--- db/prgsrc/db.cgi	2000/10/24 18:03:49	1.12
+++ db/prgsrc/db.cgi	2001/12/03 02:28:56	1.39
@@ -2,10 +2,30 @@
 
 use DBI;
 use CGI ':all';
+use Text::Query;
 use strict;
 use Time::Local;
 use POSIX qw(locale_h);
+use locale;
+#open STDERR, ">errors1";
+my $printqueries=0;
+my %forbidden=();
+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{'comments'}=param('Comments');
+$searchin{'authors'}=param('Authors');
+$searchin{'sources'}=param('Sources');
+my $all=param('all');
+$all=0 if lc $all eq 'no';
 my ($PWD) = `pwd`;
 chomp $PWD;
 my ($SRCPATH) = "$PWD/../dimrub/src";
@@ -13,12 +33,12 @@ my ($ZIP) = "/home/piataev/bin/zip";
 my $DUMPFILE = "/tmp/chgkdump";
 my ($SENDMAIL) = "/usr/sbin/sendmail";
 my ($TMSECS) = 30*24*60*60;
-my (%RevMonths) = 
+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', 
+	 '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.
@@ -73,7 +93,7 @@ sub GetTourQuestions {
 	my ($dbh, $ParentId) = @_;
 	my (@arr, @Questions);
 
-	my ($sth) = $dbh->prepare("SELECT QuestionId FROM Questions 
+	my ($sth) = $dbh->prepare("SELECT QuestionId FROM Questions
 		WHERE ParentId=$ParentId ORDER BY QuestionId");
 
 	$sth->execute;
@@ -102,47 +122,303 @@ sub GetTours {
 	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" if $printqueries;
+
+            foreach $i (0..$#w) #запросы в базу...
+            {
+              @arr=@{$nf[$i]} if $nf[$i];
+              @arr2=@arr1=@arr;
+
+
+
+
+              $_= " word2question.word=".$_. ' ' foreach @arr;
+              $_= " nf.id=".$_. ' ' foreach @arr1;
+#              @arr=(0) unless @arr;
+              $query="select questions from word2question where". (join ' OR ', @arr);
+print STDERR "!$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" if $printqueries;
+
+#print "$_ $relevance{$_} | " 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, $sstr) = @_;
+	my ($dbh, $sstr,$metod,$all,$allnf) = @_;
 	my (@arr, @Questions, @fields);
-	my (@sar, $i, $sth);
+	my (@sar, $i, $sth,$where,$query);
+	my $ip=$ENV{'REMOTE_ADDR'};
+
+        $ip=$dbh->quote($ip);
+	$query=
+          "INSERT into queries (query,metod,searchin,ip)
+                    values (". $dbh->quote($sstr).', '.
+                    $dbh->quote($metod) . ', ' .
+                    $dbh->quote(join ' ', grep $searchin{$_}, keys %searchin)  . 
+              ", $ip)";
+print $query if $printqueries;
+        $dbh -> do ($query);
+
+	if ($metod eq 'rus')
+	{
+	     my @tasks=russearch($dbh,$sstr,$all,$allnf);
+	     return @tasks
+	}
+
 
-#	push @fields, 'Question';
-	foreach (qw/Question Answer Sources Authors Comments/) {
+###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, "IFNULL($_, '')";
+			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'};
+           $query= "SELECT Questionid FROM Questions
+                WHERE $where";
+           print br."Query is: $query".br if $debug;
+
+           $sth = $dbh->prepare($query);
+         } else
+######
+         {
 
-	@sar = split " ", $sstr;
-	for $i (0 .. $#sar) {
+	  foreach (qw/Question Answer Sources Authors Comments/) {
+		if (param($_)) {
+			push @fields, "IFNULL($_, '')";
+		}
+	  }
+	  @sar = split " ", $sstr;
+	  for $i (0 .. $#sar) {
 		$sar[$i] = $dbh->quote("%${sar[$i]}%");
-	}
+	  }
 
-	my($f) = "CONCAT(" . join(',', @fields) . ")";
-	if (param('all') eq 'yes') {
+	  my($f) = "CONCAT(" . join(',', @fields) . ")";
+	  if (param('all') eq 'yes') {
 		$sstr = join " AND $f LIKE ", @sar;
-	} else {
+	  } else {
 		$sstr = join " OR $f LIKE ", @sar;
-	}
-	
-	$sth = $dbh->prepare("SELECT QuestionId FROM Questions
-		WHERE $f LIKE $sstr ORDER BY QuestionId");
+    	  }
+
+   my $query;
+               $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];
+		push @Questions, $arr[0] unless $forbidden{$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 
+ 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);
@@ -155,18 +431,44 @@ sub NoCase {
 }
 
 sub PrintSearch {
-	my ($dbh, $sstr) = @_;
-   my (@Questions) = &Search($dbh, $sstr);
+	my ($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'; 
+		$suffix = 'я';
 	}
-	
+
 	print p({align=>"center"}, "Результаты поиска на " . strong($sstr)
 	. " : $hits попадани$suffix.");
 
