File:  [Local Repository] / db / prgsrc / db.cgi
Revision 1.34: download - view: text, annotated - select for diffs - revision graph
Tue Nov 20 21:33:36 2001 UTC (22 years, 5 months ago) by boris
Branches: MAIN
CVS tags: HEAD
corrected bug in loaddump

#!/usr/bin/perl -w

use DBI;
use CGI ':all';
use Text::Query;
use strict;
use Time::Local;
use POSIX qw(locale_h);
use locale;
#open STDERR, ">errors";
my $printqueries=1;
my $debug=0; #added by R7
my %fieldname= (0,'Question', 1, 'Answer', 2, 'Comments', 3, 'Authors', 4, 'Sources');
my %searchin;



my $thislocale;


$searchin{'question'}=param('Question');
$searchin{'answer'}=param('Answer');
$searchin{'comment'}=param('Comment');
$searchin{'authors'}=param('Authors');
$searchin{'sources'}=param('Sources');
my $all=param('all');
$all=0 if lc $all eq 'no';
my ($PWD) = `pwd`;
chomp $PWD;
my ($SRCPATH) = "$PWD/../dimrub/src";
my ($ZIP) = "/home/piataev/bin/zip";
my $DUMPFILE = "/tmp/chgkdump";
my ($SENDMAIL) = "/usr/sbin/sendmail";
my ($TMSECS) = 30*24*60*60;
my (%RevMonths) = 
	('Jan', '0', 'Feb', '1', 'Mar', '2', 'Apr', '3', 'May', '4', 'Jun', '5',
	'Jul', '6', 'Aug', '7', 'Sep', '8', 'Oct', '9', 'Nov', '10',
	'Dec', '11',
	 'Янв', '0', 'Фев', 1, 'Мар', 2, 'Апр', 3, 'Май', '4',
	 'Июн', '5', 'Июл', 6, 'Авг', '7', 'Сен', '8', 
	 'Окт', '9', 'Ноя', '19', 'Дек', '11');

# Determine whether the given time is within 2 months from now.
sub NewEnough {
	my ($a) = @_;
	my ($year, $month, $day) = split('-', $a);

	return (time - timelocal(0, 0, 0, $day, $month -1, $year) < $TMSECS);
}

# Reads one question from the DB. Gets DB handler and Question ID.
sub GetTournament {
	my ($dbh, $Id) = @_;
	my (%Tournament, $field, @arr);

	return %Tournament if ($Id == 0);

	my ($sth) = $dbh->prepare("SELECT * FROM Tournaments WHERE Id=$Id");
	$sth->execute;

	@arr = $sth->fetchrow;
	my($i, $name) = 0;
	foreach $name (@{$sth->{NAME}}) {
		$Tournament{$name} = $arr[$i++];
	}

	return %Tournament;
}

# Reads one question from the DB. Gets DB handler and Question ID.
sub GetQuestion {
	my ($dbh, $QuestionId) = @_;
	my (%Question, $field, @arr);

	my($sth) = $dbh->prepare("
		SELECT * FROM Questions WHERE QuestionId=$QuestionId
	");

	$sth->execute;

	@arr = $sth->fetchrow;
	my($i, $name) = 0;
	foreach $name (@{$sth->{NAME}}) {
		$Question{$name} = $arr[$i++];
	}

	return %Question;
}

# Gets numbers of all the questions from the given tour.
sub GetTourQuestions {
	my ($dbh, $ParentId) = @_;
	my (@arr, @Questions);

	my ($sth) = $dbh->prepare("SELECT QuestionId FROM Questions 
		WHERE ParentId=$ParentId ORDER BY QuestionId");

	$sth->execute;

	while (@arr = $sth->fetchrow) {
		push @Questions, $arr[0];
	}

	return @Questions;
}

# Returns list of children of the given tournament.
sub GetTours {
	my ($dbh, $ParentId) = @_;
	my (@arr, @Tours);

	my ($sth) = $dbh->prepare("SELECT Id FROM Tournaments
		WHERE ParentId=$ParentId ORDER BY Id");

	$sth->execute;

	while (@arr = $sth->fetchrow) {
		push @Tours, $arr[0];
	}

	return @Tours;
}

sub russearch {
            my ($dbh, $sstr, $all,$allnf)=@_;
            my (@qw,@w,@tasks,$qw,@arr,$nf,$sth,@nf,$w,$where,$e,@where,%good,$i,%where,$from);
            my($number,@good,$t,$task,@rho,$rank,%rank,$r2,$r1,$word,$n,@last,$good,@words,%number,$taskid);
            my ($hi, $lo, $wordnumber,$query,$blob,$field,$sf,$ii);
            my @frequence;
            my (@arr1,@ar,@sf,@arr2);
	    my %tasks;
	    my $tasks;
	    my @verybad;
	    my %nf;
            my %tasksof;
            my %wordsof;
            my %relevance;
            my @blob;
            my %count;

