usevote/UVmenu.pm

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Perl
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# UVmenu: menu for interaction with the votetaker
# Used by uvvote.pl, uvcfv.pl, uvcount.pl
package UVmenu;
use strict;
use UVconfig;
use UVmessage;
use UVrules;
use vars qw($VERSION);
use Text::Wrap qw(wrap $columns);
# Module version
$VERSION = "0.4";
##############################################################################
# Menu for interaction with the votetaker #
# Parameters: votes list and header (references to arrays) #
# Body, Mailadress, Name, Ballot ID (references to strings) #
# List of newly set fields (reference to array) #
# List of errors to correct (Array-Ref) #
# Return Values: 'w': proceed #
# 'i': ignore (don't save vote) #
##############################################################################
sub menu {
my ($votes, $header, $body, $addr, $name, $ballot_id, $set, $errors) = @_;
my $input = "";
my $voter_addr = $$addr || '';
my $voter_name = $$name || '';
my @newvotes = @$votes;
my $mailonly = 0;
my %errors;
$$ballot_id ||= '';
foreach my $error (@$errors) {
# unrecognized vote: extract group number und display warning
if ($error =~ /^UnrecognizedVote #(\d+)#(.+)$/) {
$errors{UnrecognizedVote} ||= UVmessage::get("MENU_UNRECOGNIZEDVOTE");
$errors{UnrecognizedVote} .= "\n " . UVmessage::get("MENU_UNRECOGNIZED_LIST")
. " #$1: $2";
# violated rule: extract rule number and display warning
} elsif ($error =~ /^ViolatedRule #(\d+)$/) {
$errors{ViolatedRule} ||= UVmessage::get("MENU_VIOLATEDRULE", (RULE => "#$1"));
} else {
# special handling if called from uvballot.pl
$mailonly = 1 if ($error =~ s/Ballot$//);
# get error message for this error from messages.cfg
$errors{$error} = UVmessage::get("MENU_" . uc($error));
}
}
# This loop is only left by 'return'
while (1) {
system($config{clearcmd});
print UVmessage::get("MENU_PROBLEMS") . "\n";
foreach my $error (keys %errors) {
print "* $errors{$error}\n";
}
my $menucaption = UVmessage::get("MENU_CAPTION");
print "\n\n$menucaption\n";
print "=" x length($menucaption), "\n\n";
print "(1) ", UVmessage::get("MENU_SHOW_MAIL"), "\n\n",
UVmessage::get("MENU_CHANGE_PROPERTIES"), "\n",
"(2) ", UVmessage::get("MENU_ADDRESS"), " [$voter_addr]\n";
# don't print these options if called from uvcfv.pl
unless ($mailonly) {
print "(3) ", UVmessage::get("MENU_NAME"), " [$voter_name]\n";
print "(4) ", UVmessage::get("MENU_VOTES"), " [", @$votes, "]\n";
print "(5) ", UVmessage::get("MENU_BALLOT_ID"), " [$$ballot_id]\n"
if ($config{personal});
print "(6) ", UVmessage::get("MENU_BDSG"), "\n" if ($config{bdsg});
}
print "\n",
"(i) ", UVmessage::get("MENU_IGNORE"), "\n",
"(w) ", UVmessage::get("MENU_PROCEED"), "\n\n",
UVmessage::get("MENU_PROMPT");
do { $input = <STDIN>; } until ($input);
chomp $input;
print "\n";
# only accept 1, 2, i and w if called from uvcfv.pl
next if ($mailonly && $input !~ /^[12iw]$/i);
if ($input eq '1') {
system($config{clearcmd});
# ignore SIGPIPE (Bug in more and less)
$SIG{PIPE} = 'IGNORE';
open (MORE, "|$config{pager}");
print MORE join("\n", @$header), "\n\n", $$body, "\n";
close (MORE);
print "\n", UVmessage::get("MENU_GETKEY");
$input = <STDIN>;
} elsif ($input eq '2') {
my $sel;
do {
print "[a] ", UVmessage::get("MENU_ADDRESS_OK"), "\n",
"[b] ", UVmessage::get("MENU_ADDRESS_CHANGE"), "\n",
"[c] ", UVmessage::get("MENU_ADDRESS_INVALID"), "\n\n",
UVmessage::get("MENU_PROMPT");
$sel = <STDIN>;
} until ($sel =~ /^[abc]$/i);
if ($sel =~ /^a$/i) {
delete $errors{SuspiciousAccount};
delete $errors{InvalidAddress};
next;
} elsif ($sel =~ /^c$/i) {
delete $errors{SuspiciousAccount};
$errors{InvalidAddress} = UVmessage::get("MENU_INVALIDADDRESS") . " " .
