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