C4/Budgets.pm

   1 package C4::Budgets;
   2
   3 # Copyright 2000-2002 Katipo Communications
   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 C4::Context;
  23 use C4::Dates qw(format_date format_date_in_iso);
  24 use C4::SQLHelper qw<:all>;
  25 use C4::Debug;
  26
  27 use vars qw($VERSION @ISA @EXPORT);
  28
  29 BEGIN {
  30         # set the version for version checking
  31     $VERSION = 3.07.00.049;
  32         require Exporter;
  33         @ISA    = qw(Exporter);
  34         @EXPORT = qw(
  35
  36         &GetBudget
  37         &GetBudgets
  38         &GetBudgetHierarchy
  39             &AddBudget
  40         &ModBudget
  41         &DelBudget
  42         &GetBudgetSpent
  43         &GetBudgetOrdered
  44         &GetBudgetName
  45         &GetPeriodsCount
  46         &GetChildBudgetsSpent
  47
  48         &GetBudgetUsers
  49         &ModBudgetUsers
  50         &CanUserUseBudget
  51         &CanUserModifyBudget
  52
  53             &GetBudgetPeriod
  54         &GetBudgetPeriods
  55         &ModBudgetPeriod
  56         &AddBudgetPeriod
  57             &DelBudgetPeriod
  58
  59         &GetAuthvalueDropbox
  60
  61         &ModBudgetPlan
  62
  63         &GetCurrency
  64         &GetCurrencies
  65         &ModCurrencies
  66         &ConvertCurrency
  67
  68                 &GetBudgetsPlanCell
  69         &AddBudgetPlanValue
  70         &GetBudgetAuthCats
  71         &BudgetHasChildren
  72         &CheckBudgetParent
  73         &CheckBudgetParentPerm
  74
  75         &HideCols
  76         &GetCols
  77         );
  78 }
  79
  80 # ----------------------------BUDGETS.PM-----------------------------";
  81
  82
  83 =head1 FUNCTIONS ABOUT BUDGETS
  84
  85 =cut
  86
  87 sub HideCols {
  88     my ( $authcat, @hide_cols ) = @_;
  89     my $dbh = C4::Context->dbh;
  90
  91     my $sth1 = $dbh->prepare(
  92         qq|
  93         UPDATE aqbudgets_planning SET display = 0
  94         WHERE authcat = ?
  95         AND  authvalue = ? |
  96     );
  97     foreach my $authvalue (@hide_cols) {
  98 #        $sth1->{TraceLevel} = 3;
  99         $sth1->execute(  $authcat, $authvalue );
 100     }
 101 }
 102
 103 sub GetCols {
 104     my ( $authcat, $authvalue ) = @_;
 105
 106     my $dbh = C4::Context->dbh;
 107     my $sth = $dbh->prepare(
 108         qq|
 109         SELECT count(display) as cnt from aqbudgets_planning
 110         WHERE  authcat = ?
 111         AND authvalue = ? and display  = 0   |
 112     );
 113
 114 #    $sth->{TraceLevel} = 3;
 115     $sth->execute( $authcat, $authvalue );
 116     my $res  = $sth->fetchrow_hashref;
 117
 118     return  $res->{cnt} > 0 ? 0: 1
 119
 120 }
 121
 122 sub CheckBudgetParentPerm {
 123     my ( $budget, $borrower_id ) = @_;
 124     my $depth = $budget->{depth};
 125     my $parent_id = $budget->{budget_parent_id};
 126     while ($depth) {
 127         my $parent = GetBudget($parent_id);
 128         $parent_id = $parent->{budget_parent_id};
 129         if ( $parent->{budget_owner_id} == $borrower_id ) {
 130             return 1;
 131         }
 132         $depth--
 133     }
 134     return 0;
 135 }
 136
 137 sub AddBudgetPeriod {
 138     my ($budgetperiod) = @_;
 139         return InsertInTable("aqbudgetperiods",$budgetperiod);
 140 }
 141 # -------------------------------------------------------------------
