Koha/C4/Reserves2.pm
2002-09-04 22:51:39 +00:00

569 lines
21 KiB
Perl
Executable file

package C4::Reserves2; #assumes C4/Reserves2
# 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;
require Exporter;
use DBI;
use C4::Database;
use C4::Search;
#use C4::Accounts;
use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS);
# set the version for version checking
$VERSION = 0.01;
@ISA = qw(Exporter);
@EXPORT = qw(&FindReserves &CheckReserves &CheckWaiting &CancelReserve &FillReserve &ReserveWaiting &CreateReserve &updatereserves &getreservetitle &Findgroupreserve);
# make all your functions, whether exported or not;
sub FindReserves {
my ($bib,$bor)=@_;
my $dbh=C4Connect;
my $query="SELECT *,reserves.branchcode,biblio.title AS btitle
FROM reserves,borrowers,biblio ";
if ($bib ne ''){
$bib = $dbh->quote($bib);
if ($bor ne ''){
$bor = $dbh->quote($bor);
$query .= " where reserves.biblionumber = $bib
and borrowers.borrowernumber = $bor
and reserves.borrowernumber = borrowers.borrowernumber
and biblio.biblionumber = $bib
and cancellationdate is NULL
and (found <> 'F' or found is NULL)";
} else {
$query .= " where reserves.borrowernumber = borrowers.borrowernumber
and biblio.biblionumber = $bib
and reserves.biblionumber = $bib
and cancellationdate is NULL
and (found <> 'F' or found is NULL)";
}
} else {
$query .= " where borrowers.borrowernumber = $bor
and reserves.borrowernumber = borrowers.borrowernumber
and reserves.biblionumber = biblio.biblionumber
and cancellationdate is NULL and
(found <> 'F' or found is NULL)";
}
$query.=" order by priority";
my $sth=$dbh->prepare($query);
$sth->execute;
my $i=0;
my @results;
while (my $data=$sth->fetchrow_hashref){
if ($data->{'constrainttype'} eq 'o') {
my $conquery = "SELECT biblioitemnumber FROM reserveconstraints
WHERE biblionumber = ?
AND borrowernumber = ?
AND reservedate = ?";
my $csth=$dbh->prepare($conquery);
my $bibn = $data->{'biblionumber'};
my $born = $data->{'borrowernumber'};
my $resd = $data->{'reservedate'};
$csth->execute($bibn, $born, $resd);
my ($bibitemno) = $csth->fetchrow_array;
$csth->finish;
my $bdata = C4::Search::bibitemdata($bibitemno);
foreach my $key (keys %$bdata) {
$data->{$key} = $bdata->{$key};
}
}
$results[$i]=$data;
$i++;
}
# print $query;
$sth->finish;
$dbh->disconnect;
return($i,\@results);
}
sub CheckReserves {
my ($item, $barcode) = @_;
# warn "In CheckReserves: itemnumber = $item";
my $dbh=C4Connect;
my $sth;
if ($item) {
my $qitem=$dbh->quote($item);
# get the biblionumber...
$sth=$dbh->prepare("SELECT items.biblionumber, items.biblioitemnumber, itemtypes.notforloan
FROM items, biblioitems, itemtypes
WHERE items.biblioitemnumber = biblioitems.biblioitemnumber
AND biblioitems.itemtype = itemtypes.itemtype
AND itemnumber=$qitem");
} else {
my $qbc=$dbh->quote($barcode);
# get the biblionumber...
$sth=$dbh->prepare("SELECT items.biblionumber, items.biblioitemnumber, itemtypes.notforloan
FROM items, biblioitems, itemtypes
WHERE items.biblioitemnumber = biblioitems.biblioitemnumber
AND biblioitems.itemtype = itemtypes.itemtype
AND barcode=$qbc");
}
$sth->execute;
my ($biblio, $bibitem, $notforloan) = $sth->fetchrow_array;
$sth->finish;
$dbh->disconnect;
# if item is not for loan it cannot be reserved either.....
return (0, 0) if ($notforloan);
# get the reserves...
my ($count, @reserves) = Findgroupreserve($bibitem, $biblio);
my $priority = 10000000;
my $highest;
if ($count) {
foreach my $res (@reserves) {
if ($res->{'itemnumber'} == $item) {
return ("Waiting", $res);
} else {
if ($res->{'priority'} != 0 && $res->{'priority'} < $priority) {
$priority = $res->{'priority'};
$highest = $res;
}
}
}
}
if ($highest) {
$highest->{'itemnumber'} = $item;
return ("Reserved", $highest);
} else {
return (0, 0);
}
}
sub CancelReserve {
my ($biblio, $item, $borr) = @_;
my $dbh=C4Connect;
#warn "In CancelReserve";
