36 lines
972 B
Perl
36 lines
972 B
Perl
#!perl
|
|
|
|
use Net::MQTT::Simple "mosquitto.space.revspace.nl";
|
|
|
|
sub command { NEXT }
|
|
|
|
sub hook_checkout {
|
|
my ($class, $cart, $user, $transaction_id) = @_;
|
|
my $filename = "revbank.sales";
|
|
my @items = $cart->select_items('product_id') or return;
|
|
my %already_retained;
|
|
|
|
my %stats = do {
|
|
my $in;
|
|
open($in, '<', $filename)
|
|
? map { split " ", $_, 2 } readline $in
|
|
: ()
|
|
};
|
|
|
|
$stats{ $_->{product_id} }++ for @items;
|
|
|
|
for (@items) {
|
|
my $product = $_->{product_id};
|
|
|
|
publish "revspace/bank/sale" => $product;
|
|
next if $already_retained{ $product };
|
|
|
|
retain "revspace/bank/$product" => $stats{$_->{product_id}};
|
|
$already_retained{ $product } = 1;
|
|
}
|
|
|
|
open my $out, '>', "$filename.$$" or warn "$filename.$$: $!";
|
|
printf {$out} "%-16s %9d\n", $_, $stats{$_} for sort keys %stats;
|
|
close $out or die "$filename.$$: $!";
|
|
rename "$filename.$$", $filename or die $!;
|
|
}
|