 142 sub GetPeriodsCount {
 143     my $dbh = C4::Context->dbh;
 144     my $sth = $dbh->prepare("
 145         SELECT COUNT(*) AS sum FROM aqbudgetperiods ");
 146     $sth->execute();
 147     my $res = $sth->fetchrow_hashref;
 148     return $res->{'sum'};
 149 }
 150
 151 # -------------------------------------------------------------------
 152 sub CheckBudgetParent {
 153     my ( $new_parent, $budget ) = @_;
 154     my $new_parent_id = $new_parent->{'budget_id'};
 155     my $budget_id     = $budget->{'budget_id'};
 156     my $dbh           = C4::Context->dbh;
 157     my $parent_id_tmp = $new_parent_id;
 158
 159     # check new-parent is not a child (or a child's child ;)
 160     my $sth = $dbh->prepare(qq|
 161         SELECT budget_parent_id FROM
 162             aqbudgets where budget_id = ? | );
 163     while (1) {
 164         $sth->execute($parent_id_tmp);
 165         my $res = $sth->fetchrow_hashref;
 166         if ( $res->{'budget_parent_id'} == $budget_id ) {
 167             return 1;
 168         }
 169         if ( not defined $res->{'budget_parent_id'} ) {
 170             return 0;
 171         }
 172         $parent_id_tmp = $res->{'budget_parent_id'};
 173     }
 174 }
 175
 176 # -------------------------------------------------------------------
 177 sub BudgetHasChildren {
 178     my ( $budget_id  ) = @_;
 179     my $dbh = C4::Context->dbh;
 180     my $sth = $dbh->prepare(qq|
 181        SELECT count(*) as sum FROM  aqbudgets
 182         WHERE budget_parent_id = ?   | );
 183     $sth->execute( $budget_id );
 184     my $sum = $sth->fetchrow_hashref;
 185     return $sum->{'sum'};
 186 }
 187
 188 # -------------------------------------------------------------------
 189 sub GetBudgetsPlanCell {
 190     my ( $cell, $period, $budget ) = @_;
 191     my ($actual, $sth);
 192     my $dbh = C4::Context->dbh;
 193     if ( $cell->{'authcat'} eq 'MONTHS' ) {
 194         # get the actual amount
 195         $sth = $dbh->prepare( qq|
 196
 197             SELECT SUM(ecost) AS actual FROM aqorders
 198                 WHERE    budget_id = ? AND
 199                 entrydate like "$cell->{'authvalue'}%"  |
 200         );
 201         $sth->execute( $cell->{'budget_id'} );
 202     } elsif ( $cell->{'authcat'} eq 'BRANCHES' ) {
 203         # get the actual amount
 204         $sth = $dbh->prepare( qq|
 205
 206             SELECT SUM(ecost) FROM aqorders
 207                 LEFT JOIN aqorders_items
 208                 ON (aqorders.ordernumber = aqorders_items.ordernumber)
 209                 LEFT JOIN items
 210                 ON (aqorders_items.itemnumber = items.itemnumber)
 211                 WHERE budget_id = ? AND homebranch = ? |          );
 212
 213         $sth->execute( $cell->{'budget_id'}, $cell->{'authvalue'} );
 214     } elsif ( $cell->{'authcat'} eq 'ITEMTYPES' ) {
 215         # get the actual amount
 216         $sth = $dbh->prepare(  qq|
 217
 218             SELECT SUM( ecost *  quantity) AS actual
 219                 FROM aqorders JOIN biblioitems
 220                 ON (biblioitems.biblionumber = aqorders.biblionumber )
 221                 WHERE aqorders.budget_id = ? and itemtype  = ? |
 222         );
 223         $sth->execute(  $cell->{'budget_id'},
 224                         $cell->{'authvalue'} );
 225     }
 226     # ELSE GENERIC ORDERS SORT1/SORT2 STAT COUNT.