$sstr=~tr/йцукенгшщзхъфывапролджэячсмитьбю/ЙЦУКЕНГШЩЗХЪФЫВАПРОЛДЖЭЯЧСМИТЬБЮ/;
    	    @qw=@w =split (' ', uc $sstr);

#-----------
            foreach $i (0..$#w) # заполняем массив @nf начальных форм
                           # $nf[$i] -- ссылка на массив возможных
                           # начальных форм словоформы $i
            {              
                $qw= $dbh->quote (uc $w[$i]);
                $query="  select distinct w2 from nests
                                where w1=$qw";
print "$query",br if $printqueries;
                $sth=$dbh -> prepare($query);
	        $sth -> execute;
	        @{$nf[$i]}=();
	        while (@arr = $sth->fetchrow)
	        {
	           push (@{$nf[$i]},$arr[0])
	        }
            }


            my @bad=grep {!$nf[$_]} 0..$#w; # @bad -- номера словоформ,
                                           # которых нет в словаре

            if (@bad) #есть неопознанные словоформы
            {
               require  "cw.pl";
               foreach $i(@bad)
               {
                 if (@arr=checkword($dbh,$w[$i]))
                   {push (@{$nf[$i]}, @arr);}
                 else
                   {push (@verybad,$i);}
               }
            }
            return () if ($all && @verybad);


            my $kvo=0;
            push @$allnf, @{$_} foreach @nf;
print "nf=@$allnf";

            foreach $i (0..$#w) #запросы в базу...
            {
              @arr=@{$nf[$i]} if $nf[$i];
              @arr2=@arr1=@arr;




              $_= " word2question.word=".$_. ' ' foreach @arr;
              $_= " nf.id=".$_. ' ' foreach @arr1;

#              $_= " nests.w2=".$_. ' ' foreach @arr2;
#              $query="select w1 from nests where". (join ' OR ', @arr2);
#print $query if $printqueries;
#    	      $sth=$dbh -> prepare($query);
#              $sth->execute;
#              while (@ar=$sth->fetchrow)
#              {
#                 $ar[0]=~s/(.)/&nocase($1)/ge;
#                 push(@sf,'(?:'.$ar[0].')');
#              }
#              $selectshablon=join '|',@sf;

#print $selectshablon,br if $printqueries;

#              $selectshablon=qr/$selectshablon/i;




              $query="select questions from word2question where". (join ' OR ', @arr);
print "$query\n",br if $printqueries;

    	      $sth=$dbh -> prepare($query);
              $sth->execute;

              @blob=();
              while (@arr=$sth->fetchrow)
              {
                @blob=(@blob,unpack 'C*',$arr[0]);
              }
              $query="select number from nf where ".(join ' OR ', @arr1);
print "$query\n",br if $printqueries;
    	      $sth=$dbh -> prepare($query);
              $sth->execute;

              while (@arr=$sth->fetchrow)
              {
                $frequence[$i]+=$arr[0];
              }



              if (@blob < 4)
              {
                 $tasksof{$i}=undef;
              } else
              {
                 $kvo++;
                 $ii=0;
                 while ($ii<$#blob)  # создаём хэш %tasksof, ключи которого --
                             # номера искомых словоформ, а значения --
                             # списки вопросов, в которых есть соответствующа
                             # словоформа.
                             # Каждый список в свою очередь также оформлен в
                             # виде хэша, ключи которого -- номера вопросов,
                             # а значения -- списки номеров вхождений. Вот.
                 {
                    ($field,$lo,$hi,$wordnumber)=@blob[$ii..($ii+3)];
                    $ii+=4;
                    $number=$lo+$hi*256;
                    $field=$fieldname{$field};
                    if ($searchin{lc $field})
                    {
                      push @{$tasksof{$i}{$number}}, $wordnumber;
                                      # дополнили в хэше, висящем на
                                      # словоформе $i в %tasksof список
                                      # вхождений $i в вопрос $number.
                      push @{$wordsof{$number}{$i}}, $wordnumber;
                                      # дополнили в хэше, висящем на
                                      # вопросе $number в %wordsof список
                                      # вхождений $i в вопрос $number.


