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1 | package DBIx::Class::DeploymentHandler::WithReasonableDefaults; |
2 | use Moose::Role; |
3 | |
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4 | # ABSTRACT: Make default arguments to a few methods sensible |
5 | |
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6 | requires qw( prepare_upgrade prepare_downgrade database_version schema_version ); |
7 | |
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8 | around prepare_upgrade => sub { |
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9 | my $orig = shift; |
10 | my $self = shift; |
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11 | my $args = shift || {}; |
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12 | |
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13 | $args->{from_version} ||= $self->database_version; |
14 | $args->{to_version} ||= $self->schema_version; |
15 | $args->{version_set} ||= [$args->{from_version}, $args->{to_version}]; |
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16 | |
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17 | $self->$orig($args); |
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18 | }; |
19 | |
20 | |
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21 | around prepare_downgrade => sub { |
22 | my $orig = shift; |
23 | my $self = shift; |
24 | |
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25 | my $args = shift || {}; |
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26 | |
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27 | $args->{from_version} ||= $self->database_version; |
28 | $args->{to_version} ||= $self->schema_version; |
29 | $args->{version_set} ||= [$args->{from_version}, $args->{to_version}]; |
30 | |
31 | $self->$orig($args); |
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32 | }; |
33 | |
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34 | around install_resultsource => sub { |
35 | my $orig = shift; |
36 | my $self = shift; |
37 | my $source = shift; |
38 | my $version = shift || $self->to_version; |
39 | |
40 | $self->$orig($source, $version); |
41 | }; |
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42 | |
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43 | 1; |
44 | |
45 | __END__ |
46 | |
47 | vim: ts=2 sw=2 expandtab |
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48 | |
49 | =head1 CONVENIENCE |
50 | |
51 | The whole point of this role is to set defaults for arguments of various |
52 | methods. It's a little awesome. |
53 | |
54 | =head1 METHODS |
55 | |
56 | =head2 prepare_upgrade |
57 | |
58 | Defaulted args: |
59 | |
60 | my $from_version = $self->database_version; |
61 | my $to_version = $self->schema_version; |
62 | my $version_set = [$from_version, $to_version]; |
63 | |
64 | =head2 prepare_downgrade |
65 | |
66 | Defaulted args: |
67 | |
68 | my $from_version = $self->database_version; |
69 | my $to_version = $self->schema_version; |
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70 | my $version_set = [$to_version]; |
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71 | |
72 | =head2 install_resultsource |
73 | |
74 | Defaulted args: |
75 | |
76 | my $version = $self->to_version; |