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 =over2
  40
  41 =cut
  42
  43 my $input = new CGI;
  44
  45 my $phase = $input->param('phase');
  46 my $flagsrequired;
  47 if ( $phase eq 'Build new' ) {
  48     $flagsrequired = 'create_report';
  49 }
  50 elsif ( $phase eq 'Use saved' ) {
  51     $flagsrequired = 'execute_report';
  52 } else {
  53     $flagsrequired = '*';
  54 }
  55
  56 my ( $template, $borrowernumber, $cookie ) = get_template_and_user(
  57     {
  58         template_name   => "reports/guided_reports_start.tmpl",
  59         query           => $input,
  60         type            => "intranet",
  61         authnotrequired => 0,
  62         flagsrequired   => { reports => $flagsrequired },
  63         debug           => 1,
  64     }
  65 );
  66
  67     my @errors = ();
  68 if ( !$phase ) {
  69     $template->param( 'start' => 1 );
  70     # show welcome page
  71 }
  72 elsif ( $phase eq 'Build new' ) {
  73     # build a new report
  74     $template->param( 'build1' => 1 );
  75     $template->param( 'areas' => get_report_areas() );
  76 }
  77 elsif ( $phase eq 'Use saved' ) {
  78     # use a saved report
  79     # get list of reports and display them
  80     $template->param( 'saved1' => 1 );
  81     $template->param( 'savedreports' => get_saved_reports() );
  82 }
  83
  84 elsif ( $phase eq 'Delete Saved') {
  85
  86         # delete a report from the saved reports list
  87         my $id = $input->param('reports');
  88         delete_report($id);
  89     print $input->redirect("/cgi-bin/koha/reports/guided_reports.pl?phase=Use%20saved");
  90         exit;
  91 }
  92
  93 elsif ( $phase eq 'Show SQL'){
  94
  95         my $id = $input->param('reports');
  96         my $sql = get_sql($id);
  97         $template->param(
  98                 'sql' => $sql,
  99                 'showsql' => 1,
 100     );
 101 }
 102
 103 elsif ( $phase eq 'Edit SQL'){
 104
 105     my $id = $input->param('reports');
 106     my ($sql,$type,$reportname,$notes) = get_saved_report($id);
 107     $template->param(
 108             'sql'        => $sql,
 109             'reportname' => $reportname,
 110         'notes'      => $notes,
 111         'id'         => $id,
 112             'editsql'    => 1,
 113     );
 114 }
 115
 116 elsif ( $phase eq 'Update SQL'){
 117     my $id         = $input->param('id');
 118     my $sql        = $input->param('sql');
 119     my $reportname = $input->param('reportname');
 120     my $notes      = $input->param('notes');
 121     my @errors;
 122     if ($sql =~ /;?\W?(UPDATE|DELETE|DROP|INSERT|SHOW|CREATE)\W/i) {
 123         push @errors, {sqlerr => $1};
 124     }
 125     elsif ($sql !~ /^(SELECT)/i) {
 126         push @errors, {queryerr => 1};
 127     }
 128     if (@errors) {
 129         $template->param(
 130             'errors'    => \@errors,
 131             'sql'       => $sql,
 132         );
 133     }
 134     else {
 135         update_sql( $id, $sql, $reportname, $notes );
 136         $template->param(
 137             'save_successful'       => 1,
 138         );
 139     }
 140
 141 }
 142
 143 elsif ($phase eq 'retrieve results') {
 144         my $id = $input->param('id');
 145         my ($results,$name,$notes) = format_results($id);
 146         # do something
 147         $template->param(
 148                 'retresults' => 1,
 149                 'results' => $results,
 150                 'name' => $name,
 151                 'notes' => $notes,
 152     );
 153 }
 154
 155 elsif ( $phase eq 'Report on this Area' ) {
 156
 157     # they have choosen a new report and the area to report on
 158     $template->param(
 159         'build2' => 1,
 160         'area'   => $input->param('areas'),
 161         'types'  => get_report_types(),
 162     );
 163 }
 164
 165 elsif ( $phase eq 'Choose this type' ) {
 166
 167     # they have chosen type and area
 168     # get area and type and pass them to the template
 169     my $area = $input->param('area');
 170     my $type = $input->param('types');
 171     $template->param(
 172         'build3' => 1,
 173         'area'   => $area,
 174         'type'   => $type,
 175         columns  => get_columns($area,$input),
 176     );
 177 }
 178
