1 use strict; use warnings;
2 package OpenILS::Utils::CStoreEditor;
3 use OpenILS::Application::AppUtils;
4 use OpenSRF::AppSession;
5 use OpenSRF::EX qw(:try);
6 use OpenILS::Utils::Fieldmapper;
9 use OpenSRF::Utils::JSON;
10 use OpenSRF::Utils::Logger qw($logger);
11 my $U = "OpenILS::Application::AppUtils";
20 # 'biblio.record_entry' => { update => 'UPDATE_MARC' },
21 # 'asset.copy' => { update => 'UPDATE_COPY'},
22 # 'asset.call_number' => { update => 'UPDATE_VOLUME'},
23 # 'action.circulation' => { retrieve => 'VIEW_CIRCULATIONS'},
26 sub flush_forced_xacts {
27 for my $k ( keys %xact_ed_cache ) {
29 $xact_ed_cache{$k}->rollback;
33 delete $xact_ed_cache{$k};
37 # -----------------------------------------------------------------------------
38 # Export some useful functions
39 # -----------------------------------------------------------------------------
40 use vars qw(@EXPORT_OK %EXPORT_TAGS);
42 use base qw/Exporter/;
43 push @EXPORT_OK, ( 'new_editor', 'new_rstore_editor' );
44 %EXPORT_TAGS = ( funcs => [ qw/ new_editor new_rstore_editor / ] );
46 sub new_editor { return OpenILS::Utils::CStoreEditor->new(@_); }
48 sub new_rstore_editor {
49 my $e = OpenILS::Utils::CStoreEditor->new(@_);
50 $e->app('open-ils.reporter-store');
55 # -----------------------------------------------------------------------------
57 # -----------------------------------------------------------------------------
58 use constant E => 'error';
59 use constant W => 'warn';
60 use constant I => 'info';
61 use constant D => 'debug';
62 use constant A => 'activity';
66 # -----------------------------------------------------------------------------
68 # xact=><true> : creates a storage transaction
69 # authtoken=>$token : the login session key
70 # -----------------------------------------------------------------------------
72 my( $class, %params ) = @_;
73 $class = ref($class) || $class;
74 my $self = bless( \%params, $class );
75 $self->{checked_perms} = {};
86 my( $self, $app ) = @_;
87 $self->{app} = $app if $app;
88 $self->{app} = 'open-ils.cstore' unless $self->{app};
93 # -----------------------------------------------------------------------------
94 # Log the editor metadata along with the log string
95 # -----------------------------------------------------------------------------
97 my( $self, $lev, $str ) = @_;
101 } elsif ($self->{xact}) {
106 $s .= "0" unless $self->requestor;
107 $s .= $self->requestor->id if $self->requestor;
109 $logger->$lev("$s $str");
112 # -----------------------------------------------------------------------------
113 # Verifies the auth token and fetches the requestor object
114 # -----------------------------------------------------------------------------
117 $self->log(D, "checking auth token ".$self->authtoken);
119 my $content = $U->simplereq(
121 'open-ils.auth.session.retrieve', $self->authtoken, 1);
123 if(!$content or $U->event_code($content)) {
124 $self->event( ($content) ? $content : OpenILS::Event->new('NO_SESSION'));
128 $self->{authtime} = $content->{authtime};
129 return $self->{requestor} = $content->{userobj};
136 $cache = OpenSRF::Utils::Cache->new('global') unless $cache;
137 $self->log(D, "checking cached auth token ".$self->authtoken);
138 my $user = $cache->get_cache("oils_auth_".$self->authtoken);
139 return $self->{requestor} = $user->{userobj} if $user;
140 $self->event(OpenILS::Event->new('NO_SESSION'));
147 # -----------------------------------------------------------------------------
148 # Returns the last generated event
149 # -----------------------------------------------------------------------------
151 my( $self, $evt ) = @_;
152 $self->{event} = $evt if $evt;
153 return $self->{event};
156 # -----------------------------------------------------------------------------
157 # Destroys the transaction and disconnects where necessary,
158 # then returns the last event that occurred
159 # -----------------------------------------------------------------------------
170 # -----------------------------------------------------------------------------
171 # Clears the last caught event
172 # -----------------------------------------------------------------------------
175 $self->{event} = undef;
179 my($self, $died) = @_;
180 $self->{died} = $died if defined $died;
181 return $self->{died};
185 my( $self, $auth ) = @_;
186 $self->{authtoken} = $auth if $auth;
187 return $self->{authtoken};
191 my( $self, $auth ) = @_;
192 $self->{authtime} = $auth if $auth;
193 return $self->{authtime};
198 $self->{timeout} = $to if defined $to;
199 return defined($self->{timeout}) ? $self->{timeout} : 60;
202 # -----------------------------------------------------------------------------
