lib/MojoFacets/Changes.pm

   1 package MojoFacets::Changes;
   2
   3 use strict;
   4 use warnings;
   5
   6 use base 'Mojolicious::Controller';
   7
   8 use Storable;
   9 use Data::Dump qw(dump);
  10 use MojoFacets::Data;
  11
  12 sub _changes_path {
  13         my $self = shift;
  14         my $path = $self->param('path') || $self->session('path');
  15         $self->app->home->rel_file('data') . '/' . $path . '.changes';
  16 }
  17
  18 sub _hash_eq {
  19         my ( $a_ref, $b_ref ) = @_;
  20
  21         warn "# _hash_eq ",dump($a_ref,$b_ref);
  22
  23         local $Storable::canonical = 1;
  24         return eval { Storable::freeze( $a_ref ) } eq eval { Storable::freeze( $b_ref ) };
  25 }
  26
  27 sub index {
  28         my ( $self ) = @_;
  29         my $path = $self->param('path') || $self->session('path');
  30         my $on_path = $self->param('on_path');
  31         my $commit = $self->param('commit');
  32         my $apply = $self->param('apply');
  33         my ( $items, $unique2id );
  34         if ( $on_path ) {
  35                 $items = $MojoFacets::Data::loaded->{$on_path}->{data}->{items};
  36                 if ( ! $items ) {
  37                         warn "$on_path not loaded";
  38                         return $self->redirect_to('/data/index?path=' . $on_path);
  39                 }
  40                 warn "using ", $#$items + 1, " items from $on_path\n";
  41         }
  42         my $invalidate_columns;
  43         my $changes;
  44         my $stats;
  45         my $glob = $self->_changes_path . '/*';
  46         my $status = 'unknown';
  47         foreach my $t ( sort { $a cmp $b } glob $glob ) {
  48                 my $e = retrieve($t);
  49                 $e->{old} = [ $e->{old} ] unless ref $e->{old} eq 'ARRAY';
  50                 if ( $items && exists $e->{unique} ) {
  51                         my ($pk,$id) = %{ $e->{unique} };
  52                         if ( ! $pk ) {
  53                                 $e->{_status} = 'skip';
  54                                 $stats->{skip}++;
  55                                 push @$changes, $e;
  56                                 next;
  57                         }
  58                         if ( ! defined $unique2id->{$pk} ) {
  59                                 warn "unique2id $pk on ", $#$items + 1 ," items\n";
  60                                 foreach my $i ( 0 .. $#$items ) {
  61                                         $unique2id->{$pk}->{ $items->[$i]->{$pk}->[0] } = $i;
  62                                 }
  63                         }
  64                         $status = 'missing';
  65                         if ( my $i = $unique2id->{$pk}->{$id} ) {
  66                                 if ( _hash_eq( $e->{old}, $items->[$i]->{$e->{column}} ) ) {
  67                                         $status = 'found';
  68                                         if ( $commit ) {
  69                                                 my $column = $e->{column} or die "no column";
  70                                                 $items->[$i]->{$column} = $e->{new};
  71                                                 warn "# commit $i $column ",dump( $e->{new} );
  72                                                 $invalidate_columns->{$column}++;
  73                                         }
  74                                 } else {
  75                                         $status = 'source-changed';
  76                                 }
  77                         }
  78                 } elsif ( my $code = $e->{code} ) {
  79                         if ( $commit ) {
  80                                 my $commit_changed;
  81                                 my $t = time();
  82                                 foreach my $i ( 0 .. $#$items ) {
  83                                         MojoFacets::Data::__commit_path_code( $on_path, $i, $code, \$commit_changed );
  84                                 }
  85                                 $t = time() - $t;
  86                                 $self->stash( 'commit_changed', $commit_changed );
  87                                 warn "commit_changed in $t s ",dump( $e->{commit_changed}, $commit_changed );
  88                                 $e->{commit_changed_this} = $commit_changed;
  89                                 MojoFacets::Data::__invalidate_path_column( $on_path, $_ ) foreach keys %$commit_changed;
  90                                 MojoFacets::Data::__path_rebuild_stats( $on_path );
  91                         }
  92                         $status = 'code';
  93                         if ( ( $apply || $commit ) && $e->{commit_changed} ) {
  94                                 $status = 'found';
  95                                 foreach my $c ( keys %{ $e->{commit_changed} } ) {
  96                                         $status = 'missing' unless defined $MojoFacets::Data::loaded->{$path}->{stats}->{$c};
  97                                 }
  98                         }
  99                 } else {
 100                         $status = 'unknown';
 101                 }
 102
 103                 $e->{_status} = $status;
 104                 $stats->{$status}++;
 105
 106                 push @$changes, $e;
 107         }
 108
 109
 110         foreach my $name ( keys %$invalidate_columns ) {
 111                 MojoFacets::Data::__invalidate_path_column( $on_path, $name );
 112         }
 113
 114         MojoFacets::Data::__path_modified( $on_path );
 115
 116         my @loaded = MojoFacets::Data::__loaded_paths();
 117         warn "# loaded paths ",dump @loaded;
 118
 119         $self->render(
 120                 on_path => $on_path || $path,
 121                 changes => $changes,
 122                 loaded => \@loaded,
 123                 stats => $stats,
 124         );
 125 }
 126
 127 sub remove {
 128         my $self = shift;
 129
 130         if ( my $t = $self->param('time') ) {
 131                 unlink $self->_changes_path . '/' . $t;
 132         }
 133
 134         return $self->redirect_to('/changes');
 135 }
 136
 137 1;