56 lines
1.3 KiB
Perl
Executable File
56 lines
1.3 KiB
Perl
Executable File
#!/usr/bin/env perl
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use warnings;
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use strict;
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use Dancer;
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use DBI;
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#Struktura bazy
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#id, int; isbn, int; tytul, string; autor, string; owner, string;
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#state, bool (czy pozyczona, 1=dostepna, 0=wzieta); can_borrow, bool (mozna brac ze soba? 1=tak, 0=nie)
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my $dbfile = 'ksiazki.db';
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my $dbh = DBI->connect("dbi:SQLite:dbname=$dbfile", "", "");
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get '/' => sub
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{
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my $sth = $dbh->prepare("select * from ksiazki;") or die "Nie mozna spreparowac zapytania";
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$sth->execute() or die "Nie mozna wykonac zapytania";
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#my $sth=$dbh->do("select * from ksiazki");
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my @result;
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(@result)=@{$sth->fetchall_arrayref} or die "blad przy pobieraniu danych";
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# |kolejne rekordy|kolejne pola rekordow
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#return ${$result[2]}[4];
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template 'main_page.tt',
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{
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'table' => \@result
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}
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};
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get '/req/:book' => sub
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{
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my $id=params->{book};
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my $sth;
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$sth=$dbh->prepare("select type from ksiazki where id=?") or die "Nie mozna spreparowac zapytania";
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$sth->execute($id) or die "Nie mozna wykonac";
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my $type = $sth->fetchrow_array or die "Nie mozna pobrac danych";
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if ($type == 1)
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{
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$sth = $dbh->prepare("update ksiazki set state=not state where id=?") or die "Nie mozna spreparowac zapytania";
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$sth->execute($id) or die "Nie mozna wykonac zapytania";
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return 0;
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}
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elsif ($type == 0)
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{
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return 1;
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}
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else #Stalo sie cos dziwnego...
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{
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return "-1";
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}
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};
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dance;
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