 179 elsif ( $phase eq 'Choose these columns' ) {
 180
 181     # we now know type, area, and columns
 182     # next step is the constraints
 183     my $area    = $input->param('area');
 184     my $type    = $input->param('type');
 185     my @columns = $input->param('columns');
 186     my $column  = join( ',', @columns );
 187     $template->param(
 188         'build4' => 1,
 189         'area'   => $area,
 190         'type'   => $type,
 191         'column' => $column,
 192         definitions => get_from_dictionary($area),
 193         criteria    => get_criteria($area,$input),
 194     );
 195 }
 196
 197 elsif ( $phase eq 'Choose these criteria' ) {
 198     my $area     = $input->param('area');
 199     my $type     = $input->param('type');
 200     my $column   = $input->param('column');
 201         my @definitions = $input->param('definition');
 202         my $definition = join (',',@definitions);
 203     my @criteria = $input->param('criteria_column');
 204         my $query_criteria;
 205     foreach my $crit (@criteria) {
 206         my $value = $input->param( $crit . "_value" );
 207
 208         # If value is not defined, then it may be range values
 209         if (!defined $value) {
 210
 211             my $fromvalue = $input->param( "from_" . $crit . "_value" );
 212             my $tovalue   = $input->param( "to_"   . $crit . "_value" );
 213
 214             # If the range values are dates
 215             if ($fromvalue =~ C4::Dates->regexp('syspref') && $tovalue =~ C4::Dates->regexp('syspref')) {
 216                 $fromvalue = C4::Dates->new($fromvalue)->output("iso");
 217                 $tovalue = C4::Dates->new($tovalue)->output("iso");
 218             }
 219
 220             if ($fromvalue && $tovalue) {
 221                 $query_criteria .= " AND $crit >= '$fromvalue' AND $crit <= '$tovalue'";
 222             }
 223
 224         } else {
 225
 226             # If value is a date
 227             if ($value =~ C4::Dates->regexp('syspref')) {
 228                 $value = C4::Dates->new($value)->output("iso");
 229             }
 230         # don't escape runtime parameters, they'll be at runtime
 231         if ($value =~ /<<.*>>/) {
 232             $query_criteria .= " AND $crit=$value";
 233         } else {
 234             $query_criteria .= " AND $crit='$value'";
 235         }
 236         }
 237     }
 238
 239     $template->param(
 240         'build5'         => 1,
 241         'area'           => $area,
 242         'type'           => $type,
 243         'column'         => $column,
 244         'definition'     => $definition,
 245         'criteriastring' => $query_criteria,
 246     );
 247
 248     # get columns
 249     my @columns = split( ',', $column );
 250     my @total_by;
 251
 252     # build structue for use by tmpl_loop to choose columns to order by
 253     # need to do something about the order of the order :)
 254         # we also want to use the %columns hash to get the plain english names
 255     foreach my $col (@columns) {
 256         my %total = (name => $col);
 257         my @selects = map {+{ value => $_ }} (qw(sum min max avg count));
 258         $total{'select'} = \@selects;
 259         push @total_by, \%total;
 260     }
 261
 262     $template->param( 'total_by' => \@total_by );
 263 }
 264
 265 elsif ( $phase eq 'Choose These Operations' ) {
 266     my $area     = $input->param('area');
 267     my $type     = $input->param('type');
 268     my $column   = $input->param('column');
 269     my $criteria = $input->param('criteria');
 270         my $definition = $input->param('definition');
 271     my @total_by = $input->param('total_by');
 272     my $totals;
 273     foreach my $total (@total_by) {
 274         my $value = $input->param( $total . "_tvalue" );
 275         $totals .= "$value($total),";
 276     }
 277
 278     $template->param(
 279         'build6'         => 1,
 280         'area'           => $area,
 281         'type'           => $type,
 282         'column'         => $column,
 283         'criteriastring' => $criteria,
 284         'totals'         => $totals,
 285         'definition'     => $definition,
 286     );
 287
 288     # get columns
 289     my @columns = split( ',', $column );