203 # fetches the session, creating if necessary. If 'xact' is true on this
204 # object, a db session is created
205 # -----------------------------------------------------------------------------
207 my( $self, $session ) = @_;
208 $self->{session} = $session if $session;
210 if(!$self->{session}) {
211 $self->{session} = OpenSRF::AppSession->create($self->app);
213 if( ! $self->{session} ) {
214 my $str = "Error creating cstore session with OpenSRF::AppSession->create()!";
216 throw OpenSRF::EX::ERROR ($str);
219 $self->{session}->connect if $self->{xact} or $self->{connect} or $always_xact;
220 $self->xact_begin if $self->{xact} or $always_xact;
223 $xact_ed_cache{$self->{xact_id}} = $self if $always_xact and $self->{xact_id};
224 return $self->{session};
228 # -----------------------------------------------------------------------------
229 # Starts a storage transaction
230 # -----------------------------------------------------------------------------
233 return $self->{xact_id} if $self->{xact_id};
234 $self->session->connect unless $self->session->state == OpenSRF::AppSession::CONNECTED();
235 $self->log(D, "starting new database transaction");
236 unless($self->{xact_id}) {
237 my $stat = $self->request($self->app . '.transaction.begin');
238 $self->log(E, "error starting database transaction") unless $stat;
239 $self->{xact_id} = $stat;
240 if($self->authtoken) {
241 if(!$self->requestor) {
246 if($self->requestor) {
247 $user_id = $self->requestor->id;
248 $ws_id = $self->requestor->wsid;
250 $self->request($self->app . '.set_audit_info', $self->authtoken, $user_id, $ws_id);
254 return $self->{xact_id};
257 # -----------------------------------------------------------------------------
258 # Commits a storage transaction
259 # -----------------------------------------------------------------------------
262 return unless $self->{xact_id};
263 $self->log(D, "comitting db session");
264 my $stat = $self->request($self->app.'.transaction.commit');
265 $self->log(E, "error comitting database transaction") unless $stat;
266 delete $self->{xact_id};
267 delete $self->{xact};
271 # -----------------------------------------------------------------------------
272 # Rolls back a storage stransaction
273 # -----------------------------------------------------------------------------
276 return unless $self->{session} and $self->{xact_id};
277 $self->log(I, "rolling back db session");
278 my $stat = $self->request($self->app.".transaction.rollback");
279 $self->log(E, "error rolling back database transaction") unless $stat;
280 delete $self->{xact_id};
281 delete $self->{xact};
286 # -----------------------------------------------------------------------------
287 # Savepoint functions. If no savepoint name is provided, the same name is used
288 # for each successive savepoint, in which case only the last savepoint set can
289 # be released or rolled back.
290 # -----------------------------------------------------------------------------
293 my $name = shift || 'savepoint';
294 return unless $self->{session} and $self->{xact_id};
295 $self->log(I, "setting savepoint '$name'");
296 my $stat = $self->request($self->app.".savepoint.set", $name)
297 or $self->log(E, "error setting savepoint '$name'");
301 sub release_savepoint {
303 my $name = shift || 'savepoint';
304 return unless $self->{session} and $self->{xact_id};
305 $self->log(I, "releasing savepoint '$name'");
306 my $stat = $self->request($self->app.".savepoint.release", $name)
307 or $self->log(E, "error releasing savepoint '$name'");
311 sub rollback_savepoint {
313 my $name = shift || 'savepoint';
314 return unless $self->{session} and $self->{xact_id};
315 $self->log(I, "rollback savepoint '$name'");
316 my $stat = $self->request($self->app.".savepoint.rollback", $name)
317 or $self->log(E, "error rolling back savepoint '$name'");
322 # -----------------------------------------------------------------------------
323 # Rolls back the transaction and disconnects
324 # -----------------------------------------------------------------------------
330 $self->xact_rollback;
334 $ret = $self->disconnect
336 throw $err if ($err);
342 $self->session->disconnect if
344 $self->{session}->state == OpenSRF::AppSession::CONNECTED();
345 delete $self->{session};
349 # -----------------------------------------------------------------------------
350 # commits the db session and destroys the session
351 # returns the status of the commit call
352 # -----------------------------------------------------------------------------
355 return unless $self->{xact_id};
356 my $stat = $self->xact_commit;
361 # -----------------------------------------------------------------------------
362 # clears all object data. Does not commit the db transaction.