                    }
                 }  #while ($ii<$#blob)
               }
            }    #foreach $i

#print "keys tasksof", join ' ', keys %{$tasksof{0}};
#Ищем пересечение или объединение списков вопросов (значений %tasksof)
       	    foreach $sf (keys %tasksof)
           {
              $count{$_}++ foreach keys %{$tasksof{$sf}};
           }
             @tasks= ($all ? (grep {$count{$_}==$kvo} keys %count) :
                             keys %count) ;


print "\n\$#tasks=",$#tasks,br if $printqueries;
############ Сортировка найденных вопросов

foreach (keys %wordsof)
{
  $relevance{$_}=&relevance($#w,$wordsof{$_},\@frequence) if $_
}

@tasks=sort {$relevance{$b}<=>$relevance{$a}} @tasks;


############

print "tasks=@tasks";

#print "$_ $relevance{$_} | " foreach @tasks;
#print br;
print "allnf=@$allnf",br if $printqueries;
        return  @tasks;
}


sub distance  {
                 # на входе -- номера словоформ и ссылки на
                 # списки вхождений. На выходе -- расстояние,
                 # вычисляемое по формуле min(|b-a-pb+pa|)
                 #                       pb,pa
                 # (pb и pa -- позиции слов b и a)
   my ($a,$b,$lista,$listb)=@_;
   my ($pa,$pb,$min,$curmin);
   $min=10000;
   foreach $pa (@$lista)
   {
     foreach $pb (@$listb)
     {
        $curmin=abs($b-$a-$pb+$pa);
        $min= $curmin if $curmin<$min;
     }
   }
   return $min;

}

sub relevance {
              # На входе -- количество искомых словоформ -1 и
              # ссылка на hash, ключи которого --
              # номера словоформ, а значения -- списки вхождений

       my ($n,$words,$frequence)=@_;
       my $relevance=0;
       my ($first,$second,$d);
       foreach $first (0..$n)
       {
         $relevance+=scalar @{$$words{$first}}+1000+1000/$$frequence[$first]
if $$words{$first};
         foreach $second ($first+1..$n)
         {
            $d=&distance($first,$second,$$words{$first},$$words{$second});
            $relevance+=($d>10?0:10-$d)*10;
         }
       }
       return $relevance;
}



# Returns list of QuestionId's, that have the search string in them.
sub Search {
	my ($dbh, $sstr,$metod,$all,$allnf) = @_;
	my (@arr, @Questions, @fields);
	my (@sar, $i, $sth,$where);

#	push @fields, 'Question';

	if ($metod eq 'rus')
	{
	     my @tasks=russearch($dbh,$sstr,$all,$allnf);
	     return @tasks
	}


###Simple and advanced query processing. Added by R7
	if ($metod eq 'simple' || $metod eq 'advanced') 
	{
          foreach (qw/Question Answer Sources Authors Comments/) {
		if (param($_)) {
			push @fields, $_; 
		}
	   }

	   @fields=(qw/Question Answer Sources Authors Comments/) unless scalar @fields;
	   my $fields=join ",", @fields;
           my $q=new Text::Query($sstr,
                 -parse => 'Text::Query::'. 
                   (($metod eq 'simple') ? 'ParseSimple':'ParseAdvanced'),
                 -solve => 'Text::Query::SolveSQL',
                 -build => 'Text::Query::BuildSQLMySQL',
                 -fields_searched => $fields);

           $where=	$$q{'matchexp'};
           my $query= "SELECT Questionid FROM Questions
                WHERE $where";
           print br."Query is: $query".br if $debug;

           $sth = $dbh->prepare($query);
         } else
######   
         {

	  foreach (qw/Question Answer Sources Authors Comments/) {
		if (param($_)) {
			push @fields, "IFNULL($_, '')";
		}
	  }
	  @sar = split " ", $sstr;
	  for $i (0 .. $#sar) {
		$sar[$i] = $dbh->quote("%${sar[$i]}%");
	  }

	  my($f) = "CONCAT(" . join(',', @fields) . ")";
	  if (param('all') eq 'yes') {
		$sstr = join " AND $f LIKE ", @sar;
	  } else {
		$sstr = join " OR $f LIKE ", @sar;
    	  }

my $query="SELECT QuestionId FROM Questions
		WHERE $f LIKE $sstr ORDER BY QuestionId";
print $query if $printqueries;
	  $sth = $dbh->prepare($query)

	} #else -- processing old-style query (R7)

	$sth->execute;
	while (@arr = $sth->fetchrow) {
		push @Questions, $arr[0];
	}
	
	return @Questions;
}

 # Substitute every letter by a pair (for case insensitive search).
 my (@letters) = qw/аА бБ вВ гГ дД еЕ жЖ зЗ иИ йЙ кК лЛ мМ нН оО 
 пП рР сС тТ уУ фФ хХ цЦ чЧ шШ щЩ ьЬ ыЫ эЭ юЮ яЯ/;
 
sub NoCase {
	my ($sstr) = shift;
	my ($res);

	if (($res) = grep(/$sstr/, @letters)) {
		return "[$res]";
	} else {
		return $sstr;
	}
}

sub PrintSearch {
	my ($dbh, $sstr, $metod) = @_;
	my @allnf;
        my (@Questions) = &Search($dbh, $sstr,$metod,$all,\@allnf);
	my ($output, $i, $suffix, $hits) = ('', 0, '', $#Questions + 1);

        my $shablon;

        if ($metod eq 'rus')
        {
           my $where='0';
           $where.= " or w2=$_ " foreach @allnf;
           my $query="select w1 from nests where $where";
           my $sth=$dbh->prepare($query);
print "$query" if $printqueries;

