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package FS::inventory_class;
use base qw(FS::Record);
use strict;
use FS::Record qw( dbh ); # qsearch qsearchs dbh );
=head1 NAME
FS::inventory_class - Object methods for inventory_class records
=head1 SYNOPSIS
use FS::inventory_class;
$record = new FS::inventory_class \%hash;
$record = new FS::inventory_class { 'column' => 'value' };
$error = $record->insert;
$error = $new_record->replace($old_record);
$error = $record->delete;
$error = $record->check;
=head1 DESCRIPTION
An FS::inventory_class object represents a class of inventory, such as "DID
numbers" or "physical equipment serials". FS::inventory_class inherits from
FS::Record. The following fields are currently supported:
=over 4
=item classnum - primary key
=item classname - Name of this class
=back
=head1 METHODS
=over 4
=item new HASHREF
Creates a new inventory class. To add the class to the database, see
L<"insert">.
Note that this stores the hash reference, not a distinct copy of the hash it
points to. You can ask the object for a copy with the I<hash> method.
=cut
# the new method can be inherited from FS::Record, if a table method is defined
sub table { 'inventory_class'; }
=item insert
Adds this record to the database. If there is an error, returns the error,
otherwise returns false.
=cut
# the insert method can be inherited from FS::Record
=item delete
Delete this record from the database.
=cut
# the delete method can be inherited from FS::Record
=item replace OLD_RECORD
Replaces the OLD_RECORD with this one in the database. If there is an error,
returns the error, otherwise returns false.
=cut
# the replace method can be inherited from FS::Record
=item check
Checks all fields to make sure this is a valid inventory class. If there is
an error, returns the error, otherwise returns false. Called by the insert
and replace methods.
=cut
# the check method should currently be supplied - FS::Record contains some
# data checking routines
sub check {
my $self = shift;
my $error =
$self->ut_numbern('classnum')
|| $self->ut_textn('classname')
;
return $error if $error;
$self->SUPER::check;
}
=item num_avail
Returns the number of available (unused/unallocated) inventory items of this
class (see L<FS::inventory_item>).
=cut
sub num_avail {
my( $self, $sql ) = @_;
$sql .= ' AND ' if length($sql);
$sql .= '( svcnum IS NULL OR svcnum = 0 )';
$self->num_sql($sql);
}
sub num_sql {
my( $self, $sql ) = @_;
$sql = "AND $sql" if length($sql);
my $agentnums_sql = $FS::CurrentUser::CurrentUser->agentnums_sql(
'null' => 1,
'table' => 'inventory_item',
);
my $st = "SELECT COUNT(*) FROM inventory_item ".
" WHERE classnum = ? AND $agentnums_sql $sql";
my $sth = dbh->prepare($st) or die dbh->errstr. " preparing $st";
$sth->execute($self->classnum) or die $sth->errstr. " executing $st";
$sth->fetchrow_arrayref->[0];
}
=item num_used
Returns the number of used (allocated) inventory items of this class (see
L<FS::inventory_class>).
=cut
sub num_used {
my( $self, $sql ) = @_;
$sql .= ' AND ' if length($sql);
$sql .= 'svcnum IS NOT NULL AND svcnum > 0 ';
$self->num_sql($sql);
}
=item num_total
Returns the total number of inventory items of this class (see
L<FS::inventory_class>).
=cut
sub num_total {
my( $self, $sql ) = @_;
$self->num_sql($sql);
}
=back
=head1 CLASS METHODS
=over 4
=item searchcell_factory
=cut
sub countcell_factory {
my($class, %opt) = @_;
my $p = $opt{p};
my $sql = $opt{'agentnum'} ? 'agentnum = '.$opt{'agentnum'} : '';
use Tie::IxHash;
tie my %labels, 'Tie::IxHash',
'num_avail' => 'Available', # <FONT SIZE="-1"><A HREF="eventually">(upload batch)</A></FONT>',
'num_used' => 'In use', #'Used', #'Allocated',
'num_total' => 'Total',
;
my %link = (
'num_avail' => ';avail=1',
'num_used' => ';used=1',
'num_total' => '',
);
my %inv_action_link = (
'num_avail' => [ 'upload batch',
$p.'misc/inventory_item-import.html?classnum=',
'classnum'
],
);
sub {
my $inventory_class = shift;
my $link =
$p. 'search/inventory_item.html?'.
'classnum='. $inventory_class->classnum;
$link .= ';agentnum='.$opt{'agentnum'} if $opt{'agentnum'};
my %actioncol = ();
foreach ( keys %inv_action_link ) {
my($label, $baseurl, $method) =
@{ $inv_action_link{$_} };
my $url = $baseurl. $inventory_class->$method();
$actioncol{$_} =
'<FONT SIZE="-1">'.
'('.
'<A HREF="'.$url.'">'.
$label.
'</A>'.
')'.
'</FONT>';
}
my %num = map {
$_ => $inventory_class->$_($sql);
} keys %labels;
[ map {
[
{
'data' => '<B>'. $num{$_}. '</B>',
'align' => 'right',
},
{
'data' => $labels{$_},
'align' => 'left',
'link' => ( $num{$_}
? $link.$link{$_}
: ''
),
},
{ 'data' => $actioncol{$_},
'align' => 'left',
},
]
} keys %labels
];
};
}
=back
=head1 BUGS
=head1 SEE ALSO
L<FS::inventory_item>, L<FS::Record>, schema.html from the base documentation.
=cut
1;
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