pjs/webtools/bugzilla/summarize_time.cgi

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#!/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.
#
# Contributor(s): Christian Reis <kiko@async.com.br>
# Shane H. W. Travis <travis@sedsystems.ca>
#
use strict;
use lib qw(.);
use Date::Parse; # strptime
use Date::Format; # strftime
use Bugzilla::Bug; # EmitDependList
use Bugzilla::Util; # trim
use Bugzilla::Constants; # LOGIN_*
use Bugzilla::User; # UserInGroup
require "CGI.pl";
GetVersionTable();
# Use global template variables.
use vars qw($template $vars);
#
# Date handling
#
sub date_adjust {
my ($year, $month, $day) = @_;
if ($month == 13) {
$month = 1;
$year += 1;
}
if ($month == 2 && ($day == 31 || $day == 30 || $day == 29)) {
if ($year % 4 == 0) {
$day = 29;
} else {
$day = 28;
}
}
if (($month == 4 || $month == 6 || $month == 9 || $month == 11) &&
($day == 31) )
{
$day = 30;
}
return ($year, $month, $day);
}
sub check_dates {
my ($start_date, $end_date) = @_;
if ($start_date) {
if (!str2time($start_date)) {
ThrowUserError("illegal_date", {'date' => $start_date});
}
# This code may strike you as funny. It's actually a workaround
# for an "issue" in str2time. If you enter the date 2004-06-31,
# even though it's a bogus date (there *are* only 30 days in
# June), it will parse and return 2004-07-01. To make this
# less painful to the end-user, I do the "normalization" here,
# but it might be "surprising" and warrant a warning in the end.
$start_date = time2str("%Y-%m-%d", str2time($start_date));
}
if ($end_date) {
if (!str2time($end_date)) {
ThrowUserError("illegal_date", {'date' => $end_date});
}
# see related comment above.
$end_date = time2str("%Y-%m-%d", str2time($end_date));
}
return ($start_date, $end_date);
}
sub split_by_month {
# Takes start and end dates and splits them into a list of
# monthly-spaced 2-lists of dates.
my ($start_date, $end_date) = @_;
# We assume at this point that the dates are provided and sane
my (undef, undef, undef, $sd, $sm, $sy, undef) = strptime($start_date);
my (undef, undef, undef, $ed, $em, $ey, undef) = strptime($end_date);
# Find out how many months fit between the two dates so we know many
# many times we loop.
my $yd = $ey - $sy;
my $md = 12 * $yd + $em - $sm;
my (@months, $sub_start, $sub_end);
# This +1 and +1900 are a result of strptime's bizarre semantics
my $year = $sy + 1900;
my $month = $sm + 1;
# If both years and months were equals.
if ($md == 0) {
push @months, [sprintf("%04d-%02d-%02d", $year, $month, $sd),
sprintf("%04d-%02d-%02d", $year, $month, $ed)];
return @months;
}
# Keep the original $sd, when the day will be changed in the adjust_date.
# Case day > 28 and month = 2, for instance.
my $sd_tmp = $sd;
for (my $i=0; $i < $md; $i++) {
($year, $month, $sd_tmp) = date_adjust($year, $month, $sd);
$sub_start = sprintf("%04d-%02d-%02d", $year, $month, $sd_tmp);
($year, $month, $sd_tmp) = date_adjust($year, $month + 1, $sd);
$sub_end = sprintf("%04d-%02d-%02d", $year, $month, $sd_tmp);
push @months, [$sub_start, $sub_end];
