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         &GetBudgetByCode
  39         &GetBudgets
  40         &GetBudgetHierarchy
  41             &AddBudget
  42         &ModBudget
  43         &DelBudget
  44         &GetBudgetSpent
  45         &GetBudgetOrdered
  46         &GetBudgetName
  47         &GetPeriodsCount
  48         &GetChildBudgetsSpent
  49
  50         &GetBudgetUsers
  51         &ModBudgetUsers
  52         &CanUserUseBudget
  53         &CanUserModifyBudget
  54
  55             &GetBudgetPeriod
  56         &GetBudgetPeriods
  57         &ModBudgetPeriod
  58         &AddBudgetPeriod
  59             &DelBudgetPeriod
  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 => $_ };
 398     }
 399     return \@auth_cats_loop;
 400 }
 401
 402 # -------------------------------------------------------------------
 403 sub GetBudgetPeriods {
 404         my ($filters,$orderby) = @_;
 405     return SearchInTable("aqbudgetperiods",$filters, $orderby, undef,undef, undef, "wide");
 406 }
 407 # -------------------------------------------------------------------
 408 sub GetBudgetPeriod {
 409         my ($budget_period_id) = @_;
 410         my $dbh = C4::Context->dbh;
 411         ## $total = number of records linked to the record that must be deleted
 412         my $total = 0;
 413         ## get information about the record that will be deleted
 414         my $sth;
 415         if ($budget_period_id) {
 416                 $sth = $dbh->prepare( qq|
 417               SELECT      *
 418                 FROM aqbudgetperiods
 419                 WHERE budget_period_id=? |
 420                 );
 421                 $sth->execute($budget_period_id);
 422         } else {         # ACTIVE BUDGET
 423                 $sth = $dbh->prepare(qq|
 424                           SELECT      *
 425                 FROM aqbudgetperiods
 426                 WHERE budget_period_active=1 |
 427                 );
 428                 $sth->execute();
 429         }
 430         my $data = $sth->fetchrow_hashref;
 431         return $data;
 432 }
 433
 434 # -------------------------------------------------------------------
 435 sub DelBudgetPeriod{
 436         my ($budget_period_id) = @_;
 437         my $dbh = C4::Context->dbh;
 438           ; ## $total = number of records linked to the record that must be deleted
 439     my $total = 0;
 440
 441         ## get information about the record that will be deleted
 442         my $sth = $dbh->prepare(qq|
 443                 DELETE
 444          FROM aqbudgetperiods
 445          WHERE budget_period_id=? |
 446         );
 447         return $sth->execute($budget_period_id);
 448 }
 449
 450 # -------------------------------------------------------------------
 451 sub ModBudgetPeriod {
 452         my ($budget_period_information) = @_;
 453         return UpdateInTable("aqbudgetperiods",$budget_period_information);
 454 }
 455
 456 # -------------------------------------------------------------------
 457 sub GetBudgetHierarchy {
 458     my ( $budget_period_id, $branchcode, $owner ) = @_;
 459     my @bind_params;
 460     my $dbh   = C4::Context->dbh;
 461     my $query = qq|
 462                     SELECT aqbudgets.*, aqbudgetperiods.budget_period_active, aqbudgetperiods.budget_period_description
 463                     FROM aqbudgets
 464                     JOIN aqbudgetperiods USING (budget_period_id)|;
 465
 466         my @where_strings;
 467     # show only period X if requested
 468     if ($budget_period_id) {
 469         push @where_strings," aqbudgets.budget_period_id = ?";
 470         push @bind_params, $budget_period_id;
 471     }
 472         # show only budgets owned by me, my branch or everyone
 473     if ($owner) {
 474         if ($branchcode) {
 475             push @where_strings,
 476             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="")))};
 477             push @bind_params, ( $owner, $branchcode );
 478         } else {
 479             push @where_strings, ' (budget_owner_id = ? OR budget_owner_id IS NULL or budget_owner_id ="") ';
 480             push @bind_params, $owner;
 481         }
 482     } else {
 483         if ($branchcode) {
 484             push @where_strings," (budget_branchcode =? or budget_branchcode is NULL)";
 485             push @bind_params, $branchcode;
 486         }
 487     }
 488         $query.=" WHERE ".join(' AND ', @where_strings) if @where_strings;
 489         $debug && warn $query,join(",",@bind_params);
 490         my $sth = $dbh->prepare($query);
 491         $sth->execute(@bind_params);
 492         my $results = $sth->fetchall_arrayref({});
 493         my @res     = @$results;
 494         my $i = 0;
 495         while (1) {
 496                 my $depth_cnt = 0;
 497                 foreach my $r (@res) {
 498                         my @child;
