70 lines
2.2 KiB
Perl
70 lines
2.2 KiB
Perl
package RevBank::Global;
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use v5.32;
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use warnings;
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use experimental 'signatures'; # stable since v5.36
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use POSIX qw(strftime);
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use RevBank::Amount;
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use RevBank::FileIO;
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sub import {
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require RevBank::Plugins;
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require RevBank::Users;
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no strict 'refs';
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my $caller = caller;
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*{"$caller\::ACCEPT"} = sub () { \1 };
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*{"$caller\::ABORT"} = sub () { \2 };
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*{"$caller\::REJECT"} = sub () { \3 };
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*{"$caller\::NEXT"} = sub () { \4 };
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*{"$caller\::DONE"} = sub () { \5 };
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*{"$caller\::REDO"} = sub () { \6 };
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*{"$caller\::slurp"} = \&RevBank::FileIO::slurp;
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*{"$caller\::spurt"} = \&RevBank::FileIO::spurt;
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*{"$caller\::rewrite"} = \&RevBank::FileIO::rewrite;
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*{"$caller\::append"} = \&RevBank::FileIO::append;
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*{"$caller\::with_lock"} = \&RevBank::FileIO::with_lock;
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*{"$caller\::parse_user"} = \&RevBank::Users::parse_user;
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*{"$caller\::parse_amount"} = sub ($amount) {
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defined $amount or return undef;
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length $amount or return undef;
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my @split = grep /\S/, split /([+-])/, $amount;
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my $posneg = 1;
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$amount = RevBank::Amount->new(0);
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for my $token (@split) {
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if ($token eq '-') {
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$posneg = $posneg == -1 ? 1 : -1;
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} elsif ($token eq '+') {
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$posneg ||= 1;
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} else {
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$posneg or return undef; # two terms in a row
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my $term = RevBank::Amount->parse_string($token) // return undef;
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$amount += $posneg * $term;
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$posneg = 0;
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}
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}
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$posneg and return undef; # last token must be term
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if ($amount->cents < 0) {
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die "For our sanity, no negative amounts, please :).\n";
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}
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if ($amount->cents > 99900) {
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die "That's way too much money.\n";
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}
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return $amount;
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};
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*{"$caller\::call_hooks"} = \&RevBank::Plugins::call_hooks;
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*{"$caller\::say"} = sub {
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print @_, "\n";
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};
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*{"$caller\::now"} = sub () {
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return strftime '%Y-%m-%d_%H:%M:%S', localtime;
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};
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}
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__PACKAGE__->import;
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1;
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