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;
   8 use OpenSRF::Utils::Logger qw/:level/;
   9 use OpenILS::Utils::Fieldmapper;
  10
  11 my $log = 'OpenSRF::Utils::Logger';
  12
  13
  14 sub register_method {
  15         my $class = shift;
  16         my %args = @_;
  17         my %dup_args = %args;
  18
  19         $class = ref($class) || $class;
  20
  21         $args{package} ||= $class;
  22         __PACKAGE__->SUPER::register_method( %args );
  23
  24         if (exists($dup_args{cachable}) and $dup_args{cachable}) {
  25                 (my $name = $dup_args{api_name}) =~ s/^open-ils\.storage/open-ils.storage.cachable/o;
  26                 if ($name ne $dup_args{api_name}) {
  27                         $dup_args{real_api_name} = $dup_args{api_name};
  28                         $dup_args{method} = 'cachable_wrapper';
  29                         $dup_args{api_name} = $name;
  30                         $dup_args{package} = __PACKAGE__;
  31                         __PACKAGE__->SUPER::register_method( %dup_args );
  32                 }
  33         }
  34 }
  35
  36 sub cachable_wrapper {
  37         my $self = shift;
  38         my $client = shift;
  39         my @args = @_;
  40
  41         my %cache_args = (
  42                 limit           => 100,
  43                 offset          => 0,
  44                 timeout         => 7200,
  45                 cache_page_size => 1000,
  46         );
  47
  48         my @real_args;
  49         my $key_string = $self->api_name;
  50         for (my $ind = 0; $ind < scalar(@args); $ind++) {
  51                 if (    $args[$ind] eq 'limit' ||
  52                         $args[$ind] eq 'offset' ||
  53                         $args[$ind] eq 'cache_page_size' ||
  54                         $args[$ind] eq 'timeout' ) {
  55
  56                         my $key_ind = $ind;
  57                         $ind++;
  58                         my $value_ind = $ind;
  59                         $cache_args{$args[$key_ind]} = $args[$value_ind];
  60                         $log->debug("Cache limiter value for $args[$key_ind] is $args[$value_ind]", INTERNAL);
  61                         next;
  62                 }
  63                 $key_string .= $args[$ind];
  64                 $log->debug("Partial cache key value is $args[$ind]", INTERNAL);
  65                 push @real_args, $args[$ind];
  66         }
  67
  68         my $cache_page = int($cache_args{offset} / $cache_args{cache_page_size});
  69         my $cache_key;
  70         {       use bytes;
  71                 $cache_key = md5_hex($key_string.$cache_page);
  72         }
  73
  74         $log->debug("Key string for cache lookup is $key_string -> $cache_key", DEBUG);
  75         $log->debug("Cache page is $cache_page", DEBUG);
  76
  77         my $cached_res = OpenSRF::Utils::Cache->new->get_cache( $cache_key );
  78         if (defined $cached_res) {
  79                 $log->debug("Found ".scalar(@$cached_res)." records in the cache", INFO);
  80                 $log->debug("Values from cache: ".join(', ', @$cached_res), INTERNAL);
  81                 my $start = int($cache_args{offset} - ($cache_page * $cache_args{cache_page_size}));
  82                 my $end = int($start + $cache_args{limit} - 1);
  83                 $log->debug("Responding with values from ".$start.' to '.$end,DEBUG);
  84                 $client->respond( $_ ) for ( grep { defined } @$cached_res[ $start .. $end ]);
  85                 return undef;
  86         }
  87
  88         my $method = $self->method_lookup($self->{real_api_name});
  89         my @res = $method->run(@real_args);
  90
  91
  92         $client->respond( $_ ) for ( grep { defined } @res[$cache_args{offset} .. int($cache_args{offset} + $cache_args{limit} - 1)] );
  93
  94         $log->debug("Saving values from ".int($cache_page * $cache_args{cache_page_size})." to ".
