3 # Copyright 2000-2002 Katipo Communications
5 # This file is part of Koha.
7 # Koha is free software; you can redistribute it and/or modify it under the
8 # terms of the GNU General Public License as published by the Free Software
9 # Foundation; either version 2 of the License, or (at your option) any later
12 # Koha is distributed in the hope that it will be useful, but WITHOUT ANY
13 # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
14 # A PARTICULAR PURPOSE. See the GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License along with
17 # Koha; if not, write to the Free Software Foundation, Inc., 59 Temple Place,
18 # Suite 330, Boston, MA 02111-1307 USA
32 use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS);
36 # set the version for version checking
40 &GetLetters &getletter &addalert &getalert &delalert &findrelatedto &SendAlerts
46 C4::Letters - Give functions for Letters management
54 "Letters" is the tool used in Koha to manage informations sent to the patrons and/or the library. This include some cron jobs like
55 late issues, as well as other tasks like sending a mail to users that have subscribed to a "serial issue alert" (= being warned every time a new issue has arrived at the library)
57 Letters are managed through "alerts" sent by Koha on some events. All "alert" related functions are in this module too.
59 =head2 GetLetters([$category])
61 $letters = &GetLetters($category);
62 returns informations about letters.
63 if needed, $category filters for letters given category
64 Create a letter selector with the following code
68 my $letters = GetLetters($cat);
70 foreach my $thisletter (keys %$letters) {
71 my $selected = 1 if $thisletter eq $letter;
74 selected => $selected,
75 lettername => $letters->{$thisletter},
77 push @letterloop, \%row;
79 $template->param(LETTERLOOP => \@letterloop);
83 <select name="letter">
84 <option value="">Default</option>
85 <!-- TMPL_LOOP name="LETTERLOOP" -->
86 <option value="<!-- TMPL_VAR name="value" -->" <!-- TMPL_IF name="selected" -->selected<!-- /TMPL_IF -->><!-- TMPL_VAR name="lettername" --></option>
94 # returns a reference to a hash of references to ALL letters...
97 my $dbh = C4::Context->dbh;
100 my $query = "SELECT * FROM letter WHERE module = ? ORDER BY name";
101 $sth = $dbh->prepare($query);
105 my $query = "SELECT * FROM letter ORDER BY name";
106 $sth = $dbh->prepare($query);
109 while ( my $letter = $sth->fetchrow_hashref ) {
110 $letters{ $letter->{'code'} } = $letter->{'name'};
116 my ( $module, $code ) = @_;
117 my $dbh = C4::Context->dbh;
118 my $sth = $dbh->prepare("select * from letter where module=? and code=?");
119 $sth->execute( $module, $code );
120 my $line = $sth->fetchrow_hashref;
124 =head2 addalert ($borrowernumber, $type, $externalid)
127 - $borrowernumber : the number of the borrower subscribing to the alert
128 - $type : the type of alert.
129 - $externalid : the primary key of the object to put alert on. For issues, the alert is made on subscriptionid.
131 create an alert and return the alertid (primary key)
136 my ( $borrowernumber, $type, $externalid ) = @_;
137 my $dbh = C4::Context->dbh;
140 "insert into alert (borrowernumber, type, externalid) values (?,?,?)");
141 $sth->execute( $borrowernumber, $type, $externalid );
143 # get the alert number newly created and return it
144 my $alertid = $dbh->{'mysql_insertid'};
148 =head2 delalert ($alertid)
151 - alertid : the alert id
157 my $alertid = shift or die "delalert() called without valid argument (alertid)"; # it's gonna die anyway.
158 $debug and warn "delalert: deleting alertid $alertid";
159 my $sth = C4::Context->dbh->prepare("delete from alert where alertid=?");
160 $sth->execute($alertid);
163 =head2 getalert ([$borrowernumber], [$type], [$externalid])
166 - $borrowernumber : the number of the borrower subscribing to the alert
167 - $type : the type of alert.
168 - $externalid : the primary key of the object to put alert on. For issues, the alert is made on subscriptionid.
169 all parameters NON mandatory. If a parameter is omitted, the query is done without the corresponding parameter. For example, without $externalid, returns all alerts for a borrower on a topic.
