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1 | use MooseX::Declare; |
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2 | class SQL::Translator::Object::Trigger extends SQL::Translator::Object { |
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3 | use MooseX::Types::Moose qw(Any ArrayRef HashRef Int Str); |
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4 | use MooseX::MultiMethods; |
5 | use SQL::Translator::Types qw(Column Schema Table); |
6 | |
7 | has 'schema' => ( |
8 | is => 'rw', |
9 | isa => Schema, |
10 | weak_ref => 1, |
11 | ); |
12 | |
13 | has 'table' => ( |
14 | is => 'rw', |
15 | isa => Table, |
16 | weak_ref => 1, |
17 | ); |
18 | |
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19 | has 'name' => ( |
20 | is => 'ro', |
21 | isa => Str, |
22 | required => 1 |
23 | ); |
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24 | |
25 | has 'columns' => ( |
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26 | traits => ['Hash'], |
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27 | is => 'rw', |
28 | isa => HashRef[Column], |
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29 | handles => { |
30 | exists_column => 'exists', |
31 | column_ids => 'keys', |
32 | get_columns => 'values', |
33 | get_column => 'get', |
34 | add_column => 'set', |
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35 | clear_columns => 'clear', |
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36 | }, |
37 | default => sub { my %hash = (); tie %hash, 'Tie::IxHash'; return \%hash }, |
38 | ); |
39 | |
40 | has 'on_table' => ( |
41 | is => 'rw', |
42 | isa => Str, |
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43 | required => 1, |
44 | # trigger => sub { my ($self, $new, $old) = @_; $self->table($self->schema->get_table($new)) }, |
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45 | ); |
46 | |
47 | has 'action' => ( |
48 | is => 'rw', |
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49 | isa => Any |
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50 | ); |
51 | |
52 | has 'perform_action_when' => ( |
53 | is => 'rw', |
54 | isa => Str, |
55 | required => 1 |
56 | ); |
57 | |
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58 | has '_database_events' => ( |
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59 | traits => ['Array'], |
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60 | isa => ArrayRef, |
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61 | handles => { |
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62 | _database_events => 'elements', |
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63 | add_database_event => 'push', |
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64 | remove_last_database_option => 'pop', |
65 | }, |
66 | default => sub { [] }, |
67 | required => 1, |
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68 | ); |
69 | |
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70 | has '_order' => ( |
71 | isa => Int, |
72 | is => 'rw', |
73 | ); |
74 | |
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75 | around add_column(Column $column) { $self->$orig($column->name, $column) } |
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76 | |
77 | multi method database_events(Str $database_event) { $self->add_database_event($database_event); $self->database_events } |
78 | multi method database_events(ArrayRef $database_events) { $self->add_database_event($_) for @$database_events; $self->database_events } |
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79 | multi method database_events { $self->_database_events } |
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80 | |
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81 | multi method order(Int $order) { $self->_order($order); } |
82 | multi method order { |
83 | my $order = $self->_order; |
84 | unless (defined $order && $order) { |
85 | my $triggers = Tie::IxHash->new( map { $_->name => $_ } $self->schema->get_triggers ); |
86 | $order = $triggers->Indices($self->name) || 0; $order++; |
87 | $self->_order($order); |
88 | } |
89 | return $order; |
90 | } |
91 | |
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92 | method is_valid { 1 } |
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93 | |
94 | around BUILDARGS(ClassName $self: @args) { |
95 | my $args = $self->$orig(@args); |
96 | |
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97 | my $database_events = delete $args->{database_events}; |
98 | $args->{_database_events} = ref $database_events ? $database_events : [ $database_events ]; |
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99 | |
100 | return $args; |
101 | } |
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102 | } |