reports/guided_reports.pl

   1 #!/usr/bin/perl
   2
   3 # Copyright 2007 Liblime ltd
   4 #
   5 # This file is part of Koha.
   6 #
   7 # Koha is free software; you can redistribute it and/or modify it under the
   8 # terms of the GNU General Public License as published by the Free Software
   9 # Foundation; either version 2 of the License, or (at your option) any later
  10 # version.
  11 #
  12 # Koha is distributed in the hope that it will be useful, but WITHOUT ANY
  13 # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
  14 # A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License along
  17 # with Koha; if not, write to the Free Software Foundation, Inc.,
  18 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19
  20 use strict;
  21 #use warnings; FIXME - Bug 2505
  22 use CGI;
  23 use Text::CSV;
  24 use C4::Reports::Guided;
  25 use C4::Auth;
  26 use C4::Output;
  27 use C4::Dates;
  28 use C4::Debug;
  29 use C4::Branch; # XXX subfield_is_koha_internal_p
  30
  31 =head1 NAME
  32
  33 guided_reports.pl
  34
  35 =head1 DESCRIPTION
  36
  37 Script to control the guided report creation
  38
  39 =cut
  40
  41 my $input = new CGI;
  42
  43 my $phase = $input->param('phase');
  44 my $flagsrequired;
  45 if ( $phase eq 'Build new' or $phase eq 'Delete Saved' ) {
  46     $flagsrequired = 'create_reports';
  47 }
  48 elsif ( $phase eq 'Use saved' ) {
  49     $flagsrequired = 'execute_reports';
  50 } else {
  51     $flagsrequired = '*';
  52 }
  53
  54 my ( $template, $borrowernumber, $cookie ) = get_template_and_user(
  55     {
  56         template_name   => "reports/guided_reports_start.tmpl",
  57         query           => $input,
  58         type            => "intranet",
  59         authnotrequired => 0,
  60         flagsrequired   => { reports => $flagsrequired },
  61         debug           => 1,
  62     }
  63 );
  64
  65     my @errors = ();
  66 if ( !$phase ) {
  67     $template->param( 'start' => 1 );
  68     # show welcome page
  69 }
  70 elsif ( $phase eq 'Build new' ) {
  71     # build a new report
  72     $template->param( 'build1' => 1 );
  73     $template->param( 'areas' => get_report_areas() );
  74 }
  75 elsif ( $phase eq 'Use saved' ) {
  76     # use a saved report
  77     # get list of reports and display them
  78     $template->param( 'saved1' => 1 );
  79     $template->param( 'savedreports' => get_saved_reports() );
  80 }
  81
  82 elsif ( $phase eq 'Delete Saved') {
  83
  84         # delete a report from the saved reports list
  85         my $id = $input->param('reports');
  86         delete_report($id);
  87     print $input->redirect("/cgi-bin/koha/reports/guided_reports.pl?phase=Use%20saved");
  88         exit;
  89 }
  90
  91 elsif ( $phase eq 'Show SQL'){
  92
  93         my $id = $input->param('reports');
  94         my $sql = get_sql($id);
  95         $template->param(
  96                 'sql' => $sql,
  97                 'showsql' => 1,
  98     );
  99 }
 100
 101 elsif ( $phase eq 'Edit SQL'){
 102
 103     my $id = $input->param('reports');
 104     my ($sql,$type,$reportname,$notes) = get_saved_report($id);
 105     $template->param(
 106             'sql'        => $sql,
 107             'reportname' => $reportname,
 108         'notes'      => $notes,
 109         'id'         => $id,
 110             'editsql'    => 1,
 111     );
 112 }
 113
 114 elsif ( $phase eq 'Update SQL'){
 115     my $id         = $input->param('id');
 116     my $sql        = $input->param('sql');
 117     my $reportname = $input->param('reportname');
 118     my $notes      = $input->param('notes');
 119     my @errors;
 120     if ($sql =~ /;?\W?(UPDATE|DELETE|DROP|INSERT|SHOW|CREATE)\W/i) {
 121         push @errors, {sqlerr => $1};
 122     }
 123     elsif ($sql !~ /^(SELECT)/i) {
 124         push @errors, {queryerr => 1};
 125     }
 126     if (@errors) {
 127         $template->param(
 128             'errors'    => \@errors,
 129             'sql'       => $sql,
 130         );
 131     }
 132     else {
 133         update_sql( $id, $sql, $reportname, $notes );
 134         $template->param(
 135             'save_successful'       => 1,
 136         );
 137     }
 138
 139 }
 140
 141 elsif ($phase eq 'retrieve results') {
 142         my $id = $input->param('id');
 143         my ($results,$name,$notes) = format_results($id);
 144         # do something
 145         $template->param(
 146                 'retresults' => 1,
 147                 'results' => $results,
 148                 'name' => $name,
 149                 'notes' => $notes,
 150     );
 151 }
 152