  95                 int(($cache_page + 1) * $cache_args{cache_page_size}). "to the cache", INTERNAL);
  96         try {
  97                 OpenSRF::Utils::Cache->new->put_cache(
  98                         $cache_key =>
  99                         [@res[int($cache_page * $cache_args{cache_page_size}) .. int(($cache_page + 1) * $cache_args{cache_page_size}) ]] =>
 100                         OpenSRF::Utils->interval_to_seconds( $cache_args{timeout} )
 101                 );
 102         } catch Error with {
 103                 my $e = shift;
 104                 $log->error("Cache seems to be down, $e");
 105         };
 106
 107         return undef;
 108 }
 109
 110 sub retrieve_node {
 111         my $self = shift;
 112         my $client = shift;
 113         my @ids = @_;
 114
 115         my $cdbi = $self->{cdbi};
 116
 117         for my $id ( @ids ) {
 118                 next unless ($id);
 119
 120                 my ($rec) = $cdbi->fast_fieldmapper($id);
 121                 if ($self->api_name !~ /batch/o) {
 122                         return $rec if ($rec);
 123                 }
 124                 $client->respond($rec);
 125         }
 126         return undef;
 127 }
 128
 129 sub search_where {
 130         my $self = shift;
 131         my $client = shift;
 132         my @args = @_;
 133
 134         my $cdbi = $self->{cdbi};
 135
 136         for my $obj ($cdbi->search_where(@args)) {
 137                 next unless ref($obj);
 138                 $client->respond( $obj->to_fieldmapper );
 139         }
 140         return undef;
 141 }
 142
 143 sub search {
 144         my $self = shift;
 145         my $client = shift;
 146         my @args = @_;
 147
 148         my $cdbi = $self->{cdbi};
 149
 150         (my $search_type = $self->api_name) =~ s/.*\.(search[^.]*).*/$1/o;
 151
 152         for my $obj ($cdbi->$search_type(@args)) {
 153                 next unless ref($obj);
 154                 $client->respond( $obj->to_fieldmapper );
 155         }
 156         return undef;
 157 }
 158
 159 sub search_one_field {
 160         my $self = shift;
 161         my $client = shift;
 162         my @args = @_;
 163
 164         (my $field = $self->api_name) =~ s/.*\.([^\.]+)$/$1/o;
 165
 166         return search( $self, $client, $field, @args );
 167 }
 168
 169 sub old_search_one_field {
 170         my $self = shift;
 171         my $client = shift;
 172         my @terms = @_;
 173
 174         (my $search_type = $self->api_name) =~ s/.*\.(search[^.]*).*/$1/o;
 175         (my $col = $self->api_name) =~ s/.*\.$search_type\.([^.]+).*/$1/;
 176         my $cdbi = $self->{cdbi};
 177
 178         my $like = 0;
 179         $like = 1 if ($search_type =~ /like$/o);
 180         $like = 2 if ($search_type =~ /fts$/o);
 181         $like = 3 if ($search_type =~ /regex$/o);
 182
 183         for my $term (@terms) {
 184                 $log->debug("Searching $cdbi for $col using type $search_type, value '$term'",DEBUG);
 185                 if (@terms == 1) {
 186                         return [ $cdbi->fast_fieldmapper($term,$col,$like) ];
 187                 }
 188                 $client->respond( [ $cdbi->fast_fieldmapper($term,$col,$like) ] );
 189         }
 190         return undef;
 191 }
 192
 193
 194 sub create_node {
 195         my $self = shift;
 196         my $client = shift;
 197         my $node = shift;
 198
 199         my $cdbi = $self->{cdbi};
 200
 201         my $success;
 202         try {
 203                 my $rec = $cdbi->create($node);
 204                 $success = $rec->id if ($rec);
 205         } catch Error with {
 206                 $success = 0;
 207         };
 208
 209         return $success;
 210 }
 211
 212 sub update_node {
 213         my $self = shift;
 214         my $client = shift;
 215         my $node = shift;
 216
 217         my $cdbi = $self->{cdbi};
 218
 219         return $cdbi->update($node);
 220 }
 221
 222 sub mass_delete {
 223         my $self = shift;
 224         my $client = shift;
 225         my $search = shift;
 226
 227         my $where = 'WHERE ';
 228
 229         my $cdbi = $self->{cdbi};
 230         my $table = $cdbi->table;
 231
 232         my @keys = sort keys %$search;
 233
 234         my @binds;
 235         my @wheres;
 236         for my $col ( @keys ) {
 237                 if (ref($$search{$col}) and ref($$search{$col}) =~ /ARRAY/o) {
 238                         push @wheres, "$col IN (" . join(',', map { '?' } @{ $$search{$col} }) . ')';
 239                         push @binds, map { "$_" } @{ $$search{$col} };
 240                 } else {
 241                         push @wheres, "$col = ?";
 242                         push @binds, $$search{$col};
 243                 }
 244         }
 245         $where .= join ' AND ', @wheres;
 246
 247         my $delete = "DELETE FROM $table $where";
 248
 249         $log->debug("Performing MASS deletion : $delete",DEBUG);
 250
 251         my $dbh = $cdbi->db_Main;
