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#!/usr/local/bin/perl 

=head1 NAME

updatedb.pl - a script for creation of new database. 

=head1 SYNOPSIS

updatedb.pl B<[-i]> I<file1> I<file2>....


=head1 DESCRIPTION

Updates information in the B<chgk> databse. Uses file

=head1 OPTIONS

=item B<-i> 

Ask about ParentId. 


=head1 BUGS

The database, user and password are hardcoded. 

=head1 AUTHOR

Dmitry Rubinstein

=head1 $Id: updatedb.pl,v 1.45 2009/05/21 11:33:26 roma7 Exp $

=cut

use vars qw($opt_i);

use Getopt::Std;
my $unsortedname="../dump/unsorted";
getopts('i');
#open STDERR, ">errors";
my $Interactive=$opt_i || 0;
my $DUMPDIR = $ENV{DUMPDIR} || "../dump";

my (%RevMonths) = 
    ('Jan', '1', 'Feb', '2', 'Mar', '3', 'Apr', '4', 'May', '5', 'Jun', '6',
     'Jul', '7', 'Aug', '8', 'Sep', '9', 'Oct', '10', 'Nov', '11',
     'Dec', '12', 
     'JAN', '1', 'FEB', '2', 'MAR', '3', 'APR', '4', 'MAY', '5', 'JUN', '6',
     'JUL', '7', 'AUG', '8', 'SEP', '9', 'OCT', '10', 'NOV', '11',
     'DEC', '12', 
     'Янв', '1', 'Фев', '2', 'Мар', '3', 'Апр', '4', 'Май', '5',
     'Июн', '6', 'Июл', '7', 'Авг', '8', 'Сен', '9', 
     'Окт', '10', 'Ноя', '11', 'Дек', '12');
my ($sth);





use DBI;
use strict;
my $isunsorted=0;
sub UpdateParents {
    my ($dbh, $ParentId, $all_qnum,$CreatedAt) = @_;
    if ($ParentId) {
  my ($sth1) = $dbh->prepare("SELECT QuestionsNum, ParentId, CreatedAt
FROM Tournaments WHERE Id = $ParentId");
  $sth1->execute;
  my ($q, $p,$c) = ($sth1->fetchrow)[0, 1, 2];
  $c=$CreatedAt if $CreatedAt && ($CreatedAt gt $c);
  my $qc=$dbh->quote($c);
  $dbh->do("UPDATE Tournaments SET 
                  QuestionsNum=$q + $all_qnum, CreatedAt=$qc
                  WHERE Id = $ParentId");
  &UpdateParents($dbh, $p, $all_qnum,$c);
    }
}


sub getField {
    my($desc, $dbh) = @_;
    my($key);
    my($value) = ('');
    while (<$desc>) {
  s/[
]//g;
  if ($key && /^\s*$/) {
      chomp $value;
            $value =~ s/\s+$//;
      chomp $key;
      if ($key eq 'Дата') {
    $value =~ s/^(.*)-(.*)-(.*)$/$3-$2-$1/;
    my($month) = $RevMonths{$2} || '01';
    $value =~ s/-(.*)-/-$month-/;
    $value =~ s/-00*$/-01/;
      }
      if ($key eq 'Автор') {$value=~s/\.$//;}
      $value = $dbh->quote($value);
      return ($key, $value);
  }
  next if (/^\s*$/);
  
  if (!$key && /^(.*?)[:\.]\s*(.*)$/s) {
      $key = $1;
      $value=$2;
      next;
  }
  if ($key) {
      $value .= $_;
      next;
  }
    }
    if ($key && $value) {
        $value=~s/\s+$//;
  $value = $dbh->quote($value);
  return ($key, $value);
    }
    return (0, 0);
}

sub SelectGroup {
    my ($dbh, $source, $TourName) = @_;
    my ($sth, $ParentId, $i, @arr);

    if ($Interactive) {    
      $sth = $dbh->prepare("SELECT Id, Title FROM
    Tournaments WHERE Type = 'Г'");
      $sth->execute;
      print "Выберите группу для турнира:\n$TourName, файл $source\n\n";
      while (@arr=$sth->fetchrow) {
    print "[$arr[0]] $arr[1]\n";
      }
      $ParentId = <STDIN>;
      chomp $ParentId;
      if (!$ParentId) {
    print "Пропускаем файл $source\n";
    print STDERR "Файл $source отвергнут оператором\n";
    return (0,0);
      } else {
    print "Вы выбрали турнир: $ParentId\n";
    $sth = $dbh->prepare("INSERT INTO Tournaments
            (Title, Type, ParentId, FileName) 
             VALUES ($TourName, 'Ч', $ParentId, 
                                       $source)");
    $sth->execute;
    my $TournamentId = $sth->{mysql_insertid};
    return ($TournamentId,$ParentId);
  }
    } else {
# Теперь, если файла нет в дереве турниров, никаких вопросов не 
# задаётся, а вместо этого он добавляется в группу 9999
    $ParentId = 9999;
    my $tempsource=$source;
    my $temptname=$TourName;
                $tempsource=~s/^\'(.*)\'$/$1/;
                $temptname=~s/^\'(.*)\'$/$1/;
      print UNSORTED "$tempsource".((12 -length($source))x' ')."\t$temptname\n";
    $isunsorted=1;
    $sth = $dbh->prepare("INSERT INTO Tournaments
            (Title, Type, ParentId, FileName,CreatedAt) 
             VALUES ($TourName, 'Ч', $ParentId, 
                                       $source,NOW())");
                $sth->execute;
    my $TournamentId = $sth->{mysql_insertid};
    return ($TournamentId,$ParentId);
  }
    