 153 elsif ( $phase eq 'Report on this Area' ) {
 154
 155     # they have choosen a new report and the area to report on
 156     $template->param(
 157         'build2' => 1,
 158         'area'   => $input->param('areas'),
 159         'types'  => get_report_types(),
 160     );
 161 }
 162
 163 elsif ( $phase eq 'Choose this type' ) {
 164
 165     # they have chosen type and area
 166     # get area and type and pass them to the template
 167     my $area = $input->param('area');
 168     my $type = $input->param('types');
 169     $template->param(
 170         'build3' => 1,
 171         'area'   => $area,
 172         'type'   => $type,
 173         columns  => get_columns($area,$input),
 174     );
 175 }
 176
 177 elsif ( $phase eq 'Choose these columns' ) {
 178
 179     # we now know type, area, and columns
 180     # next step is the constraints
 181     my $area    = $input->param('area');
 182     my $type    = $input->param('type');
 183     my @columns = $input->param('columns');
 184     my $column  = join( ',', @columns );
 185     $template->param(
 186         'build4' => 1,
 187         'area'   => $area,
 188         'type'   => $type,
 189         'column' => $column,
 190         definitions => get_from_dictionary($area),
 191         criteria    => get_criteria($area,$input),
 192     );
 193 }
 194
 195 elsif ( $phase eq 'Choose these criteria' ) {
 196     my $area     = $input->param('area');
 197     my $type     = $input->param('type');
 198     my $column   = $input->param('column');
 199         my @definitions = $input->param('definition');
 200         my $definition = join (',',@definitions);
 201     my @criteria = $input->param('criteria_column');
 202         my $query_criteria;
 203     foreach my $crit (@criteria) {
 204         my $value = $input->param( $crit . "_value" );
 205
 206         # If value is not defined, then it may be range values
 207         if (!defined $value) {
 208
 209             my $fromvalue = $input->param( "from_" . $crit . "_value" );
 210             my $tovalue   = $input->param( "to_"   . $crit . "_value" );
 211
 212             # If the range values are dates
 213             if ($fromvalue =~ C4::Dates->regexp('syspref') && $tovalue =~ C4::Dates->regexp('syspref')) {
 214                 $fromvalue = C4::Dates->new($fromvalue)->output("iso");
 215                 $tovalue = C4::Dates->new($tovalue)->output("iso");
 216             }
 217
 218             if ($fromvalue && $tovalue) {
 219                 $query_criteria .= " AND $crit >= '$fromvalue' AND $crit <= '$tovalue'";
 220             }
 221
 222         } else {
 223
 224             # If value is a date
 225             if ($value =~ C4::Dates->regexp('syspref')) {
 226                 $value = C4::Dates->new($value)->output("iso");
 227             }
 228         # don't escape runtime parameters, they'll be at runtime
 229         if ($value =~ /<<.*>>/) {
 230             $query_criteria .= " AND $crit=$value";
 231         } else {
 232             $query_criteria .= " AND $crit='$value'";
 233         }
 234         }
 235     }
 236
 237     $template->param(
 238         'build5'         => 1,
 239         'area'           => $area,
 240         'type'           => $type,
 241         'column'         => $column,
 242         'definition'     => $definition,
 243         'criteriastring' => $query_criteria,
 244     );
 245
 246     # get columns
 247     my @columns = split( ',', $column );
 248     my @total_by;
 249
 250     # build structue for use by tmpl_loop to choose columns to order by
 251     # need to do something about the order of the order :)
 252         # we also want to use the %columns hash to get the plain english names
 253     foreach my $col (@columns) {
 254         my %total = (name => $col);
 255         my @selects = map {+{ value => $_ }} (qw(sum min max avg count));
 256         $total{'select'} = \@selects;
 257         push @total_by, \%total;
 258     }
 259
 260     $template->param( 'total_by' => \@total_by );
 261 }
 262
 263 elsif ( $phase eq 'Choose These Operations' ) {
 264     my $area     = $input->param('area');
 265     my $type     = $input->param('type');
 266     my $column   = $input->param('column');
 267     my $criteria = $input->param('criteria');
 268         my $definition = $input->param('definition');
 269     my @total_by = $input->param('total_by');
 270     my $totals;
 271     foreach my $total (@total_by) {
 272         my $value = $input->param( $total . "_tvalue" );
 273         $totals .= "$value($total),";
 274     }
 275
 276     $template->param(
