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 ) {
28 $xact_ed_cache{$k}->rollback;
29 delete $xact_ed_cache{$k};
33 # -----------------------------------------------------------------------------
34 # Export some useful functions
35 # -----------------------------------------------------------------------------
36 use vars qw(@EXPORT_OK %EXPORT_TAGS);
38 use base qw/Exporter/;
39 push @EXPORT_OK, ( 'new_editor', 'new_rstore_editor' );
40 %EXPORT_TAGS = ( funcs => [ qw/ new_editor new_rstore_editor / ] );
42 sub new_editor { return OpenILS::Utils::CStoreEditor->new(@_); }
44 sub new_rstore_editor {
45 my $e = OpenILS::Utils::CStoreEditor->new(@_);
46 $e->app('open-ils.reporter-store');
51 # -----------------------------------------------------------------------------
53 # -----------------------------------------------------------------------------
54 use constant E => 'error';
55 use constant W => 'warn';
56 use constant I => 'info';
57 use constant D => 'debug';
58 use constant A => 'activity';
62 # -----------------------------------------------------------------------------
64 # xact=><true> : creates a storage transaction
65 # authtoken=>$token : the login session key
66 # -----------------------------------------------------------------------------
68 my( $class, %params ) = @_;
69 $class = ref($class) || $class;
70 my $self = bless( \%params, $class );
71 $self->{checked_perms} = {};
77 my( $self, $app ) = @_;
78 $self->{app} = $app if $app;
79 $self->{app} = 'open-ils.cstore' unless $self->{app};
84 # -----------------------------------------------------------------------------
85 # Log the editor metadata along with the log string
86 # -----------------------------------------------------------------------------
88 my( $self, $lev, $str ) = @_;
92 } elsif ($self->{xact}) {
97 $s .= "0" unless $self->requestor;
98 $s .= $self->requestor->id if $self->requestor;
100 $logger->$lev("$s $str");
103 # -----------------------------------------------------------------------------
104 # Verifies the auth token and fetches the requestor object
105 # -----------------------------------------------------------------------------
108 $self->log(D, "checking auth token ".$self->authtoken);
109 my ($reqr, $evt) = $U->checkses($self->authtoken);
110 $self->event($evt) if $evt;
111 return $self->{requestor} = $reqr;
118 $cache = OpenSRF::Utils::Cache->new('global') unless $cache;
119 $self->log(D, "checking cached auth token ".$self->authtoken);
120 my $user = $cache->get_cache("oils_auth_".$self->authtoken);
121 return $self->{requestor} = $user->{userobj} if $user;
122 $self->event(OpenILS::Event->new('NO_SESSION'));
128 # -----------------------------------------------------------------------------
129 # Returns the last generated event
130 # -----------------------------------------------------------------------------
132 my( $self, $evt ) = @_;
133 $self->{event} = $evt if $evt;
134 return $self->{event};
137 # -----------------------------------------------------------------------------
138 # Destroys the transaction and disconnects where necessary,
139 # then returns the last event that occurred
140 # -----------------------------------------------------------------------------
148 # -----------------------------------------------------------------------------
149 # Clears the last caught event
150 # -----------------------------------------------------------------------------
153 $self->{event} = undef;
157 my( $self, $auth ) = @_;
158 $self->{authtoken} = $auth if $auth;
159 return $self->{authtoken};
164 $self->{timeout} = $to if defined $to;
165 return defined($self->{timeout}) ? $self->{timeout} : 60;
168 # -----------------------------------------------------------------------------
169 # fetches the session, creating if necessary. If 'xact' is true on this
170 # object, a db session is created
171 # -----------------------------------------------------------------------------
173 my( $self, $session ) = @_;
174 $self->{session} = $session if $session;
