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} = {};
81 my( $self, $app ) = @_;
82 $self->{app} = $app if $app;
83 $self->{app} = 'open-ils.cstore' unless $self->{app};
88 # -----------------------------------------------------------------------------
89 # Log the editor metadata along with the log string
90 # -----------------------------------------------------------------------------
92 my( $self, $lev, $str ) = @_;
96 } elsif ($self->{xact}) {
101 $s .= "0" unless $self->requestor;
102 $s .= $self->requestor->id if $self->requestor;
104 $logger->$lev("$s $str");
107 # -----------------------------------------------------------------------------
108 # Verifies the auth token and fetches the requestor object
109 # -----------------------------------------------------------------------------
112 $self->log(D, "checking auth token ".$self->authtoken);
113 my ($reqr, $evt) = $U->checkses($self->authtoken);
114 $self->event($evt) if $evt;
115 return $self->{requestor} = $reqr;
122 $cache = OpenSRF::Utils::Cache->new('global') unless $cache;
123 $self->log(D, "checking cached auth token ".$self->authtoken);
124 my $user = $cache->get_cache("oils_auth_".$self->authtoken);
125 return $self->{requestor} = $user->{userobj} if $user;
126 $self->event(OpenILS::Event->new('NO_SESSION'));
132 # -----------------------------------------------------------------------------
133 # Returns the last generated event
134 # -----------------------------------------------------------------------------
136 my( $self, $evt ) = @_;
137 $self->{event} = $evt if $evt;
138 return $self->{event};
141 # -----------------------------------------------------------------------------
142 # Destroys the transaction and disconnects where necessary,
143 # then returns the last event that occurred
144 # -----------------------------------------------------------------------------
153 # -----------------------------------------------------------------------------
154 # Clears the last caught event
155 # -----------------------------------------------------------------------------
158 $self->{event} = undef;
162 my($self, $died) = @_;
163 $self->{died} = $died if defined $died;
164 return $self->{died};
168 my( $self, $auth ) = @_;
169 $self->{authtoken} = $auth if $auth;
170 return $self->{authtoken};
175 $self->{timeout} = $to if defined $to;
176 return defined($self->{timeout}) ? $self->{timeout} : 60;
179 # -----------------------------------------------------------------------------
180 # fetches the session, creating if necessary. If 'xact' is true on this
181 # object, a db session is created
182 # -----------------------------------------------------------------------------
184 my( $self, $session ) = @_;
185 $self->{session} = $session if $session;
187 if(!$self->{session}) {
188 $self->{session} = OpenSRF::AppSession->create($self->app);
190 if( ! $self->{session} ) {
191 my $str = "Error creating cstore session with OpenSRF::AppSession->create()!";
193 throw OpenSRF::EX::ERROR ($str);
196 $self->{session}->connect if $self->{xact} or $self->{connect} or $always_xact;
197 $self->xact_begin if $self->{xact} or $always_xact;
200 $xact_ed_cache{$self->{xact_id}} = $self if $always_xact;
201 return $self->{session};
205 # -----------------------------------------------------------------------------
206 # Starts a storage transaction
207 # -----------------------------------------------------------------------------
210 return $self->{xact_id} if $self->{xact_id};
211 $self->session->connect unless $self->session->state == OpenSRF::AppSession::CONNECTED();
212 $self->log(D, "starting new database transaction");
213 my $stat = $self->request($self->app . '.transaction.begin') unless $self->{xact_id};
214 $self->log(E, "error starting database transaction") unless $stat;
215 $self->{xact_id} = $stat;
220 # -----------------------------------------------------------------------------
221 # Commits a storage transaction
222 # -----------------------------------------------------------------------------
225 return unless $self->{xact_id};
226 $self->log(D, "comitting db session");
227 my $stat = $self->request($self->app.'.transaction.commit');
228 $self->log(E, "error comitting database transaction") unless $stat;
229 delete $self->{xact_id};
230 delete $self->{xact};
234 # -----------------------------------------------------------------------------
235 # Rolls back a storage stransaction
236 # -----------------------------------------------------------------------------
239 return unless $self->{session} and $self->{xact_id};
240 $self->log(I, "rolling back db session");
241 my $stat = $self->request($self->app.".transaction.rollback");
242 $self->log(E, "error rolling back database transaction") unless $stat;
243 delete $self->{xact_id};
244 delete $self->{xact};
249 # -----------------------------------------------------------------------------
250 # Savepoint functions. If no savepoint name is provided, the same name is used
251 # for each successive savepoint, in which case only the last savepoint set can
252 # be released or rolled back.