 227     else {
 228         # get the actual amount
 229         $sth = $dbh->prepare( qq|
 230
 231         SELECT  SUM(ecost * quantity) AS actual
 232             FROM aqorders
 233             JOIN aqbudgets ON (aqbudgets.budget_id = aqorders.budget_id )
 234             WHERE  aqorders.budget_id = ? AND
 235                 ((aqbudgets.sort1_authcat = ? AND sort1 =?) OR
 236                 (aqbudgets.sort2_authcat = ? AND sort2 =?))    |
 237         );
 238         $sth->execute(  $cell->{'budget_id'},
 239                         $budget->{'sort1_authcat'},
 240                         $cell->{'authvalue'},
 241                         $budget->{'sort2_authcat'},
 242                         $cell->{'authvalue'}
 243         );
 244     }
 245     $actual = $sth->fetchrow_array;
 246
 247     # get the estimated amount
 248     $sth = $dbh->prepare( qq|
 249
 250         SELECT estimated_amount AS estimated, display FROM aqbudgets_planning
 251             WHERE budget_period_id = ? AND
 252                 budget_id = ? AND
 253                 authvalue = ? AND
 254                 authcat = ?         |
 255     );
 256     $sth->execute(  $cell->{'budget_period_id'},
 257                     $cell->{'budget_id'},
 258                     $cell->{'authvalue'},
 259                     $cell->{'authcat'},
 260     );
 261
 262
 263     my $res  = $sth->fetchrow_hashref;
 264   #  my $display = $res->{'display'};
 265     my $estimated = $res->{'estimated'};
 266
 267
 268     return $actual, $estimated;
 269 }
 270
 271 # -------------------------------------------------------------------
 272 sub ModBudgetPlan {
 273     my ( $budget_plan, $budget_period_id, $authcat ) = @_;
 274     my $dbh = C4::Context->dbh;
 275     foreach my $buds (@$budget_plan) {
 276         my $lines = $buds->{lines};
 277         my $sth = $dbh->prepare( qq|
 278                 DELETE FROM aqbudgets_planning
 279                     WHERE   budget_period_id   = ? AND
 280                             budget_id   = ? AND
 281                             authcat            = ? |
 282         );
 283     #delete a aqplan line of cells, then insert new cells,
 284     # these could be UPDATES rather than DEL/INSERTS...
 285         $sth->execute( $budget_period_id,  $lines->[0]{budget_id}   , $authcat );
 286
 287         foreach my $cell (@$lines) {
 288             my $sth = $dbh->prepare( qq|
 289
 290                 INSERT INTO aqbudgets_planning
 291                      SET   budget_id     = ?,
 292                      budget_period_id  = ?,
 293                      authcat          = ?,
 294                      estimated_amount  = ?,
 295                      authvalue       = ?  |
 296             );
 297             $sth->execute(
 298                             $cell->{'budget_id'},
 299                             $cell->{'budget_period_id'},
 300                             $cell->{'authcat'},
 301                             $cell->{'estimated_amount'},
 302                             $cell->{'authvalue'},
 303             );
 304         }
 305     }
 306 }
 307
 308 # -------------------------------------------------------------------
 309 sub GetBudgetSpent {
 310         my ($budget_id) = @_;
 311         my $dbh = C4::Context->dbh;
 312         my $sth = $dbh->prepare(qq|
 313         SELECT SUM( COALESCE(unitprice, ecost) * quantity ) AS sum FROM aqorders
 314             WHERE budget_id = ? AND
 315             quantityreceived > 0 AND
 316             datecancellationprinted IS NULL
 317     |);
 318         $sth->execute($budget_id);
 319         my $sum =  $sth->fetchrow_array;
 320
 321     $sth = $dbh->prepare(qq|
 322         SELECT SUM(shipmentcost) AS sum
 323         FROM aqinvoices
 324         WHERE shipmentcost_budgetid = ?
 325           AND closedate IS NOT NULL
 326     |);
 327     $sth->execute($budget_id);
 328     my ($shipmentcost_sum) = $sth->fetchrow_array;
 329     $sum += $shipmentcost_sum;
 330
 331         return $sum;
 332 }
 333
 334 # -------------------------------------------------------------------
 335 sub GetBudgetOrdered {
 336         my ($budget_id) = @_;
 337         my $dbh = C4::Context->dbh;
 338         my $sth = $dbh->prepare(qq|
 339         SELECT SUM(ecost *  quantity) AS sum FROM aqorders
 340             WHERE budget_id = ? AND
 341             quantityreceived = 0 AND
 342             datecancellationprinted IS NULL
 343     |);
 344         $sth->execute($budget_id);
 345         my $sum =  $sth->fetchrow_array;
 346
 347     $sth = $dbh->prepare(qq|
 348         SELECT SUM(shipmentcost) AS sum
 349         FROM aqinvoices
 350         WHERE shipmentcost_budgetid = ?
 351           AND closedate IS NULL
 352     |);
 353     $sth->execute($budget_id);
 354     my ($shipmentcost_sum) = $sth->fetchrow_array;
 355     $sum += $shipmentcost_sum;
 356
 357         return $sum;
 358 }
 359
 360 =head2 GetBudgetName
 361
 362   my $budget_name = &GetBudgetName($budget_id);
 363
 364 get the budget_name for a given budget_id
 365
 366 =cut
 367
 368 sub GetBudgetName {
 369     my ( $budget_id ) = @_;
 370     my $dbh         = C4::Context->dbh;