 252         my $success = 1;
 253         try {
 254                 my $sth = $dbh->prepare($delete);
 255                 $sth->execute( @binds );
 256                 $sth->finish;
 257                 $log->debug("MASS Delete succeeded",DEBUG);
 258         } catch Error with {
 259                 $log->debug("MASS Delete FAILED : ".shift(),DEBUG);
 260                 $success = 0;
 261         };
 262         return $success;
 263 }
 264
 265 sub delete_node {
 266         my $self = shift;
 267         my $client = shift;
 268         my $node = shift;
 269
 270         my $cdbi = $self->{cdbi};
 271
 272         my $success = 1;
 273         try {
 274                 $success = $cdbi->delete($node);
 275         } catch Error with {
 276                 $success = 0;
 277         };
 278         return $success;
 279 }
 280
 281 sub batch_call {
 282         my $self = shift;
 283         my $client = shift;
 284         my @nodes = @_;
 285
 286         my $cdbi = $self->{cdbi};
 287         my $api_name = $self->api_name;
 288         (my $single_call_api_name = $api_name) =~ s/batch\.//o;
 289
 290         $log->debug("Default $api_name looking up $single_call_api_name...",INTERNAL);
 291         my $method = $self->method_lookup($single_call_api_name);
 292
 293         my @success;
 294         while ( my $node = shift(@nodes) ) {
 295                 my ($res) = $method->run( $node );
 296                 push(@success, 1) if ($res >= 0);
 297         }
 298
 299         my $insert_total = 0;
 300         $insert_total += $_ for (@success);
 301
 302         return $insert_total;
 303 }
 304
 305 eval '
 306 use OpenILS::Application::Storage::Publisher::actor;
 307 use OpenILS::Application::Storage::Publisher::action;
 308 use OpenILS::Application::Storage::Publisher::asset;
 309 use OpenILS::Application::Storage::Publisher::biblio;
 310 use OpenILS::Application::Storage::Publisher::config;
 311 use OpenILS::Application::Storage::Publisher::metabib;
 312 use OpenILS::Application::Storage::Publisher::money;
 313 use OpenILS::Application::Storage::Publisher::permission;
 314 ';
 315
 316 if ($@) {
 317         $log->debug("ARG! Couldn't load (at least one) class Publisher: $@", ERROR);
 318         throw OpenSRF::EX::ERROR ("ARG! Couldn't load (at least one) class Publisher: $@");
 319 }
 320
 321
 322 for my $fmclass ( (Fieldmapper->classes) ) {
 323
 324         next if ($fmclass->is_virtual);
 325
 326         $log->debug("Generating methods for Fieldmapper class $fmclass", DEBUG);
 327
 328         (my $cdbi = $fmclass) =~ s/^Fieldmapper:://o;
 329         (my $class = $cdbi) =~ s/::.*//o;
 330         (my $api_class = $cdbi) =~ s/::/./go;
 331         my $registration_class = __PACKAGE__ . "::$class";
 332         my $api_prefix = 'open-ils.storage.direct.'.$api_class;
 333
 334         # Create the search methods
 335         unless ( __PACKAGE__->is_registered( $api_prefix.'.search' ) ) {
 336                 __PACKAGE__->register_method(
 337                         api_name        => $api_prefix.'.search',
 338                         method          => 'search',
 339                         api_level       => 1,
 340                         stream          => 1,
 341                         cdbi            => $cdbi,
 342                         cachable        => 1,
 343                 );
 344         }
 345
 346         unless ( __PACKAGE__->is_registered( $api_prefix.'.search_where' ) ) {
 347                 __PACKAGE__->register_method(
 348                         api_name        => $api_prefix.'.search_where',
 349                         method          => 'search_where',
 350                         api_level       => 1,
 351                         stream          => 1,
 352                         cdbi            => $cdbi,
 353                         cachable        => 1,
 354                 );
 355         }
 356
 357         unless ( __PACKAGE__->is_registered( $api_prefix.'.search_like' ) ) {
 358                 __PACKAGE__->register_method(
 359                         api_name        => $api_prefix.'.search_like',
 360                         method          => 'search',
 361                         api_level       => 1,
 362                         stream          => 1,
 363                         cdbi            => $cdbi,
 364                         cachable        => 1,
 365                 );
 366         }
 367
 368         if (\&Class::DBI::search_fts) {
 369                 unless ( __PACKAGE__->is_registered( $api_prefix.'.search_fts' ) ) {
 370                         __PACKAGE__->register_method(
 371                                 api_name        => $api_prefix.'.search_fts',
 372                                 method          => 'search',
 373                                 api_level       => 1,
 374                                 stream          => 1,
 375                                 cdbi            => $cdbi,