 290     my @order_by;
 291
 292     # build structue for use by tmpl_loop to choose columns to order by
 293     # need to do something about the order of the order :)
 294     foreach my $col (@columns) {
 295         my %order = (name => $col);
 296         my @selects = map {+{ value => $_ }} (qw(asc desc));
 297         $order{'select'} = \@selects;
 298         push @order_by, \%order;
 299     }
 300
 301     $template->param( 'order_by' => \@order_by );
 302 }
 303
 304 elsif ( $phase eq 'Build Report' ) {
 305
 306     # now we have all the info we need and can build the sql
 307     my $area     = $input->param('area');
 308     my $type     = $input->param('type');
 309     my $column   = $input->param('column');
 310     my $crit     = $input->param('criteria');
 311     my $totals   = $input->param('totals');
 312     my $definition = $input->param('definition');
 313     my $query_criteria=$crit;
 314     # split the columns up by ,
 315     my @columns = split( ',', $column );
 316     my @order_by = $input->param('order_by');
 317
 318     my $query_orderby;
 319     foreach my $order (@order_by) {
 320         my $value = $input->param( $order . "_ovalue" );
 321         if ($query_orderby) {
 322             $query_orderby .= ",$order $value";
 323         }
 324         else {
 325             $query_orderby = " ORDER BY $order $value";
 326         }
 327     }
 328
 329     # get the sql
 330     my $sql =
 331       build_query( \@columns, $query_criteria, $query_orderby, $area, $totals, $definition );
 332     $template->param(
 333         'showreport' => 1,
 334         'sql'        => $sql,
 335         'type'       => $type
 336     );
 337 }
 338
 339 elsif ( $phase eq 'Save' ) {
 340         # Save the report that has just been built
 341     my $sql  = $input->param('sql');
 342     my $type = $input->param('type');
 343     $template->param(
 344         'save' => 1,
 345         'sql'  => $sql,
 346         'type' => $type
 347     );
 348 }
 349
 350 elsif ( $phase eq 'Save Report' ) {
 351     # save the sql pasted in by a user
 352     my $sql  = $input->param('sql');
 353     my $name = $input->param('reportname');
 354     my $type = $input->param('types');
 355     my $notes = $input->param('notes');
 356     if ($sql =~ /;?\W?(UPDATE|DELETE|DROP|INSERT|SHOW|CREATE)\W/i) {
 357         push @errors, {sqlerr => $1};
 358     }
 359     elsif ($sql !~ /^(SELECT)/i) {
 360         push @errors, {queryerr => 1};
 361     }
 362     if (@errors) {
 363         $template->param(
 364             'errors'    => \@errors,
 365             'sql'       => $sql,
 366             'reportname'=> $name,
 367             'type'      => $type,
 368             'notes'     => $notes,
 369         );
 370     }
 371     else {
 372         save_report( $borrowernumber, $sql, $name, $type, $notes );
 373         $template->param(
 374             'save_successful'       => 1,
 375         );
 376     }
 377 }
 378
 379 elsif ($phase eq 'Run this report'){
 380     # execute a saved report
 381     my $limit  = 20;    # page size. # TODO: move to DB or syspref?
 382     my $offset = 0;
 383     my $report = $input->param('reports');
 384     my @sql_params = $input->param('sql_params');
 385     # offset algorithm
 386     if ($input->param('page')) {
 387         $offset = ($input->param('page') - 1) * $limit;
 388     }
 389     my ($sql,$type,$name,$notes) = get_saved_report($report);
 390     unless ($sql) {
 391         push @errors, {no_sql_for_id=>$report};
 392     }
 393     my @rows = ();
 394     # if we have at least 1 parameter, and it's not filled, then don't execute but ask for parameters
 395     if ($sql =~ /<</ && !@sql_params) {
 396         # split on ??. Each odd (2,4,6,...) entry should be a parameter to fill
 397         my @split = split /<<|>>/,$sql;
 398         my @tmpl_parameters;
 399         for(my $i=0;$i<($#split/2);$i++) {
 400             my ($text,$authorised_value) = split /\|/,$split[$i*2+1];
 401             my $input;
 402             if ($authorised_value) {
 403                 my $dbh=C4::Context->dbh;
 404                 my @authorised_values;
 405                 my %authorised_lib;
 406                 # builds list, depending on authorised value...