363 # -----------------------------------------------------------------------------
367 $$self{$_} = undef for (keys %$self);
371 # -----------------------------------------------------------------------------
373 # -----------------------------------------------------------------------------
385 throw $err if ($err);
391 # -----------------------------------------------------------------------------
392 # Does a simple storage request
393 # -----------------------------------------------------------------------------
395 my( $self, $method, @params ) = @_;
399 my $argstr = __arg_to_string( (scalar(@params)) == 1 ? $params[0] : \@params);
400 my $locale = $self->session->session_locale;
402 $self->log(I, "request $locale $method $argstr");
404 if( ($self->{xact} or $always_xact) and
405 $self->session->state != OpenSRF::AppSession::CONNECTED() ) {
406 #$logger->error("CStoreEditor lost it's connection!!");
407 throw OpenSRF::EX::ERROR ("CStore connection timed out - transaction cannot continue");
413 my $req = $self->session->request($method, @params);
415 if($self->substream) {
416 $self->log(D,"running in substream mode");
418 while( my $resp = $req->recv(timeout => $self->timeout) ) {
419 push(@$val, $resp->content) if $resp->content and not $self->discard;
423 my $resp = $req->recv(timeout => $self->timeout);
426 $self->log(E, "request error $method : $argstr : $err");
428 $val = $resp->content if $resp;
436 $self->log(E, "request error $method : $argstr : $err");
444 my( $self, $bool ) = @_;
445 $self->{substream} = $bool if defined $bool;
446 return $self->{substream};
449 # -----------------------------------------------------------------------------
450 # discard response data instead of returning it to the caller. currently only
451 # works in conjunction with substream mode.
452 # -----------------------------------------------------------------------------
454 my( $self, $bool ) = @_;
455 $self->{discard} = $bool if defined $bool;
456 return $self->{discard};
460 # -----------------------------------------------------------------------------
461 # Sets / Returns the requestor object. This is set when checkauth succeeds.
462 # -----------------------------------------------------------------------------
464 my($self, $requestor) = @_;
465 $self->{requestor} = $requestor if $requestor;
466 return $self->{requestor};
471 # -----------------------------------------------------------------------------
472 # Holds the last data received from a storage call
473 # -----------------------------------------------------------------------------
475 my( $self, $data ) = @_;
476 $self->{data} = $data if defined $data;
477 return $self->{data};
481 # -----------------------------------------------------------------------------
482 # True if this perm has already been checked at this org
483 # -----------------------------------------------------------------------------
485 my( $self, $perm, $org ) = @_;
486 $self->{checked_perms}->{$org} = {}
487 unless $self->{checked_perms}->{$org};
488 my $checked = $self->{checked_perms}->{$org}->{$perm};
490 $self->{checked_perms}->{$org}->{$perm} = 1;
498 # -----------------------------------------------------------------------------
499 # Returns true if the requested perm is allowed. If the perm check fails,
500 # $e->event is set and undef is returned
501 # The perm user is $e->requestor->id and perm org defaults to the requestor's
503 # if perm is an array of perms, method will return true at the first allowed
504 # permission. If none of the perms are allowed, the perm_failure event
505 # is created with the last perm to fail
506 # -----------------------------------------------------------------------------
510 transform => 'permission.usr_has_perm',
520 my $OBJECT_PERM_QUERY = {
523 transform => 'permission.usr_has_object_perm',
534 my( $self, $perm, $org, $object, $hint ) = @_;
535 my $uid = $self->requestor->id;