 371     my $sth         = $dbh->prepare(
 372         qq|
 373         SELECT budget_name
 374         FROM aqbudgets
 375         WHERE budget_id = ?
 376     |);
 377
 378     $sth->execute($budget_id);
 379     return $sth->fetchrow_array;
 380 }
 381
 382 # -------------------------------------------------------------------
 383 sub GetBudgetAuthCats  {
 384     my ($budget_period_id) = shift;
 385     # now, populate the auth_cats_loop used in the budget planning button
 386     # we must retrieve all auth values used by at least one budget
 387     my $dbh = C4::Context->dbh;
 388     my $sth=$dbh->prepare("SELECT sort1_authcat,sort2_authcat FROM aqbudgets WHERE budget_period_id=?");
 389     $sth->execute($budget_period_id);
 390     my %authcats;
 391     while (my ($sort1_authcat,$sort2_authcat) = $sth->fetchrow) {
 392         $authcats{$sort1_authcat}=1;
 393         $authcats{$sort2_authcat}=1;
 394     }
 395     my @auth_cats_loop;
 396     foreach (sort keys %authcats) {
 397         push @auth_cats_loop,{ authcat => $_ };
 398     }
 399     return \@auth_cats_loop;
 400 }
 401
 402 # -------------------------------------------------------------------
 403 sub GetAuthvalueDropbox {
 404     my ( $authcat, $default ) = @_;
 405     my $branch_limit = C4::Context->userenv ? C4::Context->userenv->{"branch"} : "";
 406     my $dbh = C4::Context->dbh;
 407
 408     my $query = qq{
 409         SELECT *
 410         FROM authorised_values
 411     };
 412     $query .= qq{
 413           LEFT JOIN authorised_values_branches ON ( id = av_id )
 414     } if $branch_limit;
 415     $query .= qq{
 416         WHERE category = ?
 417     };
 418     $query .= " AND ( branchcode = ? OR branchcode IS NULL )" if $branch_limit;
 419     $query .= " GROUP BY lib ORDER BY category, lib, lib_opac";
 420     my $sth = $dbh->prepare($query);
 421     $sth->execute( $authcat, $branch_limit ? $branch_limit : () );
 422
 423
 424     my $option_list = [];
 425     my @authorised_values = ( q{} );
 426     while (my $av = $sth->fetchrow_hashref) {
 427         push @{$option_list}, {
 428             value => $av->{authorised_value},
 429             label => $av->{lib},
 430             default => ($default eq $av->{authorised_value}),
 431         };
 432     }
 433
 434     if ( @{$option_list} ) {
 435         return $option_list;
 436     }
 437     return;
 438 }
 439
 440 # -------------------------------------------------------------------
 441 sub GetBudgetPeriods {
 442         my ($filters,$orderby) = @_;
 443     return SearchInTable("aqbudgetperiods",$filters, $orderby, undef,undef, undef, "wide");
 444 }
 445 # -------------------------------------------------------------------
 446 sub GetBudgetPeriod {
 447         my ($budget_period_id) = @_;
 448         my $dbh = C4::Context->dbh;
 449         ## $total = number of records linked to the record that must be deleted
 450         my $total = 0;
 451         ## get information about the record that will be deleted
 452         my $sth;
 453         if ($budget_period_id) {
 454                 $sth = $dbh->prepare( qq|
 455               SELECT      *
 456                 FROM aqbudgetperiods
 457                 WHERE budget_period_id=? |
 458                 );
 459                 $sth->execute($budget_period_id);
 460         } else {         # ACTIVE BUDGET
 461                 $sth = $dbh->prepare(qq|
 462                           SELECT      *
 463                 FROM aqbudgetperiods
 464                 WHERE budget_period_active=1 |
 465                 );
 466                 $sth->execute();
 467         }
 468         my $data = $sth->fetchrow_hashref;
 469         return $data;
 470 }
 471
 472 # -------------------------------------------------------------------
 473 sub DelBudgetPeriod{
 474         my ($budget_period_id) = @_;
 475         my $dbh = C4::Context->dbh;
 476           ; ## $total = number of records linked to the record that must be deleted
 477     my $total = 0;
 478
 479         ## get information about the record that will be deleted
 480         my $sth = $dbh->prepare(qq|
 481                 DELETE
 482          FROM aqbudgetperiods
 483          WHERE budget_period_id=? |
 484         );
 485         return $sth->execute($budget_period_id);
 486 }
 487
 488 # -------------------------------------------------------------------
 489 sub ModBudgetPeriod {
 490         my ($budget_period_information) = @_;
 491         return UpdateInTable("aqbudgetperiods",$budget_period_information);