176 if(!$self->{session}) {
177 $self->{session} = OpenSRF::AppSession->create($self->app);
179 if( ! $self->{session} ) {
180 my $str = "Error creating cstore session with OpenSRF::AppSession->create()!";
182 throw OpenSRF::EX::ERROR ($str);
185 $self->{session}->connect if $self->{xact} or $self->{connect} or $always_xact;
186 $self->xact_begin if $self->{xact} or $always_xact;
189 $xact_ed_cache{$self->{xact_id}} = $self if $always_xact;
190 return $self->{session};
194 # -----------------------------------------------------------------------------
195 # Starts a storage transaction
196 # -----------------------------------------------------------------------------
199 $self->session->connect unless $self->session->state == OpenSRF::AppSession::CONNECTED();
200 $self->log(D, "starting new database transaction");
201 my $stat = $self->request($self->app . '.transaction.begin') unless $self->{xact_id};
202 $self->log(E, "error starting database transaction") unless $stat;
203 $self->{xact_id} = $stat;
208 # -----------------------------------------------------------------------------
209 # Commits a storage transaction
210 # -----------------------------------------------------------------------------
213 return unless $self->{xact_id};
214 $self->log(D, "comitting db session");
215 my $stat = $self->request($self->app.'.transaction.commit');
216 $self->log(E, "error comitting database transaction") unless $stat;
217 delete $self->{xact_id};
218 delete $self->{xact};
222 # -----------------------------------------------------------------------------
223 # Rolls back a storage stransaction
224 # -----------------------------------------------------------------------------
227 return unless $self->{session} and $self->{xact_id};
228 $self->log(I, "rolling back db session");
229 my $stat = $self->request($self->app.".transaction.rollback");
230 $self->log(E, "error rolling back database transaction") unless $stat;
231 delete $self->{xact_id};
232 delete $self->{xact};
237 # -----------------------------------------------------------------------------
238 # Savepoint functions. If no savepoint name is provided, the same name is used
239 # for each successive savepoint, in which case only the last savepoint set can
240 # be released or rolled back.
241 # -----------------------------------------------------------------------------
244 my $name = shift || 'savepoint';
245 return unless $self->{session} and $self->{xact_id};
246 $self->log(I, "setting savepoint '$name'");
247 my $stat = $self->request($self->app.".savepoint.set")
248 or $self->log(E, "error setting savepoint '$name'");
252 sub release_savepoint {
254 my $name = shift || 'savepoint';
255 return unless $self->{session} and $self->{xact_id};
256 $self->log(I, "releasing savepoint '$name'");
257 my $stat = $self->request($self->app.".savepoint.release")
258 or $self->log(E, "error releasing savepoint '$name'");
262 sub rollback_savepoint {
264 my $name = shift || 'savepoint';
265 return unless $self->{session} and $self->{xact_id};
266 $self->log(I, "rollback savepoint '$name'");
267 my $stat = $self->request($self->app.".savepoint.rollback")
268 or $self->log(E, "error rolling back savepoint '$name'");
273 # -----------------------------------------------------------------------------
274 # Rolls back the transaction and disconnects
275 # -----------------------------------------------------------------------------
278 $self->xact_rollback;
284 $self->session->disconnect if $self->{session};
285 delete $self->{session};
289 # -----------------------------------------------------------------------------
290 # commits the db session and destroys the session
291 # -----------------------------------------------------------------------------
294 return unless $self->{xact_id};
296 $self->session->disconnect;
297 $self->{session} = undef;
300 # -----------------------------------------------------------------------------
301 # clears all object data. Does not commit the db transaction.
