Merge branch 'database'

[debbugs.git] / Debbugs / DB / ResultSet / Maintainer.pm

diff --git a/Debbugs/DB/ResultSet/Maintainer.pm b/Debbugs/DB/ResultSet/Maintainer.pm
new file mode 100644 (file)
index 0000000..7c889f3
--- /dev/null
+++ b/Debbugs/DB/ResultSet/Maintainer.pm
@@ -0,0 +1,117 @@
+# This module is part of debbugs, and is released
+# under the terms of the GPL version 2, or any later version. See the
+# file README and COPYING for more information.
+# Copyright 2016 by Don Armstrong <don@donarmstrong.com>.
+use utf8;
+package Debbugs::DB::ResultSet::Maintainer;
+
+=head1 NAME
+
+Debbugs::DB::ResultSet::Maintainer - Package maintainer result set operations
+
+=head1 SYNOPSIS
+
+
+
+=head1 DESCRIPTION
+
+
+
+=cut
+
+use strict;
+use warnings;
+
+use base 'DBIx::Class::ResultSet';
+
+use Debbugs::DB::Util qw(select_one);
+
+
+=over
+
+=item get_maintainers 
+
+     $s->resultset('Maintainers')->get_maintainers();
+
+     $s->resultset('Maintainers')->get_maintainers(@maints);
+
+Retrieve a HASHREF of all maintainers with the maintainer name as the key and
+the id of the database as the value. If given an optional list of maintainers,
+adds those maintainers to the database if they do not already exist in the
+database.
+
+=cut
+sub get_maintainers {
+    my ($self,@maints) = @_;
+    my %maints;
+    for my $m ($self->result_source->schema->resultset('Maintainer')->
+              search(undef,
+                    {result_class => 'DBIx::Class::ResultClass::HashRefInflator',
+                     columns => [qw[id name] ]
+                    })->all()) {
+       $maints{$m->{name}} = $m->{id};
+    }
+    my @maint_names = grep {not exists $maints{$_}} @maints;
+    my @maint_ids = $self->result_source->schema->
+       txn_do(sub {
+                  my @ids;
+                  for my $name (@_) {
+                      push @ids,
+                          $self->result_source->schema->
+                          resultset('Maintainer')->get_maintainer_id($name);
+                  }
+                  return @ids;
+              },@maint_names);
+    @maints{@maint_names} = @maint_ids;
+    return \%maints;
+}
+
+=item get_maintainer_id
+
+     $s->resultset('Maintainer')->get_maintainer_id('Foo Bar <baz@example.com>')
+
+Given a maintainer name returns the maintainer id, possibly inserting the
+maintainer (and correspondent) if either do not exist in the database.
+
+
+=cut
+
+sub get_maintainer_id {
+    my ($self,$maint) = @_;
+    my $rs =
+       $self->
+       search({name => $maint},
+             {result_class => 'DBIx::Class::ResultClass::HashRefInflator',
+             }
+             )->first();
+    if (defined $rs) {
+       return $rs->{id};
+    }
+    my $ci =
+       $self->result_source->schema->resultset('Correspondent')->
+       get_correspondent_id($maint);
+    return $self->result_source->schema->storage->
+       dbh_do(sub {
+                  my ($s,$dbh,$maint,$ci) = @_;
+                  return select_one($dbh,<<'SQL',$maint,$ci,$maint);
+WITH ins AS (
+INSERT INTO maintainer (name,correspondent) VALUES (?,?)
+ON CONFLICT (name) DO NOTHING RETURNING id
+)
+SELECT id FROM ins
+UNION ALL
+SELECT id FROM maintainer WHERE name = ?
+LIMIT 1;
+SQL
+              },
+              $maint,$ci
+             );
+}
+
+=back
+
+=cut
+
+1;
+
+__END__