 492 }
 493
 494 # -------------------------------------------------------------------
 495 sub GetBudgetHierarchy {
 496     my ( $budget_period_id, $branchcode, $owner ) = @_;
 497     my @bind_params;
 498     my $dbh   = C4::Context->dbh;
 499     my $query = qq|
 500                     SELECT aqbudgets.*, aqbudgetperiods.budget_period_active
 501                     FROM aqbudgets
 502                     JOIN aqbudgetperiods USING (budget_period_id)|;
 503
 504         my @where_strings;
 505     # show only period X if requested
 506     if ($budget_period_id) {
 507         push @where_strings," aqbudgets.budget_period_id = ?";
 508         push @bind_params, $budget_period_id;
 509     }
 510         # show only budgets owned by me, my branch or everyone
 511     if ($owner) {
 512         if ($branchcode) {
 513             push @where_strings,
 514             qq{ (budget_owner_id = ? OR budget_branchcode = ? OR ((budget_branchcode IS NULL or budget_branchcode="") AND (budget_owner_id IS NULL OR budget_owner_id="")))};
 515             push @bind_params, ( $owner, $branchcode );
 516         } else {
 517             push @where_strings, ' (budget_owner_id = ? OR budget_owner_id IS NULL or budget_owner_id ="") ';
 518             push @bind_params, $owner;
 519         }
 520     } else {
 521         if ($branchcode) {
 522             push @where_strings," (budget_branchcode =? or budget_branchcode is NULL)";
 523             push @bind_params, $branchcode;
 524         }
 525     }
 526         $query.=" WHERE ".join(' AND ', @where_strings) if @where_strings;
 527         $debug && warn $query,join(",",@bind_params);
 528         my $sth = $dbh->prepare($query);
 529         $sth->execute(@bind_params);
 530         my $results = $sth->fetchall_arrayref({});
 531         my @res     = @$results;
 532         my $i = 0;
 533         while (1) {
 534                 my $depth_cnt = 0;
 535                 foreach my $r (@res) {
 536                         my @child;
 537                         # look for children
 538                         $r->{depth} = '0' if !defined $r->{budget_parent_id};
 539                         foreach my $r2 (@res) {
 540                                 if (defined $r2->{budget_parent_id}
 541                                         && $r2->{budget_parent_id} == $r->{budget_id}) {
 542                                         push @child, $r2->{budget_id};
 543                                         $r2->{depth} = ($r->{depth} + 1) if defined $r->{depth};
 544                                 }
 545                         }
 546                         $r->{child} = \@child if scalar @child > 0;    # add the child
 547                         $depth_cnt++ if !defined $r->{'depth'};
 548                 }
 549                 last if ($depth_cnt == 0 || $i == 100);
 550                 $i++;
 551         }
 552
 553         # look for top parents 1st
 554         my (@sort, $depth_count);
 555         ($i, $depth_count) = 0;
 556         while (1) {
 557                 my $children = 0;
 558                 foreach my $r (@res) {
 559                         if ($r->{depth} == $depth_count) {
 560                                 $children++ if (ref $r->{child} eq 'ARRAY');
 561
 562                                 # find the parent id element_id and insert it after
 563                                 my $i2 = 0;
 564                                 my $parent;
 565                                 if ($depth_count > 0) {
 566
 567                                         # add indent
 568                                         my $depth = $r->{depth} * 2;
 569                                         $r->{budget_code_indent} = $r->{budget_code};
 570                                         $r->{budget_name_indent} = $r->{budget_name};
 571                                         foreach my $r3 (@sort) {
 572                                                 if ($r3->{budget_id} == $r->{budget_parent_id}) {
 573                                                         $parent = $i2;
 574                                                         last;
 575                                                 }
 576                                                 $i2++;
 577                                         }
 578                                 } else {
 579                                         $r->{budget_code_indent} = $r->{budget_code};
 580                                         $r->{budget_name_indent} = $r->{budget_name};