253 # -----------------------------------------------------------------------------
256 my $name = shift || 'savepoint';
257 return unless $self->{session} and $self->{xact_id};
258 $self->log(I, "setting savepoint '$name'");
259 my $stat = $self->request($self->app.".savepoint.set")
260 or $self->log(E, "error setting savepoint '$name'");
264 sub release_savepoint {
266 my $name = shift || 'savepoint';
267 return unless $self->{session} and $self->{xact_id};
268 $self->log(I, "releasing savepoint '$name'");
269 my $stat = $self->request($self->app.".savepoint.release")
270 or $self->log(E, "error releasing savepoint '$name'");
274 sub rollback_savepoint {
276 my $name = shift || 'savepoint';
277 return unless $self->{session} and $self->{xact_id};
278 $self->log(I, "rollback savepoint '$name'");
279 my $stat = $self->request($self->app.".savepoint.rollback")
280 or $self->log(E, "error rolling back savepoint '$name'");
285 # -----------------------------------------------------------------------------
286 # Rolls back the transaction and disconnects
287 # -----------------------------------------------------------------------------
290 $self->xact_rollback;
296 $self->session->disconnect if $self->{session};
297 delete $self->{session};
301 # -----------------------------------------------------------------------------
302 # commits the db session and destroys the session
303 # -----------------------------------------------------------------------------
306 return unless $self->{xact_id};
308 $self->session->disconnect;
309 $self->{session} = undef;
312 # -----------------------------------------------------------------------------
313 # clears all object data. Does not commit the db transaction.
314 # -----------------------------------------------------------------------------
318 $$self{$_} = undef for (keys %$self);
322 # -----------------------------------------------------------------------------
324 # -----------------------------------------------------------------------------
333 # -----------------------------------------------------------------------------
334 # Does a simple storage request
335 # -----------------------------------------------------------------------------
337 my( $self, $method, @params ) = @_;
341 my $argstr = __arg_to_string( (scalar(@params)) == 1 ? $params[0] : \@params);
342 my $locale = $self->session->session_locale;
344 $self->log(I, "request $locale $method $argstr");
346 if( ($self->{xact} or $always_xact) and
347 $self->session->state != OpenSRF::AppSession::CONNECTED() ) {
348 #$logger->error("CStoreEditor lost it's connection!!");
349 throw OpenSRF::EX::ERROR ("CStore connection timed out - transaction cannot continue");
355 my $req = $self->session->request($method, @params);
357 if($self->substream) {
358 $self->log(D,"running in substream mode");
360 while( my $resp = $req->recv(timeout => $self->timeout) ) {
361 push(@$val, $resp->content) if $resp->content;
365 my $resp = $req->recv(timeout => $self->timeout);
368 $self->log(E, "request error $method : $argstr : $err");
370 $val = $resp->content;
378 $self->log(E, "request error $method : $argstr : $err");
386 my( $self, $bool ) = @_;
387 $self->{substream} = $bool if defined $bool;
388 return $self->{substream};
392 # -----------------------------------------------------------------------------
393 # Sets / Returns the requestor object. This is set when checkauth succeeds.
394 # -----------------------------------------------------------------------------
396 my($self, $requestor) = @_;
397 $self->{requestor} = $requestor if $requestor;
398 return $self->{requestor};
403 # -----------------------------------------------------------------------------
404 # Holds the last data received from a storage call
405 # -----------------------------------------------------------------------------
407 my( $self, $data ) = @_;
408 $self->{data} = $data if defined $data;
409 return $self->{data};
413 # -----------------------------------------------------------------------------
414 # True if this perm has already been checked at this org
415 # -----------------------------------------------------------------------------
417 my( $self, $perm, $org ) = @_;
418 $self->{checked_perms}->{$org} = {}
419 unless $self->{checked_perms}->{$org};
420 my $checked = $self->{checked_perms}->{$org}->{$perm};
422 $self->{checked_perms}->{$org}->{$perm} = 1;
430 # -----------------------------------------------------------------------------
431 # Returns true if the requested perm is allowed. If the perm check fails,