 277         'build6'         => 1,
 278         'area'           => $area,
 279         'type'           => $type,
 280         'column'         => $column,
 281         'criteriastring' => $criteria,
 282         'totals'         => $totals,
 283         'definition'     => $definition,
 284     );
 285
 286     # get columns
 287     my @columns = split( ',', $column );
 288     my @order_by;
 289
 290     # build structue for use by tmpl_loop to choose columns to order by
 291     # need to do something about the order of the order :)
 292     foreach my $col (@columns) {
 293         my %order = (name => $col);
 294         my @selects = map {+{ value => $_ }} (qw(asc desc));
 295         $order{'select'} = \@selects;
 296         push @order_by, \%order;
 297     }
 298
 299     $template->param( 'order_by' => \@order_by );
 300 }
 301
 302 elsif ( $phase eq 'Build Report' ) {
 303
 304     # now we have all the info we need and can build the sql
 305     my $area     = $input->param('area');
 306     my $type     = $input->param('type');
 307     my $column   = $input->param('column');
 308     my $crit     = $input->param('criteria');
 309     my $totals   = $input->param('totals');
 310     my $definition = $input->param('definition');
 311     my $query_criteria=$crit;
 312     # split the columns up by ,
 313     my @columns = split( ',', $column );
 314     my @order_by = $input->param('order_by');
 315
 316     my $query_orderby;
 317     foreach my $order (@order_by) {
 318         my $value = $input->param( $order . "_ovalue" );
 319         if ($query_orderby) {
 320             $query_orderby .= ",$order $value";
 321         }
 322         else {
 323             $query_orderby = " ORDER BY $order $value";
 324         }
 325     }
 326
 327     # get the sql
 328     my $sql =
 329       build_query( \@columns, $query_criteria, $query_orderby, $area, $totals, $definition );
 330     $template->param(
 331         'showreport' => 1,
 332         'sql'        => $sql,
 333         'type'       => $type
 334     );
 335 }
 336
 337 elsif ( $phase eq 'Save' ) {
 338         # Save the report that has just been built
 339     my $sql  = $input->param('sql');
 340     my $type = $input->param('type');
 341     $template->param(
 342         'save' => 1,
 343         'sql'  => $sql,
 344         'type' => $type
 345     );
 346 }
 347
 348 elsif ( $phase eq 'Save Report' ) {
 349     # save the sql pasted in by a user
 350     my $sql  = $input->param('sql');
 351     my $name = $input->param('reportname');
 352     my $type = $input->param('types');
 353     my $notes = $input->param('notes');
 354     if ($sql =~ /;?\W?(UPDATE|DELETE|DROP|INSERT|SHOW|CREATE)\W/i) {
 355         push @errors, {sqlerr => $1};
 356     }
 357     elsif ($sql !~ /^(SELECT)/i) {
 358         push @errors, {queryerr => 1};
 359     }
 360     if (@errors) {
 361         $template->param(
 362             'errors'    => \@errors,
 363             'sql'       => $sql,
 364             'reportname'=> $name,
 365             'type'      => $type,
 366             'notes'     => $notes,
 367         );
 368     }
 369     else {
 370         save_report( $borrowernumber, $sql, $name, $type, $notes );
 371         $template->param(
 372             'save_successful'       => 1,
 373         );
 374     }
 375 }
 376
 377 elsif ($phase eq 'Run this report'){
 378     # execute a saved report
 379     my $limit  = 20;    # page size. # TODO: move to DB or syspref?
 380     my $offset = 0;
 381     my $report = $input->param('reports');
 382     my @sql_params = $input->param('sql_params');
 383     # offset algorithm
 384     if ($input->param('page')) {
 385         $offset = ($input->param('page') - 1) * $limit;
 386     }
 387     my ($sql,$type,$name,$notes) = get_saved_report($report);
 388     unless ($sql) {
 389         push @errors, {no_sql_for_id=>$report};
 390     }
 391     my @rows = ();
 392     # if we have at least 1 parameter, and it's not filled, then don't execute but ask for parameters
 393     if ($sql =~ /<</ && !@sql_params) {
 394         # split on ??. Each odd (2,4,6,...) entry should be a parameter to fill
 395         my @split = split /<<|>>/,$sql;
 396         my @tmpl_parameters;
 397         for(my $i=0;$i<($#split/2);$i++) {
 398             my ($text,$authorised_value) = split /\|/,$split[$i*2+1];
 399             my $input;
 400             if ($authorised_value) {
 401                 my $dbh=C4::Context->dbh;
 402                 my @authorised_values;
 403                 my %authorised_lib;
 404                 # builds list, depending on authorised value...