 581                                 }
 582
 583                                 if (defined $parent) {
 584                                         splice @sort, ($parent + 1), 0, $r;
 585                                 } else {
 586                                         push @sort, $r;
 587                                 }
 588                         }
 589
 590                         $i++;
 591                 }    # --------------foreach
 592                 $depth_count++;
 593                 last if $children == 0;
 594         }
 595
 596 # add budget-percent and allocation, and flags for html-template
 597         foreach my $r (@sort) {
 598                 my $subs_href = $r->{'child'};
 599         my @subs_arr = ();
 600         if ( defined $subs_href ) {
 601             @subs_arr = @{$subs_href};
 602         }
 603
 604         my $moo = $r->{'budget_code_indent'};
 605         $moo =~ s/\ /\&nbsp\;/g;
 606         $r->{'budget_code_indent'} =  $moo;
 607
 608         $moo = $r->{'budget_name_indent'};
 609         $moo =~ s/\ /\&nbsp\;/g;
 610         $r->{'budget_name_indent'} = $moo;
 611
 612         $r->{'budget_spent'}       = GetBudgetSpent( $r->{'budget_id'} );
 613
 614         $r->{'budget_amount_total'} =  $r->{'budget_amount'};
 615
 616         # foreach sub-levels
 617         my $unalloc_count ;
 618
 619                 foreach my $sub (@subs_arr) {
 620                         my $sub_budget = GetBudget($sub);
 621
 622                         $r->{budget_spent_sublevel} +=    GetBudgetSpent( $sub_budget->{'budget_id'} );
 623                         $unalloc_count +=   $sub_budget->{'budget_amount'};
 624                 }
 625         }
 626         return \@sort;
 627 }
 628
 629 # -------------------------------------------------------------------
 630
 631 sub AddBudget {
 632     my ($budget) = @_;
 633         return InsertInTable("aqbudgets",$budget);
 634 }
 635
 636 # -------------------------------------------------------------------
 637 sub ModBudget {
 638     my ($budget) = @_;
 639         return UpdateInTable("aqbudgets",$budget);
 640 }
 641
 642 # -------------------------------------------------------------------
 643 sub DelBudget {
 644         my ($budget_id) = @_;
 645         my $dbh         = C4::Context->dbh;
 646         my $sth         = $dbh->prepare("delete from aqbudgets where budget_id=?");
 647         my $rc          = $sth->execute($budget_id);
 648         return $rc;
 649 }
 650
 651
 652 =head2 GetBudget
 653
 654   &GetBudget($budget_id);
 655
 656 get a specific budget
 657
 658 =cut
 659
 660 # -------------------------------------------------------------------
 661 sub GetBudget {
 662     my ( $budget_id ) = @_;
 663     my $dbh = C4::Context->dbh;
 664     my $query = "
 665         SELECT *
 666         FROM   aqbudgets
 667         WHERE  budget_id=?
 668         ";
 669     my $sth = $dbh->prepare($query);
 670     $sth->execute( $budget_id );
 671     my $result = $sth->fetchrow_hashref;
 672     return $result;
 673 }
 674
 675 =head2 GetChildBudgetsSpent
 676
 677   &GetChildBudgetsSpent($budget-id);
 678
 679 gets the total spent of the level and sublevels of $budget_id
 680
 681 =cut
 682
 683 # -------------------------------------------------------------------
 684 sub GetChildBudgetsSpent {
 685     my ( $budget_id ) = @_;
 686     my $dbh = C4::Context->dbh;
 687     my $query = "
 688         SELECT *
 689         FROM   aqbudgets
 690         WHERE  budget_parent_id=?
 691         ";
 692     my $sth = $dbh->prepare($query);
 693     $sth->execute( $budget_id );
 694     my $result = $sth->fetchall_arrayref({});
 695     my $total_spent = GetBudgetSpent($budget_id);
 696     if ($result){
 697         $total_spent += GetChildBudgetsSpent($_->{"budget_id"}) foreach @$result;
 698     }
 699     return $total_spent;
 700 }
 701
 702 =head2 GetBudgets
 703
 704   &GetBudgets($filter, $order_by);
 705
 706 gets all budgets
 707
 708 =cut
 709
 710 # -------------------------------------------------------------------
 711 sub GetBudgets {
 712     my $filters = shift;
 713     my $orderby = shift || 'budget_name';
 714     return SearchInTable("aqbudgets",$filters, $orderby, undef,undef, undef, "wide");
 715 }
 716
 717 =head2 GetBudgetUsers
 718
 719     my @borrowernumbers = &GetBudgetUsers($budget_id);
 720
 721 Return the list of borrowernumbers linked to a budget
 722
 723 =cut
 724
 725 sub GetBudgetUsers {
 726     my ($budget_id) = @_;
 727
 728     my $dbh = C4::Context->dbh;