302 # -----------------------------------------------------------------------------
306 $$self{$_} = undef for (keys %$self);
310 # -----------------------------------------------------------------------------
312 # -----------------------------------------------------------------------------
321 # -----------------------------------------------------------------------------
322 # Does a simple storage request
323 # -----------------------------------------------------------------------------
325 my( $self, $method, @params ) = @_;
329 my $argstr = __arg_to_string( (scalar(@params)) == 1 ? $params[0] : \@params);
330 my $locale = $self->session->session_locale;
332 $self->log(I, "request $locale $method $argstr");
334 if( ($self->{xact} or $always_xact) and
335 $self->session->state != OpenSRF::AppSession::CONNECTED() ) {
336 #$logger->error("CStoreEditor lost it's connection!!");
337 throw OpenSRF::EX::ERROR ("CStore connection timed out - transaction cannot continue");
343 my $req = $self->session->request($method, @params);
345 if($self->substream) {
346 $self->log(D,"running in substream mode");
348 while( my $resp = $req->recv(timeout => $self->timeout) ) {
349 push(@$val, $resp->content) if $resp->content;
353 my $resp = $req->recv(timeout => $self->timeout);
356 $self->log(E, "request error $method : $argstr : $err");
358 $val = $resp->content;
366 $self->log(E, "request error $method : $argstr : $err");
374 my( $self, $bool ) = @_;
375 $self->{substream} = $bool if defined $bool;
376 return $self->{substream};
380 # -----------------------------------------------------------------------------
381 # Sets / Returns the requestor object. This is set when checkauth succeeds.
382 # -----------------------------------------------------------------------------
384 my($self, $requestor) = @_;
385 $self->{requestor} = $requestor if $requestor;
386 return $self->{requestor};
391 # -----------------------------------------------------------------------------
392 # Holds the last data received from a storage call
393 # -----------------------------------------------------------------------------
395 my( $self, $data ) = @_;
396 $self->{data} = $data if defined $data;
397 return $self->{data};
401 # -----------------------------------------------------------------------------
402 # True if this perm has already been checked at this org
403 # -----------------------------------------------------------------------------
405 my( $self, $perm, $org ) = @_;
406 $self->{checked_perms}->{$org} = {}
407 unless $self->{checked_perms}->{$org};
408 my $checked = $self->{checked_perms}->{$org}->{$perm};
410 $self->{checked_perms}->{$org}->{$perm} = 1;
418 # -----------------------------------------------------------------------------
419 # Returns true if the requested perm is allowed. If the perm check fails,
420 # $e->event is set and undef is returned
421 # The perm user is $e->requestor->id and perm org defaults to the requestor's
423 # if perm is an array of perms, method will return true at the first allowed
424 # permission. If none of the perms are allowed, the perm_failure event
425 # is created with the last perm to fail
426 # -----------------------------------------------------------------------------
430 transform => 'permission.usr_has_perm',
440 my $OBJECT_PERM_QUERY = {
443 transform => 'permission.usr_has_object_perm',
454 my( $self, $perm, $org, $object, $hint ) = @_;
455 my $uid = $self->requestor->id;
456 $org ||= $self->requestor->ws_ou;
458 my $perms = (ref($perm) eq 'ARRAY') ? $perm : [$perm];
460 for $perm (@$perms) {
461 $self->log(I, "checking perms user=$uid, org=$org, perm=$perm");
466 # determine the ID field and json_hint from the object
467 my $id_field = $object->Identity;
468 $params = [$perm, $object->json_hint, $object->$id_field];
470 # we were passed an object-id and json_hint
471 $params = [$perm, $hint, $object];
473 push(@$params, $org) if $org;
474 $OBJECT_PERM_QUERY->{select}->{au}->[0]->{params} = $params;
475 $OBJECT_PERM_QUERY->{where}->{id} = $uid;
