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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 ] |
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12 | __PACKAGE__->mk_classdata('_journal_schema'); ## schema object for journal |
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13 | |
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14 | our $VERSION = '0.01'; |
15 | |
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16 | use strict; |
17 | use warnings; |
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18 | |
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19 | # sub throw_exception |
20 | # { |
21 | # } |
22 | |
23 | # sub exception_action |
24 | # { |
25 | # my $self = shift; |
26 | # # print STDERR Carp::longmess; |
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27 | |
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28 | # $self->next::method(@_); |
29 | # } |
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30 | |
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31 | # sub load_classes |
32 | # { |
33 | # my $class = shift; |
34 | |
35 | |
36 | # $class->next::method(@_); |
37 | |
38 | # } |
39 | |
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40 | sub connection |
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41 | { |
42 | my $self = shift; |
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43 | my $schema = $self->next::method(@_); |
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44 | |
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45 | # print STDERR join(":", $self->sources), "\n"; |
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46 | |
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47 | my $journal_schema; |
48 | if(!defined($self->journal_connection)) |
49 | { |
50 | ## If no connection, use the same schema/storage etc as the user |
51 | DBIx::Class::Componentised->inject_base(ref $self, 'DBIx::Class::Schema::Journal::DB'); |
52 | $journal_schema = $self; |
53 | } |
54 | else |
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55 | { |
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56 | $journal_schema = DBIx::Class::Schema::Journal::DB->connect(@{ $self->journal_connection }); |
57 | if($self->journal_storage_type) |
58 | { |
59 | $journal_schema->storage_type($self->journal_storage_type); |
60 | } |
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61 | } |
62 | |
63 | ## get our own private version of the journaling sources |
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64 | $self->_journal_schema($journal_schema->compose_namespace(blessed($self) . '::Journal')); |
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65 | |
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66 | ## Create auditlog+history per table |
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67 | my %j_sources = map { $_ => 1 } $self->journal_sources |
68 | ? @{$self->journal_sources} |
69 | : $self->sources; |
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70 | foreach my $s_name ($self->sources) |
71 | { |
72 | next unless($j_sources{$s_name}); |
73 | $self->create_journal_for($s_name); |
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74 | $self->class($s_name)->load_components('Journal'); |
a5222e78 |
75 | # print STDERR "$s_name :", $self->class($s_name), "\n"; |
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76 | } |
77 | |
78 | ## Set up relationship between changeset->user_id and this schema's user |
79 | if(!@{$self->journal_user}) |
80 | { |
81 | warn "No Journal User set!"; |
82 | return; |
83 | } |
84 | |
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85 | $self->_journal_schema->deploy(); |
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86 | $self->_journal_schema->class('ChangeSet')->belongs_to('user', @{$self->journal_user}); |
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87 | $self->_journal_schema->storage->disconnect(); |
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88 | |
89 | return $schema; |
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90 | } |
91 | |
92 | sub get_audit_log_class_name |
93 | { |
94 | my ($self, $sourcename) = @_; |
95 | |
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96 | return blessed($self->_journal_schema) . "::${sourcename}AuditLog"; |
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97 | } |
98 | |
99 | sub get_audit_history_class_name |
100 | { |
101 | my ($self, $sourcename) = @_; |
102 | |
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103 | return blessed($self->_journal_schema) . "::${sourcename}AuditHistory"; |
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104 | } |
105 | |
106 | sub create_journal_for |
107 | { |
108 | my ($self, $s_name) = @_; |
109 | |
110 | my $source = $self->source($s_name); |
111 | my $newclass = $self->get_audit_log_class_name($s_name); |
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112 | DBIx::Class::Componentised->inject_base($newclass, 'DBIx::Class::Schema::Journal::DB::AuditLog'); |
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113 | $newclass->table(lc($s_name) . "_audit_log"); |
114 | $self->_journal_schema->register_class("${s_name}AuditLog", $newclass); |
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115 | |
116 | |
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117 | my $histclass = $self->get_audit_history_class_name($s_name); |
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118 | DBIx::Class::Componentised->inject_base($histclass, 'DBIx::Class::Schema::Journal::DB::AuditHistory'); |
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119 | $histclass->table(lc($s_name) . "_audit_history"); |
120 | # $histclass->result_source_instance->name(lc($s_name) . "_audit_hisory"); |
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121 | $histclass->add_columns( |
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122 | map { $_ => $source->column_info($_) } $source->columns |
123 | ); |
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124 | |
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125 | $self->_journal_schema->register_class("${s_name}AuditHistory", $histclass); |
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126 | } |
127 | |
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128 | sub txn_do |
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129 | { |
130 | my ($self, $code) = @_; |
131 | |
132 | ## Create a new changeset, then run $code as a transaction |
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133 | my $cs = $self->_journal_schema->resultset('ChangeSet'); |
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134 | |
135 | $self->txn_begin; |
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136 | my %changesetdata; |
137 | if( defined $self->_journal_schema->current_user() ) |
138 | { |
139 | $changesetdata{user_id} = $self->_journal_schema->current_user(); |
140 | } |
141 | if( defined $self->_journal_schema->current_session() ) |
142 | { |
143 | $changesetdata{session_id} = $self->_journal_schema->current_session(); |
144 | } |
145 | |
146 | # ( |
147 | # $self->_journal_schema->current_user() |
148 | # ? ( user_id => $self->_journal_schema->current_user()) |
149 | # : (), |
150 | # $self->_journal_schema->current_session() |
151 | # ? ( session_id => $self->_journal_schema->current_session() ) |
152 | # : () |
153 | # ); |
52558dc4 |
154 | if(!%changesetdata) |
155 | { |
156 | %changesetdata = ( ID => undef ); |
157 | } |
158 | my $changeset = $cs->create({ %changesetdata }); |
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159 | $self->_journal_schema->current_changeset($changeset->ID); |
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160 | |
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161 | $self->next::method($code); |
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162 | } |
163 | |
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164 | sub changeset_user |
165 | { |
166 | my ($self, $userid) = @_; |
167 | |
168 | return $self->_journal_schema->current_user() if(@_ == 1); |
169 | |
170 | $self->_journal_schema->current_user($userid); |
171 | } |
172 | |
173 | sub changeset_session |
174 | { |
175 | my ($self, $sessionid) = @_; |
176 | |
177 | return $self->_journal_schema->current_session() if(@_ == 1); |
178 | |
179 | $self->_journal_schema->current_session($sessionid); |
180 | } |
181 | |
182 | |
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183 | 1; |