 376                                 cachable        => 1,
 377                         );
 378                 }
 379         }
 380
 381         if (\&Class::DBI::search_regex) {
 382                 unless ( __PACKAGE__->is_registered( $api_prefix.'.search_regex' ) ) {
 383                         __PACKAGE__->register_method(
 384                                 api_name        => $api_prefix.'.search_regex',
 385                                 method          => 'search',
 386                                 api_level       => 1,
 387                                 stream          => 1,
 388                                 cdbi            => $cdbi,
 389                                 cachable        => 1,
 390                         );
 391                 }
 392         }
 393
 394         if (\&Class::DBI::search_ilike) {
 395                 unless ( __PACKAGE__->is_registered( $api_prefix.'.search_ilike' ) ) {
 396                         __PACKAGE__->register_method(
 397                                 api_name        => $api_prefix.'.search_ilike',
 398                                 method          => 'search',
 399                                 api_level       => 1,
 400                                 stream          => 1,
 401                                 cdbi            => $cdbi,
 402                                 cachable        => 1,
 403                         );
 404                 }
 405         }
 406
 407         # Create the retrieve method
 408         unless ( __PACKAGE__->is_registered( $api_prefix.'.retrieve' ) ) {
 409                 __PACKAGE__->register_method(
 410                         api_name        => $api_prefix.'.retrieve',
 411                         method          => 'retrieve_node',
 412                         api_level       => 1,
 413                         cdbi            => $cdbi,
 414                         cachable        => 1,
 415                 );
 416         }
 417
 418         # Create the batch retrieve method
 419         unless ( __PACKAGE__->is_registered( $api_prefix.'.batch.retrieve' ) ) {
 420                 __PACKAGE__->register_method(
 421                         api_name        => $api_prefix.'.batch.retrieve',
 422                         method          => 'retrieve_node',
 423                         api_level       => 1,
 424                         stream          => 1,
 425                         cdbi            => $cdbi,
 426                         cachable        => 1,
 427                 );
 428         }
 429
 430         for my $field ($fmclass->real_fields) {
 431                 unless ( __PACKAGE__->is_registered( $api_prefix.'.search.'.$field ) ) {
 432                         __PACKAGE__->register_method(
 433                                 api_name        => $api_prefix.'.search.'.$field,
 434                                 method          => 'search_one_field',
 435                                 api_level       => 1,
 436                                 cdbi            => $cdbi,
 437                                 cachable        => 1,
 438                                 stream          => 1,
 439                         );
 440                 }
 441                 unless ( __PACKAGE__->is_registered( $api_prefix.'.search_like.'.$field ) ) {
 442                         __PACKAGE__->register_method(
 443                                 api_name        => $api_prefix.'.search_like.'.$field,
 444                                 method          => 'search_one_field',
 445                                 api_level       => 1,
 446                                 cdbi            => $cdbi,
 447                                 cachable        => 1,
 448                                 stream          => 1,
 449                         );
 450                 }
 451                 if (\&Class::DBI::search_fts) {
 452                         unless ( __PACKAGE__->is_registered( $api_prefix.'.search_fts.'.$field ) ) {
 453                                 __PACKAGE__->register_method(
 454                                         api_name        => $api_prefix.'.search_fts.'.$field,
 455                                         method          => 'search_one_field',
 456                                         api_level       => 1,
 457                                         cdbi            => $cdbi,
 458                                         cachable        => 1,
 459                                         stream          => 1,
 460                                 );
 461                         }
 462                 }
 463                 if (\&Class::DBI::search_regex) {
 464                         unless ( __PACKAGE__->is_registered( $api_prefix.'.search_regex.'.$field ) ) {
 465                                 __PACKAGE__->register_method(
 466                                         api_name        => $api_prefix.'.search_regex.'.$field,
 467                                         method          => 'search_one_field',
