1 package DBIx::Class::Schema::Journal;
3 use base qw/DBIx::Class/;
5 use Scalar::Util 'blessed';
6 use DBIx::Class::Schema::Journal::DB;
8 __PACKAGE__->mk_classdata('journal_storage_type');
9 __PACKAGE__->mk_classdata('journal_connection');
10 __PACKAGE__->mk_classdata('journal_deploy_on_connect');
11 __PACKAGE__->mk_classdata('journal_sources'); ## [ source names ]
12 __PACKAGE__->mk_classdata('journal_user'); ## [ class, field for user id ]
13 __PACKAGE__->mk_classdata('journal_copy_sources');
14 __PACKAGE__->mk_classdata('__journal_schema_prototype');
15 __PACKAGE__->mk_classdata('_journal_schema'); ## schema object for journal
16 __PACKAGE__->mk_classdata('journal_component');
17 __PACKAGE__->mk_classdata('journal_nested_changesets');
23 sub _journal_schema_prototype
26 if (my $proto = $self->__journal_schema_prototype)
30 my $proto = $self->__journal_schema_prototype
32 DBIx::Class::Schema::Journal::DB->compose_namespace
34 (blessed($self)||$self) . '::Journal'
37 my $comp = $self->journal_component || "Journal";
39 ## Create auditlog+history per table
40 my %j_sources = map { $_ => 1 } $self->journal_sources
41 ? @{$self->journal_sources}
44 foreach my $s_name ($self->sources)
46 next unless($j_sources{$s_name});
47 $self->create_journal_for($s_name => $proto);
48 $self->class($s_name)->load_components($comp);
56 my $schema = $self->next::method(@_);
58 my $journal_schema = (ref $self||$self)->_journal_schema_prototype->clone;
60 if($self->journal_connection)
62 if($self->journal_storage_type)
64 $journal_schema->storage_type($self->journal_storage_type);
66 $journal_schema->connection(@{ $self->journal_connection });
68 $journal_schema->storage( $schema->storage );
71 $self->_journal_schema($journal_schema);
74 if ( $self->journal_nested_changesets ) {
75 $self->_journal_schema->nested_changesets(1);
76 die "FIXME nested changeset schema not yet supported... add parent_id to ChangeSet here";
79 $self->journal_schema_deploy()
80 if $self->journal_deploy_on_connect;
82 ## Set up relationship between changeset->user_id and this schema's user
83 if(!@{$self->journal_user || []})
85 #warn "No Journal User set!"; # no need to warn, user_id is useful even without a rel
89 $self->_journal_schema->class('ChangeSet')->belongs_to('user', @{$self->journal_user});
90 $self->_journal_schema->storage->disconnect();
97 my ( $self, $sqlt_args, @args ) = @_;
99 $self->next::method($sqlt_args, @args);
101 $self->journal_schema_deploy($sqlt_args, @args);
104 sub journal_schema_deploy
106 my ( $self, $sqlt_args, @args ) = @_;
108 $self->_journal_schema->deploy( $sqlt_args, @args );
111 sub create_journal_for
113 my ($self, $s_name, $journal_schema) = @_;
115 my $source = $self->source($s_name);
117 foreach my $audit (qw(AuditLog AuditHistory)) {
118 my $audit_source = join("", $s_name, $audit);
119 my $class = blessed($journal_schema) . "::$audit_source";
121 DBIx::Class::Componentised->inject_base($class, "DBIx::Class::Schema::Journal::DB::$audit");
123 $class->journal_define_table($source);
125 $journal_schema->register_class($audit_source, $class);
127 if ($self->journal_copy_sources)
129 $self->register_class($audit_source, $class);
136 my ($self, $user_code, @args) = @_;
138 my $jschema = $self->_journal_schema;
140 my $code = $user_code;
142 my $current_changeset = $jschema->_current_changeset;
143 if ( !$current_changeset || $self->journal_nested_changesets )
145 my $current_changeset_ref = $jschema->_current_changeset_container;
147 unless ( $current_changeset_ref ) {
148 # this is a hash because scalar refs can't be localized
149 $current_changeset_ref = { };
150 $jschema->_current_changeset_container($current_changeset_ref);
153 # wrap the thunk with a new changeset creation
155 my $changeset = $jschema->journal_create_changeset( parent_id => $current_changeset );
156 local $current_changeset_ref->{changeset} = $changeset->id;
162 if ( $jschema->storage != $self->storage ) {
163 my $inner_code = $code;
164 $code = sub { $jschema->txn_do($inner_code, @_) };
167 return $self->next::method($code, @args);
172 my ($self, $userid) = @_;
174 return $self->_journal_schema->current_user() if(@_ == 1);
176 $self->_journal_schema->current_user($userid);
179 sub changeset_session
181 my ($self, $sessionid) = @_;
183 return $self->_journal_schema->current_session() if(@_ == 1);
185 $self->_journal_schema->current_session($sessionid);