476 return 1 if $U->is_true($self->json_query($OBJECT_PERM_QUERY)->[0]->{has_perm});
479 $PERM_QUERY->{select}->{au}->[0]->{params} = [$perm, $org];
480 $PERM_QUERY->{where}->{id} = $uid;
481 return 1 if $U->is_true($self->json_query($PERM_QUERY)->[0]->{has_perm});
485 # set the perm failure event if the permission check returned false
486 my $e = OpenILS::Event->new('PERM_FAILURE', ilsperm => $perm, ilspermloc => $org);
492 # -----------------------------------------------------------------------------
493 # Returns the list of object IDs this user has object-specific permissions for
494 # -----------------------------------------------------------------------------
495 sub objects_allowed {
496 my($self, $perm, $obj_type) = @_;
498 my $perms = (ref($perm) eq 'ARRAY') ? $perm : [$perm];
501 for $perm (@$perms) {
503 select => {puopm => ['object_id']},
506 ppl => {field => 'id',fkey => 'perm'}
510 '+puopm' => {usr => $self->requestor->id, object_type => $obj_type},
511 '+ppl' => {code => $perm}
515 my $list = $self->json_query($query);
516 push(@ids, 0+$_->{object_id}) for @$list;
520 $trim{$_} = 1 for @ids;
521 return [ keys %trim ];
525 # -----------------------------------------------------------------------------
526 # checks the appropriate perm for the operation
527 # -----------------------------------------------------------------------------
529 my( $self, $ptype, $action, $org ) = @_;
530 $org ||= $self->requestor->ws_ou;
531 my $perm = $PERMS{$ptype}{$action};
533 return undef if $self->perm_checked($perm, $org);
534 return $self->event unless $self->allowed($perm, $org);
536 $self->log(I, "no perm provided for $ptype.$action");
543 # -----------------------------------------------------------------------------
544 # Logs update actions to the activity log
545 # -----------------------------------------------------------------------------
547 my( $self, $type, $action, $arg ) = @_;
548 my $str = "$type.$action";
549 $str .= _prop_string($arg);
557 my @props = $obj->properties;
560 my $prop = $obj->$_() || "";
561 $prop = substr($prop, 0, 128) . "..." if length $prop > 131;
568 sub __arg_to_string {
570 return "" unless defined $arg;
571 if( UNIVERSAL::isa($arg, "Fieldmapper") ) {
572 return (defined $arg->id) ? $arg->id : '<new object>';
574 return OpenSRF::Utils::JSON->perl2JSON($arg);
579 # -----------------------------------------------------------------------------
580 # This does the actual storage query.
582 # 'search' calls become search_where calls and $arg can be a search hash or
583 # an array-ref of storage search options.
585 # 'retrieve' expects an id
586 # 'update' expects an object
587 # 'create' expects an object
588 # 'delete' expects an object
590 # All methods return true on success and undef on failure. On failure,
591 # $e->event is set to the generated event.
592 # Note: this method assumes that updating a non-changed object and
593 # thereby receiving a 0 from storage, is a successful update.
595 # The method will therefore return true so the caller can just do
596 # $e->update_blah($x) or return $e->event;
597 # The true value returned from storage for all methods will be stored in
598 # $e->data, until the next method is called.
600 # not-found events are generated on retrieve and serach methods.
601 # action=search methods will return [] (==true) if no data is found. If the
602 # caller is interested in the not found event, they can do:
603 # return $e->event unless @$results;
604 # -----------------------------------------------------------------------------
606 my( $self, $action, $type, $arg, $options ) = @_;
610 if( $action eq 'retrieve' ) {
611 if(! defined($arg) ) {
612 $self->log(W,"$action $type called with no ID...");
613 $self->event(_mk_not_found($type, $arg));
615 } elsif( ref($arg) =~ /Fieldmapper/ ) {
616 $self->log(E,"$action $type called with an object.. attempting ID retrieval..");
621 my @arg = ( ref($arg) eq 'ARRAY' ) ? @$arg : ($arg);
622 my $method = $self->app.".direct.$type.$action";
624 if( $action eq 'search' ) {