 407                 if ( $authorised_value eq "branches" ) {
 408                     my $branches = GetBranchesLoop();
 409                     foreach my $thisbranch (@$branches) {
 410                         push @authorised_values, $thisbranch->{value};
 411                         $authorised_lib{$thisbranch->{value}} = $thisbranch->{branchname};
 412                     }
 413                 }
 414                 elsif ( $authorised_value eq "itemtypes" ) {
 415                     my $sth = $dbh->prepare("SELECT itemtype,description FROM itemtypes ORDER BY description");
 416                     $sth->execute;
 417                     while ( my ( $itemtype, $description ) = $sth->fetchrow_array ) {
 418                         push @authorised_values, $itemtype;
 419                         $authorised_lib{$itemtype} = $description;
 420                     }
 421                 }
 422                 elsif ( $authorised_value eq "cn_source" ) {
 423                     my $class_sources = GetClassSources();
 424                     my $default_source = C4::Context->preference("DefaultClassificationSource");
 425                     foreach my $class_source (sort keys %$class_sources) {
 426                         next unless $class_sources->{$class_source}->{'used'} or
 427                                     ($class_source eq $default_source);
 428                         push @authorised_values, $class_source;
 429                         $authorised_lib{$class_source} = $class_sources->{$class_source}->{'description'};
 430                     }
 431                 }
 432                 elsif ( $authorised_value eq "categorycode" ) {
 433                     my $sth = $dbh->prepare("SELECT categorycode, description FROM categories ORDER BY description");
 434                     $sth->execute;
 435                     while ( my ( $categorycode, $description ) = $sth->fetchrow_array ) {
 436                         push @authorised_values, $categorycode;
 437                         $authorised_lib{$categorycode} = $description;
 438                     }
 439
 440                     #---- "true" authorised value
 441                 }
 442                 else {
 443                     my $authorised_values_sth = $dbh->prepare("SELECT authorised_value,lib FROM authorised_values WHERE category=? ORDER BY lib");
 444
 445                     $authorised_values_sth->execute( $authorised_value);
 446
 447                     while ( my ( $value, $lib ) = $authorised_values_sth->fetchrow_array ) {
 448                         push @authorised_values, $value;
 449                         $authorised_lib{$value} = $lib;
 450                         # For item location, we show the code and the libelle
 451                         $authorised_lib{$value} = $lib;
 452                     }
 453                 }
 454                 $input =CGI::scrolling_list(      # FIXME: factor out scrolling_list
 455                     -name     => "sql_params",
 456                     -values   => \@authorised_values,
 457 #                     -default  => $value,
 458                     -labels   => \%authorised_lib,
 459                     -override => 1,
 460                     -size     => 1,
 461                     -multiple => 0,
 462                     -tabindex => 1,
 463                 );
 464
 465             } else {
 466                 $input = "<input type='text' name='sql_params'/>";
 467             }
 468             push @tmpl_parameters, {'entry' => $text, 'input' => $input };
 469         }
 470         $template->param('sql'         => $sql,
 471                         'name'         => $name,
 472                         'sql_params'   => \@tmpl_parameters,
 473                         'enter_params' => 1,
 474                         'reports'      => $report,
 475                         );
 476     } else {
 477         # OK, we have parameters, or there are none, we run the report
 478         # if there were parameters, replace before running
 479         # split on ??. Each odd (2,4,6,...) entry should be a parameter to fill
 480         my @split = split /<<|>>/,$sql;
 481         my @tmpl_parameters;
 482         for(my $i=0;$i<$#split/2;$i++) {
 483             my $quoted = C4::Context->dbh->quote($sql_params[$i]);
 484             # if there are special regexp chars, we must \ them
 485             $split[$i*2+1] =~ s/(\||\?|\.|\*|\(|\)|\%)/\\$1/g;
 486             $sql =~ s/<<$split[$i*2+1]>>/$quoted/;
 487         }
 488         my ($sth, $errors) = execute_query($sql, $offset, $limit);
 489         my $total = select_2_select_count_value($sql) || 0;
 490         unless ($sth) {
 491             die "execute_query failed to return sth for report $report: $sql";
 492         } else {
 493             my $headref = $sth->{NAME} || [];
 494             my @headers = map { +{ cell => $_ } } @$headref;
 495             $template->param(header_row => \@headers);
 496             while (my $row = $sth->fetchrow_arrayref()) {
 497                 my @cells = map { +{ cell => $_ } } @$row;
 498                 push @rows, { cells => \@cells };
 499             }
 500         }
 501
 502         my $totpages = int($total/$limit) + (($total % $limit) > 0 ? 1 : 0);
 503         my $url = "/cgi-bin/koha/reports/guided_reports.pl?reports=$report&phase=Run%20this%20report";
 504         $template->param(
 505             'results' => \@rows,
 506             'sql'     => $sql,
 507             'execute' => 1,
 508             'name'    => $name,
 509             'notes'   => $notes,
 510             'errors'  => $errors,
 511             'pagination_bar'  => pagination_bar($url, $totpages, $input->param('page')),
 512             'unlimited_total' => $total,
 513         );
 514     }
 515 }
 516
 517 elsif ($phase eq 'Export'){
 518     binmode STDOUT, ':utf8';
 519
 520         # export results to tab separated text or CSV
 521         my $sql    = $input->param('sql');  # FIXME: use sql from saved report ID#, not new user-supplied SQL!
