mozilla
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gecko-dev
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gecko-dev/webtools/bugzilla/votes.cgi

356 строки
12 KiB
Perl
Executable File
Исходник Ответственный История

#!/usr/bin/perl -wT
# -*- 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>
# Christopher Aillon <christopher@aillon.com>
# Gervase Markham <gerv@gerv.net>
use strict;
use lib ".";
use Bugzilla;
require "CGI.pl";
# Use global template variables
use vars qw($template $vars);
ConnectToDatabase();
my $cgi = Bugzilla->cgi;
# If the action is show_bug, you need a bug_id.
# If the action is show_user, you can supply a userid to show the votes for
# another user, otherwise you see your own.
# If the action is vote, your votes are set to those encoded in the URL as
# <bug_id>=<votes>.
#
# If no action is defined, we default to show_bug if a bug_id is given,
# otherwise to show_user.
my $action = $::FORM{'action'} ||
($::FORM{'bug_id'} ? "show_bug" : "show_user");
if ($action eq "show_bug" ||
($action eq "show_user" && defined($::FORM{'user'})))
{
quietly_check_login();
}
else {
confirm_login();
}
################################################################################
# Begin Data/Security Validation
################################################################################
# Make sure the bug ID is a positive integer representing an existing
# bug that the user is authorized to access.
if (defined $::FORM{'bug_id'}) {
ValidateBugID($::FORM{'bug_id'});
}
################################################################################
# End Data/Security Validation
################################################################################
if ($action eq "show_bug") {
show_bug();
}
elsif ($action eq "show_user") {
show_user();
}
elsif ($action eq "vote") {
record_votes();
show_user();
}
else {
ThrowCodeError("unknown_action", {action => $action});
}
exit;
# Display the names of all the people voting for this one bug.
sub show_bug {
my $cgi = Bugzilla->cgi;
my $bug_id = $::FORM{'bug_id'}
|| ThrowCodeError("missing_bug_id");
my $total = 0;
my @users;
SendSQL("SELECT profiles.login_name, votes.who, votes.vote_count
FROM votes, profiles
WHERE votes.bug_id = $bug_id
AND profiles.userid = votes.who");
while (MoreSQLData()) {
my ($name, $userid, $count) = (FetchSQLData());
push (@users, { name => $name, id => $userid, count => $count });
$total += $count;
}
$vars->{'bug_id'} = $bug_id;
$vars->{'users'} = \@users;
$vars->{'total'} = $total;
print $cgi->header();
$template->process("bug/votes/list-for-bug.html.tmpl", $vars)
|| ThrowTemplateError($template->error());
}
# Display all the votes for a particular user. If it's the user
# doing the viewing, give them the option to edit them too.
sub show_user {
GetVersionTable();
my $cgi = Bugzilla->cgi;
# If a bug_id is given, and we're editing, we'll add it to the votes list.
my $bug_id = $::FORM{'bug_id'} || "";
my $name = $::FORM{'user'} || Bugzilla->user->login;
my $who = DBname_to_id($name);
# After DBNameToIdAndCheck is templatised and prints a Content-Type,
# the above should revert to a call to that function, and this
# special error handling should go away.
$who || ThrowUserError("invalid_username", {name => $name});
my $canedit = 1 if (Bugzilla->user &&
$name eq Bugzilla->user->login);
SendSQL("LOCK TABLES bugs READ, products READ, votes WRITE,
cc READ, bug_group_map READ, user_group_map READ,
cc AS selectVisible_cc READ");
if ($canedit && $bug_id) {
# Make sure there is an entry for this bug
# in the vote table, just so that things display right.
SendSQL("SELECT votes.vote_count FROM votes
WHERE votes.bug_id = $bug_id AND votes.who = $who");
if (!FetchOneColumn()) {
SendSQL("INSERT INTO votes (who, bug_id, vote_count)
VALUES ($who, $bug_id, 0)");
}
}
# Calculate the max votes per bug for each product; doing it here means
# we can do it all in one query.
my %maxvotesperbug;
if($canedit) {
SendSQL("SELECT products.name, products.maxvotesperbug
FROM products");
while (MoreSQLData()) {
my ($prod, $max) = FetchSQLData();
$maxvotesperbug{$prod} = $max;
}
}
my @products;
# Read the votes data for this user for each product
foreach my $product (sort(keys(%::prodmaxvotes))) {
next if $::prodmaxvotes{$product} <= 0;
my @bugs;
my $total = 0;
my $onevoteonly = 0;
SendSQL("SELECT votes.bug_id, votes.vote_count, bugs.short_desc,
bugs.bug_status
FROM votes, bugs, products
WHERE votes.who = $who
AND votes.bug_id = bugs.bug_id
AND bugs.product_id = products.id
AND products.name = " . SqlQuote($product) .
