1: #!/usr/local/bin/perl -w
2:
3: =head1 NAME
4:
5: updateindex.pl - a script for creation of new database.
6:
7: =head1 SYNOPSIS
8:
9: updateind.pl [B<-i> I<indexfile>] [B<-y>|B<-n>] [B<-r>]
10:
11:
12: =head1 DESCRIPTION
13:
14: Upadets metainformation in the B<chgk> databse.
15:
16: An example of the index file follows:
17:
18: Авторские вопросы
19: Виктор Байрак
20: bayrak.txt Вопросы В.Байрака
21: Борис Бурда
22: burda.txt Вопросы Бориса Бурды
23: burda1.txt Тренировки Бориса Бурды 1
24: burda10.txt Тренировки Бориса Бурды 10
25: burda11.txt Тренировки Бориса Бурды 11
26: burda12.txt Тренировки Бориса Бурды 12
27:
28:
29: =head1 OPTIONS
30:
31: =over 4
32:
33: =item B<-i> I<indexfile>
34:
35: The index file to read (Standard input by default)
36:
37: =item B<-y>
38:
39: Answer 'yes' to all questions
40:
41: =item B<-n>
42:
43: Answer 'no' to all questions
44:
45: =item B<-r>
46:
47: Remove all entries with zero QuestionNum
48:
49: =head1 BUGS
50:
51: The database, user and password are hardcoded.
52:
53: =head1 SEE ALSO
54:
55: createindex.pl(1)
56:
57: =head1 AUTHOR
58:
59: Boris Veytsman
60:
61: =head1 $Id: updateindex.pl,v 1.7 2000/11/11 00:35:39 boris Exp $
62:
63: =cut
64:
65: use strict;
66: use vars qw($opt_i $opt_h $opt_y $opt_n $opt_r);
67:
68: use Getopt::Std;
69: use DBI;
70:
71: MAIN:
72: {
73: my $USAGE="Usage: updateindex.pl [-i indexfile] [-y|-n][-r]\n";
74: my $REMOVE=0;
75: getopts('hi:ynr') or die $USAGE;
76: if ($opt_h) {
77: print $USAGE;
78: exit 0;
79: }
80: my $decision='askuser';
81: if ($opt_y) {
82: $decision = 'yes';
83: }
84: if ($opt_n ) {
85: $decision = 'no';
86: }
87: if ($opt_r) {
88: $REMOVE=1;
89: }
90: my($source) = $opt_i;
91: my($depth, @depthId);
92: my $filename;
93: my($dbh) = DBI->connect("DBI:mysql:chgk", "piataev", "")
94: or die "Can't connect to DB chgk\n";
95:
96: if ($source) {
97: open INFO, $source or die "Can't open input file: $!\n";
98: } else {
99: *INFO=*STDIN;
100: }
101: while (<INFO>) {
102: chomp;
103: s/
//;
104: next if (/^\s*$/);
105: if (s/^(\S+) *//) { # File found
106: $filename = $1;
107: $depth = -1;
108: } else { # Group found
109: $filename = '';
110: $depth = -2;
111: }
112: s/^(\t*)//;
113: $depth += length($1);
114: if ($depth < 0) {
115: die "Wrong line $_\n";
116: }
117: s/^\s*//;
118: s/\s$//;
119: my $title = $_;
120: my $ParentId = ($depth) ? $depthId[$depth - 1] : 0;
121: my $Id = CheckId($dbh,$title,$ParentId,$decision,$filename);
122: if (!$Id || $filename) {
123: next;
124: }
125: $depthId[$depth] = $Id;
126:
127: }
128: print STDERR "Всего вопросов: ",
129: UpdateGroup($dbh,0),"\n";
130: if ($REMOVE) {
131: print STDERR "Removing empty tours.";
132: $dbh->do("DELETE FROM Tournaments WHERE QuestionsNum=0");
133: }
134: $dbh->disconnect;
135: }
136:
137:
138: sub CheckId {
139: my ($dbh,$title,$ParentId,$answer,$filename) = @_;
140: my $type;
141: my $key;
142: my $value;
143: my $Id = 0;
144: if ($filename) {
145: $type=$dbh->quote('Ч');
146: $key = "FileName";
147: $value = $dbh->quote($filename);
148: } else {
149: $type=$dbh->quote('Г');
150: $key = "Title";
151: $value = $dbh->quote($title);
152: }
153: $title=$dbh->quote($title);
154: my $sth = $dbh->prepare("SELECT Id FROM Tournaments
155: WHERE $key=$value");
156: $sth->execute or die $dbh->errstr;
157: my @arr = $sth->fetchrow;
158: if (scalar @arr) {
159: if ($answer eq 'askuser') {
160: print "$value is already in the DB!\n";
161: print "Заменить новым значением? [y/N]\n";
162: $answer = <STDIN>;
163: }
164: if ($answer !~ /^[yY]/) {
165: print STDERR "Не заменяем $value\n";
166: return 0;
167: } else {
168: print STDERR "Заменяем $value\n";
169: $Id = $arr[0];
170: }
171: }
172: if ($Id) {
173: $sth = $dbh->prepare("UPDATE Tournaments
174: SET Title=$title, ParentId=$ParentId,
175: Type=$type
176: WHERE Id=$Id");
177:
178: } else {
179: $sth = $dbh->prepare("INSERT INTO Tournaments
180: (Title, ParentId, Type)
181: VALUES
182: ($title, $ParentId,$type)");
183: }
184: $sth->execute or die $dbh->errstr;
185: if (!$Id) {
186: $Id = $sth->{'mysql_insertid'};
187: }
188: if ($filename) {
189: $filename=$dbh->quote($filename);
190: $sth = $dbh->prepare("UPDATE Tournaments
191: SET FileName=$filename
192: WHERE Id=$Id");
193: $sth->execute or die $dbh->errstr;
194: }
195: return $Id;
196: }
197:
198: sub UpdateGroup {
199: my ($dbh,$Id) = @_;
200: my $sth = $dbh->prepare("SELECT COUNT(*) FROM Questions
201: WHERE ParentId=$Id");
202: $sth->execute;
203: my @arr=$sth->fetchrow;
204: my $result=$arr[0];
205: my @Tours = GetTours($dbh,$Id);
206: foreach my $TourId (@Tours) {
207: $result += UpdateGroup($dbh,$TourId);
208: }
209: $sth=$dbh->prepare("UPDATE Tournaments SET
210: QuestionsNum=$result
211: WHERE Id=$Id");
212: $sth->execute;
213: return $result;
214: }
215:
216: sub GetTours {
217: my ($dbh, $ParentId) = @_;
218: my (@arr, @Tours);
219:
220: my ($sth) = $dbh->prepare("SELECT Id FROM Tournaments
221: WHERE ParentId=$ParentId ORDER BY Id");
222:
223: $sth->execute;
224:
225: while (@arr = $sth->fetchrow) {
226: push @Tours, $arr[0];
227: }
228:
229: return @Tours;
230: }
231:
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