432 # $e->event is set and undef is returned
433 # The perm user is $e->requestor->id and perm org defaults to the requestor's
435 # if perm is an array of perms, method will return true at the first allowed
436 # permission. If none of the perms are allowed, the perm_failure event
437 # is created with the last perm to fail
438 # -----------------------------------------------------------------------------
442 transform => 'permission.usr_has_perm',
452 my $OBJECT_PERM_QUERY = {
455 transform => 'permission.usr_has_object_perm',
466 my( $self, $perm, $org, $object, $hint ) = @_;
467 my $uid = $self->requestor->id;
468 $org ||= $self->requestor->ws_ou;
470 my $perms = (ref($perm) eq 'ARRAY') ? $perm : [$perm];
472 for $perm (@$perms) {
473 $self->log(I, "checking perms user=$uid, org=$org, perm=$perm");
478 # determine the ID field and json_hint from the object
479 my $id_field = $object->Identity;
480 $params = [$perm, $object->json_hint, $object->$id_field];
482 # we were passed an object-id and json_hint
483 $params = [$perm, $hint, $object];
485 push(@$params, $org) if $org;
486 $OBJECT_PERM_QUERY->{select}->{au}->[0]->{params} = $params;
487 $OBJECT_PERM_QUERY->{where}->{id} = $uid;
488 return 1 if $U->is_true($self->json_query($OBJECT_PERM_QUERY)->[0]->{has_perm});
491 $PERM_QUERY->{select}->{au}->[0]->{params} = [$perm, $org];
492 $PERM_QUERY->{where}->{id} = $uid;
493 return 1 if $U->is_true($self->json_query($PERM_QUERY)->[0]->{has_perm});
497 # set the perm failure event if the permission check returned false
498 my $e = OpenILS::Event->new('PERM_FAILURE', ilsperm => $perm, ilspermloc => $org);
504 # -----------------------------------------------------------------------------
505 # Returns the list of object IDs this user has object-specific permissions for
506 # -----------------------------------------------------------------------------
507 sub objects_allowed {
508 my($self, $perm, $obj_type) = @_;
510 my $perms = (ref($perm) eq 'ARRAY') ? $perm : [$perm];
513 for $perm (@$perms) {
515 select => {puopm => ['object_id']},
518 ppl => {field => 'id',fkey => 'perm'}
522 '+puopm' => {usr => $self->requestor->id, object_type => $obj_type},
523 '+ppl' => {code => $perm}
527 my $list = $self->json_query($query);
528 push(@ids, 0+$_->{object_id}) for @$list;
532 $trim{$_} = 1 for @ids;
533 return [ keys %trim ];
537 # -----------------------------------------------------------------------------
538 # checks the appropriate perm for the operation
539 # -----------------------------------------------------------------------------
541 my( $self, $ptype, $action, $org ) = @_;
542 $org ||= $self->requestor->ws_ou;
543 my $perm = $PERMS{$ptype}{$action};
545 return undef if $self->perm_checked($perm, $org);
546 return $self->event unless $self->allowed($perm, $org);
548 $self->log(I, "no perm provided for $ptype.$action");
555 # -----------------------------------------------------------------------------
556 # Logs update actions to the activity log
557 # -----------------------------------------------------------------------------
559 my( $self, $type, $action, $arg ) = @_;
560 my $str = "$type.$action";
561 $str .= _prop_string($arg);
569 my @props = $obj->properties;
572 my $prop = $obj->$_() || "";
573 $prop = substr($prop, 0, 128) . "..." if length $prop > 131;
580 sub __arg_to_string {
582 return "" unless defined $arg;
583 if( UNIVERSAL::isa($arg, "Fieldmapper") ) {
584 return (defined $arg->id) ? $arg->id : '<new object>';
586 return OpenSRF::Utils::JSON->perl2JSON($arg);
591 # -----------------------------------------------------------------------------
592 # This does the actual storage query.
594 # 'search' calls become search_where calls and $arg can be a search hash or
595 # an array-ref of storage search options.
597 # 'retrieve' expects an id
598 # 'update' expects an object
599 # 'create' expects an object
600 # 'delete' expects an object
602 # All methods return true on success and undef on failure. On failure,
603 # $e->event is set to the generated event.
604 # Note: this method assumes that updating a non-changed object and
605 # thereby receiving a 0 from storage, is a successful update.
607 # The method will therefore return true so the caller can just do
608 # $e->update_blah($x) or return $e->event;
609 # The true value returned from storage for all methods will be stored in
610 # $e->data, until the next method is called.
612 # not-found events are generated on retrieve and serach methods.