536 $org ||= $self->requestor->ws_ou;
538 my $perms = (ref($perm) eq 'ARRAY') ? $perm : [$perm];
540 for $perm (@$perms) {
541 $self->log(I, "checking perms user=$uid, org=$org, perm=$perm");
546 # determine the ID field and json_hint from the object
547 my $id_field = $object->Identity;
548 $params = [$perm, $object->json_hint, $object->$id_field];
550 # we were passed an object-id and json_hint
551 $params = [$perm, $hint, $object];
553 push(@$params, $org) if $org;
554 $OBJECT_PERM_QUERY->{select}->{au}->[0]->{params} = $params;
555 $OBJECT_PERM_QUERY->{where}->{id} = $uid;
556 return 1 if $U->is_true($self->json_query($OBJECT_PERM_QUERY)->[0]->{has_perm});
559 $PERM_QUERY->{select}->{au}->[0]->{params} = [$perm, $org];
560 $PERM_QUERY->{where}->{id} = $uid;
561 return 1 if $U->is_true($self->json_query($PERM_QUERY)->[0]->{has_perm});
565 # set the perm failure event if the permission check returned false
566 my $e = OpenILS::Event->new('PERM_FAILURE', ilsperm => $perm, ilspermloc => $org);
572 # -----------------------------------------------------------------------------
573 # Returns the list of object IDs this user has object-specific permissions for
574 # -----------------------------------------------------------------------------
575 sub objects_allowed {
576 my($self, $perm, $obj_type) = @_;
578 my $perms = (ref($perm) eq 'ARRAY') ? $perm : [$perm];
581 for $perm (@$perms) {
583 select => {puopm => ['object_id']},
586 ppl => {field => 'id',fkey => 'perm'}
590 '+puopm' => {usr => $self->requestor->id, object_type => $obj_type},
591 '+ppl' => {code => $perm}
595 my $list = $self->json_query($query);
596 push(@ids, 0+$_->{object_id}) for @$list;
600 $trim{$_} = 1 for @ids;
601 return [ keys %trim ];
605 # -----------------------------------------------------------------------------
606 # checks the appropriate perm for the operation
607 # -----------------------------------------------------------------------------
609 my( $self, $ptype, $action, $org ) = @_;
610 $org ||= $self->requestor->ws_ou;
611 my $perm = $PERMS{$ptype}{$action};
613 return undef if $self->perm_checked($perm, $org);
614 return $self->event unless $self->allowed($perm, $org);
616 $self->log(I, "no perm provided for $ptype.$action");
623 # -----------------------------------------------------------------------------
624 # Logs update actions to the activity log
625 # -----------------------------------------------------------------------------
627 my( $self, $type, $action, $arg ) = @_;
628 my $str = "$type.$action";
629 $str .= _prop_string($arg);
637 my @props = $obj->properties;
640 my $prop = $obj->$_() || "";
641 $prop = substr($prop, 0, 128) . "..." if length $prop > 131;
648 sub __arg_to_string {
650 return "" unless defined $arg;
651 if( UNIVERSAL::isa($arg, "Fieldmapper") ) {
652 my $idf = $arg->Identity;
653 return (defined $arg->$idf) ? $arg->$idf : '<new object>';
655 return OpenSRF::Utils::JSON->perl2JSON($arg);
660 # -----------------------------------------------------------------------------
661 # This does the actual storage query.
663 # 'search' calls become search_where calls and $arg can be a search hash or
664 # an array-ref of storage search options.
666 # 'retrieve' expects an id
667 # 'update' expects an object
668 # 'create' expects an object
669 # 'delete' expects an object
671 # All methods return true on success and undef on failure. On failure,
672 # $e->event is set to the generated event.
673 # Note: this method assumes that updating a non-changed object and
674 # thereby receiving a 0 from storage, is a successful update.
676 # The method will therefore return true so the caller can just do
677 # $e->update_blah($x) or return $e->event;
678 # The true value returned from storage for all methods will be stored in
679 # $e->data, until the next method is called.
681 # not-found events are generated on retrieve and serach methods.