173 sub getalert (;$$$) {
174 my ( $borrowernumber, $type, $externalid ) = @_;
175 my $dbh = C4::Context->dbh;
176 my $query = "SELECT * FROM alert WHERE";
178 if ($borrowernumber and $borrowernumber =~ /^\d+$/) {
179 $query .= " borrowernumber=? AND ";
180 push @bind, $borrowernumber;
183 $query .= " type=? AND ";
187 $query .= " externalid=? AND ";
188 push @bind, $externalid;
190 $query =~ s/ AND $//;
191 my $sth = $dbh->prepare($query);
192 $sth->execute(@bind);
193 return $sth->fetchall_arrayref({});
196 =head2 findrelatedto($type, $externalid)
199 - $type : the type of alert
200 - $externalid : the id of the "object" to query
202 In the table alert, a "id" is stored in the externalid field. This "id" is related to another table, depending on the type of the alert.
203 When type=issue, the id is related to a subscriptionid and this sub returns the name of the biblio.
208 # When type=virtual, the id is related to a virtual shelf and this sub returns the name of the sub
210 sub findrelatedto ($$) {
211 my $type = shift or return undef;
212 my $externalid = shift or return undef;
213 my $q = ($type eq 'issue' ) ?
214 "select title as result from subscription left join biblio on subscription.biblionumber=biblio.biblionumber where subscriptionid=?" :
215 ($type eq 'borrower') ?
216 "select concat(firstname,' ',surname) from borrowers where borrowernumber=?" : undef;
218 warn "findrelatedto(): Illegal type '$type'";
221 my $sth = C4::Context->dbh->prepare($q);
222 $sth->execute($externalid);
223 my ($result) = $sth->fetchrow;
230 - $type : the type of alert
231 - $externalid : the id of the "object" to query
232 - $letter : the letter to send.
234 send an alert to all borrowers having put an alert on a given subject.
239 my ( $type, $externalid, $letter ) = @_;
240 my $dbh = C4::Context->dbh;
241 if ( $type eq 'issue' ) {
243 # warn "sending issues...";
244 my $letter = getletter( 'serial', $letter );
246 # prepare the letter...
247 # search the biblionumber
250 "SELECT biblionumber FROM subscription WHERE subscriptionid=?");
251 $sth->execute($externalid);
252 my ($biblionumber) = $sth->fetchrow;
254 # parsing branch info
255 my $userenv = C4::Context->userenv;
256 parseletter( $letter, 'branches', $userenv->{branch} );
258 # parsing librarian name
259 $letter->{content} =~ s/<<LibrarianFirstname>>/$userenv->{firstname}/g;
260 $letter->{content} =~ s/<<LibrarianSurname>>/$userenv->{surname}/g;
261 $letter->{content} =~
262 s/<<LibrarianEmailaddress>>/$userenv->{emailaddress}/g;
264 # parsing biblio information
265 parseletter( $letter, 'biblio', $biblionumber );
266 parseletter( $letter, 'biblioitems', $biblionumber );
268 # find the list of borrowers to alert
269 my $alerts = getalert( '', 'issue', $externalid );
272 # and parse borrower ...
273 my $innerletter = $letter;
274 my $borinfo = GetMember( $_->{'borrowernumber'}, 'borrowernumber' );
275 parseletter( $innerletter, 'borrowers', $_->{'borrowernumber'} );
278 if ( $borinfo->{email} ) {
280 To => $borinfo->{email},
281 From => $borinfo->{email},
282 Subject => "" . $innerletter->{title},
283 Message => "" . $innerletter->{content},
284 'Content-Type' => 'text/plain; charset="utf8"',
288 # warn "sending to $mail{To} From $mail{From} subj $mail{Subject} Mess $mail{Message}";
292 elsif ( $type eq 'claimacquisition' ) {
294 # warn "sending issues...";
295 my $letter = getletter( 'claimacquisition', $letter );
297 # prepare the letter...
