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1 | package DBIx::Class::Schema::Journal; |
2 | |
3 | use base qw/DBIx::Class/; |
4 | |
d27ed438 |
5 | use Scalar::Util 'blessed'; |
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6 | use DBIx::Class::Schema::Journal::DB; |
d27ed438 |
7 | |
8 | __PACKAGE__->mk_classdata('journal_storage_type'); |
9 | __PACKAGE__->mk_classdata('journal_connection'); |
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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 ] |
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13 | __PACKAGE__->mk_classdata('journal_copy_sources'); |
2ae5bebc |
14 | __PACKAGE__->mk_classdata('__journal_schema_prototype'); |
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15 | __PACKAGE__->mk_classdata('_journal_schema'); ## schema object for journal |
8dc58fe2 |
16 | __PACKAGE__->mk_classdata('journal_component'); |
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17 | __PACKAGE__->mk_classdata('journal_nested_changesets'); |
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18 | |
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19 | use strict; |
20 | use warnings; |
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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 | # } |
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33 | |
d19af369 |
34 | # sub load_classes |
35 | # { |
36 | # my $class = shift; |
37 | |
38 | |
39 | # $class->next::method(@_); |
40 | |
41 | # } |
42 | |
2ae5bebc |
43 | sub _journal_schema_prototype |
44 | { |
45 | my $self = shift; |
46 | if (my $proto = $self->__journal_schema_prototype) |
47 | { |
48 | return $proto; |
49 | } |
53c47638 |
50 | my $proto = $self->__journal_schema_prototype |
2ae5bebc |
51 | ( |
52 | DBIx::Class::Schema::Journal::DB->compose_namespace |
53 | ( |
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54 | (blessed($self)||$self) . '::Journal' |
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55 | ) |
56 | ); |
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57 | my $comp = $self->journal_component || "Journal"; |
58 | |
59 | ## Create auditlog+history per table |
60 | my %j_sources = map { $_ => 1 } $self->journal_sources |
61 | ? @{$self->journal_sources} |
62 | : $self->sources; |
63 | |
64 | foreach my $s_name ($self->sources) |
65 | { |
66 | next unless($j_sources{$s_name}); |
67 | $self->create_journal_for($s_name => $proto); |
68 | $self->class($s_name)->load_components($comp); |
69 | # print STDERR "$s_name :", $self->class($s_name), "\n"; |
70 | } |
71 | return $proto; |
2ae5bebc |
72 | } |
73 | |
b5851590 |
74 | sub connection |
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75 | { |
76 | my $self = shift; |
52558dc4 |
77 | my $schema = $self->next::method(@_); |
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78 | |
8092c4ed |
79 | # print STDERR join(":", $self->sources), "\n"; |
a5222e78 |
80 | |
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81 | my $journal_schema = (ref $self||$self)->_journal_schema_prototype->clone; |
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82 | |
83 | if($self->journal_connection) |
d27ed438 |
84 | { |
d19af369 |
85 | if($self->journal_storage_type) |
86 | { |
87 | $journal_schema->storage_type($self->journal_storage_type); |
88 | } |
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89 | $journal_schema->connection(@{ $self->journal_connection }); |
90 | } else { |
91 | $journal_schema->storage( $schema->storage ); |
d27ed438 |
92 | } |
93 | |
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94 | $self->_journal_schema($journal_schema); |
95 | |
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96 | |
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97 | if ( $self->journal_nested_changesets ) { |
98 | $self->_journal_schema->nested_changesets(1); |
99 | die "FIXME nested changeset schema not yet supported... add parent_id to ChangeSet here"; |
100 | } |
101 | |
aa873584 |
102 | $self->journal_schema_deploy() |
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103 | if $self->journal_deploy_on_connect; |
51b16220 |
104 | |
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105 | ## Set up relationship between changeset->user_id and this schema's user |
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106 | if(!@{$self->journal_user || []}) |
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107 | { |
64b056b4 |
108 | #warn "No Journal User set!"; # no need to warn, user_id is useful even without a rel |
51b16220 |
109 | return $schema; |
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110 | } |
111 | |
c5fba518 |
