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351 lines
12 KiB
Perl
Executable File
351 lines
12 KiB
Perl
Executable File
#!/usr/bin/perl -wT
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# -*- Mode: perl; indent-tabs-mode: nil -*-
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#
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# The contents of this file are subject to the Mozilla Public
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# License Version 1.1 (the "License"); you may not use this file
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# except in compliance with the License. You may obtain a copy of
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# the License at http://www.mozilla.org/MPL/
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#
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# Software distributed under the License is distributed on an "AS
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# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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# implied. See the License for the specific language governing
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# rights and limitations under the License.
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#
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# The Original Code is the Bugzilla Bug Tracking System.
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#
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# The Initial Developer of the Original Code is Netscape Communications
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# Corporation. Portions created by Netscape are
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# Copyright (C) 1998 Netscape Communications Corporation. All
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# Rights Reserved.
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#
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# Contributor(s): Terry Weissman <terry@mozilla.org>
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# Stephan Niemz <st.n@gmx.net>
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# Christopher Aillon <christopher@aillon.com>
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# Gervase Markham <gerv@gerv.net>
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use strict;
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use lib ".";
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use Bugzilla;
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use Bugzilla::Constants;
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require "CGI.pl";
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# Use global template variables
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use vars qw($template $vars);
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my $cgi = Bugzilla->cgi;
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# If the action is show_bug, you need a bug_id.
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# If the action is show_user, you can supply a userid to show the votes for
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# another user, otherwise you see your own.
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# If the action is vote, your votes are set to those encoded in the URL as
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# <bug_id>=<votes>.
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#
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# If no action is defined, we default to show_bug if a bug_id is given,
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# otherwise to show_user.
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my $bug_id = $cgi->param('bug_id');
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my $action = $cgi->param('action') || ($bug_id ? "show_bug" : "show_user");
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if ($action eq "show_bug" ||
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($action eq "show_user" && defined $cgi->param('user')))
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{
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Bugzilla->login();
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}
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else {
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Bugzilla->login(LOGIN_REQUIRED);
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}
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################################################################################
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# Begin Data/Security Validation
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################################################################################
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# Make sure the bug ID is a positive integer representing an existing
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# bug that the user is authorized to access.
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ValidateBugID($bug_id) if defined $bug_id;
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################################################################################
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# End Data/Security Validation
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################################################################################
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if ($action eq "show_bug") {
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show_bug();
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}
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elsif ($action eq "show_user") {
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show_user();
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}
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elsif ($action eq "vote") {
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record_votes();
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show_user();
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}
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else {
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ThrowCodeError("unknown_action", {action => $action});
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}
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exit;
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# Display the names of all the people voting for this one bug.
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sub show_bug {
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my $cgi = Bugzilla->cgi;
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ThrowCodeError("missing_bug_id") unless defined $bug_id;
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my $total = 0;
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my @users;
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SendSQL("SELECT profiles.login_name, votes.who, votes.vote_count
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FROM votes, profiles
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WHERE votes.bug_id = $bug_id
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AND profiles.userid = votes.who");
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while (MoreSQLData()) {
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my ($name, $userid, $count) = (FetchSQLData());
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push (@users, { name => $name, id => $userid, count => $count });
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$total += $count;
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}
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$vars->{'bug_id'} = $bug_id;
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$vars->{'users'} = \@users;
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$vars->{'total'} = $total;
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print $cgi->header();
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$template->process("bug/votes/list-for-bug.html.tmpl", $vars)
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|| ThrowTemplateError($template->error());
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}
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# Display all the votes for a particular user. If it's the user
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# doing the viewing, give them the option to edit them too.
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sub show_user {
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GetVersionTable();
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my $cgi = Bugzilla->cgi;
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# If a bug_id is given, and we're editing, we'll add it to the votes list.
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$bug_id ||= "";
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my $name = $cgi->param('user') || Bugzilla->user->login;
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my $who = DBNameToIdAndCheck($name);
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my $userid = Bugzilla->user->id;
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my $canedit = 1 if ($userid && $name eq Bugzilla->user->login);
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SendSQL("LOCK TABLES bugs READ, products READ, votes WRITE,
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cc READ, bug_group_map READ, user_group_map READ,
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cc AS selectVisible_cc READ");
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if ($canedit && $bug_id) {
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# Make sure there is an entry for this bug
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# in the vote table, just so that things display right.
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SendSQL("SELECT votes.vote_count FROM votes
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WHERE votes.bug_id = $bug_id AND votes.who = $who");
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if (!FetchOneColumn()) {
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SendSQL("INSERT INTO votes (who, bug_id, vote_count)
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VALUES ($who, $bug_id, 0)");
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}
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}
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# Calculate the max votes per bug for each product; doing it here means
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# we can do it all in one query.
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my %maxvotesperbug;
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if($canedit) {
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SendSQL("SELECT products.name, products.maxvotesperbug
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FROM products");
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while (MoreSQLData()) {
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my ($prod, $max) = FetchSQLData();
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$maxvotesperbug{$prod} = $max;
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}
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}
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my @products;
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# Read the votes data for this user for each product
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foreach my $product (sort(keys(%::prodmaxvotes))) {
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next if $::prodmaxvotes{$product} <= 0;
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my @bugs;
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my $total = 0;
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my $onevoteonly = 0;
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SendSQL("SELECT votes.bug_id, votes.vote_count, bugs.short_desc,
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bugs.bug_status
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FROM votes, bugs, products
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WHERE votes.who = $who
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AND votes.bug_id = bugs.bug_id
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AND bugs.product_id = products.id
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AND products.name = " . SqlQuote($product) .
