lib/DBIx/Class/Schema/Journal.pm

   1 package DBIx::Class::Schema::Journal;
   2
   3 use base qw/DBIx::Class/;
   4
   5 use Scalar::Util 'blessed';
   6 use DBIx::Class::Schema::Journal::DB;
   7
   8 __PACKAGE__->mk_classdata('journal_storage_type');
   9 __PACKAGE__->mk_classdata('journal_connection');
  10 __PACKAGE__->mk_classdata('journal_sources'); ## [ source names ]
  11 __PACKAGE__->mk_classdata('journal_user'); ## [ class, field for user id ]
  12 __PACKAGE__->mk_classdata('_journal_schema');
  13
  14 sub connection
  15 {
  16     my $self = shift;
  17     $self->next::method(@_);
  18
  19     my $journal_schema = DBIx::Class::Schema::Journal::DB->connect(@{ $self->journal_connection || $self->storage->connect_info });
  20     print STDERR "conn", $journal_schema->storage->connect_info;
  21     if($self->journal_storage_type)
  22     {
  23         $journal_schema->storage_type($self->journal_storage_type);
  24     }
  25
  26     ## get our own private version of the journaling sources
  27     $self->_journal_schema($journal_schema->compose_namespace(blessed($self) . '::Journal'));
  28
  29     ## Create auditlog+history per table
  30     my %j_sources = @{$self->journal_sources} ? map { $_ => 1 } @{$self->journal_sources} : map { $_ => 1 } $self->sources;
  31     foreach my $s_name ($self->sources)
  32     {
  33         next unless($j_sources{$s_name});
  34         $self->create_journal_for($s_name);
  35         $self->class($s_name)->load_components('Journal');
  36         print STDERR "$s_name :", $self->class($s_name), "\n";
  37     }
  38
  39     ## Set up relationship between changeset->user_id and this schema's user
  40     if(!@{$self->journal_user})
  41     {
  42         warn "No Journal User set!";
  43         return;
  44     }
  45
  46     $self->_journal_schema->class('ChangeSet')->belongs_to('user', @{$self->journal_user});
  47 }
  48
  49 sub get_audit_log_class_name
  50 {
  51     my ($self, $sourcename) = @_;
  52
  53     return blessed($self->_journal_schema) . "::${sourcename}AuditLog";
  54 }
  55
  56 sub get_audit_history_class_name
  57 {
  58     my ($self, $sourcename) = @_;
  59
  60     return blessed($self->_journal_schema) . "::${sourcename}AuditHistory";
  61 }
  62
  63 sub create_journal_for
  64 {
  65     my ($self, $s_name) = @_;
  66
  67     my $source = $self->source($s_name);
  68     my $newclass = $self->get_audit_log_class_name($s_name);
  69     DBIx::Class::Componentised->inject_base($newclass, 'DBIx::Class::Schema::Journal::DB::AuditLog');
  70     $newclass->table(lc($s_name) . "_audit_log");
  71     $self->_journal_schema->register_class("${s_name}AuditLog", $newclass);
  72
  73
  74     my $histclass = $self->get_audit_history_class_name($s_name);
  75     DBIx::Class::Componentised->inject_base($histclass, 'DBIx::Class::Schema::Journal::DB::AuditHistory');
  76     $histclass->table(lc($s_name) . "_audit_history");
  77 #    $histclass->result_source_instance->name(lc($s_name) . "_audit_hisory");
  78     $histclass->add_columns(
  79                             map { $_ => $source->column_info($_) } $source->columns
  80                            );
  81
  82     $self->_journal_schema->register_class("${s_name}AuditHistory", $histclass);
  83 }
  84
  85 sub create_changeset
  86 {
  87     my ($self, $code) = @_;
  88
  89     ## Create a new changeset, then run $code as a transaction
  90     my $cs = $self->result_source->schema->_journal_schema->resultset('ChangeSet');
  91     my $changeset = $cs->create({
  92         user_id => $self->result_source->schema->_journal_schema->current_user(),
  93         session_id => $self->result_source->schema->_journal_schema->current_session(),
  94     });
  95     $self->result_source->schema->_journal_schema->current_changeset($changeset->ID);
  96
  97     $self->txn_do($code);
  98 }
  99
 100 1;