142 lines
3.8 KiB
Perl
Executable file
142 lines
3.8 KiB
Perl
Executable file
package C4::BookShelves; #asummes C4/BookShelves
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#
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# $Header$
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#
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#requires DBI.pm to be installed
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use strict;
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require Exporter;
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use DBI;
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use C4::Database;
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use C4::Circulation::Circ2;
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use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS);
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# set the version for version checking
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$VERSION = 0.01;
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@ISA = qw(Exporter);
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@EXPORT = qw(&GetShelfList &GetShelfContents &AddToShelf &RemoveFromShelf &AddShelf &RemoveShelf);
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%EXPORT_TAGS = ( ); # eg: TAG => [ qw!name1 name2! ],
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# your exported package globals go here,
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# as well as any optionally exported functions
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@EXPORT_OK = qw($Var1 %Hashit);
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# non-exported package globals go here
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use vars qw(@more $stuff);
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# initalize package globals, first exported ones
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my $Var1 = '';
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my %Hashit = ();
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# then the others (which are still accessible as $Some::Module::stuff)
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my $stuff = '';
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my @more = ();
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# all file-scoped lexicals must be created before
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# the functions below that use them.
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# file-private lexicals go here
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my $priv_var = '';
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my %secret_hash = ();
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# here's a file-private function as a closure,
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# callable as &$priv_func; it cannot be prototyped.
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my $priv_func = sub {
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# stuff goes here.
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};
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# make all your functions, whether exported or not;
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my $dbh=C4Connect();
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sub GetShelfList {
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my $sth=$dbh->prepare("select shelfnumber,shelfname from bookshelf");
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$sth->execute;
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my %shelflist;
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while (my ($shelfnumber, $shelfname) = $sth->fetchrow) {
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my $sti=$dbh->prepare("select count(*) from shelfcontents where shelfnumber=$shelfnumber");
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$sti->execute;
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my ($count) = $sti->fetchrow;
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$shelflist{$shelfnumber}->{'shelfname'}=$shelfname;
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$shelflist{$shelfnumber}->{'count'}=$count;
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}
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return(\%shelflist);
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}
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sub GetShelfContents {
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my ($env, $shelfnumber) = @_;
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my @itemlist;
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my $sth=$dbh->prepare("select itemnumber from shelfcontents where shelfnumber=$shelfnumber order by itemnumber");
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$sth->execute;
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while (my ($itemnumber) = $sth->fetchrow) {
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my ($item) = getiteminformation($env, $itemnumber, 0);
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push (@itemlist, $item);
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}
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return (\@itemlist);
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}
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sub AddToShelf {
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my ($env, $itemnumber, $shelfnumber) = @_;
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my $sth=$dbh->prepare("select * from shelfcontents where shelfnumber=$shelfnumber and itemnumber=$itemnumber");
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$sth->execute;
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if ($sth->rows) {
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# already on shelf
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} else {
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$sth=$dbh->prepare("insert into shelfcontents (shelfnumber, itemnumber, flags) values ($shelfnumber, $itemnumber, 0)");
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$sth->execute;
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}
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}
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sub RemoveFromShelf {
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my ($env, $itemnumber, $shelfnumber) = @_;
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my $sth=$dbh->prepare("delete from shelfcontents where shelfnumber=$shelfnumber and itemnumber=$itemnumber");
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$sth->execute;
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}
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sub AddShelf {
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my ($env, $shelfname) = @_;
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my $q_shelfname=$dbh->quote($shelfname);
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my $sth=$dbh->prepare("select * from bookshelf where shelfname=$q_shelfname");
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$sth->execute;
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if ($sth->rows) {
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return(1, "Shelf \"$shelfname\" already exists");
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} else {
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$sth=$dbh->prepare("insert into bookshelf (shelfname) values ($q_shelfname)");
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$sth->execute;
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return (0, "Done");
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}
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}
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sub RemoveShelf {
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my ($env, $shelfnumber) = @_;
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my $sth=$dbh->prepare("select count(*) from shelfcontents where shelfnumber=$shelfnumber");
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$sth->execute;
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my ($count)=$sth->fetchrow;
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if ($count) {
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return (1, "Shelf has $count items on it. Please remove all items before deleting this shelf.");
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} else {
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$sth=$dbh->prepare("delete from bookshelf where shelfnumber=$shelfnumber");
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$sth->execute;
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return (0, "Done");
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}
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}
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END { } # module clean-up code here (global destructor)
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#
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# $Log$
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# Revision 1.3 2002/07/02 17:48:06 tonnesen
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# Merged in updates from rel-1-2
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#
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# Revision 1.2.2.1 2002/06/26 20:46:48 tonnesen
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# Inserting some changes I made locally a while ago.
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#
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#
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