if (($item and $borr) and (not $biblio)) {
# removing a waiting reserve record....
$item = $dbh->quote($item);
$borr = $dbh->quote($borr);
# update the database...
my $query = "update reserves set cancellationdate = now(),
found = Null,
priority = 0
where itemnumber = $item
and borrowernumber = $borr";
my $sth = $dbh->prepare($query);
$sth->execute;
$sth->finish;
}
if (($biblio and $borr) and (not $item)) {
# removing a reserve record....
my $q_biblio = $dbh->quote($biblio);
$borr = $dbh->quote($borr);
# get the prioritiy on this record....
my $query = "SELECT priority FROM reserves
WHERE biblionumber = $q_biblio
AND borrowernumber = $borr
AND cancellationdate is NULL
AND (found <> 'F' or found is NULL)";
my $sth=$dbh->prepare($query);
$sth->execute;
my ($priority) = $sth->fetchrow_array;
$sth->finish;
# update the database, removing the record...
my $query = "update reserves set cancellationdate = now(),
found = Null,
priority = 0
where biblionumber = $q_biblio
and borrowernumber = $borr
and cancellationdate is NULL
and (found <> 'F' or found is NULL)";
my $sth = $dbh->prepare($query);
$sth->execute;
$sth->finish;
# now fix the priority on the others....
fixpriority($priority, $biblio);
}
$dbh->disconnect;
}
sub FillReserve {
my ($res) = @_;
my $dbh=C4Connect;
# fillinf a reserve record....
my $biblio = $res->{'biblionumber'}; my $qbiblio = $dbh->quote($biblio);
my $borr = $res->{'borrowernumber'}; $borr = $dbh->quote($borr);
my $resdate = $res->{'reservedate'}; $resdate = $dbh->quote($resdate);
# get the prioritiy on this record....
my $query = "SELECT priority FROM reserves
WHERE biblionumber = $qbiblio
AND borrowernumber = $borr
AND reservedate = $resdate)";
my $sth=$dbh->prepare($query);
$sth->execute;
my ($priority) = $sth->fetchrow_array;
$sth->finish;
# update the database...
my $query = "UPDATE reserves SET found = 'F',
priority = 0
WHERE biblionumber = $qbiblio
AND reservedate = $resdate
AND borrowernumber = $borr";
my $sth = $dbh->prepare($query);
$sth->execute;
$sth->finish;
# now fix the priority on the others (if the priority wasnt already sorted!)....
unless ($priority == 0) {
fixpriority($priority, $biblio);
}
$dbh->disconnect;
}
sub fixpriority {
my ($priority, $biblio) = @_;
my $dbh = C4Connect;
my ($count, $reserves) = FindReserves($biblio);
foreach my $rec (@$reserves) {
if ($rec->{'priority'} > $priority) {
my $newpr = $rec->{'priority'}; $newpr = $dbh->quote($newpr - 1);
my $nbib = $rec->{'biblionumber'}; $nbib = $dbh->quote($nbib);
my $nbor = $rec->{'borrowernumber'}; $nbor = $dbh->quote($nbor);
my $nresd = $rec->{'reservedate'}; $nresd = $dbh->quote($nresd);
my $query = "UPDATE reserves SET priority = $newpr
WHERE biblionumber = $nbib
AND borrowernumber = $nbor
AND reservedate = $nresd";
#warn $query;
my $sth = $dbh->prepare($query);
$sth->execute;
$sth->finish;
}
}
$dbh->disconnect;
}
sub ReserveWaiting {
my ($item, $borr) = @_;
my $dbh = C4Connect;
$item = $dbh->quote($item);
$borr = $dbh->quote($borr);
# get priority and biblionumber....
my $query = "SELECT reserves.priority as priority,
reserves.biblionumber as biblionumber,
reserves.branchcode as branchcode,
reserves.timestamp as timestamp
FROM reserves,items
WHERE reserves.biblionumber = items.biblionumber
AND items.itemnumber = $item
AND reserves.borrowernumber = $borr
AND reserves.cancellationdate is NULL
AND (reserves.found <> 'F' or reserves.found is NULL)";
my $sth = $dbh->prepare($query);
$sth->execute;
my $data = $sth->fetchrow_hashref;
$sth->finish;
my $biblio = $data->{'biblionumber'};
my $timestamp = $data->{'timestamp'};
my $q_biblio = $dbh->quote($biblio);
my $q_timestamp = $dbh->quote($timestamp);
warn "Timestamp: ".$timestamp."\n";
