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1 | package # hide from PAUSE |
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2 | DBIx::Class::CDBICompat::ColumnGroups; |
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3 | |
4 | use strict; |
5 | use warnings; |
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6 | |
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7 | use base qw/DBIx::Class::Row/; |
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8 | |
9 | __PACKAGE__->mk_classdata('_column_groups' => { }); |
10 | |
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11 | sub columns { |
12 | my $proto = shift; |
13 | my $class = ref $proto || $proto; |
14 | my $group = shift || "All"; |
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15 | $class->_init_result_source_instance(); |
16 | |
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17 | $class->_add_column_group($group => @_) if @_; |
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18 | return $class->all_columns if $group eq "All"; |
19 | return $class->primary_column if $group eq "Primary"; |
20 | return keys %{$class->_column_groups->{$group}}; |
21 | } |
22 | |
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23 | sub _add_column_group { |
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24 | my ($class, $group, @cols) = @_; |
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25 | $class->add_columns(@cols); |
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26 | $class->_register_column_group($group => @cols); |
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27 | } |
28 | |
29 | sub _register_column_group { |
30 | my ($class, $group, @cols) = @_; |
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31 | |
32 | my $groups = { %{$class->_column_groups} }; |
33 | |
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34 | if ($group eq 'Primary') { |
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35 | $class->set_primary_key(@cols); |
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36 | $groups->{'Essential'}{$_} ||= {} for @cols; |
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37 | } |
38 | |
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39 | if ($group eq 'All') { |
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40 | unless (exists $class->_column_groups->{'Primary'}) { |
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41 | $groups->{'Primary'}{$cols[0]} = {}; |
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42 | $class->set_primary_key($cols[0]); |
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43 | } |
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44 | unless (exists $class->_column_groups->{'Essential'}) { |
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45 | $groups->{'Essential'}{$cols[0]} = {}; |
46 | } |
47 | } |
48 | |
49 | $groups->{$group}{$_} ||= {} for @cols; |
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50 | |
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51 | $class->_column_groups($groups); |
52 | } |
53 | |
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54 | sub all_columns { return shift->result_source_instance->columns; } |
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55 | |
56 | sub primary_column { |
57 | my ($class) = @_; |
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58 | my @pri = $class->primary_columns; |
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59 | return wantarray ? @pri : $pri[0]; |
60 | } |
61 | |
62 | sub find_column { |
63 | my ($class, $col) = @_; |
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64 | return $col if $class->has_column($col); |
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65 | } |
66 | |
67 | sub __grouper { |
68 | my ($class) = @_; |
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69 | my $grouper = { class => $class }; |
70 | return bless($grouper, 'DBIx::Class::CDBICompat::ColumnGroups::GrouperShim'); |
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71 | } |
72 | |
73 | sub _find_columns { |
74 | my ($class, @col) = @_; |
75 | return map { $class->find_column($_) } @col; |
76 | } |
77 | |
78 | package DBIx::Class::CDBICompat::ColumnGroups::GrouperShim; |
79 | |
80 | sub groups_for { |
81 | my ($self, @cols) = @_; |
82 | my %groups; |
83 | foreach my $col (@cols) { |
84 | foreach my $group (keys %{$self->{class}->_column_groups}) { |
85 | $groups{$group} = 1 if $self->{class}->_column_groups->{$group}->{$col}; |
86 | } |
87 | } |
88 | return keys %groups; |
89 | } |
90 | |
91 | |
92 | 1; |