Open-ILS/src/perlmods/OpenILS/Application/Storage/Publisher.pm

   1 package OpenILS::Application::Storage::Publisher;
   2 use base qw/OpenILS::Application::Storage/;
   3 our $VERSION = 1;
   4
   5 use Digest::MD5 qw/md5_hex/;
   6 use OpenSRF::EX qw/:try/;;
   7 use OpenSRF::Utils::Logger qw/:level/;
   8 use OpenILS::Utils::Fieldmapper;
   9
  10 my $log = 'OpenSRF::Utils::Logger';
  11
  12
  13 sub register_method {
  14         my $class = shift;
  15         my %args = @_;
  16         my %dup_args = %args;
  17
  18         $class = ref($class) || $class;
  19
  20         $args{package} ||= $class;
  21         __PACKAGE__->SUPER::register_method( %args );
  22
  23         if (exists($dup_args{cachable}) and $dup_args{cachable}) {
  24                 (my $name = $dup_args{api_name}) =~ s/^open-ils\.storage/open-ils.storage.cachable/o;
  25                 if ($name ne $dup_args{api_name}) {
  26                         $dup_args{real_api_name} = $dup_args{api_name};
  27                         $dup_args{method} = 'cachable_wrapper';
  28                         $dup_args{api_name} = $name;
  29                         $dup_args{package} = __PACKAGE__;
  30                         __PACKAGE__->SUPER::register_method( %dup_args );
  31                 }
  32         }
  33 }
  34
  35 sub cachable_wrapper {
  36         my $self = shift;
  37         my $client = shift;
  38         my @args = @_;
  39
  40         my %cache_args = (
  41                 limit           => 100,
  42                 offset          => 0,
  43                 timeout         => 7200,
  44                 cache_page_size => 1000,
  45         );
  46
  47         my @real_args;
  48         my $key_string = $self->api_name;
  49         for (my $ind = 0; $ind < scalar(@args); $ind++) {
  50                 if (    $args[$ind] eq 'limit' ||
  51                         $args[$ind] eq 'offset' ||
  52                         $args[$ind] eq 'cache_page_size' ||
  53                         $args[$ind] eq 'timeout' ) {
  54
  55                         my $key_ind = $ind;
  56                         $ind++;
  57                         my $value_ind = $ind;
  58                         $cache_args{$args[$key_ind]} = $args[$value_ind];
  59                         $log->debug("Cache limiter value for $args[$key_ind] is $args[$value_ind]", INTERNAL);
  60                         next;
  61                 }
  62                 $key_string .= $args[$ind];
  63                 $log->debug("Partial cache key value is $args[$ind]", INTERNAL);
  64                 push @real_args, $args[$ind];
  65         }
  66
  67         my $cache_page = int($cache_args{offset} / $cache_args{cache_page_size});
  68         my $cache_key;
  69         {       use bytes;
  70                 $cache_key = md5_hex($key_string.$cache_page);
  71         }
  72
  73         $log->debug("Key string for cache lookup is $key_string -> $cache_key", DEBUG);
  74         $log->debug("Cache page is $cache_page", DEBUG);
  75
  76         my $cached_res = OpenSRF::Utils::Cache->new->get_cache( $cache_key );
  77         if (defined $cached_res) {
  78                 $log->debug("Found ".scalar(@$cached_res)." records in the cache", INFO);
  79                 $log->debug("Values from cache: ".join(', ', @$cached_res), INTERNAL);
  80                 my $start = int($cache_args{offset} - ($cache_page * $cache_args{cache_page_size}));
  81                 my $end = int($start + $cache_args{limit} - 1);
  82                 $log->debug("Responding with values from ".$start.' to '.$end,DEBUG);
  83                 $client->respond( $_ ) for ( grep { defined } @$cached_res[ $start .. $end ]);
  84                 return undef;
  85         }
  86
  87         my $method = $self->method_lookup($self->{real_api_name});
  88         my @res = $method->run(@real_args);
  89
  90
  91         $client->respond( $_ ) for ( grep { defined } @res[$cache_args{offset} .. int($cache_args{offset} + $cache_args{limit} - 1)] );
  92
  93         $log->debug("Saving values from ".int($cache_page * $cache_args{cache_page_size})." to ".