 729     my $query = qq{
 730         SELECT borrowernumber
 731         FROM aqbudgetborrowers
 732         WHERE budget_id = ?
 733     };
 734     my $sth = $dbh->prepare($query);
 735     $sth->execute($budget_id);
 736
 737     my @borrowernumbers;
 738     while (my ($borrowernumber) = $sth->fetchrow_array) {
 739         push @borrowernumbers, $borrowernumber
 740     }
 741
 742     return @borrowernumbers;
 743 }
 744
 745 =head2 ModBudgetUsers
 746
 747     &ModBudgetUsers($budget_id, @borrowernumbers);
 748
 749 Modify the list of borrowernumbers linked to a budget
 750
 751 =cut
 752
 753 sub ModBudgetUsers {
 754     my ($budget_id, @budget_users_id) = @_;
 755
 756     return unless $budget_id;
 757
 758     my $dbh = C4::Context->dbh;
 759     my $query = "DELETE FROM aqbudgetborrowers WHERE budget_id = ?";
 760     my $sth = $dbh->prepare($query);
 761     $sth->execute($budget_id);
 762
 763     $query = qq{
 764         INSERT INTO aqbudgetborrowers (budget_id, borrowernumber)
 765         VALUES (?,?)
 766     };
 767     $sth = $dbh->prepare($query);
 768     foreach my $borrowernumber (@budget_users_id) {
 769         next unless $borrowernumber;
 770         $sth->execute($budget_id, $borrowernumber);
 771     }
 772 }
 773
 774 sub CanUserUseBudget {
 775     my ($borrower, $budget, $userflags) = @_;
 776
 777     if (not ref $borrower) {
 778         $borrower = C4::Members::GetMember(borrowernumber => $borrower);
 779     }
 780     if (not ref $budget) {
 781         $budget = GetBudget($budget);
 782     }
 783
 784     return 0 unless ($borrower and $budget);
 785
 786     if (not defined $userflags) {
 787         $userflags = C4::Auth::getuserflags($borrower->{flags},
 788             $borrower->{userid});
 789     }
 790
 791     unless ($userflags->{superlibrarian}
 792     || (ref $userflags->{acquisition}
 793         && $userflags->{acquisition}->{budget_manage_all})
 794     || (!ref $userflags->{acquisition} && $userflags->{acquisition}))
 795     {
 796         if (not exists $userflags->{acquisition}) {
 797             return 0;
 798         }
 799
 800         if (!ref $userflags->{acquisition} && !$userflags->{acquisition}) {
 801             return 0;
 802         }
 803
 804         # Budget restricted to owner
 805         if ($budget->{budget_permission} == 1
 806         && $budget->{budget_owner_id}
 807         && $budget->{budget_owner_id} != $borrower->{borrowernumber}) {
 808             return 0;
 809         }
 810
 811         my @budget_users = GetBudgetUsers($budget->{budget_id});
 812
 813         # Budget restricted to owner, users and library
 814         if ($budget->{budget_permission} == 2
 815         && $budget->{budget_owner_id}
 816         && $budget->{budget_owner_id} != $borrower->{borrowernumber}
 817         && (0 == grep {$borrower->{borrowernumber} == $_} @budget_users)
 818         && defined $budget->{budget_branchcode}
 819         && $budget->{budget_branchcode} ne C4::Context->userenv->{branch}) {
 820             return 0;
 821         }
 822
 823         # Budget restricted to owner and users
 824         if ($budget->{budget_permission} == 3
 825         && $budget->{budget_owner_id}
 826         && $budget->{budget_owner_id} != $borrower->{borrowernumber}
 827         && (0 == grep {$borrower->{borrowernumber} == $_} @budget_users)) {
 828             return 0;
 829         }
 830     }
 831
 832     return 1;
 833 }
 834
 835 sub CanUserModifyBudget {
 836     my ($borrower, $budget, $userflags) = @_;
 837
 838     if (not ref $borrower) {
 839         $borrower = C4::Members::GetMember(borrowernumber => $borrower);
 840     }
 841     if (not ref $budget) {
 842         $budget = GetBudget($budget);
 843     }
 844
 845     return 0 unless ($borrower and $budget);
 846
 847     if (not defined $userflags) {
 848         $userflags = C4::Auth::getuserflags($borrower->{flags},
 849             $borrower->{userid});
 850     }
 851
 852     unless ($userflags->{superlibrarian}
 853     || (ref $userflags->{acquisition}
 854         && $userflags->{acquisition}->{budget_manage_all})
 855     || (!ref $userflags->{acquisition} && $userflags->{acquisition}))
 856     {
 857         if (!CanUserUseBudget($borrower, $budget, $userflags)) {
 858             return 0;
 859         }
 860
 861         if (ref $userflags->{acquisition}
 862         && !$userflags->{acquisition}->{budget_modify}) {
 863             return 0;
 864         }
 865     }
 866
 867     return 1;
 868 }
 869
 870 # -------------------------------------------------------------------
 871
 872 =head2 GetCurrencies
 873
 874   @currencies = &GetCurrencies;
 875
 876 Returns the list of all known currencies.
 877
 878 C<$currencies> is a array; its elements are references-to-hash, whose
 879 keys are the fields from the currency table in the Koha database.