@@ -176,12 +478,16 @@ sub PrintSearch {
 
 	$sstr =~ s/(.)/&NoCase($1)/ge;
 
-	my(@sar) = split(/\s/, $sstr);
+	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 $output;
 	}
 }
@@ -201,10 +507,10 @@ sub PrintRandom {
 	for ($i = 0; $i <= $#Questions; $i++) {
 		# Passing DB handler, question ID, print answer, question
 		# number, print title, print text/html
-		$output .= 
+		$output .=
 			&PrintQuestion($dbh, $Questions[$i], 1, $i + 1, 0, $text);
 	}
-	return $output; 
+	return $output;
 }
 
 sub PrintTournament {
@@ -214,7 +520,7 @@ sub PrintTournament {
 	my ($output) = '';
 
 	%Tournament = &GetTournament($dbh, $Id) if ($Id);
-	
+
 	my ($URL) = $Tournament{'URL'};
 	my ($Info) = $Tournament{'Info'};
 	my ($Copyright) = $Tournament{'Copyright'};
@@ -224,7 +530,7 @@ sub PrintTournament {
 	if ($Id) {
 		for ($Tournament{'Type'}) {
 			/Г/ && do {
-				$output .= h2({align=>"center"}, 
+				$output .= h2({align=>"center"},
 					      "Группа: $Tournament{'Title'} ",
 					      "$Tournament{'PlayedAt'}") . p . "\n";
 				last;
@@ -232,13 +538,13 @@ sub PrintTournament {
 			/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"}, 
+				$output .= h2({align=>"center"},
 					"$title") . p . "\n";
 				last;
 			};
@@ -251,9 +557,9 @@ sub PrintTournament {
 		$output .= h2("Банк Вопросов: $qnum вопросов") . p . "\n";
 	}
 
-	for ($i = 0; $i <= $#Tours; $i++) { 
+	for ($i = 0; $i <= $#Tours; $i++) {
 		%Tournament = &GetTournament($dbh, $Tours[$i]);
-		
+
 		if ($Tournament{'Type'} =~ /Ч/) {
 			$SingleTour = 0;
 			my (@Tours) = &GetTours($dbh, $Tournament{'Id'});
@@ -277,7 +583,7 @@ sub PrintTournament {
 		if ($SingleTour or $Tournament{'Type'} =~ /Т/) {
 			$list .= dd(img({src=>$imgsrc, alt=>$alt})
 				. " " . $Tournament{'Title'} . " " .
-				    $Tournament{'PlayedAt'} . $qnum) . 
+				    $Tournament{'PlayedAt'} . $qnum) .
 				dl(
 					dd("["
 						. a({href=>url .  "?tour=$Tournament{'Id'}&answer=0"},
@@ -286,11 +592,11 @@ sub PrintTournament {
                   "вопросы + ответы") . "]")
 				);
 		} else {
-			$list .= dd(a({href=>url . "?tour=$Tournament{'Id'}&comp=1"}, 
+			$list .= dd(a({href=>url . "?tour=$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"}, 
-				$Tournament{'Title'}. " ". 
+				. " " . img({src=>$imgsrc, alt=>$alt})
+				. " " . a({href=>url . "?tour=$Tournament{'Id'}&answer=0"},
+				$Tournament{'Title'}. " ".
 					  $Tournament{'PlayedAt'}) . $qnum);
 		}
 	}
@@ -298,7 +604,7 @@ sub PrintTournament {
 
 	if ($URL) {
 		$output .=
-		p("Дополнительная информация об этом турнире - по адресу " . 
+		p("Дополнительная информация об этом турнире - по адресу " .
 			a({-'href'=>$URL}, $URL));
 	}
 
@@ -309,7 +615,7 @@ sub PrintTournament {
 	if ($Info) {
 		$output .= p($Info);
 	}
-	
+
 	return $output;
 }
 