    
}

sub UpdateTournament {
    my ($dbh, $TournamentId, $field, $value) = @_;
    $dbh->do("UPDATE Tournaments SET $field=$value WHERE Id=$TournamentId")
  or die $dbh->errstr;
}

sub UpdateQuestion {
    my ($dbh, $QuestionId, $field, $value) = @_;
    
    if (($field eq 'Type') && ($value eq "'Д'")) {
         $value = "'ЧД'";
    }
    $dbh->do("UPDATE Questions SET $field=$value 
    WHERE QuestionId=$QuestionId")
  or die $dbh->errstr;
}

sub CheckFile {
    my ($dbh, $source, $title) = @_;
    my $sth = $dbh->prepare("SELECT Id,ParentId,QuestionsNum FROM Tournaments
                             WHERE FileName=$source AND Type='Ч'");
    $sth->execute or die $dbh->errstr;
    my @arr = $sth->fetchrow;
    if (! scalar @arr) {
  return SelectGroup($dbh,$source,$title);
    }
    my($Id,$ParentId,$QuestionsNum)=@arr;
    if($QuestionsNum) { 
  print "Файл $source с данными $title уже существует. ",
  "Заменить?[y/N]\n";
  my $answer = <STDIN>;
  if ($answer !~ /^[yY]/) {
      return (0,0);
  } else {
      DeleteTournament($dbh,$Id,$ParentId,$QuestionsNum,0);
  }
    } 
    return($Id,$ParentId);  
}


sub DeleteTournament {
    my ($dbh,$Id,$ParentId,$QuestionsNum,$DeleteMyself) = @_;
    if ($QuestionsNum) {
  UpdateParents($dbh,$ParentId,-$QuestionsNum);
    }
    my (@Tours) = &GetTours($dbh, $Id);
    foreach my $Tour (@Tours) {
  DeleteTournament($dbh,$Tour,$Id,0,1);
    }
    my $sth = $dbh->prepare("DELETE FROM Questions
                             WHERE ParentId=$Id");
    $sth->execute or die $dbh->errstr;
    if($DeleteMyself) {
  $sth = $dbh->prepare("DELETE FROM Tournaments
                             WHERE Id=$Id");
  $sth->execute or die $dbh->errstr;
    }
}

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 CreateTour {
    my ($dbh,$title,$ParentId,$TourNum,$rh_defaults)=@_;
    my $sth = $dbh->prepare("INSERT INTO Tournaments
           (Title, Type, ParentId, Number,CreatedAt) 
           VALUES ($title, 'Т', $ParentId, $TourNum,NOW())");
    $sth->execute;
    my $TourId = $sth->{mysql_insertid};
    while (my ($key,$value)=each %$rh_defaults) {
  &UpdateTournament($dbh, $TourId, $key, $value);
    }
    return $TourId;
}
    

MAIN: 
{
    my($key, $value, $addition);
    #
    # Inherited fields for a Tour or Tournament
    #
    my %TourFields = ('Копирайт' => 'Copyright',
          'Инфо' => 'Info', 'URL' => 'URL',
          'Ссылка' => 'URL', 'Редактор' => 'Editors',
          'Обработан'=> 'EnteredBy',
          'Дата'=>'PlayedAt');
    #
    # Inherited fields for a Question
    #
    my %QuestionFields = ('Тип'=> 'Type', 'Вид'=> 'Type', 
        'Автор' => 'Authors', 'Рейтинг'=>'Rating', 
        'Источник' => 'Sources',
        'Тема' => 'Topic');
        
          
    my($source);
    
    my($dbh) = DBI->connect("DBI:mysql:chgk", "piataev", "")
  or die "Can't connect to DB chgk\n";
if ($dbh->get_info( 18 )=~/^(5|(4.1))/)  {$dbh->do("SET NAMES 'koi8r'");}
    my @sources;  
    open UNSORTED, ">$unsortedname";
    while ($source = shift) {
       push @sources,glob($source);
    }
    foreach $source(@sources) {
  my $TourNum=0;
  my($PlayedAt) = '';
  my($QuestionId, $TourId, $TournamentId, $ParentId) = (0, 0, 0, 0);
  my($tournum, $qnum, $all_qnum) = (0, 0, 0);
  my (@d) = (localtime((stat($source))[9]))[5,4,3];
  $d[1]++;
  $d[1]=sprintf("%02d",$d[1]);
  $d[2]=sprintf("%02d",$d[2]);
  $d[0]+=1900;
  my $UnquotedCreated=join('-', @d);
  my ($CreatedAt) = $dbh->quote($UnquotedCreated);

  open INFD, $source 
      or die "Can't open input file: $!\n";
  