# update reserves record....
$query = "UPDATE reserves SET priority = 0, found = 'W', itemnumber = $item
WHERE borrowernumber = $borr
AND biblionumber = $q_biblio
AND timestamp = $q_timestamp";
warn "Query: ".$query."\n";
$sth = $dbh->prepare($query);
$sth->execute;
$sth->finish;
$dbh->disconnect;
# now fix up the remaining priorities....
fixpriority($data->{'priority'}, $biblio);
my $branchcode = $data->{'branchcode'};
return $branchcode;
}
sub CheckWaiting {
my ($borr)=@_;
my $dbh = C4Connect;
$borr = $dbh->quote($borr);
my @itemswaiting;
my $query = "SELECT * FROM reserves
WHERE borrowernumber = $borr
AND reserves.found = 'W'
AND cancellationdate is NULL";
my $sth = $dbh->prepare($query);
$sth->execute();
my $cnt=0;
if (my $data=$sth->fetchrow_hashref) {
@itemswaiting[$cnt] =$data;
$cnt ++;
}
$sth->finish;
return ($cnt,\@itemswaiting);
}
sub Findgroupreserve {
my ($bibitem,$biblio)=@_;
my $dbh=C4Connect;
$bibitem=$dbh->quote($bibitem);
my $query = "SELECT reserves.biblionumber AS biblionumber,
reserves.borrowernumber AS borrowernumber,
reserves.reservedate AS reservedate,
reserves.branchcode AS branchcode,
reserves.cancellationdate AS cancellationdate,
reserves.found AS found,
reserves.reservenotes AS reservenotes,
reserves.priority AS priority,
reserves.timestamp AS timestamp,
reserveconstraints.biblioitemnumber AS biblioitemnumber,
reserves.itemnumber AS itemnumber
FROM reserves LEFT JOIN reserveconstraints
ON reserves.biblionumber = reserveconstraints.biblionumber
WHERE reserves.biblionumber = $biblio
AND ( ( reserveconstraints.biblioitemnumber = $bibitem
AND reserves.borrowernumber = reserveconstraints.borrowernumber
AND reserves.reservedate =reserveconstraints.reservedate )
OR reserves.constrainttype='a' )
AND reserves.cancellationdate is NULL
AND (reserves.found <> 'F' or reserves.found is NULL)";
my $sth=$dbh->prepare($query);
$sth->execute;
my $i=0;
my @results;
while (my $data=$sth->fetchrow_hashref){
$results[$i]=$data;
$i++;
}
$sth->finish;
$dbh->disconnect;
return($i,@results);
}
sub CreateReserve {
my
($env,$branch,$borrnum,$biblionumber,$constraint,$bibitems,$priority,$notes,$title)= @_;
my $fee=CalcReserveFee($env,$borrnum,$biblionumber,$constraint,$bibitems);
my $dbh = &C4Connect;
my $const = lc substr($constraint,0,1);
my @datearr = localtime(time);
my $resdate =(1900+$datearr[5])."-".($datearr[4]+1)."-".$datearr[3];
#eval {
# updates take place here
if ($fee > 0) {
# print $fee;
my $nextacctno = &getnextacctno($env,$borrnum,$dbh);
my $updquery = "insert into accountlines
(borrowernumber,accountno,date,amount,description,accounttype,amountoutstanding)
values
($borrnum,$nextacctno,now(),$fee,'Reserve Charge - $title','Res',$fee)";
my $usth = $dbh->prepare($updquery);
$usth->execute;
$usth->finish;
}
#if ($const eq 'a'){
my $query="insert into reserves
(borrowernumber,biblionumber,reservedate,branchcode,constrainttype,priority,reservenotes)
values
('$borrnum','$biblionumber','$resdate','$branch','$const','$priority','$notes')";
my $sth = $dbh->prepare($query);
$sth->execute();
$sth->finish;
#}
if (($const eq "o") || ($const eq "e")) {
my $numitems = @$bibitems;
my $i = 0;
while ($i < $numitems) {
my $biblioitem = @$bibitems[$i];
my $query = "insert into
reserveconstraints
(borrowernumber,biblionumber,reservedate,biblioitemnumber)
values
('$borrnum','$biblionumber','$resdate','$biblioitem')";
my $sth = $dbh->prepare($query);
$sth->execute();
$sth->finish;
$i++;
}
}
# print $query;
$dbh->disconnect();
return();
}
sub CalcReserveFee {
my ($env,$borrnum,$biblionumber,$constraint,$bibitems) = @_;
#check for issues;
my $dbh = &C4Connect;
my $const = lc substr($constraint,0,1);
my $query = "SELECT * FROM borrowers,categories
WHERE (borrowernumber = ?)