@@ -323,7 +629,7 @@ sub Suffix {
 
 sub IsTour {
 	my ($dbh, $Id) = @_;
-	my ($sth) = $dbh->prepare("SELECT Type FROM Tournaments 
+	my ($sth) = $dbh->prepare("SELECT Type FROM Tournaments
 		WHERE Id=$Id");
 	$sth->execute;
 	return ($sth->fetchrow)[0] =~ /Т/;
@@ -343,23 +649,23 @@ sub PrintTour {
 		if ($Tour{'Type'} !~ /Т/);
 
 	my ($qnum) = $Tour{'QuestionsNum'};
-	my ($suffix) = &Suffix($qnum); 
-	
-	$output .= h2({align=>"center"}, $Tournament{"Title"}, 
+	my ($suffix) = &Suffix($qnum);
+
+	$output .= h2({align=>"center"}, $Tournament{"Title"},
 		      $Tournament{'PlayedAt'},
-		      "<br>", $Tour{"Title"} . 
+		      "<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'}) {
 		$output .=
-		p("Дополнительная информация об этом турнире - по адресу " . 
+		p("Дополнительная информация об этом турнире - по адресу " .
 			a({-'href'=>$Tournament{'URL'}}, $Tournament{'URL'}));
 	}
 
@@ -370,26 +676,26 @@ sub PrintTour {
 	if ($Tournament{'Info'}) {
 		$output .= p($Tournament{'Info'});
 	}
-	
+
 
 	if ($answer == 0) {
-		$bottom .= 
+		$bottom .=
 			"[" . a({href=>url . "?tour=$Id&answer=1"}, "ответы") .  "] " . br;
 	}
 	if (&IsTour($dbh, $Id - 1)) {
-		$bottom .= 
-			"[" . a({href=>url . "?tour=" . ($Id - 1) . "&answer=0"}, 
+		$bottom .=
+			"[" . a({href=>url . "?tour=" . ($Id - 1) . "&answer=0"},
 			"предыдущий тур") . "] ";
-		$bottom .= 
-			"[" . a({href=>url . "?tour=" . ($Id - 1) . "&answer=1"}, 
+		$bottom .=
+			"[" . a({href=>url . "?tour=" . ($Id - 1) . "&answer=1"},
 			"предыдущий тур с ответами") . "] " . br;
 	}
 	if (&IsTour($dbh, $Id + 1)) {
-		$bottom .= 
-			"[" . a({href=>url . "?tour=" . ($Id + 1) . "&answer=0"}, 
+		$bottom .=
+			"[" . a({href=>url . "?tour=" . ($Id + 1) . "&answer=0"},
 			"следующий тур") . "] ";
-		$bottom .= 
-			"[" . a({href=>url . "?tour=" . ($Id + 1) . "&answer=1"}, 
+		$bottom .=
+			"[" . a({href=>url . "?tour=" . ($Id + 1) . "&answer=1"},
 			"следующий тур с ответами") . "] ";
 	}
 
@@ -407,11 +713,12 @@ sub PrintField {
 	    $value =~ s/^\s+/<br>&nbsp;&nbsp;&nbsp;&nbsp;/mg;
 	    $value =~ s/^\|([^\n]*)/<pre>$1<\/pre>/mg;
 	}
-	return $text ? "$header:\n$value\n\n" : 
+
+	return $text ? "$header:\n$value\n\n" :
 		strong("$header: ") . $value . p . "\n";
 }
 
-# Gets a DB handler (ofcourse) and a question Id. Prints 
+# 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) = @_;
@@ -432,19 +739,50 @@ sub PrintQuestion {
 		}
 		$output .= dl(strong($titles));
 	}
-	
+
 	$qnum = $Question{'Number'}
 		if ($qnum == 0);
 
-	$output .= 
+	$output .=
 		&PrintField("Вопрос $qnum", $Question{'Question'}, $text);
 
 	if ($answer) {
-		$output .= 
+		$output .=
 			&PrintField("Ответ", $Question{'Answer'}, $text);
 
 		if ($Question{'Authors'}) {
-			$output .= &PrintField("Автор(ы)", $Question{'Authors'}, $text);
+                      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").". ";
+                         $Name=~s/\./\\\./g;
+                          my $sha="(?:$Name\\s+$Surname)|(?:$Surname\\s+$Name)|(?:$firstletter\\.\\s*$Surname)|(?:$Surname\\s+$firstletter\\.)|(?:$Surname)|(?:$Name)";
+                          if ($Nicks)
+                          {
+                            $Nicks=~s/^\|//;
+                            foreach (split /\|/, $Nicks)
+                            {
+                              s/\s+/ /g;
+                              s/\s+$//;
+                              s/ /\\s+/g;
+                              s/\./\\\./g;
+                              if (s/>$//) {$sha="$sha|(?:$_)"}
+                              else        {$sha="(?:$_)|$sha"}
+                            }
+                          }
+                          $q=~s/($sha)/a({href=>url."?qofauthor=$AuthorId"},$1)/ei;
+                      }
+
+			$output .= &PrintField("Автор(ы)", $q, $text);
+
+#                        $output.= &PrintField("Другие вопросы", $other);
 		}
 
