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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; |
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7 | |
8 | __PACKAGE__->mk_classdata('journal_storage_type'); |
9 | __PACKAGE__->mk_classdata('journal_connection'); |
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10 | __PACKAGE__->mk_classdata('journal_sources'); ## [ source names ] |
11 | __PACKAGE__->mk_classdata('journal_user'); ## [ class, field for user id ] |
12 | __PACKAGE__->mk_classdata('_journal_schema'); |
13 | |
caea9531 |
14 | our $VERSION = '0.01'; |
15 | |
f3602465 |
16 | sub throw_exception |
17 | { |
18 | } |
19 | |
20 | sub exception_action |
21 | { |
22 | my $self = shift; |
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23 | # print STDERR Carp::longmess; |
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24 | |
25 | $self->next::method(@_); |
26 | } |
27 | |
d19af369 |
28 | # sub load_classes |
29 | # { |
30 | # my $class = shift; |
31 | |
32 | |
33 | # $class->next::method(@_); |
34 | |
35 | # } |
36 | |
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37 | sub connection |
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38 | { |
39 | my $self = shift; |
40 | $self->next::method(@_); |
41 | |
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42 | # print STDERR join(":", $self->sources), "\n"; |
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43 | |
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44 | my $journal_schema; |
45 | if(!defined($self->journal_connection)) |
46 | { |
47 | ## If no connection, use the same schema/storage etc as the user |
48 | DBIx::Class::Componentised->inject_base(ref $self, 'DBIx::Class::Schema::Journal::DB'); |
49 | $journal_schema = $self; |
50 | } |
51 | else |
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52 | { |
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53 | $journal_schema = DBIx::Class::Schema::Journal::DB->connect(@{ $self->journal_connection }); |
54 | if($self->journal_storage_type) |
55 | { |
56 | $journal_schema->storage_type($self->journal_storage_type); |
57 | } |
d27ed438 |
58 | } |
59 | |
60 | ## get our own private version of the journaling sources |
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61 | $self->_journal_schema($journal_schema->compose_namespace(blessed($self) . '::Journal')); |
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62 | |
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63 | ## Create auditlog+history per table |
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64 | my %j_sources = @{$self->journal_sources} ? map { $_ => 1 } @{$self->journal_sources} : map { $_ => 1 } $self->sources; |
65 | foreach my $s_name ($self->sources) |
66 | { |
67 | next unless($j_sources{$s_name}); |
68 | $self->create_journal_for($s_name); |
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69 | $self->class($s_name)->load_components('Journal'); |
a5222e78 |
70 | # print STDERR "$s_name :", $self->class($s_name), "\n"; |
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71 | } |
72 | |
73 | ## Set up relationship between changeset->user_id and this schema's user |
74 | if(!@{$self->journal_user}) |
75 | { |
76 | warn "No Journal User set!"; |
77 | return; |
78 | } |
79 | |
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80 | $self->_journal_schema->deploy(); |
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81 | $self->_journal_schema->class('ChangeSet')->belongs_to('user', @{$self->journal_user}); |
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82 | $self->_journal_schema->storage->disconnect(); |
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83 | } |
84 | |
85 | sub get_audit_log_class_name |
86 | { |
87 | my ($self, $sourcename) = @_; |
88 | |
d27ed438 |
89 | return blessed($self->_journal_schema) . "::${sourcename}AuditLog"; |
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90 | } |
91 | |
92 | sub get_audit_history_class_name |
93 | { |
94 | my ($self, $sourcename) = @_; |
95 | |
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96 | return blessed($self->_journal_schema) . "::${sourcename}AuditHistory"; |
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97 | } |
98 | |
99 | sub create_journal_for |
100 | { |
101 | my ($self, $s_name) = @_; |
102 | |
103 | my $source = $self->source($s_name); |
104 | my $newclass = $self->get_audit_log_class_name($s_name); |
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105 | DBIx::Class::Componentised->inject_base($newclass, 'DBIx::Class::Schema::Journal::DB::AuditLog'); |
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106 | $newclass->table(lc($s_name) . "_audit_log"); |
107 | $self->_journal_schema->register_class("${s_name}AuditLog", $newclass); |
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108 | |
109 | |
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110 | my $histclass = $self->get_audit_history_class_name($s_name); |
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111 | DBIx::Class::Componentised->inject_base($histclass, 'DBIx::Class::Schema::Journal::DB::AuditHistory'); |
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112 | $histclass->table(lc($s_name) . "_audit_history"); |
113 | # $histclass->result_source_instance->name(lc($s_name) . "_audit_hisory"); |
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114 | $histclass->add_columns( |
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115 | map { $_ => $source->column_info($_) } $source->columns |
116 | ); |
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117 | |
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118 | $self->_journal_schema->register_class("${s_name}AuditHistory", $histclass); |
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119 | } |
120 | |
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121 | sub txn_do |
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122 | { |
123 | my ($self, $code) = @_; |
124 | |
125 | ## Create a new changeset, then run $code as a transaction |
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126 | my $cs = $self->_journal_schema->resultset('ChangeSet'); |
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127 | |
128 | $self->txn_begin; |
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129 | my $changeset = $cs->create({ ( $self->_journal_schema->current_user() ? ( user_id => $self->_journal_schema->current_user()) : () ), |
130 | # user_id => $self->_journal_schema->current_user(), |
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131 | session_id => $self->_journal_schema->current_session(), |
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132 | }); |
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133 | $self->_journal_schema->current_changeset($changeset->ID); |
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134 | |
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135 | $self->next::method($code); |
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136 | } |
137 | |
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138 | 1; |