UVmessage::get("MENU_INVALIDADDRESS2");
next;
}
do {
print "\n", UVmessage::get("MENU_ADDRESS_PROMPT"), " ";
$voter_addr = <STDIN>;
chomp ($voter_addr);
} until ($voter_addr);
$$addr = $voter_addr;
push (@$set, 'Adresse');
delete $errors{SuspiciousAccount};
delete $errors{InvalidAddress};
check_ballotid(\%errors, \$voter_addr, $ballot_id, \%ids);
} elsif ($input eq '3') {
my $sel;
do {
print "[a] ", UVmessage::get("MENU_NAME_OK"), "\n",
"[b] ", UVmessage::get("MENU_NAME_CHANGE"), "\n",
"[c] ", UVmessage::get("MENU_NAME_INVALID"), "\n\n",
UVmessage::get("MENU_PROMPT");
$sel = <STDIN>;
} until ($sel =~ /^[abc]$/i);
if ($sel =~ /^a$/i) {
delete $errors{InvalidName};
next;
} elsif ($sel =~ /^c$/i) {
$errors{InvalidName} = UVmessage::get("MENU_INVALIDNAME");
next;
}
print UVmessage::get("MENU_NAME"), ": ";
$voter_name = <STDIN>;
chomp ($voter_name);
$$name = $voter_name;
push (@$set, 'Name');
delete $errors{NoName};
delete $errors{InvalidName};
$errors{InvalidName} = UVmessage::get("MENU_INVALIDNAME")
unless ($voter_name =~ /$config{name_re}/);
} elsif ($input eq '4') {
# set votes
my $sel;
do {
print "[a] ", UVmessage::get("MENU_VOTES_OK"), "\n",
"[b] ", UVmessage::get("MENU_VOTES_RESET"), "\n",
"[c] ", UVmessage::get("MENU_VOTES_INVALID"), "\n",
"[d] ", UVmessage::get("MENU_VOTES_CANCELLED"), "\n\n",
UVmessage::get("MENU_PROMPT");
$sel = <STDIN>;
} until ($sel =~ /^[abcd]$/i);
if ($sel =~ /^[ad]$/i) {
delete $errors{NoVote};
delete $errors{UnrecognizedVote};
delete $errors{ViolatedRule};
delete $errors{DuplicateVote};
if ($sel =~ /^d$/i) {
# cancelled vote: replace all votes with an A
@$votes = split(//, 'A' x scalar @groups);
push @$set, 'Stimmen';
# some errors are irrelevant when cancelling a vote:
delete $errors{InvalidName};
delete $errors{NoName};
delete $errors{InvalidBDSG};
delete $errors{InvalidAddress};
delete $errors{SuspiciousAccount};
}
next;
} elsif ($sel =~ /^c$/i) {
$errors{NoVote} = UVmessage::get("MENU_INVALIDVOTE");
next;
}
# Set columns for Text::Wrap
$columns = $config{rightmargin};
print "\n", wrap('', '', UVmessage::get("MENU_VOTES_REENTER_ASK")), "\n\n";
print UVmessage::get("MENU_VOTES_REENTER_LEGEND"), "\n";
for (my $n=0; $n<@groups; $n++) {
my $voteinput = "";
$votes->[$n] ||= 'E';
# repeat while invalid character entered
while (!($voteinput =~ /^[JNE]$/)) {
my $invalid = $#groups ? 0 : 1;
print UVmessage::get("MENU_VOTES_REENTER", (GROUP => $groups[$n]));
$voteinput = <STDIN>;
chomp $voteinput;
$voteinput ||= $votes->[$n];
$voteinput =~ tr/jne/JNE/;
}
# valid input, save new votes
$newvotes[$n] = $voteinput;
}
print "\n\n";
my $oldvotes = UVmessage::get("MENU_VOTES_REENTER_OLD");
my $newvotes = UVmessage::get("MENU_VOTES_REENTER_NEW");
my $oldlen = length($oldvotes);
my $newlen = length($newvotes);
my $maxlen = 1 + (($newlen>$oldlen) ? $newlen : $oldlen);
print $oldvotes, ' ' x ($maxlen - length($oldvotes)), @$votes, "\n",
$newvotes, ' ' x ($maxlen - length($newvotes)), @newvotes, "\n\n";
do {
print "[a] ", UVmessage::get("MENU_VOTES_REENTER_ACK"), " ",
"[b] ", UVmessage::get("MENU_VOTES_REENTER_NACK"), "\n\n",
UVmessage::get("MENU_PROMPT");
$sel = <STDIN>;
} until ($sel =~ /^[ab]$/i);
next if ($sel =~ /^b$/i);
@$votes = @newvotes;
push @$set, 'Stimmen';
delete $errors{UnrecognizedVote};
delete $errors{DuplicateVote};
delete $errors{NoVote};
delete $errors{ViolatedRule};
if (my $rule = UVrules::rule_check($votes)) {
$errors{ViolatedRule} = UVmessage::get("MENU_VIOLATEDRULE", (RULE => "#$rule"));
}