298 # search the biblionumber
300 "select aqorders.*,aqbasket.*,biblio.*,biblioitems.* from aqorders LEFT JOIN aqbasket on aqbasket.basketno=aqorders.basketno LEFT JOIN biblio on aqorders.biblionumber=biblio.biblionumber LEFT JOIN biblioitems on aqorders.biblioitemnumber=biblioitems.biblioitemnumber where aqorders.ordernumber IN ("
301 . join( ",", @$externalid ) . ")";
302 my $sthorders = $dbh->prepare($strsth);
304 my $dataorders = $sthorders->fetchall_arrayref( {} );
305 parseletter( $letter, 'aqbooksellers',
306 $dataorders->[0]->{booksellerid} );
308 $dbh->prepare("select * from aqbooksellers where id=?");
309 $sthbookseller->execute( $dataorders->[0]->{booksellerid} );
310 my $databookseller = $sthbookseller->fetchrow_hashref;
312 # parsing branch info
313 my $userenv = C4::Context->userenv;
314 parseletter( $letter, 'branches', $userenv->{branch} );
316 # parsing librarian name
317 $letter->{content} =~ s/<<LibrarianFirstname>>/$userenv->{firstname}/g;
318 $letter->{content} =~ s/<<LibrarianSurname>>/$userenv->{surname}/g;
319 $letter->{content} =~
320 s/<<LibrarianEmailaddress>>/$userenv->{emailaddress}/g;
321 foreach my $data (@$dataorders) {
322 my $line = $1 if ( $letter->{content} =~ m/(<<.*>>)/ );
323 foreach my $field ( keys %$data ) {
324 $line =~ s/(<<[^\.]+.$field>>)/$data->{$field}/;
326 $letter->{content} =~ s/(<<.*>>)/$line\n$1/;
328 $letter->{content} =~ s/<<[^>]*>>//g;
329 my $innerletter = $letter;
332 if ( $databookseller->{bookselleremail}
333 || $databookseller->{contemail} )
336 To => $databookseller->{bookselleremail}
338 $databookseller->{contemail}
339 ? "," . $databookseller->{contemail}
342 From => $userenv->{emailaddress},
343 Subject => "" . $innerletter->{title},
344 Message => "" . $innerletter->{content},
345 'Content-Type' => 'text/plain; charset="utf8"',
349 "sending to $mail{To} From $mail{From} subj $mail{Subject} Mess $mail{Message}";
351 if ( C4::Context->preference("LetterLog") ) {
354 "Send Acquisition claim letter",
357 . join( ",", @$externalid )
358 . "\n$innerletter->{title}\n$innerletter->{content}"
362 elsif ( $type eq 'claimissues' ) {
364 # warn "sending issues...";
365 my $letter = getletter( 'claimissues', $letter );
367 # prepare the letter...
368 # search the biblionumber
370 "select serial.*,subscription.*, biblio.* from serial LEFT JOIN subscription on serial.subscriptionid=subscription.subscriptionid LEFT JOIN biblio on serial.biblionumber=biblio.biblionumber where serial.serialid IN ("
371 . join( ",", @$externalid ) . ")";
372 my $sthorders = $dbh->prepare($strsth);
374 my $dataorders = $sthorders->fetchall_arrayref( {} );
375 parseletter( $letter, 'aqbooksellers',
376 $dataorders->[0]->{aqbooksellerid} );
378 $dbh->prepare("select * from aqbooksellers where id=?");
379 $sthbookseller->execute( $dataorders->[0]->{aqbooksellerid} );
380 my $databookseller = $sthbookseller->fetchrow_hashref;
382 # parsing branch info
383 my $userenv = C4::Context->userenv;
384 parseletter( $letter, 'branches', $userenv->{branch} );
386 # parsing librarian name
387 $letter->{content} =~ s/<<LibrarianFirstname>>/$userenv->{firstname}/g;
388 $letter->{content} =~ s/<<LibrarianSurname>>/$userenv->{surname}/g;
389 $letter->{content} =~
390 s/<<LibrarianEmailaddress>>/$userenv->{emailaddress}/g;
391 foreach my $data (@$dataorders) {
392 my $line = $1 if ( $letter->{content} =~ m/(<<.*>>)/ );
393 foreach my $field ( keys %$data ) {
394 $line =~ s/(<<[^\.]+.$field>>)/$data->{$field}/;
396 $letter->{content} =~ s/(<<.*>>)/$line\n$1/;
398 $letter->{content} =~ s/<<[^>]*>>//g;
399 my $innerletter = $letter;
402 if ( $databookseller->{bookselleremail}
403 || $databookseller->{contemail} )
406 To => $databookseller->{bookselleremail}
408 $databookseller->{contemail}
409 ? "," . $databookseller->{contemail}
412 From => $userenv->{emailaddress},
