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_schema'); ## schema object for journal
14 __PACKAGE__->mk_classdata('journal_nested_changesets');
16 our $VERSION = '0.01';
25 # sub exception_action
28 # # print STDERR Carp::longmess;
30 # $self->next::method(@_);
38 # $class->next::method(@_);
45 my $schema = $self->next::method(@_);
47 # print STDERR join(":", $self->sources), "\n";
49 my $journal_schema = DBIx::Class::Schema::Journal::DB->compose_namespace(blessed($self) . '::Journal');
51 if($self->journal_connection)
53 if($self->journal_storage_type)
55 $journal_schema->storage_type($self->journal_storage_type);
57 $journal_schema->connection(@{ $self->journal_connection });
59 $journal_schema->storage( $schema->storage );
62 $self->_journal_schema($journal_schema);
65 ## Create auditlog+history per table
66 my %j_sources = map { $_ => 1 } $self->journal_sources
67 ? @{$self->journal_sources}
70 foreach my $s_name ($self->sources)
72 next unless($j_sources{$s_name});
73 $self->create_journal_for($s_name);
74 $self->class($s_name)->load_components('Journal');
75 # print STDERR "$s_name :", $self->class($s_name), "\n";
78 if ( $self->journal_nested_changesets ) {
79 $self->_journal_schema->nested_changesets(1);
80 die "FIXME nested changeset schema not yet supported... add parent_id to ChangeSet here";
83 $self->journal_schema_deploy()
84 if $self->journal_deploy_on_connect;
86 ## Set up relationship between changeset->user_id and this schema's user
87 if(!@{$self->journal_user || []})
89 #warn "No Journal User set!"; # no need to warn, user_id is useful even without a rel
93 $self->_journal_schema->class('ChangeSet')->belongs_to('user', @{$self->journal_user});
94 $self->_journal_schema->storage->disconnect();
101 my ( $self, $sqlt_args, @args ) = @_;
103 $self->next::method($sqlt_args, @args);
105 $self->journal_schema_deploy($sqlt_args, @args);
108 sub journal_schema_deploy
110 my ( $self, $sqlt_args, @args ) = @_;
112 $self->_journal_schema->deploy( $sqlt_args, @args );
115 sub get_audit_log_class_name
117 my ($self, $sourcename) = @_;
119 return blessed($self->_journal_schema) . "::${sourcename}AuditLog";
122 sub get_audit_history_class_name
124 my ($self, $sourcename) = @_;
126 return blessed($self->_journal_schema) . "::${sourcename}AuditHistory";
129 sub create_journal_for
131 my ($self, $s_name) = @_;
133 my $source = $self->source($s_name);
134 my $logclass = $self->get_audit_log_class_name($s_name);
136 DBIx::Class::Componentised->inject_base($logclass, 'DBIx::Class::Schema::Journal::DB::AuditLog');
137 $logclass->journal_define_table($source);
139 my $log_source = "${s_name}AuditLog";
140 $self->_journal_schema->register_class($log_source, $logclass);
143 my $histclass = $self->get_audit_history_class_name($s_name);
144 DBIx::Class::Componentised->inject_base($histclass, 'DBIx::Class::Schema::Journal::DB::AuditHistory');
145 $histclass->table(lc($s_name) . "_audit_history");
146 # $histclass->result_source_instance->name(lc($s_name) . "_audit_hisory");
148 foreach my $column ( $source->columns ) {
149 my $info = $source->column_info($column);
151 my %hist_info = %$info;
153 delete $hist_info{$_} for qw(
160 $hist_info{is_nullable} = 1;
162 $histclass->add_column($column => \%hist_info);
165 my $hist_source = "${s_name}AuditHistory";
166 $self->_journal_schema->register_class($hist_source, $histclass);
168 return ( $log_source, $hist_source );
173 my ($self, $user_code, @args) = @_;
175 my $jschema = $self->_journal_schema;
177 my $code = $user_code;
179 my $current_changeset = $jschema->_current_changeset;
180 if ( !$current_changeset || $self->journal_nested_changesets )
182 my $current_changeset_ref = $jschema->_current_changeset_container;
184 unless ( $current_changeset_ref ) {
185 # this is a hash because scalar refs can't be localized
186 $current_changeset_ref = { };
187 $jschema->_current_changeset_container($current_changeset_ref);
190 # wrap the thunk with a new changeset creation
192 my $changeset = $jschema->journal_create_changeset( parent_id => $current_changeset );
193 local $current_changeset_ref->{changeset} = $changeset->id;
199 if ( $jschema->storage != $self->storage ) {
200 my $inner_code = $code;
201 $code = sub { $jschema->txn_do($inner_code, @_) };
204 return $self->next::method($code, @args);
209 my ($self, $userid) = @_;
211 return $self->_journal_schema->current_user() if(@_ == 1);
213 $self->_journal_schema->current_user($userid);
216 sub changeset_session
218 my ($self, $sessionid) = @_;
220 return $self->_journal_schema->current_session() if(@_ == 1);
222 $self->_journal_schema->current_session($sessionid);