 		if ($Question{'Sources'}) {
@@ -479,7 +817,7 @@ sub Get12Random {
 	my ($qnum) = &GetMaxQId($dbh);
 	my (%chosen);
 	srand;
-	
+
    for ($i = 0; $i < $num; $i++) {
        do {
 	   $q = int(rand($qnum));
@@ -499,7 +837,7 @@ sub Include_virtual {
 
 	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;
@@ -518,7 +856,7 @@ sub PrintArchive {
 
 	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]));
@@ -534,7 +872,7 @@ sub PrintAll {
 
 	my (%Tournament) = &GetTournament($dbh, $Id);
 	my (@Tours) = &GetTours($dbh, $Id);
-	my ($New) = ($Id and $Tournament{'Type'} eq 'Ч' and 
+	my ($New) = ($Id and $Tournament{'Type'} eq 'Ч' and
 		&NewEnough($Tournament{"CreatedAt"})) ?
 		img({src=>"/znatoki/dimrub/db/new-sml.gif", alt=>"NEW!"}) : "";
 
@@ -556,7 +894,7 @@ sub PrintAll {
 
 sub PrintDates {
 	my ($dbh) = @_;
-	my ($from) = param('from_year') . "-" . param('from_month') . 
+	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);
@@ -583,11 +921,102 @@ sub PrintDates {
 	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 unless $forbidden{$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 =
+             $dbh->prepare("SELECT Id, Name, Surname, QNumber FROM Authors order by Surname, Name");
+     }
+     elsif($sort eq 'name')
+     {
+        $sth =
+             $dbh->prepare("SELECT Id, Name, Surname, QNumber FROM Authors order by Name, Surname");
+     }
+     else
+     {
+        $sth =
+             $dbh->prepare("SELECT Id, Name, Surname, QNumber FROM Authors Order by QNumber DESC, Surname");
+     }
+
+     $output.=h2("Авторы вопросов")."\n";
+     $output.="<TABLE>";
+
+
+     $sth->execute;
+     $output.=Tr(th[a({href=>url."?authors=name"},"Имя")
+.", ".
+a({href=>url."?authors=surname"},"фамилия")
+     , a({href=>url."?authors=kvo"},"Количество вопросов")]);
+
+     $out1='';
+
+     my $ar=$sth->fetchall_arrayref;
+
+
+
+    foreach my $arr(@$ar)
+     {
+
+           my ($id,$name,$surname,$kvo)=@$arr;
+           if (!$name || !$surname) {#print "Opanki at $id\n"
+              } else
+           {
+             my $add=Tr(td([a({href=>url."?qofauthor=$id"},"$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
@@ -605,17 +1034,38 @@ MAIN:
 		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('hideequal')) {
+	           my ($sth)=  $dbh -> prepare("select first, second FROM equalto");
+	           $sth -> execute;
+	           while ( my  ($first, $second)=$sth -> fetchrow)
+                  {
+                       $forbidden{$first}=1;
+                  }
+                  $sth->finish;
+        }
+
+
 	if (param('rand')) {
 		my ($type, $qnum) = ('', 12);
 		$type .= 'Б' if (param('brain'));
 		$type .= 'Ч' if (param('chgk'));
-		$qnum = param('qnum') if (param('qnum') =~ /^\d+$/);	
+		$qnum = param('qnum') if (param('qnum') =~ /^\d+$/);
 		$qnum = 0 if (!$type);
-		if (param('email') && -x $SENDMAIL && 
+		if (param('email') && -x $SENDMAIL &&
 		open(F, "| $SENDMAIL -t -n")) {
 			my ($Email) = param('email');
 			my ($mime_type) = $text ? "plain" : "html";
@@ -634,12 +1084,19 @@ EOT
 		} else {
 			print &PrintRandom($dbh, $type, $qnum, $text);
 		}
-	} elsif (param('sstr')) {
-		&PrintSearch($dbh, param('sstr'));
+	}
+	  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($dbh);	
+		print &PrintDates($dbh);
 	} elsif (param('comp')) {
 	    print header(
 			 -'Content-Type' => 'application/x-zip-compressed; name="db.zip"',