413 Subject => "" . $innerletter->{title},
414 Message => "" . $innerletter->{content},
415 'Content-Type' => 'text/plain; charset="utf8"',
423 . $databookseller->{contemail}
425 . $innerletter->{title}
427 . $innerletter->{content}
428 ) if C4::Context->preference("LetterLog");
431 "sending to From $userenv->{emailaddress} subj $innerletter->{title} Mess $innerletter->{content}";
433 # send an "account details" notice to a newly created user
434 elsif ( $type eq 'members' ) {
435 $letter->{content} =~ s/<<borrowers.title>>/$externalid->{'title'}/g;
436 $letter->{content} =~ s/<<borrowers.firstname>>/$externalid->{'firstname'}/g;
437 $letter->{content} =~ s/<<borrowers.surname>>/$externalid->{'surname'}/g;
438 $letter->{content} =~ s/<<borrowers.userid>>/$externalid->{'userid'}/g;
439 $letter->{content} =~ s/<<borrowers.password>>/$externalid->{'password'}/g;
442 To => $externalid->{'emailaddr'},
443 From => C4::Context->preference("KohaAdminEmailAddress"),
444 Subject => $letter->{'title'},
445 Message => $letter->{'content'},
446 'Content-Type' => 'text/plain; charset="utf8"',
452 =head2 parseletter($letter, $table, $pk)
455 - $letter : a hash to letter fields (title & content useful)
456 - $table : the Koha table to parse.
457 - $pk : the primary key to query on the $table table
458 parse all fields from a table, and replace values in title & content with the appropriate value
459 (not exported sub, used only internally)
466 sub parseletter_sth {
469 carp "ERROR: parseletter_sth() called without argument (table)";
473 (defined $handles{$table}) and return $handles{$table};
475 ($table eq 'biblio' ) ? "SELECT * FROM $table WHERE biblionumber = ?" :
476 ($table eq 'biblioitems' ) ? "SELECT * FROM $table WHERE biblionumber = ?" :
477 ($table eq 'items' ) ? "SELECT * FROM $table WHERE itemnumber = ?" :
478 ($table eq 'reserves' ) ? "SELECT * FROM $table WHERE borrowernumber = ? and biblionumber = ?" :
479 ($table eq 'borrowers' ) ? "SELECT * FROM $table WHERE borrowernumber = ?" :
480 ($table eq 'branches' ) ? "SELECT * FROM $table WHERE branchcode = ?" :
481 ($table eq 'aqbooksellers') ? "SELECT * FROM $table WHERE id = ?" : undef ;
483 warn "ERROR: No parseletter_sth query for table '$table'";
484 return; # nothing to get
486 unless ($handles{$table} = C4::Context->dbh->prepare($query)) {
487 warn "ERROR: Failed to prepare query: '$query'";
490 return $handles{$table}; # now cache is populated for that $table
494 my ( $letter, $table, $pk, $pk2 ) = @_;
496 carp "ERROR: parseletter() 1st argument 'letter' empty";
499 # warn "Parseletter : ($letter, $table, $pk ...)";
500 my $sth = parseletter_sth($table);
502 warn "parseletter_sth('$table') failed to return a valid sth. No substitution will be done for that table.";
506 $sth->execute($pk, $pk2);
511 my $values = $sth->fetchrow_hashref;
513 # and get all fields from the table
514 my $columns = C4::Context->dbh->prepare("SHOW COLUMNS FROM $table");
516 while ( ( my $field ) = $columns->fetchrow_array ) {
517 my $replacefield = "<<$table.$field>>";
518 my $replacedby = $values->{$field} || '';
519 ($letter->{title} ) and $letter->{title} =~ s/$replacefield/$replacedby/g;
520 ($letter->{content}) and $letter->{content} =~ s/$replacefield/$replacedby/g;
528 my $success = EnqueueLetter( { letter => $letter, borrowernumber => '12', message_transport_type => 'email' } )
530 places a letter in the message_queue database table, which will
531 eventually get processed (sent) by the process_message_queue.pl
532 cronjob when it calls SendQueuedMessages.
534 return true on success
540 sub EnqueueLetter ($) {
541 my $params = shift or return undef;
543 return unless exists $params->{'letter'};
544 return unless exists $params->{'borrowernumber'};
545 return unless exists $params->{'message_transport_type'};
547 # If we have any attachments we should encode then into the body.