  $source =~ s/^.*\/([^\/]*)$/$1/;
  my $unquotedsource=$source;
  $unquotedsource=~s/\.txt\s*$//;
  $source = $dbh->quote($source);
  print STDERR "Файл: $source, дата: $CreatedAt ";
  my %TourDefaults=('CreatedAt'=>$CreatedAt);
  my %QuestionDefaults=();
  my %QuestionGlobalDefaults=('Type'=>$dbh->quote('Ч'));
  while (($key, $value) = getField(\*INFD, $dbh)) {
      last if (!$key);
      
      if ($key =~ /Мета/) {
    next;   # This is obsolete
      }
      if ($key =~ /Чемпионат/ || $key =~ /Пакет/) {   
    ($TournamentId, $ParentId) = CheckFile($dbh,$source,$value);
    if (!$TournamentId)  {
        last;
    } 
    $sth = $dbh->prepare("UPDATE Tournaments SET
                   Title=$value, Type='Ч', 
                                     ParentId=$ParentId, 
                                     FileName=$source, 
                                     CreatedAt=$CreatedAt
                                     WHERE
                                     Id=$TournamentId");
    $sth->execute;
    next;
      }
      if ($key =~ /Тур/) {
    if ($TourId) {

          $dbh->do("UPDATE Tournaments SET QuestionsNum=$qnum
            WHERE Id=$TourId");
    }
    $qnum = 0;
    $TourNum++;
    $TourDefaults{'FileName'}=$dbh->quote(
                              "$unquotedsource.$TourNum"
            );
    $TourId=CreateTour($dbh,$value,$TournamentId,$TourNum,
           \%TourDefaults);
    %QuestionDefaults=%QuestionGlobalDefaults;
    $QuestionId=0;
    next; 
      }
      if ($key =~ /Вопрос/) {
    if (!$TourId) {
        $qnum = 0;
        $TourNum++;
        $TourId=CreateTour($dbh,'1',$TournamentId,$TourNum,
               \%TourDefaults);
        %QuestionDefaults=%QuestionGlobalDefaults;
    }
    my $query = "INSERT INTO Questions 
           (ParentId, Number) 
           VALUES ($TourId, $qnum+1)";
    $sth = $dbh->prepare($query);
    $sth->execute or print $query;;
    $QuestionId = $sth->{mysql_insertid};
    &UpdateQuestion($dbh, $QuestionId, "Question", $value);
    while (my ($key,$value)=each %QuestionDefaults) {
        &UpdateQuestion($dbh, $QuestionId, $key, $value);
    }   
    $qnum++;
    $all_qnum++;
    next;
      }

      if ($key =~ /Ответ/) {
    &UpdateQuestion($dbh, $QuestionId, "Answer", $value);
    next;
      }


      if ($key =~ /Зач[её]т/) {
    &UpdateQuestion($dbh, $QuestionId, "PassCriteria", $value);
    next;
      }



      if ($key =~ /Комментари/) {
    &UpdateQuestion($dbh, $QuestionId, "Comments", $value);
    next;
      }


      
      my @Fields = grep { $key =~ /$_/ } keys %QuestionFields;

      if (scalar @Fields) {
    my $word = shift @Fields;
    my $field = $QuestionFields{$word};
    if ($QuestionId) {
        &UpdateQuestion($dbh, $QuestionId, $field, $value);
    } elsif ($TourId) {
        $QuestionDefaults{$field}=$value;
    } else {
        $QuestionGlobalDefaults{$field}=$value;
    }
    next;
      }

      @Fields = grep { $key =~ /$_/ } keys %TourFields;

      if (scalar @Fields) {
    my $word = shift @Fields;
    my $field = $TourFields{$word};
    if ($QuestionId) {
        print STDERR "ОШИБКА: $key $value недопустимы после",
        " начала вопросов\n";
    } elsif ($TourId) {
        &UpdateTournament($dbh, $TourId, $field, $value);
    } else {
        &UpdateTournament($dbh, $TournamentId, $field, $value);
        $TourDefaults{$field}=$value;
    }
    next;
      }

      
      #
      # If we are here, something got wrong!
      #
      print STDERR "\nЯ НЕ ПОНИМАЮ: $key, $value!\n";
      
  }
  $dbh->do("UPDATE Tournaments SET QuestionsNum=$qnum
      WHERE Id=$TourId");
  $dbh->do("UPDATE Tournaments SET QuestionsNum=$all_qnum
      WHERE Id=$TournamentId");
  &UpdateParents($dbh, $ParentId, $all_qnum,$UnquotedCreated);    
  print STDERR "Всего вопросов: $all_qnum \n";
    }
    close UNSORTED;
    unlink $unsortedname unless $isunsorted;
    $dbh->disconnect;
}