, using the TT factory templates supplied in the -distribution. - -=item beerdb.riverside-cms.co.uk - -The standard BeerDB example, running on Mason, using the factory templates -supplied in the L distribution. - -=item beerfb.riverside-cms.co.uk - -A demo of L. This site is running on the set of Mason -templates included in the L distribution. See the -synopsis of L for an example driver - -=back - =cut __PACKAGE__->mk_classdata($_) for qw( config init_done view_object model_classes_loaded); @@ -255,7 +234,7 @@ Some packages respond to higher debug levels, try increasing it to 2 or 3. =cut -sub debug { 1 } +sub debug { 0 } =item config @@ -401,11 +380,16 @@ Constructs a very minimal new Maypole request object. sub new { my ($class) = @_; - my $self = bless { - template_args => {}, config => $class->config, }, $class; + + $self->stash({}); + $self->params({}); + $self->query({}); + $self->template_args({}); + $self->args([]); + $self->objects([]); return $self; } @@ -453,20 +437,14 @@ sub handler : method { $self->status(Maypole::Constants::OK()); # set the default $self->__call_hook('start_request_hook'); return $self->status unless $self->status == Maypole::Constants::OK(); - die "status undefined after start_request_hook()" unless defined $self->status; - $self->get_session; $self->get_user; - my $status = $self->handler_guts; - return $status unless $status == OK; - # TODO: require send_output to return a status code $self->send_output; - return $status; } @@ -492,7 +470,14 @@ to the method sub component { my ( $r, $path ) = @_; - my $self = bless { parent => $r, config => $r->{config}, template_args => {}, }, ref $r; + my $self = bless { parent => $r, config => $r->{config}, } , ref $r; + $self->stash({}); + $self->params({}); + $self->query({}); + $self->template_args({}); + $self->args([]); + $self->objects([]); + $self->get_user; my $url = URI->new($path); warn "path : $path\n"; @@ -646,9 +631,17 @@ sub __get_mime_type { sub __load_request_model { my ($self) = @_; - $self->model_class( $self->config->model->class_of($self, $self->table) ); + # We may get a made up class from class_of + my $mclass = $self->config->model->class_of($self, $self->table); + if ( eval {$mclass->isa('Maypole::Model::Base')} ) { + $self->model_class( $mclass ); + } + elsif ($self->debug) { + warn "***Warning: No $mclass class appropriate for model. @_"; + } } + # is_applicable() returned false, so set up a plain template. Model processing # will be skipped, but need to remove the model anyway so the template can't # access it. @@ -922,7 +915,7 @@ processed. sub exception { my ($self, $error, $when) = @_; - if ($self->view_object->can("report_error") and $self->debug) { + if (ref $self->view_object && $self->view_object->can("report_error") and $self->debug) { $self->view_object->report_error($self, $error, $when); return OK; } @@ -949,8 +942,6 @@ sub send_output { } - - =back =head2 Path processing and manipulation @@ -971,13 +962,12 @@ properties. Calls C before parsing path and setting properties. sub parse_path { my ($self) = @_; - + # Previous versions unconditionally set table, action and args to whatever # was in @pi (or else to defaults, if @pi is empty). # Adding preprocess_path(), and then setting table, action and args # conditionally, broke lots of tests, hence this: $self->$_(undef) for qw/action table args/; - $self->preprocess_path; $self->path || $self->path('frontpage'); @@ -1140,15 +1130,38 @@ If the first item in C<$self-Eargs> can be Cd by the model class, it will be removed from C and the retrieved object will be added to the C list. See L for more information. + +=item object + +Alias to get/set the first/only model object. The object will be accessible +in the view templates. + +When used to set the object, will overwrite the request objects +with a single object. + +=cut + +sub object { + my ($r,$object) = @_; + $r->objects([$object]) if ($object); + return undef unless $r->objects(); + return $r->objects->[0]; +} + =item template_args $self->template_args->{foo} = 'bar'; Get/set a hash of template variables. +Maypole reserved words for template variables will over-ride values in template_variables. + +Reserved words are : r, request, object, objects, base, config and errors, as well as the +current class or object name. + =item stash -A place to put custom application data. Not used by Maypole itself. +A place to put custom application data. Not used by Maypole itself. =item template