+=item _koha_notify_reserve
+
+=over 4
+
+_koha_notify_reserve( $itemnumber, $borrowernumber, $biblionumber );
+
+=back
+
+Sends a notification to the patron that their hold has been filled (through
+ModReserveAffect, _not_ ModReserveFill)
+
+=cut
+
+sub _koha_notify_reserve {
+ my ($itemnumber, $borrowernumber, $biblionumber) = @_;
+
+ my $dbh = C4::Context->dbh;
+ my $messagingprefs = C4::Members::Messaging::GetMessagingPreferences( { borrowernumber => $borrowernumber, message_name => 'Hold Filled' } );
+
+ return if ( !defined( $messagingprefs->{'letter_code'} ) );
+
+ my $sth = $dbh->prepare("
+ SELECT *
+ FROM reserves
+ WHERE borrowernumber = ?
+ AND biblionumber = ?
+ ");
+ $sth->execute( $borrowernumber, $biblionumber );
+ my $reserve = $sth->fetchrow_hashref;
+ my $branch_details = GetBranchDetail( $reserve->{'branchcode'} );
+
+ my $admin_email_address = $branch_details->{'branchemail'} || C4::Context->preference('KohaAdminEmailAddress');
+
+ my $letter = getletter( 'reserves', $messagingprefs->{'letter_code'} );
+
+ C4::Letters::parseletter( $letter, 'branches', $reserve->{'branchcode'} );
+ C4::Letters::parseletter( $letter, 'borrowers', $reserve->{'borrowernumber'} );
+ C4::Letters::parseletter( $letter, 'biblio', $reserve->{'biblionumber'} );
+ C4::Letters::parseletter( $letter, 'reserves', $reserve->{'borrowernumber'}, $reserve->{'biblionumber'} );
+
+ if ( $reserve->{'itemnumber'} ) {
+ C4::Letters::parseletter( $letter, 'items', $reserve->{'itemnumber'} );
+ }
+ $letter->{'content'} =~ s/<<[a-z0-9_]+\.[a-z0-9]+>>//g; #remove any stragglers
+
+ if ( -1 != firstidx { $_ eq 'email' } @{$messagingprefs->{transports}} ) {
+ # aka, 'email' in ->{'transports'}
+ C4::Letters::EnqueueLetter(
+ { letter => $letter,
+ borrowernumber => $borrowernumber,
+ message_transport_type => 'email',
+ from_address => $admin_email_address,
+ }
+ );
+ }
+
+ if ( -1 != firstidx { $_ eq 'sms' } @{$messagingprefs->{transports}} ) {
+ C4::Letters::EnqueueLetter(
+ { letter => $letter,
+ borrowernumber => $borrowernumber,
+ message_transport_type => 'sms',
+ }
+ );
+ }
+}
+