 522     my $format = $input->param('format');
 523         my ($sth, $q_errors) = execute_query($sql);
 524     unless ($q_errors and @$q_errors) {
 525         print $input->header(       -type => 'application/octet-stream',
 526                                     -attachment=>"reportresults.$format"
 527                             );
 528         if ($format eq 'tab') {
 529             print join("\t", header_cell_values($sth)), "\n";
 530             while (my $row = $sth->fetchrow_arrayref()) {
 531                 print join("\t", @$row), "\n";
 532             }
 533         } else {
 534             my $csv = Text::CSV->new({binary => 1});
 535             $csv or die "Text::CSV->new({binary => 1}) FAILED: " . Text::CSV->error_diag();
 536             if ($csv->combine(header_cell_values($sth))) {
 537                 print $csv->string(), "\n";
 538             } else {
 539                 push @$q_errors, { combine => 'HEADER ROW: ' . $csv->error_diag() } ;
 540             }
 541             while (my $row = $sth->fetchrow_arrayref()) {
 542                 if ($csv->combine(@$row)) {
 543                     print $csv->string(), "\n";
 544                 } else {
 545                     push @$q_errors, { combine => $csv->error_diag() } ;
 546                 }
 547             }
 548         }
 549         foreach my $err (@$q_errors, @errors) {
 550             print "# ERROR: " . (map {$_ . ": " . $err->{$_}} keys %$err) . "\n";
 551         }   # here we print all the non-fatal errors at the end.  Not super smooth, but better than nothing.
 552         exit;
 553     }
 554     $template->param(
 555         'sql'           => $sql,
 556         'execute'       => 1,
 557         'name'          => 'Error exporting report!',
 558         'notes'         => '',
 559         'errors'        => $q_errors,
 560     );
 561 }
 562
 563 elsif ($phase eq 'Create report from SQL') {
 564         # allow the user to paste in sql
 565     if ($input->param('sql')) {
 566         $template->param(
 567             'sql'           => $input->param('sql'),
 568             'reportname'    => $input->param('reportname'),
 569             'notes'         => $input->param('notes'),
 570         );
 571     }
 572         $template->param('create' => 1);
 573 }
 574
 575 elsif ($phase eq 'Create Compound Report'){
 576         $template->param( 'savedreports' => get_saved_reports(),
 577                 'compound' => 1,
 578         );
 579 }
 580
 581 elsif ($phase eq 'Save Compound'){
 582     my $master    = $input->param('master');
 583         my $subreport = $input->param('subreport');
 584         my ($mastertables,$subtables) = create_compound($master,$subreport);
 585         $template->param( 'save_compound' => 1,
 586                 master=>$mastertables,
 587                 subsql=>$subtables
 588         );
 589 }
 590
 591 # pass $sth, get back an array of names for the column headers
 592 sub header_cell_values {
 593     my $sth = shift or return ();
 594     return @{$sth->{NAME}};
 595 }
 596
 597 # pass $sth, get back a TMPL_LOOP-able set of names for the column headers
 598 sub header_cell_loop {
 599     my @headers = map { +{ cell => $_ } } header_cell_values (shift);
 600     return \@headers;
 601 }
 602
 603 foreach (1..6) {
 604     $template->param('build' . $_) and $template->param(buildx => $_) and last;
 605 }
 606 $template->param(   'referer' => $input->referer(),
 607                     'DHTMLcalendar_dateformat' => C4::Dates->DHTMLcalendar(),
 608                 );
 609
 610 output_html_with_http_headers $input, $cookie, $template->output;