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"ORDER BY votes.bug_id");
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while (MoreSQLData()) {
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my ($id, $count, $summary, $status) = FetchSQLData();
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next if !defined($status);
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$total += $count;
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# Next if user can't see this bug. So, the totals will be correct
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# and they can see there are votes 'missing', but not on what bug
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# they are. This seems a reasonable compromise; the alternative is
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# to lie in the totals.
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next if !Bugzilla->user->can_see_bug($id);
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push (@bugs, { id => $id,
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summary => $summary,
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count => $count,
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opened => IsOpenedState($status) });
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}
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# In case we didn't populate this earlier (i.e. an error, or
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# a not logged in user viewing a users votes)
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$maxvotesperbug{$product} ||= 0;
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$onevoteonly = 1 if (min($::prodmaxvotes{$product},
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$maxvotesperbug{$product}) == 1);
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# Only add the product for display if there are any bugs in it.
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if ($#bugs > -1) {
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push (@products, { name => $product,
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bugs => \@bugs,
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onevoteonly => $onevoteonly,
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total => $total,
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maxvotes => $::prodmaxvotes{$product},
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maxperbug => $maxvotesperbug{$product} });
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}
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}
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SendSQL("DELETE FROM votes WHERE vote_count <= 0");
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SendSQL("UNLOCK TABLES");
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$vars->{'voting_user'} = { "login" => $name };
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$vars->{'products'} = \@products;
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print $cgi->header();
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$template->process("bug/votes/list-for-user.html.tmpl", $vars)
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|| ThrowTemplateError($template->error());
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}
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# Update the user's votes in the database.
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sub record_votes {
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############################################################################
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# Begin Data/Security Validation
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############################################################################
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my $cgi = Bugzilla->cgi;
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# Build a list of bug IDs for which votes have been submitted. Votes
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# are submitted in form fields in which the field names are the bug
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# IDs and the field values are the number of votes.
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my @buglist = grep {/^[1-9][0-9]*$/} $cgi->param();
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# If no bugs are in the buglist, let's make sure the user gets notified
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# that their votes will get nuked if they continue.
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if (scalar(@buglist) == 0) {
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if (!defined $cgi->param('delete_all_votes')) {
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print $cgi->header();
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$template->process("bug/votes/delete-all.html.tmpl", $vars)
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|| ThrowTemplateError($template->error());
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exit();
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}
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elsif ($cgi->param('delete_all_votes') == 0) {
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print $cgi->redirect("votes.cgi");
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exit();
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}
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}
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# Call ValidateBugID on each bug ID to make sure it is a positive
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# integer representing an existing bug that the user is authorized
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# to access, and make sure the number of votes submitted is also
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# a non-negative integer (a series of digits not preceded by a
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# minus sign).
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my %votes;
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foreach my $id (@buglist) {
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ValidateBugID($id);
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$votes{$id} = $cgi->param($id);
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detaint_natural($votes{$id})
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|| ThrowUserError("votes_must_be_nonnegative");
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}
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############################################################################
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# End Data/Security Validation
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############################################################################
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GetVersionTable();
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my $who = Bugzilla->user->id;
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# If the user is voting for bugs, make sure they aren't overstuffing
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# the ballot box.
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if (scalar(@buglist)) {
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SendSQL("SELECT bugs.bug_id, products.name, products.maxvotesperbug
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FROM bugs, products
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WHERE products.id = bugs.product_id
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AND bugs.bug_id IN (" . join(", ", @buglist) . ")");
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my %prodcount;
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while (MoreSQLData()) {
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my ($id, $prod, $max) = FetchSQLData();
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$prodcount{$prod} ||= 0;
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$prodcount{$prod} += $votes{$id};
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# Make sure we haven't broken the votes-per-bug limit
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($votes{$id} <= $max)
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|| ThrowUserError("too_many_votes_for_bug",
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{max => $max,
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product => $prod,
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votes => $votes{$id}});
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}
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# Make sure we haven't broken the votes-per-product limit
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foreach my $prod (keys(%prodcount)) {
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($prodcount{$prod} <= $::prodmaxvotes{$prod})
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|| ThrowUserError("too_many_votes_for_product",
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{max => $::prodmaxvotes{$prod},
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product => $prod,
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votes => $prodcount{$prod}});
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}
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}
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# Update the user's votes in the database. If the user did not submit
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# any votes, they may be using a form with checkboxes to remove all their
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# votes (checkboxes are not submitted along with other form data when
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# they are not checked, and Bugzilla uses them to represent single votes
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# for products that only allow one vote per bug). In that case, we still
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# need to clear the user's votes from the database.
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my %affected;
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SendSQL("LOCK TABLES bugs write, votes write, products read, cc read,
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fielddefs read, user_group_map read, bug_group_map read");
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# Take note of, and delete the user's old votes from the database.
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SendSQL("SELECT bug_id FROM votes WHERE who = $who");
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while (MoreSQLData()) {
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my $id = FetchOneColumn();
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$affected{$id} = 1;
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}
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SendSQL("DELETE FROM votes WHERE who = $who");
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# Insert the new values in their place
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foreach my $id (@buglist) {
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if ($votes{$id} > 0) {
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SendSQL("INSERT INTO votes (who, bug_id, vote_count)
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VALUES ($who, $id, ".$votes{$id}.")");
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}
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$affected{$id} = 1;
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}
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# Update the cached values in the bugs table
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foreach my $id (keys %affected) {
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SendSQL("SELECT sum(vote_count) FROM votes WHERE bug_id = $id");
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my $v = FetchOneColumn();
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$v ||= 0;
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SendSQL("UPDATE bugs SET votes = $v, delta_ts=delta_ts
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WHERE bug_id = $id");
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CheckIfVotedConfirmed($id, $who);
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}
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SendSQL("UNLOCK TABLES");
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$vars->{'votes_recorded'} = 1;
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}
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