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1 | package DBIx::Class::Schema::Journal; |
2 | |
3 | use base qw/DBIx::Class/; |
4 | |
d27ed438 |
5 | use Scalar::Util 'blessed'; |
b5851590 |
6 | use DBIx::Class::Schema::Journal::DB; |
d27ed438 |
7 | |
8 | __PACKAGE__->mk_classdata('journal_storage_type'); |
9 | __PACKAGE__->mk_classdata('journal_connection'); |
aba93491 |
10 | __PACKAGE__->mk_classdata('journal_deploy_on_connect'); |
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11 | __PACKAGE__->mk_classdata('journal_sources'); ## [ source names ] |
12 | __PACKAGE__->mk_classdata('journal_user'); ## [ class, field for user id ] |
ec16e73a |
13 | __PACKAGE__->mk_classdata('_journal_schema'); ## schema object for journal |
5fc8406c |
14 | __PACKAGE__->mk_classdata('_journal_internal_sources'); # the sources used to journal journal_sources |
aba93491 |
15 | __PACKAGE__->mk_classdata('journal_nested_changesets'); |
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16 | |
caea9531 |
17 | our $VERSION = '0.01'; |
18 | |
ec16e73a |
19 | use strict; |
20 | use warnings; |
f3602465 |
21 | |
ec16e73a |
22 | # sub throw_exception |
23 | # { |
24 | # } |
25 | |
26 | # sub exception_action |
27 | # { |
28 | # my $self = shift; |
29 | # # print STDERR Carp::longmess; |
f3602465 |
30 | |
ec16e73a |
31 | # $self->next::method(@_); |
32 | # } |
f3602465 |
33 | |
d19af369 |
34 | # sub load_classes |
35 | # { |
36 | # my $class = shift; |
37 | |
38 | |
39 | # $class->next::method(@_); |
40 | |
41 | # } |
42 | |
b5851590 |
43 | sub connection |
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44 | { |
45 | my $self = shift; |
52558dc4 |
46 | my $schema = $self->next::method(@_); |
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47 | |
8092c4ed |
48 | # print STDERR join(":", $self->sources), "\n"; |
a5222e78 |
49 | |
d19af369 |
50 | my $journal_schema; |
51 | if(!defined($self->journal_connection)) |
52 | { |
53 | ## If no connection, use the same schema/storage etc as the user |
54 | DBIx::Class::Componentised->inject_base(ref $self, 'DBIx::Class::Schema::Journal::DB'); |
55 | $journal_schema = $self; |
56 | } |
57 | else |
d27ed438 |
58 | { |
d19af369 |
59 | $journal_schema = DBIx::Class::Schema::Journal::DB->connect(@{ $self->journal_connection }); |
60 | if($self->journal_storage_type) |
61 | { |
62 | $journal_schema->storage_type($self->journal_storage_type); |
63 | } |
d27ed438 |
64 | } |
65 | |
66 | ## get our own private version of the journaling sources |
aba93491 |
67 | $self->_journal_schema($journal_schema->compose_namespace(blessed($self) . '::Journal')); |
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68 | |
74f04ccc |
69 | ## Create auditlog+history per table |
f5c237df |
70 | my %j_sources = map { $_ => 1 } $self->journal_sources |
71 | ? @{$self->journal_sources} |
72 | : $self->sources; |
5fc8406c |
73 | |
74 | my @journal_sources = $journal_schema->sources; # not sources to journal, but sources used by the journal internally |
75 | |
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76 | foreach my $s_name ($self->sources) |
77 | { |
78 | next unless($j_sources{$s_name}); |
5fc8406c |
79 | push @journal_sources, $self->create_journal_for($s_name); |
c5fba518 |
80 | $self->class($s_name)->load_components('Journal'); |
a5222e78 |
81 | # print STDERR "$s_name :", $self->class($s_name), "\n"; |
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82 | } |
83 | |
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84 | $self->_journal_internal_sources(\@journal_sources); |
51b16220 |
85 | |
aba93491 |
86 | if ( $self->journal_nested_changesets ) { |
87 | $self->_journal_schema->nested_changesets(1); |
88 | die "FIXME nested changeset schema not yet supported... add parent_id to ChangeSet here"; |
89 | } |
90 | |
aa873584 |
91 | $self->journal_schema_deploy() |
aba93491 |
92 | if $self->journal_deploy_on_connect; |
51b16220 |
93 | |
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94 | ## Set up relationship between changeset->user_id and this schema's user |
51b16220 |
95 | if(!@{$self->journal_user || []}) |
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96 | { |
64b056b4 |
97 | #warn "No Journal User set!"; # no need to warn, user_id is useful even without a rel |
51b16220 |
98 | return $schema; |
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99 | } |
100 | |
c5fba518 |
101 | $self->_journal_schema->class('ChangeSet')->belongs_to('user', @{$self->journal_user}); |
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102 | $self->_journal_schema->storage->disconnect(); |
52558dc4 |
103 | |
