SQLSession/Action/DoSQL.pm

use strict;
use warnings;

=head1 NAME

SQLSession::Action::DoSQL

=cut

package SQLSession::Action::DoSQL;
use base qw/SQLSession::Action Jifty::Action/;

use SQLSession::Model::DatabaseCollection;
use DBI;

use Data::Dump qw/dump/;

use Jifty::Param::Schema;
use Jifty::Action schema {

        param sql_query =>
                label is 'SQL',
                render as 'textarea',
                ajax validates,
                ajax canonicalizes,
                is mandatory;
        
        param database =>
                label is 'Database',
                render as 'Select',
#               available are qw( test foo bar );
                available are defer {
                        my $dbs = SQLSession::Model::DatabaseCollection->new;
                        $dbs->unlimit;
                        [{
                                display_from => 'name',
                                value_from => 'id',
                                collection => $dbs,
                        }];
                };

};

sub sticky_on_success { 1 }
sub sticky_on_failure { 1 }

=head2 validate_sql_query

Can't be empty!

=cut

sub validate_sql_query {
        my $self = shift;
        my $value = shift;

        if ( $value =~ m/^\s+;*\s*$/s ) {
                return $self->validation_error( sql_query => 'You need to type in SQL query' );
        } else {
                return $self->validation_ok('sql_query');
        }
}

use SQL::ReservedWords;

sub canonicalize_sql_query {
        my $self = shift;
        my $sql = shift;

        my @words = SQL::ReservedWords->words;

        my $w = join('|', @words);

        $w .= '|limit|offset';  # fixup

        warn "original SQL:\t$sql";

        $sql =~ s/\b($w)\b/uc($1)/egis;

        warn "canonicalize SQL:\t$sql";

        return $sql;
}

=head2 take_action

Execute SQL query on database

=cut

sub take_action {
    my $self = shift;
    
    # Custom action code

        my $database = $self->argument_value('database') || $self->form_value('database');
        warn "database: $database\n";

        my $db = SQLSession::Model::Database->new;
        $db->load_by_cols( id => $database ) ||
                $self->result->error("Can't find database $database");

        my $dbh = DBI->connect( $db->dsn, $db->login, $db->passwd ) ||
                $self->result->error("Can't connect to " . $db->dsn . " as " . $db->login . "<br/>" . $DBI::errstr) && return 0;

        $dbh->do("SET client_encoding = UTF8") if ($db->dsn =~ /Pg/);

        my $sql = $self->argument_value('sql_query');

        warn "SQL: $sql\n";

        my $sth = $dbh->prepare( $sql ) ||
                $self->result->error( $dbh->errstr() ) && return 0;

        $sth->execute() ||
                $self->result->error( $sth->errstr() ) && return 0;
        
    $self->result->message('Query produced ' . (
                $sth->rows == 0 ?       'no results' :
                $sth->rows == 1 ?       'single row' :
                                                        $sth->rows . ' rows'
        )) if ($sth->rows >= 0);

        $self->result->content( sth => $sth );

    return 1;
}

1;

1	use strict;
2	use warnings;
3
4	=head1 NAME
5
6	SQLSession::Action::DoSQL
7
8	=cut
9
10	package SQLSession::Action::DoSQL;
11	use base qw/SQLSession::Action Jifty::Action/;
12
13	use SQLSession::Model::DatabaseCollection;
14	use DBI;
15
16	use Data::Dump qw/dump/;
17
18	use Jifty::Param::Schema;
19	use Jifty::Action schema {
20
21	param sql_query =>
22	label is 'SQL',
23	render as 'textarea',
24	ajax validates,
25	ajax canonicalizes,
26	is mandatory;
27
28	param database =>
29	label is 'Database',
30	render as 'Select',
31	# available are qw( test foo bar );
32	available are defer {
33	my $dbs = SQLSession::Model::DatabaseCollection->new;
34	$dbs->unlimit;
35	[{
36	display_from => 'name',
37	value_from => 'id',
38	collection => $dbs,
39	}];
40	};
41
42	};
43
44	sub sticky_on_success { 1 }
45	sub sticky_on_failure { 1 }
46
47	=head2 validate_sql_query
48
49	Can't be empty!
50
51	=cut
52
53	sub validate_sql_query {
54	my $self = shift;
55	my $value = shift;
56
57	if ( $value =~ m/^\s+;\s$/s ) {
58	return $self->validation_error( sql_query => 'You need to type in SQL query' );
59	} else {
60	return $self->validation_ok('sql_query');
61	}
62	}
63
64	use SQL::ReservedWords;
65
66	sub canonicalize_sql_query {
67	my $self = shift;
68	my $sql = shift;
69
70	my @words = SQL::ReservedWords->words;
71
72	my $w = join('\|', @words);
73
74	$w .= '\|limit\|offset'; # fixup
75
76	warn "original SQL:\t$sql";
77
78	$sql =~ s/\b($w)\b/uc($1)/egis;
79
80	warn "canonicalize SQL:\t$sql";
81
82	return $sql;
83	}
84
85	=head2 take_action
86
87	Execute SQL query on database
88
89	=cut
90
91	sub take_action {
92	my $self = shift;
93
94	# Custom action code
95
96	my $database = $self->argument_value('database') \|\| $self->form_value('database');
97	warn "database: $database\n";
98
99	my $db = SQLSession::Model::Database->new;
100	$db->load_by_cols( id => $database ) \|\|
101	$self->result->error("Can't find database $database");
102
103	my $dbh = DBI->connect( $db->dsn, $db->login, $db->passwd ) \|\|
104	$self->result->error("Can't connect to " . $db->dsn . " as " . $db->login . "<br/>" . $DBI::errstr) && return 0;
105
106	$dbh->do("SET client_encoding = UTF8") if ($db->dsn =~ /Pg/);
107
108	my $sql = $self->argument_value('sql_query');
109
110	warn "SQL: $sql\n";
111
112	my $sth = $dbh->prepare( $sql ) \|\|
113	$self->result->error( $dbh->errstr() ) && return 0;
114
115	$sth->execute() \|\|
116	$self->result->error( $sth->errstr() ) && return 0;
117
118	$self->result->message('Query produced ' . (
119	$sth->rows == 0 ? 'no results' :
120	$sth->rows == 1 ? 'single row' :
121	$sth->rows . ' rows'
122	)) if ($sth->rows >= 0);
123
124	$self->result->content( sth => $sth );
125
126	return 1;
127	}
128
129	1;
130