"ORDER BY votes.bug_id");
while (MoreSQLData()) {
my ($id, $count, $summary, $status) = FetchSQLData();
next if !defined($status);
$total += $count;
# Next if user can't see this bug. So, the totals will be correct
# and they can see there are votes 'missing', but not on what bug
# they are. This seems a reasonable compromise; the alternative is
# to lie in the totals.
next if !CanSeeBug($id, $who);
push (@bugs, { id => $id,
summary => $summary,
count => $count,
opened => IsOpenedState($status) });
}
# In case we didn't populate this earlier (i.e. an error, or
# a not logged in user viewing a users votes)
$maxvotesperbug{$product} ||= 0;
$onevoteonly = 1 if (min($::prodmaxvotes{$product},
$maxvotesperbug{$product}) == 1);
# Only add the product for display if there are any bugs in it.
if ($#bugs > -1) {
push (@products, { name => $product,
bugs => \@bugs,
onevoteonly => $onevoteonly,
total => $total,
maxvotes => $::prodmaxvotes{$product},
maxperbug => $maxvotesperbug{$product} });
}
}
SendSQL("DELETE FROM votes WHERE vote_count <= 0");
SendSQL("UNLOCK TABLES");
$vars->{'voting_user'} = { "login" => $name };
$vars->{'products'} = \@products;
print $cgi->header();
$template->process("bug/votes/list-for-user.html.tmpl", $vars)
|| ThrowTemplateError($template->error());
}
# Update the user's votes in the database.
sub record_votes {
############################################################################
# Begin Data/Security Validation
############################################################################
my $cgi = Bugzilla->cgi;
# Build a list of bug IDs for which votes have been submitted. Votes
# are submitted in form fields in which the field names are the bug
# IDs and the field values are the number of votes.
my @buglist = grep {/^[1-9][0-9]*$/} keys(%::FORM);
# If no bugs are in the buglist, let's make sure the user gets notified
# that their votes will get nuked if they continue.
if (scalar(@buglist) == 0) {
if (!defined($::FORM{'delete_all_votes'})) {
print $cgi->header();
$template->process("bug/votes/delete-all.html.tmpl", $vars)
|| ThrowTemplateError($template->error());
exit();
}
elsif ($::FORM{'delete_all_votes'} == 0) {
print $cgi->redirect("votes.cgi");
exit();
}
}
# Call ValidateBugID on each bug ID to make sure it is a positive
# integer representing an existing bug that the user is authorized
# to access, and make sure the number of votes submitted is also
# a non-negative integer (a series of digits not preceded by a
# minus sign).
foreach my $id (@buglist) {
ValidateBugID($id);
detaint_natural($::FORM{$id})
|| ThrowUserError("votes_must_be_nonnegative");
}
############################################################################
# End Data/Security Validation
############################################################################
GetVersionTable();
my $who = Bugzilla->user->id;
# If the user is voting for bugs, make sure they aren't overstuffing
# the ballot box.
if (scalar(@buglist)) {
SendSQL("SELECT bugs.bug_id, products.name, products.maxvotesperbug
FROM bugs, products
WHERE products.id = bugs.product_id
AND bugs.bug_id IN (" . join(", ", @buglist) . ")");
my %prodcount;
while (MoreSQLData()) {
my ($id, $prod, $max) = FetchSQLData();
$prodcount{$prod} ||= 0;
$prodcount{$prod} += $::FORM{$id};
# Make sure we haven't broken the votes-per-bug limit
($::FORM{$id} <= $max)
|| ThrowUserError("too_many_votes_for_bug",
{max => $max,
product => $prod,
votes => $::FORM{$id}});
}
# Make sure we haven't broken the votes-per-product limit
foreach my $prod (keys(%prodcount)) {
($prodcount{$prod} <= $::prodmaxvotes{$prod})
|| ThrowUserError("too_many_votes_for_product",
{max => $::prodmaxvotes{$prod},
product => $prod,
votes => $prodcount{$prod}});
}
}
# Update the user's votes in the database. If the user did not submit
# any votes, they may be using a form with checkboxes to remove all their
# votes (checkboxes are not submitted along with other form data when
# they are not checked, and Bugzilla uses them to represent single votes
# for products that only allow one vote per bug). In that case, we still
# need to clear the user's votes from the database.
my %affected;
SendSQL("LOCK TABLES bugs write, votes write, products read, cc read,
user_group_map read, bug_group_map read");
# Take note of, and delete the user's old votes from the database.
SendSQL("SELECT bug_id FROM votes WHERE who = $who");
while (MoreSQLData()) {
my $id = FetchOneColumn();
$affected{$id} = 1;
}
SendSQL("DELETE FROM votes WHERE who = $who");
# Insert the new values in their place
foreach my $id (@buglist) {
if ($::FORM{$id} > 0) {
SendSQL("INSERT INTO votes (who, bug_id, vote_count)
VALUES ($who, $id, $::FORM{$id})");
}
$affected{$id} = 1;
}
# Update the cached values in the bugs table
foreach my $id (keys %affected) {
SendSQL("SELECT sum(vote_count) FROM votes WHERE bug_id = $id");
my $v = FetchOneColumn();
$v ||= 0;
SendSQL("UPDATE bugs SET votes = $v, delta_ts=delta_ts
WHERE bug_id = $id");
CheckIfVotedConfirmed($id, $who);
}
SendSQL("UNLOCK TABLES");
$vars->{'votes_recorded'} = 1;
}
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