}
# This section handles the last month for cases where the starting
# day and ending day aren't identical; in this case we need to fudge
# the last entry -- either add an extra one (for the extra days) or
# swap the last one for a shorter one (for the fewer days).
my $fixup = sprintf("%04d-%02d-%02d", $ey + 1900, $em + 1, $ed);
if ($sd < $ed) {
push @months, [$sub_end, $fixup];
} elsif ($sd > $ed) {
pop @months;
push @months, [$sub_start, $fixup];
}
return @months;
}
sub include_tt_details {
my ($res, $bugids, $start_date, $end_date) = @_;
my $dbh = Bugzilla->dbh;
my ($date_bits, $date_values) = sqlize_dates($start_date, $end_date);
my $buglist = join ", ", @{$bugids};
my $q = qq{SELECT bugs.bug_id, profiles.login_name, bugs.deadline,
bugs.estimated_time, bugs.remaining_time
FROM longdescs
INNER JOIN bugs
ON longdescs.bug_id = bugs.bug_id
INNER JOIN profiles
ON longdescs.who = profiles.userid
WHERE longdescs.bug_id in ($buglist) $date_bits};
my %res = %{$res};
my $sth = $dbh->prepare($q);
$sth->execute(@{$date_values});
while (my $row = $sth->fetch) {
$res{$row->[0]}{"deadline"} = $row->[2];
$res{$row->[0]}{"estimated_time"} = $row->[3];
$res{$row->[0]}{"remaining_time"} = $row->[4];
}
return \%res;
}
sub sqlize_dates {
my ($start_date, $end_date) = @_;
my $date_bits;
my @date_values;
if ($start_date) {
# we've checked, trick_taint is fine
trick_taint($start_date);
$date_bits = " AND longdescs.bug_when > ?";
push @date_values, $start_date;
}
if ($end_date) {
# we need to add one day to end_date to catch stuff done today
my (undef, undef, undef, $ed, $em, $ey, undef) = strptime($end_date);
$end_date = sprintf("%04d-%02d-%02d", $ey+1900, $em+1, $ed+1);
$date_bits .= " AND longdescs.bug_when < ?";
push @date_values, $end_date;
}
return ($date_bits, \@date_values);
}
#
# Dependencies
#
sub get_blocker_ids_unique {
my $bug_id = shift;
my @ret = ($bug_id);
get_blocker_ids_deep($bug_id, \@ret);
my %unique;
foreach my $blocker (@ret) {
$unique{$blocker} = $blocker
}
return keys %unique;
}
sub get_blocker_ids_deep {
my ($bug_id, $ret) = @_;
my $deps = Bugzilla::Bug::EmitDependList("blocked", "dependson", $bug_id);
push @{$ret}, @$deps;
foreach $bug_id (@$deps) {
get_blocker_ids_deep($bug_id, $ret);
}
}
#
# Queries and data structure assembly
#
sub query_work_by_buglist {
my ($bugids, $start_date, $end_date) = @_;
my $dbh = Bugzilla->dbh;
my ($date_bits, $date_values) = sqlize_dates($start_date, $end_date);
# $bugids is guaranteed to be non-empty because at least one bug is
# always provided to this page.
my $buglist = join ", ", @{$bugids};
# Returns the total time worked on each bug *per developer*, with
# bug descriptions and developer address
my $q = qq{SELECT sum(longdescs.work_time) as total_time,
profiles.login_name,
longdescs.bug_id,
bugs.short_desc,
bugs.bug_status
FROM longdescs
INNER JOIN profiles
ON longdescs.who = profiles.userid
INNER JOIN bugs
ON bugs.bug_id = longdescs.bug_id
WHERE longdescs.bug_id IN ($buglist)
$date_bits } .
$dbh->sql_group_by('longdescs.bug_id, profiles.login_name',
'bugs.short_desc, bugs.bug_status, longdescs.bug_when') . qq{
ORDER BY longdescs.bug_when};
my $sth = $dbh->prepare($q);
$sth->execute(@{$date_values});
return $sth;
}
sub get_work_by_owners {
my $sth = query_work_by_buglist(@_);
my %res;