682 # action=search methods will return [] (==true) if no data is found. If the
683 # caller is interested in the not found event, they can do:
684 # return $e->event unless @$results;
685 # -----------------------------------------------------------------------------
687 my( $self, $action, $type, $arg, $options ) = @_;
691 if( $action eq 'retrieve' ) {
692 if(! defined($arg) ) {
693 $self->log(W,"$action $type called with no ID...");
694 $self->event(_mk_not_found($type, $arg));
696 } elsif( ref($arg) =~ /Fieldmapper/ ) {
697 $self->log(D,"$action $type called with an object.. attempting Identity retrieval..");
698 my $idf = $arg->Identity;
703 my @arg = ( ref($arg) eq 'ARRAY' ) ? @$arg : ($arg);
704 my $method = $self->app.".direct.$type.$action";
706 if( $action eq 'search' ) {
707 $method .= '.atomic';
709 } elsif( $action eq 'batch_retrieve' ) {
711 $method =~ s/batch_retrieve/search/o;
712 $method .= '.atomic';
715 my $fmobj = "Fieldmapper::$tt";
716 my $ident_field = $fmobj->Identity;
718 if (ref $arg[0] eq 'ARRAY') {
719 # $arg looks like: ([1, 2, 3], {search_args})
720 @arg = ( { $ident_field => $arg[0] }, @arg[1 .. $#arg] );
722 # $arg looks like: [1, 2, 3]
723 @arg = ( { $ident_field => $arg } );
726 } elsif( $action eq 'retrieve_all' ) {
728 $method =~ s/retrieve_all/search/o;
731 my $fmobj = "Fieldmapper::$tt";
732 @arg = ( { $fmobj->Identity => { '!=' => undef } } );
733 $method .= '.atomic';
736 $method =~ s/search/id_list/o if $options->{idlist};
738 $method =~ s/\.atomic$//o if $self->substream($$options{substream} || 0);
739 $self->timeout($$options{timeout});
740 $self->discard($$options{discard});
742 # remove any stale events
745 if( $action eq 'update' or $action eq 'delete' or $action eq 'create' ) {
746 if(!($self->{xact} or $always_xact)) {
747 $logger->error("Attempt to update DB while not in a transaction : $method");
748 throw OpenSRF::EX::ERROR ("Attempt to update DB while not in a transaction : $method");
750 $self->log_activity($type, $action, $arg);
753 if($$options{checkperm}) {
754 my $a = ($action eq 'search') ? 'retrieve' : $action;
755 my $e = $self->_checkperm($type, $a, $$options{permorg});
766 $obj = $self->request($method, @arg);
767 } catch Error with { $err = shift; };
771 $self->log(I, "request returned no data : $method");
773 if( $action eq 'retrieve' ) {
774 $self->event(_mk_not_found($type, $arg));
776 } elsif( $action eq 'update' or
777 $action eq 'delete' or $action eq 'create' ) {
778 my $evt = OpenILS::Event->new(
779 'DATABASE_UPDATE_FAILED', payload => $arg, debug => "$err" );
785 OpenILS::Event->new( 'DATABASE_QUERY_FAILED',
786 payload => $arg, debug => "$err" ));
793 if( $action eq 'create' and $obj == 0 ) {
794 my $evt = OpenILS::Event->new(
795 'DATABASE_UPDATE_FAILED', payload => $arg, debug => "$err" );
800 # If we havn't dealt with the error in a nice way, go ahead and throw it
803 OpenILS::Event->new( 'DATABASE_QUERY_FAILED',
804 payload => $arg, debug => "$err" ));
808 if( $action eq 'search' ) {
809 $self->log(I, "$type.$action : returned ".scalar(@$obj). " result(s)");
810 $self->event(_mk_not_found($type, $arg)) unless @$obj;
813 if( $action eq 'create' ) {
814 my $idf = $obj->Identity;
815 $self->log(I, "created a new $type object with Identity " . $obj->$idf);
816 $arg->$idf($obj->$idf);
819 $self->data($obj); # cache the data for convenience
821 return ($obj) ? $obj : 1;
826 my( $type, $arg ) = @_;
827 (my $t = $type) =~ s/\./_/og;
829 return OpenILS::Event->new("${t}_NOT_FOUND", payload => $arg);
834 # utility method for loading
838 $str =~ s/Fieldmapper:://o;
844 # -------------------------------------------------------------
845 # Load up the methods from the FM classes
846 # -------------------------------------------------------------
849 no warnings; # Here we potentially redefine subs via eval
850 my $map = $Fieldmapper::fieldmap;
851 for my $object (keys %$map) {
852 my $obj = __fm2meth($object, '_');
853 my $type = __fm2meth($object, '.');
854 foreach my $command (qw/ update retrieve search create delete batch_retrieve retrieve_all /) {
855 eval "sub ${command}_$obj {return shift()->runmethod('$command', '$type', \@_);}\n";
857 # TODO: performance test against concatenating a big string of all the subs and eval'ing only ONCE.
861 init(); # Add very many subs to this namespace
864 my( $self, $arg, $options ) = @_;
866 my @arg = ( ref($arg) eq 'ARRAY' ) ? @$arg : ($arg);
867 my $method = $self->app.'.json_query.atomic';
868 $method =~ s/\.atomic$//o if $self->substream($$options{substream} || 0);
870 $self->timeout($$options{timeout});
871 $self->discard($$options{discard});
877 $obj = $self->request($method, @arg);
878 } catch Error with { $err = shift; };
882 OpenILS::Event->new( 'DATABASE_QUERY_FAILED',
883 payload => $arg, debug => "$err" ));
887 $self->log(I, "json_query : returned ".scalar(@$obj). " result(s)") if (ref($obj));