	   $sth->execute;
	   my @shablon;
	   while (my @arr = $sth->fetchrow)
	   {
	     push @shablon,"(?:$arr[0])";
	   }
           $shablon= join "|", @shablon; 
           $shablon=~s/[её]/\[ЕЁ\]/gi;
#           $shablon=~s/([йцукенгшщзхъфывапролджэячсмитьбюЙЦУКЕНГШЩЗХЪФЫВАПРОЛДЖЭЯЧСМИТЬБЮ])/&NoCase($1)/ge;
           $shablon=qr/$shablon/i;
           print "!$shablon!",br if $printqueries;
        }



	if ($hits =~ /1.$/  || $hits =~ /[5-90]$/) {
		$suffix = 'й';
	} elsif ($hits =~ /1$/) {
		$suffix = 'е';
	} else {
		$suffix = 'я'; 
	}
	
	print p({align=>"center"}, "Результаты поиска на " . strong($sstr)
	. " : $hits попадани$suffix.");

	if (param('word')) {
		$sstr = '[ 	\.\,:;]' . $sstr . '[  \.\,:\;]';
	}

	$sstr =~ s/(.)/&NoCase($1)/ge;

	my(@sar) = split(' ', $sstr);
	for ($i = 0; $i <= $#Questions; $i++) {
		$output = &PrintQuestion($dbh, $Questions[$i], 1, $i + 1, 1);
                if (param('metod') eq 'rus')
                { 
	             $output=~s/\b($shablon)\b/\<strong\>$1\<\/strong\>/gi;
	        } else {
		foreach  (@sar) {
			$output =~ s/$_/<strong>$&<\/strong>/gs;
		}}
		print $output;
	}
}

sub PrintRandom {
   my ($dbh, $type, $num, $text) = @_;
   my (@Questions) = &Get12Random($dbh, $type, $num);
	my ($output, $i) = ('', 0);

	if ($text) {
		$output .= "	$num случайных вопросов.\n\n";
	} else {
		$output .=
			h2({align=>"center"}, "$num случайных вопросов.");
	}

	for ($i = 0; $i <= $#Questions; $i++) {
		# Passing DB handler, question ID, print answer, question
		# number, print title, print text/html
		$output .= 
			&PrintQuestion($dbh, $Questions[$i], 1, $i + 1, 0, $text);
	}
	return $output; 
}

sub PrintTournament {
   my ($dbh, $Id, $answer) = @_;
	my (%Tournament, @Tours, $i, $list, $qnum, $imgsrc, $alt,
		$SingleTour);
	my ($output) = '';

	%Tournament = &GetTournament($dbh, $Id) if ($Id);
	
	my ($URL) = $Tournament{'URL'};
	my ($Info) = $Tournament{'Info'};
	my ($Copyright) = $Tournament{'Copyright'};

	@Tours = &GetTours($dbh, $Id);

	if ($Id) {
		for ($Tournament{'Type'}) {
			/Г/ && do {
				$output .= h2({align=>"center"}, 
					      "Группа: $Tournament{'Title'} ",
					      "$Tournament{'PlayedAt'}") . p . "\n";
				last;
			};
			/Ч/ && do {
				return &PrintTour($dbh, $Tours[0], $answer)
					if ($#Tours == 0);
				
				my $title="Пакет: $Tournament{'Title'}";
				if ($Tournament{'PlayedAt'}) {
				    $title .= " $Tournament{'PlayedAt'}";
				}

				$output .= h2({align=>"center"}, 
					"$title") . p . "\n";
				last;
			};
			/Т/ && do {
				return &PrintTour($dbh, $Id, $answer);
			};
		}
	} else {
		my ($qnum) = GetQNum($dbh);
		$output .= h2("Банк Вопросов: $qnum вопросов") . p . "\n";
	}

	for ($i = 0; $i <= $#Tours; $i++) { 
		%Tournament = &GetTournament($dbh, $Tours[$i]);
		
		if ($Tournament{'Type'} =~ /Ч/) {
			$SingleTour = 0;
			my (@Tours) = &GetTours($dbh, $Tournament{'Id'});
			$SingleTour = 1
				if ($#Tours == 0);
		}
		if ($Tournament{'QuestionsNum'} > 0) {
			$qnum = " ($Tournament{'QuestionsNum'} вопрос" .
				&Suffix($Tournament{'QuestionsNum'}) . ")\n";
		} else {
			$qnum = '';
		}
		if ($Tournament{'Type'} =~ /Г/) {
			$imgsrc = "/icons/folder.gif";
			$alt = "[*]";
		} else {
			$imgsrc = "/icons/folder.gif";
			$alt = "[-]";
		}