while (my $row = $sth->fetch) {
# XXX: Why do we need to check if the total time is positive
# instead of using SQL to do that? Simply because MySQL 3.x's
# GROUP BY doesn't work correctly with aggregates. This is
# really annoying, but I've spent a long time trying to wrestle
# with it and it just doesn't seem to work. Should work OK in
# 4.x, though.
if ($row->[0] > 0) {
my $login_name = $row->[1];
push @{$res{$login_name}}, { total_time => $row->[0],
bug_id => $row->[2],
short_desc => $row->[3],
bug_status => $row->[4] };
}
}
return \%res;
}
sub get_work_by_bugs {
my $sth = query_work_by_buglist(@_);
my %res;
while (my $row = $sth->fetch) {
# Perl doesn't let me use arrays as keys :-(
# merge in ID, status and summary
my $bug = join ";", ($row->[2], $row->[4], $row->[3]);
# XXX: see comment in get_work_by_owners
if ($row->[0] > 0) {
push @{$res{$bug}}, { total_time => $row->[0],
login_name => $row->[1], };
}
}
return \%res;
}
sub get_inactive_bugs {
my ($bugids, $start_date, $end_date) = @_;
my $dbh = Bugzilla->dbh;
my ($date_bits, $date_values) = sqlize_dates($start_date, $end_date);
my $buglist = join ", ", @{$bugids};
my %res;
# This sucks. I need to make sure that even bugs that *don't* show
# up in the longdescs query (because no comments were filed during
# the specified period) but *are* dependent on the parent bug show
# up in the results if they have no work done; that's why I prefill
# them in %res here and then remove them below.
my $q = qq{SELECT DISTINCT bugs.bug_id, bugs.short_desc ,
bugs.bug_status
FROM longdescs
INNER JOIN bugs
ON longdescs.bug_id = bugs.bug_id
WHERE longdescs.bug_id in ($buglist)};
my $sth = $dbh->prepare($q);
$sth->execute();
while (my $row = $sth->fetch) {
$res{$row->[0]} = [$row->[1], $row->[2]];
}
# Returns the total time worked on each bug, with description. This
# query differs a bit from one in the query_work_by_buglist and I
# avoided complicating that one just to make it more general.
$q = qq{SELECT sum(longdescs.work_time) as total_time,
longdescs.bug_id,
bugs.short_desc,
bugs.bug_status
FROM longdescs
INNER JOIN bugs
ON bugs.bug_id = longdescs.bug_id
WHERE longdescs.bug_id IN ($buglist)
$date_bits } .
$dbh->sql_group_by('longdescs.bug_id',
'bugs.short_desc, bugs.bug_status') . qq{
ORDER BY longdescs.bug_when};
$sth = $dbh->prepare($q);
$sth->execute(@{$date_values});
while (my $row = $sth->fetch) {
# XXX: see comment in get_work_by_owners
if ($row->[0] == 0) {
$res{$row->[1]} = [$row->[2], $row->[3]];
} else {
delete $res{$row->[1]};
}
}
return \%res;
}
#
# Misc
#
sub sort_bug_keys {
# XXX a hack is the mother of all evils. The fact that we store keys
# joined by semi-colons in the workdata-by-bug structure forces us to
# write this evil comparison function to ensure we can process the
# data timely -- just pushing it through a numerical sort makes TT
# hang while generating output :-(
my $list = shift;
my @a;
my @b;
return sort { @a = split(";", $a);
@b = split(";", $b);
$a[0] <=> $b[0] } @{$list};
}
#
# Template code starts here
#
Bugzilla->login(LOGIN_REQUIRED);
my $cgi = Bugzilla->cgi;
Bugzilla->switch_to_shadow_db();
UserInGroup(Param("timetrackinggroup"))
|| ThrowUserError("auth_failure", {group => "time-tracking",
action => "access",
object => "timetracking_summaries"});
my @ids = split(",", $cgi->param('id'));
map { ValidateBugID($_) } @ids;
@ids = map { detaint_natural($_) && $_ } @ids;
@ids = grep { Bugzilla->user->can_see_bug($_) } @ids;
my $group_by = $cgi->param('group_by') || "number";
my $monthly = $cgi->param('monthly');
my $detailed = $cgi->param('detailed');
my $do_report = $cgi->param('do_report');
my $inactive = $cgi->param('inactive');
my $do_depends = $cgi->param('do_depends');
my $ctype = scalar($cgi->param("ctype"));
my ($start_date, $end_date);
if ($do_report && @ids) {
my @bugs = @ids;