 880
 881 =cut
 882
 883 sub GetCurrencies {
 884     my $dbh   = C4::Context->dbh;
 885     my $query = "
 886         SELECT *
 887         FROM   currency
 888     ";
 889     my $sth = $dbh->prepare($query);
 890     $sth->execute;
 891     my @results = ();
 892     while ( my $data = $sth->fetchrow_hashref ) {
 893         push( @results, $data );
 894     }
 895     return @results;
 896 }
 897
 898 # -------------------------------------------------------------------
 899
 900 sub GetCurrency {
 901     my $dbh   = C4::Context->dbh;
 902     my $query = "
 903         SELECT * FROM currency where active = '1'    ";
 904     my $sth = $dbh->prepare($query);
 905     $sth->execute;
 906     my $r = $sth->fetchrow_hashref;
 907     return $r;
 908 }
 909
 910 =head2 ModCurrencies
 911
 912 &ModCurrencies($currency, $newrate);
 913
 914 Sets the exchange rate for C<$currency> to be C<$newrate>.
 915
 916 =cut
 917
 918 sub ModCurrencies {
 919     my ( $currency, $rate ) = @_;
 920     my $dbh   = C4::Context->dbh;
 921     my $query = qq|
 922         UPDATE currency
 923         SET    rate=?
 924         WHERE  currency=? |;
 925     my $sth = $dbh->prepare($query);
 926     $sth->execute( $rate, $currency );
 927 }
 928
 929 # -------------------------------------------------------------------
 930
 931 =head2 ConvertCurrency
 932
 933   $foreignprice = &ConvertCurrency($currency, $localprice);
 934
 935 Converts the price C<$localprice> to foreign currency C<$currency> by
 936 dividing by the exchange rate, and returns the result.
 937
 938 If no exchange rate is found, e is one to one.
 939
 940 =cut
 941
 942 sub ConvertCurrency {
 943     my ( $currency, $price ) = @_;
 944     my $dbh   = C4::Context->dbh;
 945     my $query = "
 946         SELECT rate
 947         FROM   currency
 948         WHERE  currency=?
 949     ";
 950     my $sth = $dbh->prepare($query);
 951     $sth->execute($currency);
 952     my $cur = ( $sth->fetchrow_array() )[0];
 953     unless ($cur) {
 954         $cur = 1;
 955     }
 956     return ( $price / $cur );
 957 }
 958
 959 =head2 _columns
 960
 961 returns an array containing fieldname followed by PRI as value if PRIMARY Key
 962
 963 =cut
 964
 965 sub _columns(;$) {
 966         my $tablename=shift||"aqbudgets";
 967     return @{C4::Context->dbh->selectcol_arrayref("SHOW columns from $tablename",{Columns=>[1,4]})};
 968 }
 969
 970 sub _filter_fields{
 971         my $budget=shift;
 972         my $tablename=shift;
 973     my @keys;
 974         my @values;
 975         my %columns= _columns($tablename);
 976         #Filter Primary Keys of table
 977     my $elements=join "|",grep {$columns{$_} ne "PRI"} keys %columns;
 978         foreach my $field (grep {/\b($elements)\b/} keys %$budget){
 979                 $$budget{$field}=format_date_in_iso($$budget{$field}) if ($field=~/date/ && $$budget{$field} !~C4::Dates->regexp("iso"));
 980                 my $strkeys= " $field = ? ";
 981                 if ($field=~/branch/){
 982                         $strkeys="( $strkeys OR $field='' OR $field IS NULL) ";
 983                 }
 984                 push @values, $$budget{$field};
 985                 push @keys, $strkeys;
 986         }
 987         return (\@keys,\@values);
 988 }
 989
 990 END { }    # module clean-up code here (global destructor)
 991
 992 1;
 993 __END__
 994
 995 =head1 AUTHOR
 996
 997 Koha Development Team <http://koha-community.org/>
 998
 999 =cut