Add some tests... or so

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

package DBIx::Class::Schema::Journal;

use base qw/DBIx::Class/;

use Scalar::Util 'blessed';
use DBIx::Class::Schema::Journal::DB;

__PACKAGE__->mk_classdata('journal_storage_type');
__PACKAGE__->mk_classdata('journal_connection');
__PACKAGE__->mk_classdata('journal_sources'); ## [ source names ]
__PACKAGE__->mk_classdata('journal_user'); ## [ class, field for user id ]
__PACKAGE__->mk_classdata('_journal_schema');

sub connection
{
    my $self = shift;
    $self->next::method(@_);

    my $journal_schema = (__PACKAGE__ . '::DB')->connect($self->journal_connection || $self->storage->connect_info);
    if($self->journal_storage_type)
    {
        $journal_schema->storage_type($self->journal_storage_type);
    }

    ## get our own private version of the journaling sources
    $self->_journal_schema($journal_schema->compose_namespace(blessed($self) . '::Journal'));

    ## Create auditlog+history per table
    my %j_sources = @{$self->journal_sources} ? map { $_ => 1 } @{$self->journal_sources} : map { $_ => 1 } $self->sources;
    foreach my $s_name ($self->sources)
    {
        next unless($j_sources{$s_name});
        $self->create_journal_for($s_name);
        $self->source($s_name)->load_component('Journal');
    }

    ## Set up relationship between changeset->user_id and this schema's user
    if(!@{$self->journal_user})
    {
        warn "No Journal User set!";
        return;
    }

    $self->_journal_schema->source('ChangeSet')->belongs_to('user', @{$self->journal_user});
}

sub get_audit_log_class_name
{
    my ($self, $sourcename) = @_;

    return blessed($self->_journal_schema) . "::${sourcename}AuditLog";
}

sub get_audit_history_class_name
{
    my ($self, $sourcename) = @_;

    return blessed($self->_journal_schema) . "::${sourcename}AuditHistory";
}

sub create_journal_for
{
    my ($self, $s_name) = @_;

    my $source = $self->source($s_name);
    my $newclass = $self->get_audit_log_class_name($s_name);
    DBIx::Class::Componentised->inject_base($newclass, 'DBIx::Class::Schema::Journal::DB::AuditLog');
#    $newclass->table(lc($s_name) . "_audit_log");
    $newclass->result_source_instance->name(lc($s_name) . "_audit_log");
                           

    my $histclass = $self->get_audit_hisory_class_name($s_name);
    DBIx::Class::Componentised->inject_base($histclass, 'DBIx::Class::Schema::Journal::DB::AuditHistory');
    $histclass->result_source_instance->name(lc($s_name) . "_audit_hisory");
    $histclass->add_columns(
                            map { $_ => $source->column_info($_) } $source->columns
                           );
                           
}

sub create_changeset
{
    my ($self, $code) = @_;

    ## Create a new changeset, then run $code as a transaction
    my $cs = $self->result_source->schema->_journal_schema->resultset('ChangeSet');
    my $changeset = $cs->create({
        user_id => $self->result_source->schema->_journal_schema->current_user(),
        session_id => $self->result_source->schema->_journal_schema->current_session(),
    });
    $self->result_source->schema->_journal_schema->current_changeset($changeset->ID);

    $self->txn_do($code);
}

1;