		if ($SingleTour or $Tournament{'Type'} =~ /Т/) {
			$list .= dd(img({src=>$imgsrc, alt=>$alt})
				. " " . $Tournament{'Title'} . " " .
				    $Tournament{'PlayedAt'} . $qnum) . 
				dl(
					dd("["
						. a({href=>url .  "?tour=$Tournament{'Id'}&answer=0"},
						"вопросы") . "] ["
                  . a({href=>url .  "?tour=$Tournament{'Id'}&answer=1"},
                  "вопросы + ответы") . "]")
				);
		} else {
			$list .= dd(a({href=>url . "?tour=$Tournament{'Id'}&comp=1"}, 
				img({src=>'/icons/compressed.gif', alt=>'[ZIP]', border=>1}))
				. " " . img({src=>$imgsrc, alt=>$alt}) 
				. " " . a({href=>url . "?tour=$Tournament{'Id'}&answer=0"}, 
				$Tournament{'Title'}. " ". 
					  $Tournament{'PlayedAt'}) . $qnum);
		}
	}
	$output .= dl($list);

	if ($URL) {
		$output .=
		p("Дополнительная информация об этом турнире - по адресу " . 
			a({-'href'=>$URL}, $URL));
	}

	if ($Copyright) {
		$output .= p("Копирайт: " .   $Copyright);
	}

	if ($Info) {
		$output .= p($Info);
	}
	
	return $output;
}

sub Suffix {
	my ($qnum) = @_;
	my ($suffix) = 'а' if $qnum =~ /[234]$/;
   $suffix = '' if $qnum =~ /1$/;
   $suffix = 'ов' if $qnum =~ /[567890]$/ || $qnum =~ /1.$/;
	return $suffix;
}

sub IsTour {
	my ($dbh, $Id) = @_;
	my ($sth) = $dbh->prepare("SELECT Type FROM Tournaments 
		WHERE Id=$Id");
	$sth->execute;
	return ($sth->fetchrow)[0] =~ /Т/;
}

# Gets a DB handler (ofcourse) and a tour Id. Prints all the
# question of that tour, according to the options.
sub PrintTour {
	my ($dbh, $Id, $answer) = @_;
	my ($output, $q, $bottom, $field) = ('', 0, '', '');

	my (%Tour) = &GetTournament($dbh, $Id);
	my (@Tours) = &GetTours($dbh, $Tour{'ParentId'});
	my (%Tournament) = &GetTournament($dbh, $Tour{'ParentId'});

	return 0
		if ($Tour{'Type'} !~ /Т/);

	my ($qnum) = $Tour{'QuestionsNum'};
	my ($suffix) = &Suffix($qnum); 
	
	$output .= h2({align=>"center"}, $Tournament{"Title"}, 
		      $Tournament{'PlayedAt'},
		      "<br>", $Tour{"Title"} . 
		" ($qnum вопрос$suffix)\n") . p;

	my (@Questions) = &GetTourQuestions($dbh, $Id);
	for ($q = 0; $q <= $#Questions; $q++) {
		$output .= &PrintQuestion($dbh, $Questions[$q], $answer, 0);
	} 

	$output .= hr({-'align'=>'center', -'width'=>'80%'});

	if ($Tournament{'URL'}) {
		$output .=
		p("Дополнительная информация об этом турнире - по адресу " . 
			a({-'href'=>$Tournament{'URL'}}, $Tournament{'URL'}));
	}

	if ($Tournament{'Copyright'}) {
		$output .= p("Копирайт: " .   $Tournament{'Copyright'});
	}

	if ($Tournament{'Info'}) {
		$output .= p($Tournament{'Info'});
	}
	

	if ($answer == 0) {
		$bottom .= 
			"[" . a({href=>url . "?tour=$Id&answer=1"}, "ответы") .  "] " . br;
	}
	if (&IsTour($dbh, $Id - 1)) {
		$bottom .= 
			"[" . a({href=>url . "?tour=" . ($Id - 1) . "&answer=0"}, 
			"предыдущий тур") . "] ";
		$bottom .= 
			"[" . a({href=>url . "?tour=" . ($Id - 1) . "&answer=1"}, 
			"предыдущий тур с ответами") . "] " . br;
	}
	if (&IsTour($dbh, $Id + 1)) {
		$bottom .= 
			"[" . a({href=>url . "?tour=" . ($Id + 1) . "&answer=0"}, 
			"следующий тур") . "] ";
		$bottom .= 
			"[" . a({href=>url . "?tour=" . ($Id + 1) . "&answer=1"}, 
			"следующий тур с ответами") . "] ";
	}

	$output .=
		p({align=>"center"}, font({size=>-1}, $bottom));

	return $output;
}

sub PrintField {
	my ($header, $value, $text) = @_;
	if ($text) {
	    $value =~ s/<[\/\w]*>//sg;
	} else {
	    $value =~ s/^\s+/<br>&nbsp;&nbsp;&nbsp;&nbsp;/mg;
	    $value =~ s/^\|([^\n]*)/<pre>$1<\/pre>/mg;
	}

	return $text ? "$header:\n$value\n\n" : 
		strong("$header: ") . $value . p . "\n";
}