# Dependency mode requires a single bug and grabs dependents.
if ($do_depends) {
if (scalar(@bugs) != 1) {
ThrowCodeError("bad_arg", { argument=>"id",
function=>"summarize_time"});
}
@bugs = get_blocker_ids_unique($bugs[0]);
@bugs = grep { Bugzilla->user->can_see_bug($_) } @bugs;
}
$start_date = trim $cgi->param('start_date');
$end_date = trim $cgi->param('end_date');
# Swap dates in case the user put an end_date before the start_date
if ($start_date && $end_date &&
str2time($start_date) > str2time($end_date)) {
$vars->{'warn_swap_dates'} = 1;
($start_date, $end_date) = ($end_date, $start_date);
}
($start_date, $end_date) = check_dates($start_date, $end_date);
if ($detailed) {
my %detail_data;
my $res = include_tt_details(\%detail_data, \@bugs, $start_date, $end_date);
$vars->{'detail_data'} = $res;
}
# Store dates ia session cookie the dates so re-visiting the page
# for other bugs keeps them around.
$cgi->send_cookie(-name => 'time-summary-dates',
-value => join ";", ($start_date, $end_date));
my (@parts, $part_data, @part_list);
# Break dates apart into months if necessary; if not, we use the
# same @parts list to allow us to use a common codepath.
if ($monthly) {
# unfortunately it's not too easy to guess a start date, since
# it depends on what bugs we're looking at. We risk bothering
# the user here. XXX: perhaps run a query to see what the
# earliest activity in longdescs for all bugs and use that as a
# start date.
$start_date || ThrowUserError("illegal_date", {'date' => $start_date});
# we can, however, provide a default end date. Note that this
# differs in semantics from the open-ended queries we use when
# start/end_date aren't provided -- and clock skews will make
# this evident!
@parts = split_by_month($start_date,
$end_date || time2str("%Y-%m-%d", time()));
} else {
@parts = ([$start_date, $end_date]);
}
my %empty_hash;
# For each of the separate divisions, grab the relevant summaries
foreach my $part (@parts) {
my ($sub_start, $sub_end) = @{$part};
if (@bugs) {
if ($group_by eq "owner") {
$part_data = get_work_by_owners(\@bugs, $sub_start, $sub_end);
} else {
$part_data = get_work_by_bugs(\@bugs, $sub_start, $sub_end);
}
} else {
# $part_data must be a reference to a hash
$part_data = \%empty_hash;
}
push @part_list, $part_data;
}
if ($inactive && @bugs) {
$vars->{'null'} = get_inactive_bugs(\@bugs, $start_date, $end_date);
} else {
$vars->{'null'} = \%empty_hash;
}
$vars->{'part_list'} = \@part_list;
$vars->{'parts'} = \@parts;
} elsif ($cgi->cookie("time-summary-dates")) {
($start_date, $end_date) = split ";", $cgi->cookie('time-summary-dates');
}
$vars->{'ids'} = \@ids;
$vars->{'start_date'} = $start_date;
$vars->{'end_date'} = $end_date;
$vars->{'group_by'} = $group_by;
$vars->{'monthly'} = $monthly;
$vars->{'detailed'} = $detailed;
$vars->{'inactive'} = $inactive;
$vars->{'do_report'} = $do_report;
$vars->{'do_depends'} = $do_depends;
$vars->{'check_time'} = \&check_time;
$vars->{'sort_bug_keys'} = \&sort_bug_keys;
$vars->{'GetBugLink'} = \&GetBugLink;
$ctype = "html" if !$ctype;
my $format = GetFormat("bug/summarize-time", undef, $ctype);
# Get the proper content-type
print $cgi->header(-type=> Bugzilla::Constants::contenttypes->{$ctype});
$template->process("$format->{'template'}", $vars)
|| ThrowTemplateError($template->error());