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 Koha::Reports;
  26 use JSON;
  27 use CGI qw ( -utf8 );
  28
  29 use Koha::Caches;
  30
  31
  32 my $query  = CGI->new();
  33 my $report_id = $query->param('id');
  34 my $report_name = $query->param('name');
  35 my $report_annotation = $query->param('annotated');
  36
  37 my $report_recs = Koha::Reports->search( $report_name ? { 'report_name' => $report_name } : { 'id' => $report_id } );
  38 if (!$report_recs || $report_recs->count == 0 ) { die "There is no such report.\n"; }
  39 my $report_rec = $report_recs->next();
  40
  41 my @sql_params  = $query->multi_param('sql_params');
  42
  43 my ( $template, $loggedinuser, $cookie ) = get_template_and_user(
  44     {
  45         template_name   => "intranet-main.tt",
  46         query           => $query,
  47         type            => "intranet",
  48         authnotrequired => 0,
  49         flagsrequired   => { catalogue => 1, },
  50     }
  51 );
  52
  53 my $cache = Koha::Caches->get_instance();
  54 my $cache_active = $cache->is_cache_active;
  55 my ($cache_key, $json_text);
  56 if ($cache_active) {
  57     $cache_key = "intranet:report:".($report_name ? "report_name:$report_name:" : "id:$report_id:")
  58     . join( '-', @sql_params );
  59     $json_text = $cache->get_from_cache($cache_key);
  60 }
  61
  62 unless ($json_text) {
  63     my $offset = 0;
  64     my $limit  = C4::Context->preference("SvcMaxReportRows") || 10;
  65     my $sql = $report_rec->savedsql;
  66
  67     # convert SQL parameters to placeholders
  68     $sql =~ s/(<<.*?>>)/\?/g;
  69     $sql =~ s/\[\[(.*?)\|(.*?)\]\]/$1 AS $2/g;
  70
  71     my ( $sth, $errors ) = execute_query( $sql, $offset, $limit, \@sql_params, $report_id );
  72     if ($sth) {
  73         my $lines;
  74         if ($report_annotation) {
  75             $lines = $sth->fetchall_arrayref({});
  76         }
  77         else {
  78             $lines = $sth->fetchall_arrayref;
  79         }
  80         $json_text = encode_json($lines);
  81
  82         if ($cache_active) {
  83             $cache->set_in_cache( $cache_key, $json_text, { expiry => $report_rec->cache_expiry } );
  84         }
  85     }
  86     else {
  87         $json_text = encode_json($errors);
  88     }
  89 }
  90
  91 print $query->header(
  92     -charset    => 'UTF-8',
  93     -type       => 'application/json'
  94 );
  95 print $json_text;