 405                 if ( $authorised_value eq "branches" ) {
 406                     my $branches = GetBranchesLoop();
 407                     foreach my $thisbranch (@$branches) {
 408                         push @authorised_values, $thisbranch->{value};
 409                         $authorised_lib{$thisbranch->{value}} = $thisbranch->{branchname};
 410                     }
 411                 }
 412                 elsif ( $authorised_value eq "itemtypes" ) {
 413                     my $sth = $dbh->prepare("SELECT itemtype,description FROM itemtypes ORDER BY description");
 414                     $sth->execute;
 415                     while ( my ( $itemtype, $description ) = $sth->fetchrow_array ) {
 416                         push @authorised_values, $itemtype;
 417                         $authorised_lib{$itemtype} = $description;
 418                     }
 419                 }
 420                 elsif ( $authorised_value eq "cn_source" ) {
 421                     my $class_sources = GetClassSources();
 422                     my $default_source = C4::Context->preference("DefaultClassificationSource");
 423                     foreach my $class_source (sort keys %$class_sources) {
 424                         next unless $class_sources->{$class_source}->{'used'} or
 425                                     ($class_source eq $default_source);
 426                         push @authorised_values, $class_source;
 427                         $authorised_lib{$class_source} = $class_sources->{$class_source}->{'description'};
 428                     }
 429                 }
 430                 elsif ( $authorised_value eq "categorycode" ) {
 431                     my $sth = $dbh->prepare("SELECT categorycode, description FROM categories ORDER BY description");
 432                     $sth->execute;
 433                     while ( my ( $categorycode, $description ) = $sth->fetchrow_array ) {
 434                         push @authorised_values, $categorycode;
 435                         $authorised_lib{$categorycode} = $description;
 436                     }
 437
 438                     #---- "true" authorised value
 439                 }
 440                 else {
 441                     my $authorised_values_sth = $dbh->prepare("SELECT authorised_value,lib FROM authorised_values WHERE category=? ORDER BY lib");
 442
 443                     $authorised_values_sth->execute( $authorised_value);
 444
 445                     while ( my ( $value, $lib ) = $authorised_values_sth->fetchrow_array ) {
 446                         push @authorised_values, $value;
 447                         $authorised_lib{$value} = $lib;
 448                         # For item location, we show the code and the libelle
 449                         $authorised_lib{$value} = $lib;
 450                     }
 451                 }
 452                 $input =CGI::scrolling_list(      # FIXME: factor out scrolling_list
 453                     -name     => "sql_params",
 454                     -values   => \@authorised_values,
 455 #                     -default  => $value,
 456                     -labels   => \%authorised_lib,
 457                     -override => 1,
 458                     -size     => 1,
 459                     -multiple => 0,
 460                     -tabindex => 1,
 461                 );
 462
 463             } else {
 464                 $input = "<input type='text' name='sql_params'/>";
 465             }
 466             push @tmpl_parameters, {'entry' => $text, 'input' => $input };
 467         }
 468         $template->param('sql'         => $sql,
 469                         'name'         => $name,
 470                         'sql_params'   => \@tmpl_parameters,
 471                         'enter_params' => 1,
 472                         'reports'      => $report,
 473                         );
 474     } else {
 475         # OK, we have parameters, or there are none, we run the report
 476         # if there were parameters, replace before running
 477         # split on ??. Each odd (2,4,6,...) entry should be a parameter to fill
 478         my @split = split /<<|>>/,$sql;
 479         my @tmpl_parameters;
 480         for(my $i=0;$i<$#split/2;$i++) {
 481             my $quoted = C4::Context->dbh->quote($sql_params[$i]);
 482             # if there are special regexp chars, we must \ them
 483             $split[$i*2+1] =~ s/(\||\?|\.|\*|\(|\)|\%)/\\$1/g;
 484             $sql =~ s/<<$split[$i*2+1]>>/$quoted/;
 485         }
 486         my ($sth, $errors) = execute_query($sql, $offset, $limit);
 487         my $total = select_2_select_count_value($sql) || 0;
 488         unless ($sth) {
 489             die "execute_query failed to return sth for report $report: $sql";
 490         } else {
 491             my $headref = $sth->{NAME} || [];
 492             my @headers = map { +{ cell => $_ } } @$headref;
 493             $template->param(header_row => \@headers);
 494             while (my $row = $sth->fetchrow_arrayref()) {
 495                 my @cells = map { +{ cell => $_ } } @$row;
 496                 push @rows, { cells => \@cells };
 497             }
 498         }
 499
 500         my $totpages = int($total/$limit) + (($total % $limit) > 0 ? 1 : 0);
 501         my $url = "/cgi-bin/koha/reports/guided_reports.pl?reports=$report&amp;phase=Run%20this%20report";
 502         $template->param(
 503             'results' => \@rows,
 504             'sql'     => $sql,
 505             'execute' => 1,
 506             'name'    => $name,
 507             'notes'   => $notes,
 508             'errors'  => $errors,
 509             'pagination_bar'  => pagination_bar($url, $totpages, $input->param('page')),
 510             'unlimited_total' => $total,
 511         );
 512     }
 513 }
 514
 515 elsif ($phase eq 'Export'){
 516     binmode STDOUT, ':utf8';
 517
 518         # export results to tab separated text or CSV
 519         my $sql    = $input->param('sql');  # FIXME: use sql from saved report ID#, not new user-supplied SQL!