AND (borrowers.categorycode = categories.categorycode)";
my $sth = $dbh->prepare($query);
$sth->execute($borrnum);
my $data = $sth->fetchrow_hashref;
$sth->finish();
my $fee = $data->{'reservefee'};
my $cntitems = @->$bibitems;
if ($fee > 0) {
# check for items on issue
# first find biblioitem records
my @biblioitems;
my $query1 = "SELECT * FROM biblio,biblioitems
WHERE (biblio.biblionumber = ?)
AND (biblio.biblionumber = biblioitems.biblionumber)";
my $sth1 = $dbh->prepare($query1);
$sth1->execute($biblionumber);
while (my $data1=$sth1->fetchrow_hashref) {
if ($const eq "a") {
push @biblioitems,$data1;
} else {
my $found = 0;
my $x = 0;
while ($x < $cntitems) {
if (@$bibitems->{'biblioitemnumber'} == $data->{'biblioitemnumber'}) {
$found = 1;
}
$x++;
}
if ($const eq 'o') {
if ( $found == 1) {
push @biblioitems,$data1;
}
} else {
if ($found == 0) {
push @biblioitems,$data1;
}
}
}
}
$sth1->finish;
my $cntitemsfound = @biblioitems;
my $issues = 0;
my $x = 0;
my $allissued = 1;
while ($x < $cntitemsfound) {
my $bitdata = $biblioitems[$x];
my $query2 = "SELECT * FROM items
WHERE biblioitemnumber = ?";
my $sth2 = $dbh->prepare($query2);
$sth2->execute($bitdata->{'biblioitemnumber'});
while (my $itdata=$sth2->fetchrow_hashref) {
my $query3 = "SELECT * FROM issues
WHERE itemnumber = ?
AND returndate IS NULL";
my $sth3 = $dbh->prepare($query3);
$sth3->execute($itdata->{'itemnumber'});
if (my $isdata=$sth3->fetchrow_hashref) {
} else {
$allissued = 0;
}
}
$x++;
}
if ($allissued == 0) {
my $rquery = "SELECT * FROM reserves WHERE biblionumber = ?";
my $rsth = $dbh->prepare($rquery);
$rsth->execute($biblionumber);
if (my $rdata = $rsth->fetchrow_hashref) {
} else {
$fee = 0;
}
}
}
# print "fee $fee";
$dbh->disconnect();
return $fee;
}
sub getnextacctno {
my ($env,$bornumber,$dbh)=@_;
my $nextaccntno = 1;
my $query = "select * from accountlines
where (borrowernumber = '$bornumber')
order by accountno desc";
my $sth = $dbh->prepare($query);
$sth->execute;
if (my $accdata=$sth->fetchrow_hashref){
$nextaccntno = $accdata->{'accountno'} + 1;
}
$sth->finish;
return($nextaccntno);
}
sub updatereserves{
#subroutine to update a reserve
my ($rank,$biblio,$borrower,$del,$branch)=@_;
my $dbh=C4Connect;
my $query="Update reserves ";
if ($del ==0){
$query.="set priority='$rank',branchcode='$branch' where
biblionumber=$biblio and borrowernumber=$borrower";
} else {
$query="Select * from reserves where biblionumber=$biblio and
borrowernumber=$borrower";
my $sth=$dbh->prepare($query);
$sth->execute;
my $data=$sth->fetchrow_hashref;
$sth->finish;
$query="Select * from reserves where biblionumber=$biblio and
priority > '$data->{'priority'}' and cancellationdate is NULL
order by priority";
my $sth2=$dbh->prepare($query) || die $dbh->errstr;
$sth2->execute || die $sth2->errstr;
while (my $data=$sth2->fetchrow_hashref){
$data->{'priority'}--;
$query="Update reserves set priority=$data->{'priority'} where
biblionumber=$data->{'biblionumber'} and
borrowernumber=$data->{'borrowernumber'}";
my $sth3=$dbh->prepare($query);
$sth3->execute || die $sth3->errstr;
$sth3->finish;
}
$sth2->finish;
$query="update reserves set cancellationdate=now() where biblionumber=$biblio
and borrowernumber=$borrower";
}
my $sth=$dbh->prepare($query);
$sth->execute;
$sth->finish;
$dbh->disconnect;
}
sub getreservetitle {
my ($biblio,$bor,$date,$timestamp)=@_;
my $dbh=C4Connect;
my $query="Select * from reserveconstraints,biblioitems where
reserveconstraints.biblioitemnumber=biblioitems.biblioitemnumber
and reserveconstraints.biblionumber=$biblio and reserveconstraints.borrowernumber
= $bor and reserveconstraints.reservedate='$date' and
reserveconstraints.timestamp=$timestamp";
my $sth=$dbh->prepare($query);
$sth->execute;
my $data=$sth->fetchrow_hashref;
$sth->finish;
$dbh->disconnect;
# print $query;
return($data);
}
END { } # module clean-up code here (global destructor)