  94                 int(($cache_page + 1) * $cache_args{cache_page_size}). "to the cache", INTERNAL);
  95         try {
  96                 OpenSRF::Utils::Cache->new->put_cache(
  97                         $cache_key =>
  98                         [@res[int($cache_page * $cache_args{cache_page_size}) .. int(($cache_page + 1) * $cache_args{cache_page_size}) ]] =>
  99                         $cache_args{timeout}
 100                 );
 101         } catch Error with {
 102                 my $e = shift;
 103                 $log->error("Cache seems to be down, $e");
 104         };
 105
 106         return undef;
 107 }
 108
 109 sub retrieve_node {
 110         my $self = shift;
 111         my $client = shift;
 112         my @ids = @_;
 113
 114         my $cdbi = $self->{cdbi};
 115
 116         for my $id ( @ids ) {
 117                 next unless ($id);
 118
 119                 my ($rec) = $cdbi->fast_fieldmapper($id);
 120                 if ($self->api_name !~ /batch/o) {
 121                         return $rec if ($rec);
 122                 }
 123                 $client->respond($rec);
 124         }
 125         return undef;
 126 }
 127
 128 sub search {
 129         my $self = shift;
 130         my $client = shift;
 131         my $searches = shift;
 132
 133         my $cdbi = $self->{cdbi};
 134
 135         $log->debug("Searching $cdbi for { ".join(',', map { "$_ => $$searches{$_}" } keys %$searches).' }',DEBUG);
 136
 137         for my $obj ($cdbi->search($searches)) {
 138                 $client->respond( $obj->to_fieldmapper );
 139         }
 140         return undef;
 141 }
 142
 143 sub search_one_field {
 144         my $self = shift;
 145         my $client = shift;
 146         my @terms = @_;
 147
 148         (my $search_type = $self->api_name) =~ s/.*\.(search[^.]*).*/$1/o;
 149         (my $col = $self->api_name) =~ s/.*\.$search_type\.([^.]+).*/$1/;
 150         my $cdbi = $self->{cdbi};
 151
 152         my $like = 0;
 153         $like = 1 if ($search_type =~ /like$/o);
 154
 155         for my $term (@terms) {
 156                 $log->debug("Searching $cdbi for $col using type $search_type, value '$term'",DEBUG);
 157                 if (@terms == 1) {
 158                         return [ $cdbi->fast_fieldmapper($term,$col,$like) ];
 159                 }
 160                 $client->respond( [ $cdbi->fast_fieldmapper($term,$col,$like) ] );
 161         }
 162         return undef;
 163 }
 164
 165
 166 sub create_node {
 167         my $self = shift;
 168         my $client = shift;
 169         my $node = shift;
 170
 171         my $cdbi = $self->{cdbi};
 172
 173         my $success;
 174         try {
 175                 my $rec = $cdbi->create($node);
 176                 $success = $rec->id if ($rec);
 177         } catch Error with {
 178                 $success = 0;
 179         };
 180
 181         return $success;
 182 }
 183
 184 sub update_node {
 185         my $self = shift;
 186         my $client = shift;
 187         my $node = shift;
 188
 189         my $cdbi = $self->{cdbi};
 190
 191         return $cdbi->update($node);
 192 }
 193
 194 sub mass_delete {
 195         my $self = shift;
 196         my $client = shift;
 197         my $search = shift;
 198
 199         my $where = 'WHERE ';
 200
 201         my $cdbi = $self->{cdbi};
 202         my $table = $cdbi->table;
 203
 204         my @keys = sort keys %$search;
 205
 206         my @binds;
 207         my @wheres;
 208         for my $col ( @keys ) {
 209                 if (ref($$search{$col}) and ref($$search{$col}) =~ /ARRAY/o) {
 210                         push @wheres, "$col IN (" . join(',', map { '?' } @{ $$search{$col} }) . ')';
 211                         push @binds, map { "$_" } @{ $$search{$col} };
 212                 } else {
 213                         push @wheres, "$col = ?";
 214                         push @binds, $$search{$col};
 215                 }
 216         }
 217         $where .= join ' AND ', @wheres;
 218
 219         my $delete = "DELETE FROM $table $where";
 220
 221         $log->debug("Performing MASS deletion : $delete",DEBUG);
 222
 223         my $dbh = $cdbi->db_Main;
 224         my $success = 1;
 225         try {
 226                 my $sth = $dbh->prepare($delete);
 227                 $sth->execute( @binds );
