From 21e0e0c44d23d0d1f0612e4d009c83d010bfb50c Mon Sep 17 00:00:00 2001
From: Simon Cozens <simon@simon-cozens.org>
Date: Thu, 29 Jan 2004 16:57:39 +0000
Subject: [PATCH] General restructuring, and a delete method which doesn't
 quite work yet.

git-svn-id: http://svn.maypole.perl.org/Maypole/trunk@17 48953598-375a-da11-a14b-00016c27c3ee
---
 lib/Apache/MVC.pm            |  9 +++++++--
 lib/Apache/MVC/Model/Base.pm | 17 ++++++-----------
 lib/Apache/MVC/Model/CDBI.pm | 14 +++++++++++++-
 lib/Apache/MVC/View/TT.pm    |  1 +
 4 files changed, 27 insertions(+), 14 deletions(-)

diff --git a/lib/Apache/MVC.pm b/lib/Apache/MVC.pm
index 25a8adb..8ed51bf 100644
--- a/lib/Apache/MVC.pm
+++ b/lib/Apache/MVC.pm
@@ -50,7 +50,7 @@ sub init {
     $config->{display_tables} ||= [ $class->config->{loader}->tables ];
     for my $subclass (@{$config->{classes}}) {
         no strict 'refs';
-        push @{$subclass."::ISA"}, $class->config->{model};
+        unshift @{$subclass."::ISA"}, $class->config->{model};
         $config->{model}->adopt($subclass)
            if $config->{model}->can("adopt");
     }
@@ -106,16 +106,21 @@ sub is_applicable {
     my $self = shift;
     my $config = $self->config;
     my %ok = map {$_ => 1} @{$config->{display_tables}};
+    warn "We don't have that table ($self->{table})"
+        unless $ok{$self->{table}};
     return DECLINED() unless exists $ok{$self->{table}};
 
     # Does the action method exist?
+    # XXX We should set the method class to the class for the table
     my $cv = $self->model_class->can($self->{action});
+    warn "We don't have that action ($self->{action})" unless $cv;
     return DECLINED() unless $cv;
 
     # Is it exported?
     $self->{method_attribs} = join " ", attributes::get($cv);
+    do { warn "$self->{action} not exported";
     return DECLINED() 
-     unless $self->{method_attribs} =~ /\bExported\b/i;
+     } unless $self->{method_attribs} =~ /\bExported\b/i;
     return OK();
 }
 
diff --git a/lib/Apache/MVC/Model/Base.pm b/lib/Apache/MVC/Model/Base.pm
index 89feb7c..afbc60d 100644
--- a/lib/Apache/MVC/Model/Base.pm
+++ b/lib/Apache/MVC/Model/Base.pm
@@ -7,25 +7,20 @@ sub MODIFY_CODE_ATTRIBUTES {
 sub FETCH_CODE_ATTRIBUTES { $remember{$_[1]} 
 } 
 
-sub view :Exported {
-    my ($self, $r) = @_;
-    return $self->retrieve(shift @{$r->{args}});
-}
-
-sub edit :Exported {
-    my ($self, $r) = @_;
-    return $self->retrieve(shift @{$r->{args}});
-}
+sub view :Exported { }
+sub edit :Exported { }
 
 sub do_edit { die "This is an abstract method" }
+sub get_objects { die "This is an abstract method" }
 
 sub list :Exported {
     my ($self, $r) = @_;
-    return $self->retrieve_all;
+    $r->objects([ $self->retrieve_all ]);
 }
 
 sub process {
     my ($class, $r) = @_;
     $r->template( my $method = $r->action );
-    $r->objects([ $class->$method($r) ]);
+    $r->objects([ $class->get_objects($r) ]);
+    $class->$method($r) 
 }
diff --git a/lib/Apache/MVC/Model/CDBI.pm b/lib/Apache/MVC/Model/CDBI.pm
index f9918bc..833550d 100644
--- a/lib/Apache/MVC/Model/CDBI.pm
+++ b/lib/Apache/MVC/Model/CDBI.pm
@@ -8,13 +8,18 @@ sub description { "A poorly defined class" }
 
 sub column_names { my $class = shift; map { $_ => ucfirst $_ } $class->columns }
 
+sub get_objects {
+    my ($self, $r) = @_;
+    return $self->retrieve(shift @{$r->{args}});
+}
+
 sub do_edit :Exported {
     my ($self, $r) = @_;
     my $h = CGI::Untaint->new(%{$r->{params}});
     my $obj;
     if (@{$r->{args}}) {
         # We have something to edit
-        $obj = $self->retrieve($r->{args}[0]);
+        ($obj) = @{$self->objects};
         $obj->update_from_cgi($h);
         warn "Updating an object ($obj) with ".Dumper($h); use Data::Dumper;
     } else {
@@ -32,6 +37,13 @@ sub do_edit :Exported {
     return $obj;
 }
 
+sub delete :Exported {
+    my ($self, $r) = @_;
+    $self->delete for @{ $r->objects };
+    $r->objects([ $self->retrieve_all ]);
+    $r->{template} = "list";
+}
+
 sub adopt {
     my ($self, $child) = @_;
     $child->autoupdate(1);
diff --git a/lib/Apache/MVC/View/TT.pm b/lib/Apache/MVC/View/TT.pm
index e2a1504..90624ad 100644
--- a/lib/Apache/MVC/View/TT.pm
+++ b/lib/Apache/MVC/View/TT.pm
@@ -27,6 +27,7 @@ sub _args {
         class   => $class,
         objects => $r->objects,
         base    => $r->config->{uri_base},
+        config  => $r->config
         # ...
     );
     $args{classmetadata} = {
-- 
2.39.5