104 | return $schema; |
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105 | } |
106 | |
aba93491 |
107 | sub deploy |
108 | { |
109 | my ( $self, $sqlt_args, @args ) = @_; |
110 | |
111 | $self->next::method($sqlt_args, @args); |
112 | |
113 | $sqlt_args ||= {}; |
114 | local $sqlt_args->{sources} = $self->_journal_internal_sources; |
115 | $self->journal_schema_deploy($sqlt_args, @args); |
116 | } |
117 | |
51b16220 |
118 | sub journal_schema_deploy |
119 | { |
5fc8406c |
120 | my ( $self, $sqlt_args, @args ) = @_; |
121 | |
122 | $sqlt_args ||= {}; |
123 | $sqlt_args->{sources} = $self->_journal_internal_sources |
124 | unless exists $sqlt_args->{sources}; |
125 | |
126 | $self->_journal_schema->deploy( $sqlt_args, @args ); |
51b16220 |
127 | } |
128 | |
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129 | sub get_audit_log_class_name |
130 | { |
131 | my ($self, $sourcename) = @_; |
132 | |
d27ed438 |
133 | return blessed($self->_journal_schema) . "::${sourcename}AuditLog"; |
f0f14c64 |
134 | } |
135 | |
136 | sub get_audit_history_class_name |
137 | { |
138 | my ($self, $sourcename) = @_; |
139 | |
d27ed438 |
140 | return blessed($self->_journal_schema) . "::${sourcename}AuditHistory"; |
f0f14c64 |
141 | } |
142 | |
143 | sub create_journal_for |
144 | { |
145 | my ($self, $s_name) = @_; |
146 | |
147 | my $source = $self->source($s_name); |
148 | my $newclass = $self->get_audit_log_class_name($s_name); |
d27ed438 |
149 | DBIx::Class::Componentised->inject_base($newclass, 'DBIx::Class::Schema::Journal::DB::AuditLog'); |
c5fba518 |
150 | $newclass->table(lc($s_name) . "_audit_log"); |
5fc8406c |
151 | my $log_source = "${s_name}AuditLog"; |
152 | $self->_journal_schema->register_class($log_source, $newclass); |
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153 | |
154 | |
c5fba518 |
155 | my $histclass = $self->get_audit_history_class_name($s_name); |
d27ed438 |
156 | DBIx::Class::Componentised->inject_base($histclass, 'DBIx::Class::Schema::Journal::DB::AuditHistory'); |
c5fba518 |
157 | $histclass->table(lc($s_name) . "_audit_history"); |
158 | # $histclass->result_source_instance->name(lc($s_name) . "_audit_hisory"); |
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159 | $histclass->add_columns( |
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160 | map { $_ => $source->column_info($_) } $source->columns |
161 | ); |
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162 | |
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163 | my $hist_source = "${s_name}AuditHistory"; |
164 | $self->_journal_schema->register_class($hist_source, $histclass); |
165 | |
166 | return ( $log_source, $hist_source ); |
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167 | } |
168 | |
f4f0b7c9 |
169 | sub txn_do |
74f04ccc |
170 | { |
aba93491 |
171 | my ($self, $user_code, @args) = @_; |
74f04ccc |
172 | |
aba93491 |
173 | my $jschema = $self->_journal_schema; |
8092c4ed |
174 | |
4233d9a1 |
175 | my $code = $user_code; |
ec16e73a |
176 | |
aba93491 |
177 | my $current_changeset = $jschema->current_changeset; |
178 | if ( !$current_changeset || $self->journal_nested_changesets ) |
52558dc4 |
179 | { |
aba93491 |
180 | my $current_changeset_ref = $jschema->_current_changeset_container; |
181 | |
182 | unless ( $current_changeset_ref ) { |
183 | # this is a hash because scalar refs can't be localized |
184 | $current_changeset_ref = { }; |
185 | $jschema->_current_changeset_container($current_changeset_ref); |
186 | } |
187 | |
188 | # wrap the thunk with a new changeset creation |
189 | $code = sub { |
4233d9a1 |
190 | my $changeset = $jschema->journal_create_changeset( parent_id => $current_changeset ); |
191 | local $current_changeset_ref->{changeset} = $changeset->ID; |
192 | $user_code->(@_); |
193 | }; |
194 | |
52558dc4 |
195 | } |
74f04ccc |
196 | |
4233d9a1 |
197 | if ( $jschema != $self ) { |
198 | my $inner_code = $code; |
199 | $code = sub { $jschema->txn_do($inner_code, @_) }; |
200 | } |
201 | |
202 | return $self->next::method($code, @args); |
74f04ccc |
203 | } |
204 | |
ec16e73a |
205 | sub changeset_user |
206 | { |
207 | my ($self, $userid) = @_; |
208 | |
209 | return $self->_journal_schema->current_user() if(@_ == 1); |
210 | |
211 | $self->_journal_schema->current_user($userid); |
212 | } |
213 | |
214 | sub changeset_session |
215 | { |
216 | my ($self, $sessionid) = @_; |
217 | |
218 | return $self->_journal_schema->current_session() if(@_ == 1); |
219 | |
220 | $self->_journal_schema->current_session($sessionid); |
221 | } |
222 | |
223 | |
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224 | 1; |