} elsif ($input eq '5' && $config{personal}) {
print "\n", UVmessage::get("MENU_BALLOT_ID"), ": ";
$$ballot_id = <STDIN>;
chomp ($$ballot_id);
push (@$set, 'Kennung');
check_ballotid(\%errors, \$voter_addr, $ballot_id, \%ids);
} elsif ($input eq '6' && $config{bdsg}) {
my $sel;
do {
print "[a] ", UVmessage::get("MENU_BDSG_ACCEPTED"), "\n",
"[b] ", UVmessage::get("MENU_BDSG_DECLINED"), "\n\n",
UVmessage::get("MENU_PROMPT");
$sel = <STDIN>;
} until ($sel =~ /^[ab]$/i);
if ($sel =~ /^a$/i) {
delete $errors{InvalidBDSG};
} else {
$errors{InvalidBDSG} = UVmessage::get("MENU_INVALIDBDSG");
}
} elsif ($input =~ /^i$/i) {
my $ignore = UVmessage::get("MENU_IGNORE_STRING");
# Set columns for Text::Wrap
$columns = $config{rightmargin};
print wrap('', '', UVmessage::get("MENU_IGNORE_WARNING",
(MENU_IGNORE_STRING => $ignore)
));
if (<STDIN> eq "$ignore\n") {
print "\n";
return "i";
}
} elsif ($input =~ /^w$/i) {
if (keys %errors) {
if ((keys %errors)==1 && $errors{UnrecognizedVote}) {
# unrecognized vote lines aren't errors if votetaker
# did not change them
@$errors = ();
} else {
# Set columns for Text::Wrap
$columns = $config{rightmargin};
@$errors = keys %errors;
my $warning = ' ' . UVmessage::get("MENU_ERROR_WARNING") . ' ';
my $length = length($warning);
print "\n", '*' x (($config{rightmargin}-$length)/2), $warning,
'*' x (($config{rightmargin}-$length)/2), "\n\n",
wrap('', '', UVmessage::get("MENU_ERROR_TEXT")), "\n\n",
'*' x $config{rightmargin}, "\n\n",
UVmessage::get("MENU_ERROR_GETKEY");
my $input = <STDIN>;
next if ($input !~ /^y$/i);
print "\n";
}
} else {
@$errors = ();
}
system($config{clearcmd});
print "\n", UVmessage::get("MENU_PROCESSING"), "\n";
return "w";
}
}
sub check_ballotid {
my ($errors, $voter_addr, $ballot_id, $ids) = @_;
return 0 unless ($config{personal});
delete $errors->{NoBallotID};
delete $errors->{WrongBallotID};
delete $errors->{AddressNotRegistered};
if ($$ballot_id) {
if ($ids->{$$voter_addr}) {
if ($ids->{$$voter_addr} ne $$ballot_id) {
# ballot id incorrect
$errors->{WrongBallotID} = UVmessage::get("MENU_WRONGBALLOTID");
}
} else {
$errors->{AddressNotRegistered} = UVmessage::get("MENU_ADDRESSNOTREGISTERED");
}
} else {
$errors->{NoBallotID} = UVmessage::get("MENU_NOBALLOTID");
}
}
}
##############################################################################
# Menu for sorting out duplicate votings manually #
# Parameters: References to hashes with the paragraphs from the result file #
# and the default value #
# Return value: selected menu item (1, 2 or 0) #
##############################################################################
sub dup_choice {
my ($vote1, $vote2, $default) = @_;
print STDERR "\n", UVmessage::get("MENU_DUP_VOTE"), "\n\n";
print STDERR UVmessage::get("MENU_DUP_FIRST"), "\n";
print STDERR "A: $vote1->{A}\n";
print STDERR "N: $vote1->{N}\n";
print STDERR "D: $vote1->{D}\n";
print STDERR "K: $vote1->{K}\n";
print STDERR "S: $vote1->{S}\n\n";
print STDERR UVmessage::get("MENU_DUP_SECOND"), "\n";
print STDERR "A: $vote2->{A}\n";
print STDERR "N: $vote2->{N}\n";
print STDERR "D: $vote2->{D}\n";
print STDERR "K: $vote2->{K}\n";
print STDERR "S: $vote2->{S}\n\n";
print STDERR "1: ", UVmessage::get("MENU_DUP_DELFIRST"), "\n",
"2: ", UVmessage::get("MENU_DUP_DELSECOND"), "\n",
"0: ", UVmessage::get("MENU_DUP_DELNONE"), "\n\n";
my $input;
do {
print STDERR UVmessage::get("MENU_PROMPT"), "[$default] ";
$input = <STDIN>;
chomp $input;
} until ($input eq '' || ($input >= 0 && $input<3));
return $input || $default;
}
1;