release 0.07012

[dbsrgits/DBIx-Class-Schema-Loader.git] / lib / DBIx / Class / Schema / Loader / RelBuilder.pm

diff --git a/lib/DBIx/Class/Schema/Loader/RelBuilder.pm b/lib/DBIx/Class/Schema/Loader/RelBuilder.pm
index 29d17f4..05a1c9f 100644 (file)
--- a/lib/DBIx/Class/Schema/Loader/RelBuilder.pm
+++ b/lib/DBIx/Class/Schema/Loader/RelBuilder.pm
@@ -6,16 +6,18 @@ use base 'Class::Accessor::Grouped';
 use mro 'c3';
 use Carp::Clan qw/^DBIx::Class/;
 use Scalar::Util 'weaken';
-use DBIx::Class::Schema::Loader::Utils qw/split_name slurp_file/;
+use DBIx::Class::Schema::Loader::Utils qw/split_name slurp_file array_eq/;
 use Try::Tiny;
-use List::MoreUtils 'apply';
+use List::MoreUtils qw/apply uniq any/;
 use namespace::clean;
 use Lingua::EN::Inflect::Phrase ();
 use Lingua::EN::Tagger ();
+use String::ToIdentifier::EN ();
+use String::ToIdentifier::EN::Unicode ();
 use Class::Unload ();
 use Class::Inspector ();
 
-our $VERSION = '0.07010';
+our $VERSION = '0.07012';
 
 # Glossary:
 #
@@ -266,15 +268,12 @@ sub _relationship_attrs {
     return \%composite;
 }
 
-sub _array_eq {
-    my ($self, $a, $b) = @_;
+sub _strip_id_postfix {
+    my ($self, $name) = @_;
 
-    return unless @$a == @$b;
+    $name =~ s/_?(?:id|ref|cd|code|num)\z//i;
 
-    for (my $i = 0; $i < @$a; $i++) {
-        return unless $a->[$i] eq $b->[$i];
-    }
-    return 1;
+    return $name;
 }
 
 sub _remote_attrs {
@@ -294,7 +293,9 @@ sub _remote_attrs {
 sub _sanitize_name {
     my ($self, $name) = @_;
 
-    $name =~ s/\W+/_/g;
+    $name = $self->loader->_to_identifier('relationships', $name, '_');
+
+    $name =~ s/\W+/_/g; # if naming >= 8 to_identifier takes care of it
 
     return $name;
 }
@@ -304,7 +305,7 @@ sub _normalize_name {
 
     $name = $self->_sanitize_name($name);
 
-    my @words = split_name $name;
+    my @words = split_name $name, $self->loader->_get_naming_v('relationships');
 
     return join '_', map lc, @words;
 }
@@ -317,8 +318,7 @@ sub _remote_relname {
     # name, to make filter accessors work, but strip trailing _id
     if(scalar keys %{$cond} == 1) {
         my ($col) = values %{$cond};
-        $col = $self->_normalize_name($col);
-        $col =~ s/_id$//;
+        $col = $self->_strip_id_postfix($self->_normalize_name($col));
         ($remote_relname) = $self->_inflect_singular($col);
     }
     else {
@@ -501,12 +501,57 @@ sub _adjectives {
     return @adjectives;
 }
 
+sub _name_to_identifier {
+    my ($self, $name) = @_;
+
+    my $to_identifier = $self->loader->naming->{force_ascii} ?
+        \&String::ToIdentifier::EN::to_identifier
+        : \&String::ToIdentifier::EN::Unicode::to_identifier;
+
+    return join '_', map lc, split_name $to_identifier->($name, '_');
+}
+
 sub _disambiguate {
     my ($self, $all_rels, $dups) = @_;
 
-    foreach my $dup (keys %$dups) {
+    DUP: foreach my $dup (keys %$dups) {
         my @rels = @{ $dups->{$dup} };
 
+        # Check if there are rels to the same table name in different
+        # schemas/databases, if so qualify them.
+        my @tables = map $self->loader->moniker_to_table->{$_->{extra}{remote_moniker}},
+                        @rels;
+
+        # databases are different, prepend database
+        if ($tables[0]->can('database') && (uniq map $_->database||'', @tables) > 1) {
+            # If any rels are in the same database, we have to distinguish by
+            # both schema and database.
+            my %db_counts;
+            $db_counts{$_}++ for map $_->database, @tables;
+            my $use_schema = any { $_ > 1 } values %db_counts;
+
+            foreach my $i (0..$#rels) {
+                my $rel   = $rels[$i];
+                my $table = $tables[$i];
+
+                $rel->{args}[0] = $self->_name_to_identifier($table->database)
+                    . ($use_schema ? ('_' . $self->name_to_identifier($table->schema)) : '')
+                    . '_' . $rel->{args}[0];
+            }
+            next DUP;
+        }
+        # schemas are different, prepend schema
+        elsif ((uniq map $_->schema||'', @tables) > 1) {
+            foreach my $i (0..$#rels) {
+                my $rel   = $rels[$i];
+                my $table = $tables[$i];
+
+                $rel->{args}[0] = $self->_name_to_identifier($table->schema)
+                    . '_' . $rel->{args}[0];
+            }
+            next DUP;
+        }
+
         foreach my $rel (@rels) {
             next if $rel->{method} eq 'belongs_to';
 
@@ -629,8 +674,8 @@ sub _relnames_and_method {
     my $remote_method = 'has_many';
 
     # If the local columns have a UNIQUE constraint, this is a one-to-one rel
-    if ($self->_array_eq([ $local_source->primary_columns ], $local_cols) ||
-            grep { $self->_array_eq($_->[1], $local_cols) } @$uniqs) {
+    if (array_eq([ $local_source->primary_columns ], $local_cols) ||
+            grep { array_eq($_->[1], $local_cols) } @$uniqs) {
         $remote_method   = 'might_have';
         ($local_relname) = $self->_inflect_singular($local_relname_uninflected);
     }
@@ -660,7 +705,7 @@ sub _relnames_and_method {
                 my $rel_cols = [ sort { $a cmp $b } apply { s/^foreign\.//i }
                     (keys %{ $class->relationship_info($local_relname)->{cond} }) ];
 
-                $relationship_exists = 1 if $self->_array_eq([ sort @$local_cols ], $rel_cols);
+                $relationship_exists = 1 if array_eq([ sort @$local_cols ], $rel_cols);
             }
         }
 
@@ -668,8 +713,7 @@ sub _relnames_and_method {
             my $colnames = q{_} . $self->_normalize_name(join '_', @$local_cols);
             $remote_relname .= $colnames if keys %$cond > 1;
 
-            $local_relname = $self->_normalize_name($local_table . $colnames);
-            $local_relname =~ s/_id$//;
+            $local_relname = $self->_strip_id_postfix($self->_normalize_name($local_table . $colnames));
 
             $local_relname_uninflected = $local_relname;
             ($local_relname) = $self->_inflect_plural($local_relname);