#!/usr/bonsaitools/bin/perl -w
# -*- Mode: perl; indent-tabs-mode: nil -*-
#
# The contents of this file are subject to the Mozilla Public
# License Version 1.1 (the "License"); you may not use this file
# except in compliance with the License. You may obtain a copy of
# the License at http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS
# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
# implied. See the License for the specific language governing
# rights and limitations under the License.
#
# The Original Code is the Bugzilla Bug Tracking System.
#
# The Initial Developer of the Original Code is Netscape Communications
# Corporation. Portions created by Netscape are
# Copyright (C) 1998 Netscape Communications Corporation. All
# Rights Reserved.
#
# Contributor(s): Terry Weissman <terry@mozilla.org>
#                 Stephan Niemz  <st.n@gmx.net>

use diagnostics;
use strict;

require "CGI.pl";

ConnectToDatabase();

################################################################################
# START Form Data Validation
################################################################################

# For security and correctness, validate the value of the "voteon" form variable.
# Valid values are those containing a number that is the ID of an existing bug.
if (defined $::FORM{'voteon'}) {
  $::FORM{'voteon'} =~ /^(\d+)$/;
  $::FORM{'voteon'} = $1 || 0;
  SendSQL("SELECT bug_id FROM bugs WHERE bug_id = $::FORM{'voteon'}");
  FetchSQLData() 
    || DisplayError("You entered an invalid bug number to vote on.") && exit;
}

# For security and correctness, validate the value of the "bug_id" form variable.
# Valid values are those containing a number that is the ID of an existing bug.
if (defined $::FORM{'bug_id'}) {
  $::FORM{'bug_id'} =~ /^(\d+)$/;
  $::FORM{'bug_id'} = $1 || 0;
  SendSQL("SELECT bug_id FROM bugs WHERE bug_id = $::FORM{'bug_id'}");
  FetchSQLData() 
    || DisplayError("You entered an invalid bug number.") && exit;
}

# For security and correctness, validate the value of the "userid" form variable.
# Valid values are those containing a number that is the ID of an existing user.
if (defined $::FORM{'user'}) {
  $::FORM{'user'} =~ /^(\d+)$/;
  $::FORM{'user'} = $1 || 0;
  SendSQL("SELECT userid FROM profiles WHERE userid = $::FORM{'user'}");
  FetchSQLData() 
    || DisplayError("You specified an invalid user number.") && exit;
}

################################################################################
# END Form Data Validation
################################################################################

if (defined $::FORM{'voteon'} || (!defined $::FORM{'bug_id'} &&
                                  !defined $::FORM{'user'})) {
    confirm_login();
    $::FORM{'user'} = DBNameToIdAndCheck($::COOKIE{'Bugzilla_login'});
}

print "Content-type: text/html\n\n";

if (defined $::FORM{'bug_id'}) {
    my $id = $::FORM{'bug_id'};
    my $linkedid = qq{<a href="show_bug.cgi?id=$id">$id</a>};
    PutHeader("Show votes", "Show votes", "Bug $linkedid");
    SendSQL("select profiles.login_name, votes.who, votes.count from votes, profiles where votes.bug_id = " . SqlQuote($id) . " and profiles.userid = votes.who");
    print "<table>\n";
    print "<tr><th>Who</th><th>Number of votes</th></tr>\n";
    my $sum = 0;
    while (MoreSQLData()) {
        my ($name, $userid, $count) = (FetchSQLData());
        print qq{<tr><td><a href="showvotes.cgi?user=$userid">$name</a></td><td align=right>$count</td></tr>\n};
        $sum += $count;
    }
    print "</table>";
    print "<p>Total votes: $sum<p>\n";
} elsif (defined $::FORM{'user'}) {
    quietly_check_login();
    GetVersionTable();
    my $who = $::FORM{'user'};
    my $name = DBID_to_name($who);
    PutHeader("Show votes", "Show votes", $name);
    print qq{<form action="doeditvotes.cgi">\n};
    print "<table><tr><td></td><th>Bug \#</th><th>Summary</th><th>Votes</th></tr>\n";
    SendSQL("lock tables bugs read, products read, votes write");
    if (defined($::FORM{'voteon'})) {
        # Oh, boy, what a hack.  Make sure there is an entry for this bug
        # in the vote table, just so that things display right.
        # Yuck yuck yuck.###
        SendSQL("select votes.count from votes where votes.bug_id = $::FORM{'voteon'} and votes.who = $who");
        if (!MoreSQLData()) {
            SendSQL("insert into votes (who, bug_id, count) values ($who, $::FORM{'voteon'}, 0)");
        }
    }
    my $canedit = (defined $::COOKIE{'Bugzilla_login'} &&
                   $::COOKIE{'Bugzilla_login'} eq $name);
    my %maxvotesperbug;
    if( $canedit ) {
        SendSQL("SELECT products.product, products.maxvotesperbug FROM products");
        while (MoreSQLData()) {
            my ($prod, $max) = (FetchSQLData());
            $maxvotesperbug{$prod}= $max;
        }
    }
    foreach my $product (sort(keys(%::prodmaxvotes))) {
        if ($::prodmaxvotes{$product} <= 0) {
            next;
        }
        my $qprod = value_quote($product);
        SendSQL("select votes.bug_id, votes.count, bugs.short_desc, bugs.bug_status from votes, bugs where votes.who = $who and votes.bug_id = bugs.bug_id and bugs.product = " . SqlQuote($product) . "order by votes.bug_id");
        next if !MoreSQLData(); # don't show products without any votes
        my $sum = 0;
        print "<tr><th>$product</th></tr>";
        while (MoreSQLData()) {
            my ($id, $count, $summary, $status) = (FetchSQLData());
            if (!defined $status) {
                next;
            }
            my $opened = IsOpenedState($status);
            my $strike = $opened ? "" : "<strike>";
            my $endstrike = $opened ? "" : "</strike>";
            $summary = html_quote($summary);
            $sum += $count;
            if ($canedit) {
                my $min = $maxvotesperbug{$product}; # minimum of these two
                $min = $::prodmaxvotes{$product} if $::prodmaxvotes{$product} < $min;
                if( $min < 2 ) { # checkbox
                    my $checked = $count ? ' checked' : '';
                    $count = qq{<input type="checkbox" name="$id" value="1"$checked>};
                }else { # normal input
                    $count = qq{<input name="$id" value="$count" size="5">};
                }
            }
            print qq{
<tr>
<td></td>
<td>$strike<a href="showvotes.cgi?bug_id=$id">$id</a>$endstrike</td>
<td><a href="show_bug.cgi?id=$id">$summary</a></td>
<td align="right">$count</td>
</tr>
};
        }
        my $plural = (($sum == 1) ? "" : "s");
        print "<td colspan=3>$sum vote$plural used out of\n";
        print "$::prodmaxvotes{$product} allowed.</td>\n";
    }
    print "</table>\n";
    if ($canedit) {
        print qq{<input type=submit value="Submit">\n};
        print "<br>To change your votes, type in new numbers (using zero to\n";
        print "mean no votes) or change the checkbox, and then click <b>Submit</b>.\n";
    }
    print "<input type=hidden name=who value=$who>";
    print "</form>\n";
    SendSQL("delete from votes where count <= 0");
    SendSQL("unlock tables");
}

print qq{<a href="votehelp.html">Help!  I don't understand this voting stuff</a>};

PutFooter();