 228                 $sth->finish;
 229                 $log->debug("MASS Delete succeeded",DEBUG);
 230         } catch Error with {
 231                 $log->debug("MASS Delete FAILED : ".shift(),DEBUG);
 232                 $success = 0;
 233         };
 234         return $success;
 235 }
 236
 237 sub delete_node {
 238         my $self = shift;
 239         my $client = shift;
 240         my $node = shift;
 241
 242         my $cdbi = $self->{cdbi};
 243
 244         my $success = 1;
 245         try {
 246                 $success = $cdbi->delete($node);
 247         } catch Error with {
 248                 $success = 0;
 249         };
 250         return $success;
 251 }
 252
 253 sub batch_call {
 254         my $self = shift;
 255         my $client = shift;
 256         my @nodes = @_;
 257
 258         my $cdbi = $self->{cdbi};
 259         my $api_name = $self->api_name;
 260         (my $single_call_api_name = $api_name) =~ s/batch\.//o;
 261
 262         $log->debug("Default $api_name looking up $single_call_api_name...",INTERNAL);
 263         my $method = $self->method_lookup($single_call_api_name);
 264
 265         my @success;
 266         while ( my $node = shift(@nodes) ) {
 267                 my ($res) = $method->run( $node );
 268                 push(@success, 1) if ($res >= 0);
 269         }
 270
 271         my $insert_total = 0;
 272         $insert_total += $_ for (@success);
 273
 274         return $insert_total;
 275 }
 276
 277 eval '
 278 use OpenILS::Application::Storage::Publisher::actor;
 279 use OpenILS::Application::Storage::Publisher::action;
 280 use OpenILS::Application::Storage::Publisher::asset;
 281 use OpenILS::Application::Storage::Publisher::biblio;
 282 use OpenILS::Application::Storage::Publisher::config;
 283 use OpenILS::Application::Storage::Publisher::metabib;
 284 use OpenILS::Application::Storage::Publisher::permission;
 285 ';
 286
 287 for my $fmclass ( (Fieldmapper->classes) ) {
 288         $log->debug("Generating methods for Fieldmapper class $fmclass", DEBUG);
 289
 290         (my $cdbi = $fmclass) =~ s/^Fieldmapper:://o;
 291         (my $class = $cdbi) =~ s/::.*//o;
 292         (my $api_class = $cdbi) =~ s/::/./go;
 293         my $registration_class = __PACKAGE__ . "::$class";
 294         my $api_prefix = 'open-ils.storage.direct.'.$api_class;
 295
 296         # Create the search method
 297         unless ( __PACKAGE__->is_registered( $api_prefix.'.search' ) ) {
 298                 __PACKAGE__->register_method(
 299                         api_name        => $api_prefix.'.search',
 300                         method          => 'search',
 301                         api_level       => 1,
 302                         stream          => 1,
 303                         cdbi            => $cdbi,
 304                         cachable        => 1,
 305                 );
 306         }
 307
 308         # Create the retrieve method
 309         unless ( __PACKAGE__->is_registered( $api_prefix.'.retrieve' ) ) {
 310                 __PACKAGE__->register_method(
 311                         api_name        => $api_prefix.'.retrieve',
 312                         method          => 'retrieve_node',
 313                         api_level       => 1,
 314                         cdbi            => $cdbi,
 315                         cachable        => 1,
 316                 );
 317         }
 318
 319         # Create the batch retrieve method
 320         unless ( __PACKAGE__->is_registered( $api_prefix.'.batch.retrieve' ) ) {
 321                 __PACKAGE__->register_method(
 322                         api_name        => $api_prefix.'.batch.retrieve',
 323                         method          => 'retrieve_node',
 324                         api_level       => 1,
 325                         stream          => 1,
 326                         cdbi            => $cdbi,
 327                         cachable        => 1,
 328                 );
 329         }
 330
 331         unless ($fmclass->is_virtual) {
 332                 for my $field ($fmclass->real_fields) {
 333                         unless ( __PACKAGE__->is_registered( $api_prefix.'.search.'.$field ) ) {
 334                                 __PACKAGE__->register_method(
 335                                         api_name        => $api_prefix.'.search.'.$field,
