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1 | package DBIx::Class::Schema::Journal; |
2 | |
3 | use base qw/DBIx::Class/; |
4 | |
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5 | use Scalar::Util 'blessed'; |
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6 | use DBIx::Class::Schema::Journal::DB; |
c8f87617 |
7 | use Class::C3::Componentised (); |
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8 | |
9 | __PACKAGE__->mk_classdata('journal_storage_type'); |
10 | __PACKAGE__->mk_classdata('journal_connection'); |
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11 | __PACKAGE__->mk_classdata('journal_deploy_on_connect'); |
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12 | __PACKAGE__->mk_classdata('journal_sources'); ## [ source names ] |
13 | __PACKAGE__->mk_classdata('journal_user'); ## [ class, field for user id ] |
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14 | __PACKAGE__->mk_classdata('journal_copy_sources'); |
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15 | __PACKAGE__->mk_classdata('__journal_schema_prototype'); |
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16 | __PACKAGE__->mk_classdata('_journal_schema'); ## schema object for journal |
8dc58fe2 |
17 | __PACKAGE__->mk_classdata('journal_component'); |
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18 | __PACKAGE__->mk_classdata('journal_nested_changesets'); |
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19 | |
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20 | use strict; |
21 | use warnings; |
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22 | |
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23 | |
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24 | sub _journal_schema_prototype |
25 | { |
26 | my $self = shift; |
27 | if (my $proto = $self->__journal_schema_prototype) |
28 | { |
29 | return $proto; |
30 | } |
53c47638 |
31 | my $proto = $self->__journal_schema_prototype |
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32 | ( |
33 | DBIx::Class::Schema::Journal::DB->compose_namespace |
34 | ( |
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35 | (blessed($self)||$self) . '::Journal' |
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36 | ) |
37 | ); |
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38 | my $comp = $self->journal_component || "Journal"; |
39 | |
40 | ## Create auditlog+history per table |
41 | my %j_sources = map { $_ => 1 } $self->journal_sources |
42 | ? @{$self->journal_sources} |
43 | : $self->sources; |
44 | |
45 | foreach my $s_name ($self->sources) |
46 | { |
47 | next unless($j_sources{$s_name}); |
48 | $self->create_journal_for($s_name => $proto); |
49 | $self->class($s_name)->load_components($comp); |
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50 | } |
51 | return $proto; |
2ae5bebc |
52 | } |
53 | |
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54 | sub connection |
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55 | { |
56 | my $self = shift; |
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57 | my $schema = $self->next::method(@_); |
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58 | |
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59 | my $journal_schema = (ref $self||$self)->_journal_schema_prototype->clone; |
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60 | |
61 | if($self->journal_connection) |
d27ed438 |
62 | { |
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63 | if($self->journal_storage_type) |
64 | { |
65 | $journal_schema->storage_type($self->journal_storage_type); |
66 | } |
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67 | $journal_schema->connection(@{ $self->journal_connection }); |
68 | } else { |
69 | $journal_schema->storage( $schema->storage ); |
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70 | } |
71 | |
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72 | $self->_journal_schema($journal_schema); |
73 | |
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74 | |
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75 | if ( $self->journal_nested_changesets ) { |
76 | $self->_journal_schema->nested_changesets(1); |
77 | die "FIXME nested changeset schema not yet supported... add parent_id to ChangeSet here"; |
78 | } |
79 | |
aa873584 |
80 | $self->journal_schema_deploy() |
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81 | if $self->journal_deploy_on_connect; |
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82 | |
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83 | ## Set up relationship between changeset->user_id and this schema's user |
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84 | if(!@{$self->journal_user || []}) |
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85 | { |
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86 | #warn "No Journal User set!"; # no need to warn, user_id is useful even without a rel |
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87 | return $schema; |
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88 | } |
89 | |
c5fba518 |
90 | $self->_journal_schema->class('ChangeSet')->belongs_to('user', @{$self->journal_user}); |
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91 | $self->_journal_schema->storage->disconnect(); |
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92 | |
93 | return $schema; |
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94 | } |
95 | |
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96 | sub deploy |
97 | { |
98 | my ( $self, $sqlt_args, @args ) = @_; |
99 | |
100 | $self->next::method($sqlt_args, @args); |
101 | |
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102 | $self->journal_schema_deploy($sqlt_args, @args); |
103 | } |
104 | |
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105 | sub journal_schema_deploy |
106 | { |
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107 | my ( $self, $sqlt_args, @args ) = @_; |
108 | |
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109 | $self->_journal_schema->deploy( $sqlt_args, @args ); |
51b16220 |
110 | } |
111 | |
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112 | sub create_journal_for |
113 | { |
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114 | my ($self, $s_name, $journal_schema) = @_; |
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115 | |
116 | my $source = $self->source($s_name); |
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117 | |
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118 | foreach my $audit (qw(AuditLog AuditHistory)) { |
119 | my $audit_source = join("", $s_name, $audit); |
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120 | my $class = blessed($journal_schema) . "::$audit_source"; |
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121 | |
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122 | Class::C3::Componentised->inject_base($class, "DBIx::Class::Schema::Journal::DB::$audit"); |
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123 | |
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124 | $class->journal_define_table($source); |
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125 | |
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126 | $journal_schema->register_class($audit_source, $class); |
127 | |
128 | if ($self->journal_copy_sources) |
129 | { |
130 | $self->register_class($audit_source, $class); |
131 | } |
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132 | } |
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133 | } |
134 | |
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135 | sub txn_do |
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136 | { |
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137 | my ($self, $user_code, @args) = @_; |
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138 | |
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139 | my $jschema = $self->_journal_schema; |
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140 | |
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141 | my $code = $user_code; |
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142 | |
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143 | my $current_changeset = $jschema->_current_changeset; |
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144 | if ( !$current_changeset || $self->journal_nested_changesets ) |
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145 | { |
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146 | my $current_changeset_ref = $jschema->_current_changeset_container; |
147 | |
148 | unless ( $current_changeset_ref ) { |
149 | # this is a hash because scalar refs can't be localized |
150 | $current_changeset_ref = { }; |
151 | $jschema->_current_changeset_container($current_changeset_ref); |
152 | } |
153 | |
154 | # wrap the thunk with a new changeset creation |
155 | $code = sub { |
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156 | my $changeset = $jschema->journal_create_changeset( parent_id => $current_changeset ); |
157 | local $current_changeset_ref->{changeset} = $changeset->id; |
158 | $user_code->(@_); |
159 | }; |
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160 | |
52558dc4 |
161 | } |
74f04ccc |
162 | |
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163 | if ( $jschema->storage != $self->storage ) { |
164 | my $inner_code = $code; |
165 | $code = sub { $jschema->txn_do($inner_code, @_) }; |
166 | } |
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167 | |
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168 | return $self->next::method($code, @args); |
74f04ccc |
169 | } |
170 | |
ec16e73a |
171 | sub changeset_user |
172 | { |
173 | my ($self, $userid) = @_; |
174 | |
175 | return $self->_journal_schema->current_user() if(@_ == 1); |
176 | |
177 | $self->_journal_schema->current_user($userid); |
178 | } |
179 | |
180 | sub changeset_session |
181 | { |
182 | my ($self, $sessionid) = @_; |
183 | |
184 | return $self->_journal_schema->current_session() if(@_ == 1); |
185 | |
186 | $self->_journal_schema->current_session($sessionid); |
187 | } |
188 | |
189 | |
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190 | 1; |