 468                                         api_level       => 1,
 469                                         cdbi            => $cdbi,
 470                                         cachable        => 1,
 471                                         stream          => 1,
 472                                 );
 473                         }
 474                 }
 475                 if (\&Class::DBI::search_ilike) {
 476                         unless ( __PACKAGE__->is_registered( $api_prefix.'.search_ilike.'.$field ) ) {
 477                                 __PACKAGE__->register_method(
 478                                         api_name        => $api_prefix.'.search_ilike.'.$field,
 479                                         method          => 'search_one_field',
 480                                         api_level       => 1,
 481                                         cdbi            => $cdbi,
 482                                         cachable        => 1,
 483                                         stream          => 1,
 484                                 );
 485                         }
 486                 }
 487         }
 488
 489
 490         unless ($fmclass->is_readonly) {
 491                 # Create the create method
 492                 unless ( __PACKAGE__->is_registered( $api_prefix.'.create' ) ) {
 493                         __PACKAGE__->register_method(
 494                                 api_name        => $api_prefix.'.create',
 495                                 method          => 'create_node',
 496                                 api_level       => 1,
 497                                 cdbi            => $cdbi,
 498                         );
 499                 }
 500
 501                 # Create the batch create method
 502                 unless ( __PACKAGE__->is_registered( $api_prefix.'.batch.create' ) ) {
 503                         __PACKAGE__->register_method(
 504                                 api_name        => $api_prefix.'.batch.create',
 505                                 method          => 'batch_call',
 506                                 api_level       => 1,
 507                                 cdbi            => $cdbi,
 508                         );
 509                 }
 510
 511                 # Create the update method
 512                 unless ( __PACKAGE__->is_registered( $api_prefix.'.update' ) ) {
 513                         __PACKAGE__->register_method(
 514                                 api_name        => $api_prefix.'.update',
 515                                 method          => 'update_node',
 516                                 api_level       => 1,
 517                                 cdbi            => $cdbi,
 518                         );
 519                 }
 520
 521                 # Create the batch update method
 522                 unless ( __PACKAGE__->is_registered( $api_prefix.'.batch.update' ) ) {
 523                         __PACKAGE__->register_method(
 524                                 api_name        => $api_prefix.'.batch.update',
 525                                 method          => 'batch_call',
 526                                 api_level       => 1,
 527                                 cdbi            => $cdbi,
 528                         );
 529                 }
 530
 531                 # Create the delete method
 532                 unless ( __PACKAGE__->is_registered( $api_prefix.'.delete' ) ) {
 533                         __PACKAGE__->register_method(
 534                                 api_name        => $api_prefix.'.delete',
 535                                 method          => 'delete_node',
 536                                 api_level       => 1,
 537                                 cdbi            => $cdbi,
 538                         );
 539                 }
 540
 541                 # Create the batch delete method
 542                 unless ( __PACKAGE__->is_registered( $api_prefix.'.batch.delete' ) ) {
 543                         __PACKAGE__->register_method(
 544                                 api_name        => $api_prefix.'.batch.delete',
 545                                 method          => 'batch_call',
 546                                 api_level       => 1,
 547                                 cdbi            => $cdbi,
 548                         );
 549                 }
 550
 551                 # Create the search-based mass delete method
 552                 unless ( __PACKAGE__->is_registered( $api_prefix.'.mass_delete' ) ) {
 553                         __PACKAGE__->register_method(
 554                                 api_name        => $api_prefix.'.mass_delete',
 555                                 method          => 'mass_delete',
 556                                 api_level       => 1,
 557                                 cdbi            => $cdbi,
 558                         );
 559                 }
 560         }
 561 }
 562
 563 1;