annotate Lib/CDBI/Transform.pm @ 59:0f3e369553bd

Rewritten property implementation (probably become slower but more flexible) Configuration infrastructure in progress (in the aspect of the lazy activation) Initial concept for the code generator
author wizard
date Tue, 09 Mar 2010 02:50:45 +0300
parents 16ada169ca75
children 76515373dac0
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1 package CDBI::Transform::FormToObject;
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2 use strict;
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3 use warnings;
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4
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5 use base qw(IMPL::Object::Autofill Form::Transform );
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6 use IMPL::Class::Property;
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7 require IMPL::Exception;
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8
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9 BEGIN {
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10 public property Class => prop_all;
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11 public property Namespace => prop_all;
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12 }
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13
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14 sub CTOR {
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15 my $this = shift;
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16 $this->superCTOR(@_);
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17
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18 die new IMPL::InvalidArgumentException('Class is required') unless $this->Class;
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19 }
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20
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21 sub TransformContainer {
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22 my ($this,$container) = @_;
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23
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24 my $class;
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25 if ($container->Name eq 'Form') {
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26 $class = $this->Class;
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27 } else {
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28 $class = $this->_mk_class($container->Attributes->{'cdbi.class'}) or die new IMPL::Exception('cdbi.class isn\'t specified',$container->Id->Canonical);
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29 }
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30
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31 my %data;
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32
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33 #my %columns = map {$_,1} $class->columns();
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34
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35 no strict 'refs';
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36 my @accessors = map $_->accessor, $class->columns();# grep $columns{lc $_}, keys %{"${class}::"};
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37
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38 # формируем из контейнера формы данные для объекта
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39 foreach my $column ( @accessors, 'id' ) {
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40 my ($val) = $container->GetChild($column);
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41 $data{$column} = $this->Transform($val) if $val;
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42 }
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43
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44 my $obj;
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45 if ($data{id}) {
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46 # edit value
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47
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48
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49 $obj = $class->validateId($data{id});
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50 my %filter = map { $_, $obj->$_()} @accessors;
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51 $filter{$_} = $data{$_} foreach keys %data;
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52 my ($newObj) = $class->lookup(\%data);
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53 die new IMPL::DuplicateException('The object already exists', $class) if ($newObj and $newObj->id != $data{id});
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54
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55 $obj->$_($data{$_}) foreach keys %data;
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56 $obj->update();
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57 } else {
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58 # new instance
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59 die new IMPL::DuplicateException('The object already exists', $class) if $class->lookup(\%data);
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60 $obj = $class->insert(\%data);
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61 }
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62 return $obj;
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63 }
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64
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65 sub _mk_class {
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66 my ($this,$name) = @_;
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67
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68 return unless $name;
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69 return $name if $name =~ /::/;
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70 return $this->Namespace ? $this->Namespace."::$name" : $name;
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71 }
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72
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73 package CDBI::Transform::ObjectToForm;
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74 use base qw(IMPL::Transform);
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75
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76 use IMPL::Class::Property;
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77
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78 sub CTOR {
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79 my $this = shift;
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80
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81 $this->superCTOR(
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82 Default => \&TransformObject,
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83 Plain => sub { my ($this,$val) = @_; return $val; }
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84 );
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85 }
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86
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87 sub TransformObject {
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88 my ($this,$object) = @_;
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89
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90 return $object if not ref $object;
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91
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92 my %data;
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93 foreach my $column ( (map $_->accessor,$object->columns()),'id') {
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94 my $value = $object->$column();
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95
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96 if (ref $value eq 'HASH') {
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97 $data{"$column/$_"} = $value->{$_} foreach keys %$value;
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98 } else {
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99 $data{$column} = $value;
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100 }
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101 }
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102
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103 return \%data;
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104 }
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105 1;