C4/Log.pm

   1 package C4::Log; #assumes C4/Log
   2
   3 #package to deal with Logging Actions in DB
   4
   5
   6 # Copyright 2000-2002 Katipo Communications
   7 #
   8 # This file is part of Koha.
   9 #
  10 # Koha is free software; you can redistribute it and/or modify it under the
  11 # terms of the GNU General Public License as published by the Free Software
  12 # Foundation; either version 2 of the License, or (at your option) any later
  13 # version.
  14 #
  15 # Koha is distributed in the hope that it will be useful, but WITHOUT ANY
  16 # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
  17 # A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
  18 #
  19 # You should have received a copy of the GNU General Public License along with
  20 # Koha; if not, write to the Free Software Foundation, Inc., 59 Temple Place,
  21 # Suite 330, Boston, MA  02111-1307 USA
  22
  23 use strict;
  24 use C4::Context;
  25
  26 require Exporter;
  27
  28 use vars qw($VERSION @ISA @EXPORT);
  29
  30 # set the version for version checking
  31 $VERSION = 0.01;
  32
  33 =head1 NAME
  34
  35 C4::Log - Koha Log Facility functions
  36
  37 =head1 SYNOPSIS
  38
  39   use C4::Log;
  40
  41 =head1 DESCRIPTION
  42
  43 The functions in this module perform various functions in order to log all the operations done on the Database, including deleting and undeleting books, adding/editing members, etc.
  44
  45 =head1 FUNCTIONS
  46
  47 =over 2
  48
  49 =cut
  50
  51 @ISA = qw(Exporter);
  52 @EXPORT = qw(&logaction &logstatus &displaylog);
  53
  54 =item logaction
  55
  56   &logaction($usernumber, $modulename, $actionname, $infos);
  57
  58 Adds a record into action_logs table to report the different changes upon the database
  59
  60 =cut
  61 #'
  62 sub logaction{
  63   my ($usernumber,$modulename, $actionname, $objectnumber, $infos)=@_;
  64         my $dbh = C4::Context->dbh;
  65         my $sth=$dbh->prepare("Insert into action_logs (timestamp,user,module,action,object,info) values (now(),?,?,?,?,?)");
  66         $sth->execute($usernumber,$modulename,$actionname,$objectnumber,$infos);
  67         $sth->finish;
  68 }
  69
  70 =item logstatus
  71
  72   &logstatus;
  73
  74 returns True If Activate_Log variable is equal to On
  75 Activate_Log is a system preference Variable
  76 =cut
  77 #'
  78 sub logstatus{
  79         return C4::Context->preference("Activate_Log");
  80 }
  81
  82 =item displaylog
  83
  84   &displaylog($modulename, @filters);
  85   $modulename is the name of the module on which the user wants to display logs
  86   @filters is an optional table of hash containing :
  87         - name : the name of the variable to filter
  88         - value : the value of the filter.... May be with * joker
  89
  90 returns a table of hash containing who did what on which object at what time
  91
  92 =cut
  93 #'
  94 sub displaylog{
  95   my ($modulename, @filters)=@_;
  96         my $dbh = C4::Context->dbh;
  97         my $strsth;
  98         if ($modulename eq "catalogue"){
  99                 $strsth="select action_logs.timestamp, action_logs.action, action_logs.info, borrowers.cardnumber, borrowers.surname, borrowers.firstname, borrowers.userid,";
 100                 $strsth .= "biblio.biblionumber, biblio.title, biblio.author" ;#if ($modulename eq "acqui.simple");
 101                 $strsth .= " FROM borrowers,action_logs ";
 102                 $strsth .= ",biblio " ;#if ($modulename eq "acqui.simple");
 103
 104                 $strsth .=" WHERE borrowers.borrowernumber=action_logs.user";
 105                 $strsth .=" AND action_logs.module = 'acqui.simple' AND action_logs.object=biblio.biblionumber ";# if ($modulename eq "acqui.simple");
 106                 if (@filters){
 107                         foreach my $filter (@filters){
 108                                 if ($filter->{name} =~ /user/){
 109                                         $filter->{value}=~s/\*/%/g;
 110                                         $strsth .= " AND borrowers.surname like ".$filter->{value};
 111                                 }elsif ($filter->{name} =~ /title/){
 112                                         $filter->{value}=~s/\*/%/g;
 113                                         $strsth .= " AND biblio.title like ".$filter->{value};
 114                                 }elsif ($filter->{name} =~ /author/){
 115                                         $filter->{value}=~s/\*/%/g;