# Gets a DB handler (ofcourse) and a question Id. Prints 
# that question, according to the options.
sub PrintQuestion {
	my ($dbh, $Id, $answer, $qnum, $title, $text) = @_;
	my ($output, $titles) = ('', '');

	my (%Question) = &GetQuestion($dbh, $Id);
	if (!$text) {
		$output .= hr({width=>"50%"});
		if ($title) {
			my (%Tour) = GetTournament($dbh, $Question{'ParentId'});
			my (%Tournament) = GetTournament($dbh, $Tour{'ParentId'});
			$titles .=
				dd(img({src=>"/icons/folder.open.gif"}) . " " .
					 a({href=>url . "?tour=$Tournament{'Id'}"}, $Tournament{'Title'}, $Tournament{'PlayedAt'}));
			$titles .=
				dl(dd(img({src=>"/icons/folder.open.gif"}) . " " .
					a({href=>url . "?tour=$Tour{'Id'}"}, $Tour{'Title'})));
		}
		$output .= dl(strong($titles));
	}
	
	$qnum = $Question{'Number'}
		if ($qnum == 0);

	$output .= 
		&PrintField("Вопрос $qnum", $Question{'Question'}, $text);

	if ($answer) {
		$output .= 
			&PrintField("Ответ", $Question{'Answer'}, $text);

		if ($Question{'Authors'}) {
                      my $q=$Question{'Authors'};

		      my $sth=$dbh->prepare("select Authors.Id,Name, Surname, Nicks from Authors, A2Q
                                 where Authors.Id=Author And Question=$Id");
                      $sth->execute;
                      my ($AuthorId,$Name, $Surname,$other,$Nicks);

                      while ((($AuthorId,$Name, $Surname,$Nicks)=$sth->fetchrow),$AuthorId)
                      {
                        my ($firstletter)=$Name=~m/^./g;
#		        $other.=a({href=>url."?qofauthor=$AuthorId"},"$Name $Surname").". ";
                          my $sha="(?:$Name\\s+$Surname)|(?:$Surname\\s+$Name)|(?:$firstletter\\.\\s*$Surname)|(?:$Surname\\s+$firstletter\\.)|(?:$Surname)|(?:$Name)";
                          $Nicks=~s/^\|//;
                          foreach (split /\|/, $Nicks)
                          {
                              s/ /\\s+/;
                              if (s/>$//) {$sha="$sha|(?:$_)"}
                              else        {$sha="(?:$_)|$sha"}
                          }
#$output.=br."sha=$sha".br;
                          $q=~s/($sha)/a({href=>url."?qofauthor=$AuthorId"},$1)/ei;
                      }

			$output .= &PrintField("Автор(ы)", $q, $text);

#                        $output.= &PrintField("Другие вопросы", $other);
		}

		if ($Question{'Sources'}) {
			$output .= &PrintField("Источник(и)", $Question{'Sources'}, $text);
		}

		if ($Question{'Comments'}) {
			$output .= &PrintField("Комментарии", $Question{'Comments'}, $text);
		}
	}
	return $output;
}

# Returns the total number of questions currently in the DB.
sub GetQNum {
	my ($dbh) = @_;
	my ($sth) = $dbh->prepare("SELECT COUNT(*) FROM Questions");
	$sth->execute;
 	return ($sth->fetchrow)[0];
}
sub GetMaxQId {
	my ($dbh) = @_;
	my ($sth) = $dbh->prepare("SELECT MAX(QuestionId) FROM Questions");
	$sth->execute;
 	return ($sth->fetchrow)[0];
}

# Returns Id's of 12 random questions
sub Get12Random {
   my ($dbh, $type, $num) = @_;
	my ($i, @questions, $q, $t, $sth);
	my ($qnum) = &GetMaxQId($dbh);
	my (%chosen);
	srand;
	
   for ($i = 0; $i < $num; $i++) {
       do {
	   $q = int(rand($qnum));
	   $sth = $dbh->prepare("SELECT Type FROM Questions
				WHERE QuestionId=$q");
	   $sth->execute;
	   $t = ($sth->fetchrow)[0];
       } until !$chosen{$q} && $t && $type =~ /[$t]/;
       $chosen{$q} = 'y';
       push @questions, $q;
   }
   return @questions;
}

sub Include_virtual {
	my ($fn, $output) = (@_, '');

	open F , $fn
		or return; #die "Can't open the file $fn: $!\n";
	
	while (<F>) {
		if (/<!--#include/o) {
			s/<!--#include virtual="\/(.*)" -->/&Include_virtual($1)/e;
		}
		if (/<!--#exec/o) {
			s/<!--#exec.*cmd\s*=\s*"([^"]*)".*-->/`$1`/e;
		}
		$output .= $_;
	}
	return $output;
}

