use warnings;
use base 'Class::C3::Componentised';
-use Carp::Clan qw/^DBIx::Class/;
+use Carp::Clan qw/^DBIx::Class|^Class::C3::Componentised/;
+use mro 'c3';
+# this warns of subtle bugs introduced by UTF8Columns hacky handling of store_column
sub inject_base {
- my ($class, $target, @to_inject) = @_;
- {
- no strict 'refs';
- foreach my $to (reverse @to_inject) {
- my @comps = qw(DigestColumns ResultSetManager Ordered UTF8Columns);
- # Add components here that need to be loaded before Core
- foreach my $first_comp (@comps) {
- if ($to eq 'DBIx::Class::Core' &&
- $target->isa("DBIx::Class::${first_comp}")) {
- warn "Possible incorrect order of components in ".
- "${target}::load_components($first_comp) call: Core loaded ".
- "before $first_comp. See the documentation for ".
- "DBIx::Class::$first_comp for more information";
- }
- }
- unshift( @{"${target}::ISA"}, $to )
- unless ($target eq $to || $target->isa($to));
- }
- }
+ my $class = shift;
+ my $target = shift;
- $class->next::method($target, @to_inject);
-}
+ my @present_components = (@{mro::get_linear_isa ($target)||[]});
-# Returns a true value if the specified class is installed and loaded
-# successfully, throws an exception if the class is found but not loaded
-# successfully, and false if the class is not installed
-sub load_optional_class {
- my ($class, $f_class) = @_;
- eval { $class->ensure_class_loaded($f_class) };
- my $err = $@; # so we don't lose it
- if (! $err) {
- return 1;
- }
- else {
- my $fn = (join ('/', split ('::', $f_class) ) ) . '.pm';
- if ($err =~ /Can't locate ${fn} in \@INC/ ) {
- return 0;
+ no strict 'refs';
+ for my $comp (reverse @_) {
+ if (
+ $comp->isa ('DBIx::Class::UTF8Columns')
+ and
+ my @broken = grep { $_ ne 'DBIx::Class::Row' and defined ${"${_}::"}{store_column} } (@present_components)
+ ) {
+ carp "Incorrect loading order of $comp by ${target} will affect other components overriding store_column ("
+ . join (', ', @broken)
+ .'). Refer to the documentation of DBIx::Class::UTF8Columns for more info';
}
else {
- die $err;
+ unshift @present_components, $comp;
}
}
+
+ $class->next::method($target, @_);
}
1;