 116                                         $strsth .= " AND biblio.author like ".$filter->{value};
 117                                 }
 118                         }
 119                 }
 120         } elsif ($modulename eq "acqui")  {
 121                 $strsth="select action_logs.timestamp, action_logs.action, action_logs.info, borrowers.cardnumber, borrowers.surname, borrowers.firstname, borrowers.userid,";
 122                 $strsth .= "biblio.biblionumber, biblio.title, biblio.author" ;#if ($modulename eq "acqui.simple");
 123                 $strsth .= "FROM borrowers,action_logs ";
 124                 $strsth .= ",biblio " ;#if ($modulename eq "acqui.simple");
 125
 126                 $strsth .=" WHERE borrowers.borrowernumber=action_logs.user";
 127                 $strsth .= "AND action_logs.module = 'acqui.simple' AND action_logs.object=biblio.biblionumber ";# if ($modulename eq "acqui.simple");
 128                 if (@filters){
 129                         foreach my $filter (@filters){
 130                                 if ($filter->{name} =~ /user/){
 131                                         $filter->{value}=~s/\*/%/g;
 132                                         $strsth .= " AND borrowers.surname like ".$filter->{value};
 133                                 }elsif ($filter->{name} =~ /title/){
 134                                         $filter->{value}=~s/\*/%/g;
 135                                         $strsth .= " AND biblio.title like ".$filter->{value};
 136                                 }elsif ($filter->{name} =~ /author/){
 137                                         $filter->{value}=~s/\*/%/g;
 138                                         $strsth .= " AND biblio.author like ".$filter->{value};
 139                                 }
 140                         }
 141                 }
 142         } elsif ($modulename eq "members"){
 143                 $strsth="select action_logs.timestamp, action_logs.action, action_logs.info, borrowers.cardnumber, borrowers.surname, borrowers.firstname, borrowers.userid,";
 144                 $strsth .= "bor2.cardnumber, bor2.surname, bor2.firstname, bor2.userid,";
 145                 $strsth .= "FROM borrowers,action_logs,borrowers as bor2 ";
 146
 147                 $strsth .=" WHERE borrowers.borrowernumber=action_logs.user";
 148                 $strsth .= "AND action_logs.module = 'members' AND action_logs.object=bor2.borrowernumber ";# if ($modulename eq "acqui.simple");
 149                 if (@filters){
 150                         foreach my $filter (@filters){
 151                                 if ($filter->{name} =~ /user/){
 152                                         $filter->{value}=~s/\*/%/g;
 153                                         $strsth .= " AND borrowers.surname like ".$filter->{value};
 154                                 }elsif ($filter->{name} =~ /surname/){
 155                                         $filter->{value}=~s/\*/%/g;
 156                                         $strsth .= " AND bor2.surname like ".$filter->{value};
 157                                 }elsif ($filter->{name} =~ /firstname/){
 158                                         $filter->{value}=~s/\*/%/g;
 159                                         $strsth .= " AND bor2.firsntame like ".$filter->{value};
 160                                 }elsif ($filter->{name} =~ /cardnumber/){
 161                                         $filter->{value}=~s/\*/%/g;
 162                                         $strsth .= " AND bor2.cardnumber like ".$filter->{value};
 163                                 }
 164                         }
 165                 }
 166         }
 167         warn "displaylog :".$strsth;
 168         if ($strsth){
 169                 my $sth=$dbh->prepare($strsth);
 170                 $sth->execute;
 171                 my @results;
 172                 my $count;
 173                 my $hilighted=1;
 174                 while (my $data = $sth->fetchrow_hashref){
 175                         $data->{hilighted} = ($hilighted>0);
 176                         push @results, $data;
 177                         $count++;
 178                         $hilighted = -$hilighted;
 179                 }
 180                 return ($count, \@results);
 181         } else {return 0;}
 182 }
 183 END { }       # module clean-up code here (global destructor)
 184
 185 1;
 186 __END__
 187
 188 =back
 189
 190 =head1 AUTHOR
 191
 192 Koha Developement team <info@koha.org>
 193
 194 =cut