548 if ( $params->{'attachments'} ) {
549 $params->{'letter'} = _add_attachments(
550 { letter => $params->{'letter'},
551 attachments => $params->{'attachments'},
552 message => MIME::Lite->new( Type => 'multipart/mixed' ),
557 my $dbh = C4::Context->dbh();
558 my $statement = << 'ENDSQL';
559 INSERT INTO message_queue
560 ( borrowernumber, subject, content, metadata, letter_code, message_transport_type, status, time_queued, to_address, from_address, content_type )
562 ( ?, ?, ?, ?, ?, ?, ?, NOW(), ?, ?, ? )
565 my $sth = $dbh->prepare($statement);
566 my $result = $sth->execute(
567 $params->{'borrowernumber'}, # borrowernumber
568 $params->{'letter'}->{'title'}, # subject
569 $params->{'letter'}->{'content'}, # content
570 $params->{'letter'}->{'metadata'} || '', # metadata
571 $params->{'letter'}->{'code'} || '', # letter_code
572 $params->{'message_transport_type'}, # message_transport_type
574 $params->{'to_address'}, # to_address
575 $params->{'from_address'}, # from_address
576 $params->{'letter'}->{'content-type'}, # content_type
581 =head2 SendQueuedMessages ([$hashref])
585 sends all of the 'pending' items in the message queue.
587 my $sent = SendQueuedMessages( { verbose => 1 } );
589 returns number of messages sent.
595 sub SendQueuedMessages (;$) {
598 my $unsent_messages = _get_unsent_messages();
599 MESSAGE: foreach my $message ( @$unsent_messages ) {
600 # warn Data::Dumper->Dump( [ $message ], [ 'message' ] );
601 warn sprintf( 'sending %s message to patron: %s',
602 $message->{'message_transport_type'},
603 $message->{'borrowernumber'} || 'Admin' )
604 if $params->{'verbose'} or $debug;
605 # This is just begging for subclassing
606 next MESSAGE if ( lc($message->{'message_transport_type'}) eq 'rss' );
607 if ( lc( $message->{'message_transport_type'} ) eq 'email' ) {
608 _send_message_by_email( $message );
610 if ( lc( $message->{'message_transport_type'} ) eq 'sms' ) {
611 _send_message_by_sms( $message );
614 return scalar( @$unsent_messages );
617 =head2 GetRSSMessages
621 my $message_list = GetRSSMessages( { limit => 10, borrowernumber => '14' } )
623 returns a listref of all queued RSS messages for a particular person.
632 return unless $params;
633 return unless ref $params;
634 return unless $params->{'borrowernumber'};
636 return _get_unsent_messages( { message_transport_type => 'rss',
637 limit => $params->{'limit'},
638 borrowernumber => $params->{'borrowernumber'}, } );
641 =head2 GetQueuedMessages ([$hashref])
645 my $messages = GetQueuedMessage( { borrowernumber => '123', limit => 20 } );
647 fetches messages out of the message queue.
650 list of hashes, each has represents a message in the message queue.
656 sub GetQueuedMessages {
659 my $dbh = C4::Context->dbh();
660 my $statement = << 'ENDSQL';
661 SELECT message_id, borrowernumber, subject, content, message_transport_type, status, time_queued
667 if ( exists $params->{'borrowernumber'} ) {
668 push @whereclauses, ' borrowernumber = ? ';
669 push @query_params, $params->{'borrowernumber'};
672 if ( @whereclauses ) {
673 $statement .= ' WHERE ' . join( 'AND', @whereclauses );
676 if ( defined $params->{'limit'} ) {
677 $statement .= ' LIMIT ? ';
678 push @query_params, $params->{'limit'};
681 my $sth = $dbh->prepare( $statement );
682 my $result = $sth->execute( @query_params );
683 return $sth->fetchall_arrayref({});
686 =head2 _add_attachements
689 letter - the standard letter hashref
690 attachments - listref of attachments. each attachment is a hashref of:
691 type - the mime type, like 'text/plain'
692 content - the actual attachment
693 filename - the name of the attachment.
694 message - a MIME::Lite object to attach these to.
696 returns your letter object, with the content updated.