112 | $self->_journal_schema->class('ChangeSet')->belongs_to('user', @{$self->journal_user}); |
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113 | $self->_journal_schema->storage->disconnect(); |
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114 | |
115 | return $schema; |
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116 | } |
117 | |
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118 | sub deploy |
119 | { |
120 | my ( $self, $sqlt_args, @args ) = @_; |
121 | |
122 | $self->next::method($sqlt_args, @args); |
123 | |
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124 | $self->journal_schema_deploy($sqlt_args, @args); |
125 | } |
126 | |
51b16220 |
127 | sub journal_schema_deploy |
128 | { |
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129 | my ( $self, $sqlt_args, @args ) = @_; |
130 | |
5fc8406c |
131 | $self->_journal_schema->deploy( $sqlt_args, @args ); |
51b16220 |
132 | } |
133 | |
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134 | sub create_journal_for |
135 | { |
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136 | my ($self, $s_name, $journal_schema) = @_; |
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137 | |
138 | my $source = $self->source($s_name); |
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139 | |
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140 | foreach my $audit (qw(AuditLog AuditHistory)) { |
141 | my $audit_source = join("", $s_name, $audit); |
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142 | my $class = blessed($journal_schema) . "::$audit_source"; |
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143 | |
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144 | DBIx::Class::Componentised->inject_base($class, "DBIx::Class::Schema::Journal::DB::$audit"); |
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145 | |
59c8adb5 |
146 | $class->journal_define_table($source); |
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147 | |
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148 | $journal_schema->register_class($audit_source, $class); |
149 | |
150 | if ($self->journal_copy_sources) |
151 | { |
152 | $self->register_class($audit_source, $class); |
153 | } |
0f91ba2b |
154 | } |
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155 | } |
156 | |
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157 | sub txn_do |
74f04ccc |
158 | { |
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159 | my ($self, $user_code, @args) = @_; |
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160 | |
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161 | my $jschema = $self->_journal_schema; |
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162 | |
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163 | my $code = $user_code; |
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164 | |
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165 | my $current_changeset = $jschema->_current_changeset; |
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166 | if ( !$current_changeset || $self->journal_nested_changesets ) |
52558dc4 |
167 | { |
aba93491 |
168 | my $current_changeset_ref = $jschema->_current_changeset_container; |
169 | |
170 | unless ( $current_changeset_ref ) { |
171 | # this is a hash because scalar refs can't be localized |
172 | $current_changeset_ref = { }; |
173 | $jschema->_current_changeset_container($current_changeset_ref); |
174 | } |
175 | |
176 | # wrap the thunk with a new changeset creation |
177 | $code = sub { |
794e01fa |
178 | my $changeset = $jschema->journal_create_changeset( parent_id => $current_changeset ); |
179 | local $current_changeset_ref->{changeset} = $changeset->id; |
180 | $user_code->(@_); |
181 | }; |
4233d9a1 |
182 | |
52558dc4 |
183 | } |
74f04ccc |
184 | |
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185 | if ( $jschema->storage != $self->storage ) { |
186 | my $inner_code = $code; |
187 | $code = sub { $jschema->txn_do($inner_code, @_) }; |
188 | } |
4233d9a1 |
189 | |
794e01fa |
190 | return $self->next::method($code, @args); |
74f04ccc |
191 | } |
192 | |
ec16e73a |
193 | sub changeset_user |
194 | { |
195 | my ($self, $userid) = @_; |
196 | |
197 | return $self->_journal_schema->current_user() if(@_ == 1); |
198 | |
199 | $self->_journal_schema->current_user($userid); |
200 | } |
201 | |
202 | sub changeset_session |
203 | { |
204 | my ($self, $sessionid) = @_; |
205 | |
206 | return $self->_journal_schema->current_session() if(@_ == 1); |
207 | |
208 | $self->_journal_schema->current_session($sessionid); |
209 | } |
210 | |
211 | |
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212 | 1; |