svc/report

   1 #!/usr/bin/perl
   2
   3 # This file is part of Koha.
   4 #
   5 # Copyright (C) 2011  Chris Cormack <chris@bigballofwax.co.nz>
   6 # Copyright (C) 2013  Mark Tompsett
   7 #
   8 # Koha is free software; you can redistribute it and/or modify it
   9 # under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 3 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # Koha is distributed in the hope that it will be useful, but
  14 # WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with Koha; if not, see <http://www.gnu.org/licenses>.
  20
  21 use Modern::Perl;
  22
  23 use C4::Auth;
  24 use C4::Reports::Guided;
  25 use JSON;
  26 use CGI qw ( -utf8 );
  27
  28 use Koha::Caches;
  29
  30
  31 my $query  = CGI->new();
  32 my $report_id = $query->param('id');
  33 my $report_name = $query->param('name');
  34 my $report_annotation = $query->param('annotated');
  35
  36 my $report_rec = get_saved_report( $report_name ? { 'name' => $report_name } : { 'id' => $report_id } );
  37 if (!$report_rec) { die "There is no such report.\n"; }
  38
  39 my @sql_params  = $query->param('sql_params');
  40
  41 my ( $template, $loggedinuser, $cookie ) = get_template_and_user(
  42     {
  43         template_name   => "intranet-main.tt",
  44         query           => $query,
  45         type            => "intranet",
  46         authnotrequired => 0,
  47         flagsrequired   => { catalogue => 1, },
  48     }
  49 );
  50
  51 my $cache = Koha::Caches->get_instance();
  52 my $cache_active = $cache->is_cache_active;
  53 my ($cache_key, $json_text);
  54 if ($cache_active) {
  55     $cache_key = "intranet:report:".($report_name ? "name:$report_name" : "id:$report_id")
  56     . join( '-', @sql_params );
  57     $json_text = $cache->get_from_cache($cache_key);
  58 }
  59
  60 unless ($json_text) {
  61     my $offset = 0;
  62     my $limit  = C4::Context->preference("SvcMaxReportRows") || 10;
  63     my $sql = $report_rec->{savedsql};
  64
  65     # convert SQL parameters to placeholders
  66     $sql =~ s/(<<.*?>>)/\?/g;
  67
  68     my ( $sth, $errors ) = execute_query( $sql, $offset, $limit, \@sql_params, $report_id );
  69     if ($sth) {
  70         my $lines;
  71         if ($report_annotation) {
  72             $lines = $sth->fetchall_arrayref({});
  73         }
  74         else {
  75             $lines = $sth->fetchall_arrayref;
  76         }
  77         $json_text = encode_json($lines);
  78
  79         if ($cache_active) {
  80             $cache->set_in_cache( $cache_key, $json_text, { expiry => $report_rec->{cache_expiry} } );
  81         }
  82     }
  83     else {
  84         $json_text = encode_json($errors);
  85     }
  86 }
  87
  88 print $query->header(
  89     -charset    => 'UTF-8',
  90     -type       => 'application/json'
  91 );
  92 print $json_text;