700 sub _add_attachments {
703 return unless 'HASH' eq ref $params;
704 foreach my $required_parameter (qw( letter attachments message )) {
705 return unless exists $params->{$required_parameter};
707 return $params->{'letter'} unless @{ $params->{'attachments'} };
709 # First, we have to put the body in as the first attachment
710 $params->{'message'}->attach(
712 Data => $params->{'letter'}->{'content'},
715 foreach my $attachment ( @{ $params->{'attachments'} } ) {
716 $params->{'message'}->attach(
717 Type => $attachment->{'type'},
718 Data => $attachment->{'content'},
719 Filename => $attachment->{'filename'},
722 # we're forcing list context here to get the header, not the count back from grep.
723 ( $params->{'letter'}->{'content-type'} ) = grep( /^Content-Type:/, split( /\n/, $params->{'message'}->header_as_string ) );
724 $params->{'letter'}->{'content-type'} =~ s/^Content-Type:\s+//;
725 $params->{'letter'}->{'content'} = $params->{'message'}->body_as_string;
727 return $params->{'letter'};
731 sub _get_unsent_messages (;$) {
734 my $dbh = C4::Context->dbh();
735 my $statement = << 'ENDSQL';
736 SELECT message_id, borrowernumber, subject, content, message_transport_type, status, time_queued, from_address, to_address, content_type
741 my @query_params = ('pending');
743 if ( $params->{'message_transport_type'} ) {
744 $statement .= ' AND message_transport_type = ? ';
745 push @query_params, $params->{'message_transport_type'};
747 if ( $params->{'borrowernumber'} ) {
748 $statement .= ' AND borrowernumber = ? ';
749 push @query_params, $params->{'borrowernumber'};
751 if ( $params->{'limit'} ) {
752 $statement .= ' limit ? ';
753 push @query_params, $params->{'limit'};
756 $debug and warn "_get_unsent_messages SQL: $statement";
757 $debug and warn "_get_unsent_messages params: " . join(',',@query_params);
758 my $sth = $dbh->prepare( $statement );
759 my $result = $sth->execute( @query_params );
760 return $sth->fetchall_arrayref({});
763 sub _send_message_by_email ($) {
764 my $message = shift or return undef;
766 my $member = C4::Members::GetMember( $message->{'borrowernumber'} );
767 return unless $message->{'to_address'} or $member->{'email'};
769 my $content = encode('utf8', $message->{'content'});
770 my %sendmail_params = (
771 To => $message->{'to_address'} || $member->{'email'},
772 From => $message->{'from_address'} || C4::Context->preference('KohaAdminEmailAddress'),
773 Subject => $message->{'subject'},
777 if ($message->{'content_type'}) {
778 $sendmail_params{'content-type'} = $message->{'content_type'};
780 $sendmail_params{'content-type'} = 'text/plain; charset="UTF-8"';
783 my $success = sendmail( %sendmail_params );
786 # warn "Sendmail OK. Log says: " . $Mail::Sendmail::log;
787 _set_message_status( { message_id => $message->{'message_id'},
788 status => 'sent' } );
791 # warn "Mail::Sendmail::error - " . $Mail::Sendmail::error;
792 # warn "Mail::Sendmail::log - " . $Mail::Sendmail::log;
793 _set_message_status( { message_id => $message->{'message_id'},
794 status => 'failed' } );
799 sub _send_message_by_sms ($) {
800 my $message = shift or return undef;
801 my $member = C4::Members::GetMember( $message->{'borrowernumber'} );
802 return unless $member->{'smsalertnumber'};
804 my $success = C4::SMS->send_sms( { destination => $member->{'smsalertnumber'},
805 message => $message->{'content'},
807 _set_message_status( { message_id => $message->{'message_id'},
808 status => ($success ? 'sent' : 'failed') } );
812 sub _set_message_status ($) {
813 my $params = shift or return undef;
815 foreach my $required_parameter ( qw( message_id status ) ) {
816 return undef unless exists $params->{ $required_parameter };
819 my $dbh = C4::Context->dbh();
820 my $statement = 'UPDATE message_queue SET status= ? WHERE message_id = ?';
821 my $sth = $dbh->prepare( $statement );
822 my $result = $sth->execute( $params->{'status'},
823 $params->{'message_id'} );