625 $method .= '.atomic';
627 } elsif( $action eq 'batch_retrieve' ) {
629 @arg = ( { id => $arg } );
630 $method =~ s/batch_retrieve/search/o;
631 $method .= '.atomic';
633 } elsif( $action eq 'retrieve_all' ) {
635 $method =~ s/retrieve_all/search/o;
638 my $fmobj = "Fieldmapper::$tt";
639 @arg = ( { $fmobj->Identity => { '!=' => undef } } );
640 $method .= '.atomic';
643 $method =~ s/search/id_list/o if $options->{idlist};
645 $method =~ s/\.atomic$//o if $self->substream($$options{substream} || 0);
646 $self->timeout($$options{timeout});
648 # remove any stale events
651 if( $action eq 'update' or $action eq 'delete' or $action eq 'create' ) {
652 if(!($self->{xact} or $always_xact)) {
653 $logger->error("Attempt to update DB while not in a transaction : $method");
654 throw OpenSRF::EX::ERROR ("Attempt to update DB while not in a transaction : $method");
656 $self->log_activity($type, $action, $arg);
659 if($$options{checkperm}) {
660 my $a = ($action eq 'search') ? 'retrieve' : $action;
661 my $e = $self->_checkperm($type, $a, $$options{permorg});
672 $obj = $self->request($method, @arg);
673 } catch Error with { $err = shift; };
677 $self->log(I, "request returned no data : $method");
679 if( $action eq 'retrieve' ) {
680 $self->event(_mk_not_found($type, $arg));
682 } elsif( $action eq 'update' or
683 $action eq 'delete' or $action eq 'create' ) {
684 my $evt = OpenILS::Event->new(
685 'DATABASE_UPDATE_FAILED', payload => $arg, debug => "$err" );
691 OpenILS::Event->new( 'DATABASE_QUERY_FAILED',
692 payload => $arg, debug => "$err" ));
699 if( $action eq 'create' and $obj == 0 ) {
700 my $evt = OpenILS::Event->new(
701 'DATABASE_UPDATE_FAILED', payload => $arg, debug => "$err" );
706 # If we havn't dealt with the error in a nice way, go ahead and throw it
709 OpenILS::Event->new( 'DATABASE_QUERY_FAILED',
710 payload => $arg, debug => "$err" ));
714 if( $action eq 'search' ) {
715 $self->log(I, "$type.$action : returned ".scalar(@$obj). " result(s)");
716 $self->event(_mk_not_found($type, $arg)) unless @$obj;
719 if( $action eq 'create' ) {
720 $self->log(I, "created a new $type object with ID " . $obj->id);
724 $self->data($obj); # cache the data for convenience
726 return ($obj) ? $obj : 1;
731 my( $type, $arg ) = @_;
732 (my $t = $type) =~ s/\./_/og;
734 return OpenILS::Event->new("${t}_NOT_FOUND", payload => $arg);
739 # utility method for loading
743 $str =~ s/Fieldmapper:://o;
749 # -------------------------------------------------------------
750 # Load up the methods from the FM classes
751 # -------------------------------------------------------------
752 my $map = $Fieldmapper::fieldmap;
753 for my $object (keys %$map) {
754 my $obj = __fm2meth($object,'_');
755 my $type = __fm2meth($object, '.');
757 my $update = "update_$obj";
759 "sub $update {return shift()->runmethod('update', '$type', \@_);}";
762 my $retrieve = "retrieve_$obj";
764 "sub $retrieve {return shift()->runmethod('retrieve', '$type', \@_);}";
767 my $search = "search_$obj";
769 "sub $search {return shift()->runmethod('search', '$type', \@_);}";
772 my $create = "create_$obj";
774 "sub $create {return shift()->runmethod('create', '$type', \@_);}";
777 my $delete = "delete_$obj";
779 "sub $delete {return shift()->runmethod('delete', '$type', \@_);}";
782 my $bretrieve = "batch_retrieve_$obj";
784 "sub $bretrieve {return shift()->runmethod('batch_retrieve', '$type', \@_);}";
787 my $retrieveall = "retrieve_all_$obj";
789 "sub $retrieveall {return shift()->runmethod('retrieve_all', '$type', \@_);}";
794 my( $self, $arg, $options ) = @_;
796 my @arg = ( ref($arg) eq 'ARRAY' ) ? @$arg : ($arg);
797 my $method = $self->app.'.json_query.atomic';
798 $method =~ s/\.atomic$//o if $self->substream($$options{substream} || 0);
804 $obj = $self->request($method, @arg);
805 } catch Error with { $err = shift; };
809 OpenILS::Event->new( 'DATABASE_QUERY_FAILED',
810 payload => $arg, debug => "$err" ));
814 $self->log(I, "json_query : returned ".scalar(@$obj). " result(s)") if (ref($obj));