1 package C4::Members::Statistics;
3 # Copyright 2012 BibLibre
4 # This file is part of Koha.
6 # Koha is free software; you can redistribute it and/or modify it under the
7 # terms of the GNU General Public License as published by the Free Software
8 # Foundation; either version 2 of the License, or (at your option) any later
11 # Koha is distributed in the hope that it will be useful, but WITHOUT ANY
12 # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
13 # A PARTICULAR PURPOSE. See the GNU General Public License for more details.
15 # You should have received a copy of the GNU General Public License along
16 # with Koha; if not, write to the Free Software Foundation, Inc.,
17 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21 C4::Members::Statistics - Get statistics for patron checkouts
29 our ( @ISA, @EXPORT, @EXPORT_OK, $debug );
32 $debug = $ENV{DEBUG} || 0;
37 &GetTotalIssuesTodayByBorrower
38 &GetTotalIssuesReturnedTodayByBorrower
39 &GetPrecedentStateByBorrower
44 our $fields = get_fields();
47 my $r = C4::Context->preference('StatisticsFields') || 'location|itype|ccode';
48 unless ( $r =~ m/^(\w|\d|\||-)+$/) {
49 warn "Members/Statistics : Bad value for syspref StatisticsFields" if $debug;
50 $r = 'location|itype|ccode';
55 =head2 construct_query
56 Build a sql query from a subquery
57 Adds statistics fields to the select and the group by clause
62 my @select_fields = split '\|', $fields;
63 my $query = "SELECT COUNT(*) as count_$count,";
64 $query .= join ',', @select_fields;
66 $query .= " " . $subquery;
69 $query .= " GROUP BY $fields;";
75 =head2 GetTotalIssuesTodayByBorrower
76 Return total issues for a borrower at this current day
78 sub GetTotalIssuesTodayByBorrower {
79 my ($borrowernumber) = @_;
80 my $dbh = C4::Context->dbh;
82 my $query = construct_query "total_issues_today",
84 SELECT it.* FROM issues i, items it WHERE i.itemnumber = it.itemnumber AND i.borrowernumber = ? AND DATE(i.issuedate) = CAST(now() AS date)
86 SELECT it.* FROM old_issues oi, items it WHERE oi.itemnumber = it.itemnumber AND oi.borrowernumber = ? AND DATE(oi.issuedate) = CAST(now() AS date)
87 ) tmp"; # alias is required by MySQL
89 my $sth = $dbh->prepare($query);
90 $sth->execute($borrowernumber, $borrowernumber);
91 return $sth->fetchall_arrayref( {} );
94 =head2 GetTotalIssuesReturnedTodayByBorrower
95 Return total issues returned by a borrower at this current day
97 sub GetTotalIssuesReturnedTodayByBorrower {
98 my ($borrowernumber) = @_;
99 my $dbh = C4::Context->dbh;
101 my $query = construct_query "total_issues_returned_today", "FROM old_issues i, items it WHERE i.itemnumber = it.itemnumber AND i.borrowernumber = ? AND DATE(i.returndate) = CAST(now() AS date) ";
103 my $sth = $dbh->prepare($query);
104 $sth->execute($borrowernumber);
105 return $sth->fetchall_arrayref( {} );
108 =head2 GetPrecedentStateByBorrower
109 Return the precedent state (before today) for a borrower of his checkins and checkouts
111 sub GetPrecedentStateByBorrower {
112 my ($borrowernumber) = @_;
113 my $dbh = C4::Context->dbh;
115 my $query = construct_query "precedent_state",
117 SELECT it.* FROM issues i, items it WHERE i.borrowernumber = ? AND i.itemnumber = it.itemnumber AND DATE(i.issuedate) < CAST(now() AS date)
119 SELECT it.* FROM old_issues oi, items it WHERE oi.borrowernumber = ? AND oi.itemnumber = it.itemnumber AND DATE(oi.issuedate) < CAST(now() AS date) AND DATE(oi.returndate) = CAST(now() AS date)
120 ) tmp"; # alias is required by MySQL
122 my $sth = $dbh->prepare($query);
123 $sth->execute($borrowernumber, $borrowernumber);
124 return $sth->fetchall_arrayref( {});