sub PrintArchive {
	my($dbh, $Id) = @_;
	my ($output, @list, $i);

	my (%Tournament) = &GetTournament($dbh, $Id);
	my (@Tours) = &GetTours($dbh, $Id);
	
	if ($Tournament{'Type'} =~ /Г/ || $Id == 0) {
		for ($i = 0; $i <= $#Tours; $i++) {
			push(@list ,&PrintArchive($dbh, $Tours[$i]));
		}
		return @list;
	}
	return "$SRCPATH/$Tournament{'FileName'} ";
}

sub PrintAll {
	my ($dbh, $Id) = @_;
	my ($output, $list, $i);

	my (%Tournament) = &GetTournament($dbh, $Id);
	my (@Tours) = &GetTours($dbh, $Id);
	my ($New) = ($Id and $Tournament{'Type'} eq 'Ч' and 
		&NewEnough($Tournament{"CreatedAt"})) ?
		img({src=>"/znatoki/dimrub/db/new-sml.gif", alt=>"NEW!"}) : "";

	if ($Id == 0) {
		$output = h3("Все турниры");
	} else {
		$output .= dd(img({src=>"/icons/folder.gif", alt=>"[*]"}) .
      " " . a({href=>url . "?tour=$Tournament{'Id'}&answer=0"},
      $Tournament{'Title'}) ." " . $Tournament{'PlayedAt'} . " $New");
	}
	if ($Id == 0 or $Tournament{'Type'} =~ /Г/) {
		for ($i = 0; $i <= $#Tours; $i++) {
			$list .= &PrintAll($dbh, $Tours[$i]);
		}
		$output .= dl($list);
	}
	return $output;
}

sub PrintDates {
	my ($dbh) = @_;
	my ($from) = param('from_year') . "-" . param('from_month') . 
		"-" .  param('from_day');
	my ($to) = param('to_year') . "-" . param('to_month') . "-" .  param('to_day');
	$from = $dbh->quote($from);
	$to = $dbh->quote($to);
	my ($sth) = $dbh->prepare("
		SELECT DISTINCT Id
		FROM Tournaments
		WHERE PlayedAt >= $from AND PlayedAt <= $to
		AND Type = 'Ч'
	");
	$sth->execute;
	my (%Tournament, @array, $output, $list);

	$output = h3("Список турниров, проходивших между $from и $to.");
	while (@array = $sth->fetchrow) {
		next
			if (!$array[0]);
		%Tournament = &GetTournament($dbh, $array[0]);
      $list .= dd(img({src=>"/icons/folder.gif", alt=>"[*]"}) .
      " " . a({href=>url . "?tour=$Tournament{'Id'}&answer=0"},
      $Tournament{'Title'}, $Tournament{'PlayedAt'}));
	}
	$output .= dl($list);
	return $output;
}

sub PrintQOfAuthor
{
    my ($dbh, $id) = @_;
   $id=$dbh->quote($id);
    my $sth =  $dbh->prepare("SELECT  Name, Surname FROM Authors WHERE Id=$id");    
    $sth->execute;
    my ($name,$surname)=$sth->fetchrow;

    $sth =  $dbh->prepare("SELECT Question FROM A2Q WHERE Author=$id");    
    $sth->execute;
    my $q;
    my @Questions;	
    while (($q)=$sth->fetchrow,$q)
     {push @Questions,$q;}

    my ($output, $i, $suffix, $hits) = ('', 0, '', $#Questions + 1);

    if ($hits =~ /1.$/  || $hits =~ /[5-90]$/) {
		$suffix = 'й';
	} elsif ($hits =~ /1$/) {
		$suffix = 'е';
	} else {
		$suffix = 'я'; 
	}
	
	print p({align=>"center"}, "Автор ".strong("$name $surname. ") 
	. " : $hits попадани$suffix.");


	for ($i = 0; $i <= $#Questions; $i++) {
		$output = &PrintQuestion($dbh, $Questions[$i], 1, $i + 1, 1);
		print $output;
	}
}


sub PrintAuthors
{
     my ($dbh,$sort)=@_;
     my($output,$out1,@array,$sth);
     if ($sort eq 'surname') 
     {
        $sth = 
             $dbh->prepare("SELECT Id, Name, Surname, QNumber FROM Authors order by Surname");
        
        $output.="<TABLE><CAPTION>Алфавитный список авторов</CAPTION>";
     }
     else
     {
        $sth = 
             $dbh->prepare("SELECT Id, Name, Surname, QNumber FROM Authors Order by QNumber DESC");      
        $output.="<TABLE>";
     }

     $sth->execute;
     $output.=Tr(th["Фамилия, имя", "Количество вопросов"]);

     $out1='';

     my $ar=$sth->fetchall_arrayref;