 520     my $format = $input->param('format');
 521         my ($sth, $q_errors) = execute_query($sql);
 522     unless ($q_errors and @$q_errors) {
 523         print $input->header(       -type => 'application/octet-stream',
 524                                     -attachment=>"reportresults.$format"
 525                             );
 526         if ($format eq 'tab') {
 527             print join("\t", header_cell_values($sth)), "\n";
 528             while (my $row = $sth->fetchrow_arrayref()) {
 529                 print join("\t", @$row), "\n";
 530             }
 531         } else {
 532             my $csv = Text::CSV->new({binary => 1});
 533             $csv or die "Text::CSV->new({binary => 1}) FAILED: " . Text::CSV->error_diag();
 534             if ($csv->combine(header_cell_values($sth))) {
 535                 print $csv->string(), "\n";
 536             } else {
 537                 push @$q_errors, { combine => 'HEADER ROW: ' . $csv->error_diag() } ;
 538             }
 539             while (my $row = $sth->fetchrow_arrayref()) {
 540                 if ($csv->combine(@$row)) {
 541                     print $csv->string(), "\n";
 542                 } else {
 543                     push @$q_errors, { combine => $csv->error_diag() } ;
 544                 }
 545             }
 546         }
 547         foreach my $err (@$q_errors, @errors) {
 548             print "# ERROR: " . (map {$_ . ": " . $err->{$_}} keys %$err) . "\n";
 549         }   # here we print all the non-fatal errors at the end.  Not super smooth, but better than nothing.
 550         exit;
 551     }
 552     $template->param(
 553         'sql'           => $sql,
 554         'execute'       => 1,
 555         'name'          => 'Error exporting report!',
 556         'notes'         => '',
 557         'errors'        => $q_errors,
 558     );
 559 }
 560
 561 elsif ($phase eq 'Create report from SQL') {
 562         # allow the user to paste in sql
 563     if ($input->param('sql')) {
 564         $template->param(
 565             'sql'           => $input->param('sql'),
 566             'reportname'    => $input->param('reportname'),
 567             'notes'         => $input->param('notes'),
 568         );
 569     }
 570         $template->param('create' => 1);
 571 }
 572
 573 elsif ($phase eq 'Create Compound Report'){
 574         $template->param( 'savedreports' => get_saved_reports(),
 575                 'compound' => 1,
 576         );
 577 }
 578
 579 elsif ($phase eq 'Save Compound'){
 580     my $master    = $input->param('master');
 581         my $subreport = $input->param('subreport');
 582         my ($mastertables,$subtables) = create_compound($master,$subreport);
 583         $template->param( 'save_compound' => 1,
 584                 master=>$mastertables,
 585                 subsql=>$subtables
 586         );
 587 }
 588
 589 # pass $sth, get back an array of names for the column headers
 590 sub header_cell_values {
 591     my $sth = shift or return ();
 592     return @{$sth->{NAME}};
 593 }
 594
 595 # pass $sth, get back a TMPL_LOOP-able set of names for the column headers
 596 sub header_cell_loop {
 597     my @headers = map { +{ cell => $_ } } header_cell_values (shift);
 598     return \@headers;
 599 }
 600
 601 foreach (1..6) {
 602     $template->param('build' . $_) and $template->param(buildx => $_) and last;
 603 }
 604 $template->param(   'referer' => $input->referer(),
 605                     'DHTMLcalendar_dateformat' => C4::Dates->DHTMLcalendar(),
 606                 );
 607
 608 output_html_with_http_headers $input, $cookie, $template->output;