613 # action=search methods will return [] (==true) if no data is found. If the
614 # caller is interested in the not found event, they can do:
615 # return $e->event unless @$results;
616 # -----------------------------------------------------------------------------
618 my( $self, $action, $type, $arg, $options ) = @_;
622 if( $action eq 'retrieve' ) {
623 if(! defined($arg) ) {
624 $self->log(W,"$action $type called with no ID...");
625 $self->event(_mk_not_found($type, $arg));
627 } elsif( ref($arg) =~ /Fieldmapper/ ) {
628 $self->log(D,"$action $type called with an object.. attempting ID retrieval..");
633 my @arg = ( ref($arg) eq 'ARRAY' ) ? @$arg : ($arg);
634 my $method = $self->app.".direct.$type.$action";
636 if( $action eq 'search' ) {
637 $method .= '.atomic';
639 } elsif( $action eq 'batch_retrieve' ) {
641 @arg = ( { id => $arg } );
642 $method =~ s/batch_retrieve/search/o;
643 $method .= '.atomic';
645 } elsif( $action eq 'retrieve_all' ) {
647 $method =~ s/retrieve_all/search/o;
650 my $fmobj = "Fieldmapper::$tt";
651 @arg = ( { $fmobj->Identity => { '!=' => undef } } );
652 $method .= '.atomic';
655 $method =~ s/search/id_list/o if $options->{idlist};
657 $method =~ s/\.atomic$//o if $self->substream($$options{substream} || 0);
658 $self->timeout($$options{timeout});
660 # remove any stale events
663 if( $action eq 'update' or $action eq 'delete' or $action eq 'create' ) {
664 if(!($self->{xact} or $always_xact)) {
665 $logger->error("Attempt to update DB while not in a transaction : $method");
666 throw OpenSRF::EX::ERROR ("Attempt to update DB while not in a transaction : $method");
668 $self->log_activity($type, $action, $arg);
671 if($$options{checkperm}) {
672 my $a = ($action eq 'search') ? 'retrieve' : $action;
673 my $e = $self->_checkperm($type, $a, $$options{permorg});
684 $obj = $self->request($method, @arg);
685 } catch Error with { $err = shift; };
689 $self->log(I, "request returned no data : $method");
691 if( $action eq 'retrieve' ) {
692 $self->event(_mk_not_found($type, $arg));
694 } elsif( $action eq 'update' or
695 $action eq 'delete' or $action eq 'create' ) {
696 my $evt = OpenILS::Event->new(
697 'DATABASE_UPDATE_FAILED', payload => $arg, debug => "$err" );
703 OpenILS::Event->new( 'DATABASE_QUERY_FAILED',
704 payload => $arg, debug => "$err" ));
711 if( $action eq 'create' and $obj == 0 ) {
712 my $evt = OpenILS::Event->new(
713 'DATABASE_UPDATE_FAILED', payload => $arg, debug => "$err" );
718 # If we havn't dealt with the error in a nice way, go ahead and throw it
721 OpenILS::Event->new( 'DATABASE_QUERY_FAILED',
722 payload => $arg, debug => "$err" ));
726 if( $action eq 'search' ) {
727 $self->log(I, "$type.$action : returned ".scalar(@$obj). " result(s)");
728 $self->event(_mk_not_found($type, $arg)) unless @$obj;
731 if( $action eq 'create' ) {
732 $self->log(I, "created a new $type object with ID " . $obj->id);
736 $self->data($obj); # cache the data for convenience
738 return ($obj) ? $obj : 1;
743 my( $type, $arg ) = @_;
744 (my $t = $type) =~ s/\./_/og;
746 return OpenILS::Event->new("${t}_NOT_FOUND", payload => $arg);
751 # utility method for loading
755 $str =~ s/Fieldmapper:://o;
761 # -------------------------------------------------------------
762 # Load up the methods from the FM classes
763 # -------------------------------------------------------------
764 my $map = $Fieldmapper::fieldmap;
765 for my $object (keys %$map) {
766 my $obj = __fm2meth($object,'_');
767 my $type = __fm2meth($object, '.');
769 my $update = "update_$obj";
771 "sub $update {return shift()->runmethod('update', '$type', \@_);}";
774 my $retrieve = "retrieve_$obj";
776 "sub $retrieve {return shift()->runmethod('retrieve', '$type', \@_);}";
779 my $search = "search_$obj";
781 "sub $search {return shift()->runmethod('search', '$type', \@_);}";
784 my $create = "create_$obj";
786 "sub $create {return shift()->runmethod('create', '$type', \@_);}";
789 my $delete = "delete_$obj";
791 "sub $delete {return shift()->runmethod('delete', '$type', \@_);}";
794 my $bretrieve = "batch_retrieve_$obj";
796 "sub $bretrieve {return shift()->runmethod('batch_retrieve', '$type', \@_);}";
799 my $retrieveall = "retrieve_all_$obj";
801 "sub $retrieveall {return shift()->runmethod('retrieve_all', '$type', \@_);}";
806 my( $self, $arg, $options ) = @_;
808 my @arg = ( ref($arg) eq 'ARRAY' ) ? @$arg : ($arg);
809 my $method = $self->app.'.json_query.atomic';
810 $method =~ s/\.atomic$//o if $self->substream($$options{substream} || 0);
816 $obj = $self->request($method, @arg);
817 } catch Error with { $err = shift; };
821 OpenILS::Event->new( 'DATABASE_QUERY_FAILED',
822 payload => $arg, debug => "$err" ));
826 $self->log(I, "json_query : returned ".scalar(@$obj). " result(s)") if (ref($obj));