=head
     foreach my $arr(@$ar)
     {
        $sth = 
             $dbh->prepare("SELECT count(*) FROM A2Q where Author=".$$arr[0]);      
        $sth->execute;

        my ($kvo)=$sth->fetchrow;



        push @$arr, $kvo;
     }

=cut
  

#     sort { }@{$ar}
    
    foreach my $arr(@$ar)
     {
          
           my ($id,$name,$surname,$kvo)=@$arr;
           if (!$name || !$surname) {print "Opanki at $id\n"} else
           {
            print  "!";

             my $add=Tr(td([a({href=>"/cgi-bin/db.cgi?qofauthor=$id"},'[Q] ')."$name $surname", $kvo]))."\n";
             print STDERR $add;
             $output.=$add;
           }
     }
     $output.="</TABLE>";
     return $output;
}


   
MAIN:
{
	setlocale(LC_CTYPE,'russian');
	my($i, $tour);
	my($text) = (param('text')) ? 1 : 0;
	my($dbh) = DBI->connect("DBI:mysql:chgk", "piataev", "")
		or do {
			print h1("Временные проблемы") . "База данных временно не
			работает. Заходите попозже.";
			print &Include_virtual("../dimrub/db/reklama.html");
		    print end_html;
			die "Can't connect to DB chgk\n";
		};
	if (!param('comp') and !param('sqldump') and !$text) {
	   print header;
	   print start_html(-"title"=>'Database of the questions',
	           -author=>'dimrub@icomverse.com',
	           -bgcolor=>'#fff0e0',
				  -vlink=>'#800020');
		print &Include_virtual("../dimrub/db/reklama.html");
	}

if ($^O =~ /win/i) {
	$thislocale = "Russian_Russia.20866";
} else {
	$thislocale = "ru_RU.KOI8-R";
}
POSIX::setlocale( &POSIX::LC_ALL, $thislocale );

if ((uc 'а') ne 'А') {print "Koi8-r locale not installed!\n"};


	if ($text) {
		print header('text/plain');
	}

	if (param('rand')) {
		my ($type, $qnum) = ('', 12);
		$type .= 'Б' if (param('brain'));
		$type .= 'Ч' if (param('chgk'));
		$qnum = param('qnum') if (param('qnum') =~ /^\d+$/);	
		$qnum = 0 if (!$type);
		if (param('email') && -x $SENDMAIL && 
		open(F, "| $SENDMAIL -t -n")) {
			my ($Email) = param('email');
			my ($mime_type) = $text ? "plain" : "html";
			print F <<EOT;
To: $Email
From: olegstemanov\@mail.ru
Subject: Sluchajnij Paket Voprosov "Chto? Gde? Kogda?"
MIME-Version: 1.0
Content-type: text/$mime_type; charset="koi8-r"

EOT
			print F &PrintRandom($dbh, $type, $qnum, $text);
			close F;
			print "Пакет случайно выбранных вопросов послан. Нажмите
			на <B>Reload</B> для получения еще одного пакета";
		} else {
			print &PrintRandom($dbh, $type, $qnum, $text);
		}
	} 
	  elsif (param('authors')){
                print &PrintAuthors($dbh,param('authors'));
        }
          elsif (param('qofauthor')){
                &PrintQOfAuthor($dbh,param('qofauthor'));
        }
          elsif (param('sstr')) {
		&PrintSearch($dbh, param('sstr'), param('metod'));
	} elsif (param('all')) {
		print &PrintAll($dbh, 0);
	} elsif (param('from_year') && param('to_year')) {
		print &PrintDates($dbh);	
	} elsif (param('comp')) {
	    print header(
			 -'Content-Type' => 'application/x-zip-compressed; name="db.zip"',
			 -'Content-Disposition' => 'attachment; filename="db.zip"'
			 );
	    $tour = (param('tour')) ? param('tour') : 0;
	    my (@files) = &PrintArchive($dbh, $tour);
	    open F, "$ZIP -j - $SRCPATH/COPYRIGHT @files |";
	    print (<F>);
	    close F;
	    $dbh->disconnect;
	    exit;
	} elsif (param('sqldump')) {
	    print header(
			 -'Content-Type' => 'application/x-zip-compressed; name="dump.zip"',
			 -'Content-Disposition' => 'attachment; filename="dump.zip"'
			 );
	    open F, "$ZIP -j - $DUMPFILE |";
	    print (<F>);
	    close F;
	    $dbh->disconnect;
	    exit;

	} else {
		$tour = (param('tour')) ? param('tour') : 0;
		if ($tour !~ /^[0-9]*$/) {
			my ($sth) = $dbh->prepare("SELECT Id FROM Tournaments
			WHERE FileName = '$tour.txt'");
			$sth->execute;
			$tour = ($sth->fetchrow)[0];
		}
		print &PrintTournament($dbh, $tour, param('answer'));
	}
	if (!$text) {
		print &Include_virtual("../dimrub/db/footer.html");
		print end_html;
	}
	$dbh->disconnect;
}

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