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package C4::Log;
#package to deal with Logging Actions in DB
# Copyright 2000-2002 Katipo Communications
#
# This file is part of Koha.
#
# Koha is free software; you can redistribute it and/or modify it under the
# terms of the GNU General Public License as published by the Free Software
# Foundation; either version 2 of the License, or (at your option) any later
# version.
#
# Koha is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along with
# Koha; if not, write to the Free Software Foundation, Inc., 59 Temple Place,
# Suite 330, Boston, MA 02111-1307 USA
use strict;
use warnings;
use Koha;
use C4::Context;
use C4::Dates qw(format_date);
use vars qw($VERSION @ISA @EXPORT);
BEGIN {
# set the version for version checking
$VERSION = 3.01;
require Exporter;
@ISA = qw(Exporter);
@EXPORT = qw(&logaction &GetLogStatus &displaylog &GetLogs);
}
=head1 NAME
C4::Log - Koha Log Facility functions
=head1 SYNOPSIS
use C4::Log;
=head1 DESCRIPTION
The functions in this module perform various functions in order to log all the operations done on the Database, including deleting and undeleting books, adding/editing members, etc.
=head1 FUNCTIONS
=over 2
=item logaction
&logaction($modulename, $actionname, $objectnumber, $infos);
Adds a record into action_logs table to report the different changes upon the database.
Each log entry includes the number of the user currently logged in. For batch
jobs, which operate without authenticating a user and setting up a session, the user
number is set to 0, which is the same as the superlibrarian's number.
=cut
#'
sub logaction {
my ($modulename, $actionname, $objectnumber, $infos)=@_;
# Get ID of logged in user. if called from a batch job,
# no user session exists and C4::Context->userenv() returns
# the scalar '0'.
my $userenv = C4::Context->userenv();
my $usernumber = (ref($userenv) eq 'HASH') ? $userenv->{'number'} : 0;
my $dbh = C4::Context->dbh;
my $sth=$dbh->prepare("Insert into action_logs (timestamp,user,module,action,object,info) values (now(),?,?,?,?,?)");
$sth->execute($usernumber,$modulename,$actionname,$objectnumber,$infos);
$sth->finish;
}
=item GetLogStatus
$status = GetLogStatus;
C<$status> is a hasref like this example:
$hash = {
BorrowersLog => 1,
CataloguingLog => 0,
IssueLog => 0,
...
}
=cut
#'
sub GetLogStatus {
my %hash;
$hash{BorrowersLog} = C4::Context->preference("BorrowersLog");
$hash{CataloguingLog} = C4::Context->preference("CataloguingLog");
$hash{IssueLog} = C4::Context->preference("IssueLog");
$hash{ReturnLog} = C4::Context->preference("ReturnLog");
$hash{SubscriptionLog} = C4::Context->preference("SubscriptionLog");
$hash{LetterLog} = C4::Context->preference("LetterLog");
$hash{FinesLog} = C4::Context->preference("FinesLog");
return \%hash;
}
=item displaylog
&displaylog($modulename, @filters);
$modulename is the name of the module on which the user wants to display logs
@filters is an optional table of hash containing :
- name : the name of the variable to filter
- value : the value of the filter.... May be with * joker
returns a table of hash containing who did what on which object at what time
=cut
#'
sub displaylog {
my ($modulename, @filters) = @_;
my $dbh = C4::Context->dbh;
my $strsth=qq|
SELECT action_logs.timestamp, action_logs.action, action_logs.info,
borrowers.cardnumber, borrowers.surname, borrowers.firstname, borrowers.userid,
biblio.biblionumber, biblio.title, biblio.author
FROM action_logs
LEFT JOIN borrowers ON borrowers.borrowernumber=action_logs.user
LEFT JOIN biblio ON action_logs.object=biblio.biblionumber
WHERE action_logs.module = 'cataloguing'
|;
my %filtermap = ();
if ($modulename eq "catalogue" or $modulename eq "acqui") {
%filtermap = (
user => 'borrowers.surname',
title => 'biblio.title',
author => 'biblio.author',
);
} elsif ($modulename eq "members") {
$strsth=qq|
SELECT action_logs.timestamp, action_logs.action, action_logs.info,
borrowers.cardnumber, borrowers.surname, borrowers.firstname, borrowers.userid,
bor2.cardnumber, bor2.surname, bor2.firstname, bor2.userid
FROM action_logs
LEFT JOIN borrowers ON borrowers.borrowernumber=action_logs.user
LEFT JOIN borrowers as bor2 ON action_logs.object=bor2.borrowernumber
WHERE action_logs.module = 'members'
|;
%filtermap = (
user => 'borrowers.surname',
surname => 'bor2.surname',
firstname => 'bor2.firstname',
cardnumber => 'bor2.cardnumber',
);
} else {
return 0;
}
if (@filters) {
foreach my $filter (@filters) {
my $tempname = $filter->{name} or next;
(grep {/^$tempname$/} keys %filtermap) or next;
$filter->{value} =~ s/\*/%/g;
$strsth .= " AND " . $filtermap{$tempname} . " LIKE " . $filter->{value};
}
}
my $sth=$dbh->prepare($strsth);
$sth->execute;
my @results;
my $count;
my $hilighted=1;
while (my $data = $sth->fetchrow_hashref){
$data->{hilighted} = ($hilighted>0);
$data->{info} =~ s/\n/<br\/>/g;
$data->{day} = format_date($data->{timestamp});
push @results, $data;
$count++;
$hilighted = -$hilighted;
}
return ($count, \@results);
}
=item GetLogs
$logs = GetLogs($datefrom,$dateto,$user,\@modules,$action,$object,$info);
Return:
C<$logs> is a ref to a hash which containts all columns from action_logs
=cut
sub GetLogs {
my $datefrom = shift;
my $dateto = shift;
my $user = shift;
my $modules = shift;
my $action = shift;
my $object = shift;
my $info = shift;
my $iso_datefrom = C4::Dates->new($datefrom,C4::Context->preference("dateformat"))->output('iso');
my $iso_dateto = C4::Dates->new($dateto,C4::Context->preference("dateformat"))->output('iso');
my $query = q{SELECT * FROM action_logs WHERE 1 };
my @parameters;
if ($iso_datefrom) {
$query .= q{ AND DATE_FORMAT(timestamp, '%Y-%m-%d') >= ? }; #fix me - mysql specific
push @parameters, $iso_datefrom;
}
if ($iso_dateto) {
$query .= q{ AND DATE_FORMAT(timestamp, '%Y-%m-%d') <= ? };
push @parameters, $iso_dateto;
}
if($user) {
$query .= ' AND user = ? ';
push(@parameters, $user);
}
if (@$modules && $modules->[0] ne '') {
$query .= sprintf ' AND (%s) ', join ' OR ', map {'module = ?'} (1..@$modules);
push @parameters, @$modules;
}
if($action) {
$query .= ' AND action = ? ';
push(@parameters, $action);
}
if($object) {
$query .= ' AND object = ? ';
push(@parameters, $object);
}
if($info) {
$query .= ' AND info LIKE ? ';
push(@parameters, "%$info%");
}
my $results = C4::Context->dbh->selectall_arrayref($query, {Slice => {}}, @parameters);
for (@$results) {
$_->{$_->{module}} = 1;
}
return $results;
}
1;
__END__
=back
=head1 AUTHOR
Koha Developement team <info@koha.org>
=cut
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