 336                                         method          => 'search_one_field',
 337                                         api_level       => 1,
 338                                         cdbi            => $cdbi,
 339                                         cachable        => 1,
 340                                 );
 341                         }
 342                         unless ( __PACKAGE__->is_registered( $api_prefix.'.search_like.'.$field ) ) {
 343                                 __PACKAGE__->register_method(
 344                                         api_name        => $api_prefix.'.search_like.'.$field,
 345                                         method          => 'search_one_field',
 346                                         api_level       => 1,
 347                                         cdbi            => $cdbi,
 348                                         cachable        => 1,
 349                                 );
 350                         }
 351                 }
 352         }
 353
 354
 355         # Create the create method
 356         unless ( __PACKAGE__->is_registered( $api_prefix.'.create' ) ) {
 357                 __PACKAGE__->register_method(
 358                         api_name        => $api_prefix.'.create',
 359                         method          => 'create_node',
 360                         api_level       => 1,
 361                         cdbi            => $cdbi,
 362                 );
 363         }
 364
 365         # Create the batch create method
 366         unless ( __PACKAGE__->is_registered( $api_prefix.'.batch.create' ) ) {
 367                 __PACKAGE__->register_method(
 368                         api_name        => $api_prefix.'.batch.create',
 369                         method          => 'batch_call',
 370                         api_level       => 1,
 371                         cdbi            => $cdbi,
 372                 );
 373         }
 374
 375         # Create the update method
 376         unless ( __PACKAGE__->is_registered( $api_prefix.'.update' ) ) {
 377                 __PACKAGE__->register_method(
 378                         api_name        => $api_prefix.'.update',
 379                         method          => 'update_node',
 380                         api_level       => 1,
 381                         cdbi            => $cdbi,
 382                 );
 383         }
 384
 385         # Create the batch update method
 386         unless ( __PACKAGE__->is_registered( $api_prefix.'.batch.update' ) ) {
 387                 __PACKAGE__->register_method(
 388                         api_name        => $api_prefix.'.batch.update',
 389                         method          => 'batch_call',
 390                         api_level       => 1,
 391                         cdbi            => $cdbi,
 392                 );
 393         }
 394
 395         # Create the delete method
 396         unless ( __PACKAGE__->is_registered( $api_prefix.'.delete' ) ) {
 397                 __PACKAGE__->register_method(
 398                         api_name        => $api_prefix.'.delete',
 399                         method          => 'delete_node',
 400                         api_level       => 1,
 401                         cdbi            => $cdbi,
 402                 );
 403         }
 404
 405         # Create the batch delete method
 406         unless ( __PACKAGE__->is_registered( $api_prefix.'.batch.delete' ) ) {
 407                 __PACKAGE__->register_method(
 408                         api_name        => $api_prefix.'.batch.delete',
 409                         method          => 'batch_call',
 410                         api_level       => 1,
 411                         cdbi            => $cdbi,
 412                 );
 413         }
 414
 415         # Create the search-based mass delete method
 416         unless ( __PACKAGE__->is_registered( $api_prefix.'.mass_delete' ) ) {
 417                 __PACKAGE__->register_method(
 418                         api_name        => $api_prefix.'.mass_delete',
 419                         method          => 'mass_delete',
 420                         api_level       => 1,
 421                         cdbi            => $cdbi,
 422                 );
 423         }
 424
 425 }
 426
 427 1;