 499                         # look for children
 500                         $r->{depth} = '0' if !defined $r->{budget_parent_id};
 501                         foreach my $r2 (@res) {
 502                                 if (defined $r2->{budget_parent_id}
 503                                         && $r2->{budget_parent_id} == $r->{budget_id}) {
 504                                         push @child, $r2->{budget_id};
 505                                         $r2->{depth} = ($r->{depth} + 1) if defined $r->{depth};
 506                                 }
 507                         }
 508                         $r->{child} = \@child if scalar @child > 0;    # add the child
 509                         $depth_cnt++ if !defined $r->{'depth'};
 510                 }
 511                 last if ($depth_cnt == 0 || $i == 100);
 512                 $i++;
 513         }
 514
 515         # look for top parents 1st
 516         my (@sort, $depth_count);
 517         ($i, $depth_count) = 0;
 518         while (1) {
 519                 my $children = 0;
 520                 foreach my $r (@res) {
 521                         if ($r->{depth} == $depth_count) {
 522                                 $children++ if (ref $r->{child} eq 'ARRAY');
 523
 524                                 # find the parent id element_id and insert it after
 525                                 my $i2 = 0;
 526                                 my $parent;
 527                                 if ($depth_count > 0) {
 528
 529                                         # add indent
 530                                         my $depth = $r->{depth} * 2;
 531                                         $r->{budget_code_indent} = $r->{budget_code};
 532                                         $r->{budget_name_indent} = $r->{budget_name};
 533                                         foreach my $r3 (@sort) {
 534                                                 if ($r3->{budget_id} == $r->{budget_parent_id}) {
 535                                                         $parent = $i2;
 536                                                         last;
 537                                                 }
 538                                                 $i2++;
 539                                         }
 540                                 } else {
 541                                         $r->{budget_code_indent} = $r->{budget_code};
 542                                         $r->{budget_name_indent} = $r->{budget_name};
 543                                 }
 544
 545                                 if (defined $parent) {
 546                                         splice @sort, ($parent + 1), 0, $r;
 547                                 } else {
 548                                         push @sort, $r;
 549                                 }
 550                         }
 551
 552                         $i++;
 553                 }    # --------------foreach
 554                 $depth_count++;
 555                 last if $children == 0;
 556         }
 557
 558 # add budget-percent and allocation, and flags for html-template
 559         foreach my $r (@sort) {
 560                 my $subs_href = $r->{'child'};
 561         my @subs_arr = ();
 562         if ( defined $subs_href ) {
 563             @subs_arr = @{$subs_href};
 564         }
 565
 566         my $moo = $r->{'budget_code_indent'};
 567         $moo =~ s/\ /\&nbsp\;/g;
 568         $r->{'budget_code_indent'} =  $moo;
 569
 570         $moo = $r->{'budget_name_indent'};
 571         $moo =~ s/\ /\&nbsp\;/g;
 572         $r->{'budget_name_indent'} = $moo;
 573
 574         $r->{'budget_spent'}       = GetBudgetSpent( $r->{'budget_id'} );
 575         $r->{budget_ordered} = GetBudgetOrdered( $r->{budget_id} );
 576
 577         $r->{budget_spent_sublevels} = 0;
 578         $r->{budget_ordered_sublevels} = 0;
 579         # foreach sub-levels
 580                 foreach my $sub (@subs_arr) {
 581                         my $sub_budget = GetBudget($sub);
 582             $r->{budget_spent_sublevels} += GetBudgetSpent( $sub_budget->{'budget_id'} );
 583             $r->{budget_ordered_sublevels} += GetBudgetOrdered($sub);
 584                 }
 585         }
 586         return \@sort;
 587 }
 588
 589 # -------------------------------------------------------------------
 590
 591 sub AddBudget {
 592     my ($budget) = @_;
 593         return InsertInTable("aqbudgets",$budget);
 594 }
 595
 596 # -------------------------------------------------------------------
 597 sub ModBudget {
 598     my ($budget) = @_;
 599         return UpdateInTable("aqbudgets",$budget);
 600 }
 601
 602 # -------------------------------------------------------------------
 603 sub DelBudget {
 604         my ($budget_id) = @_;
 605         my $dbh         = C4::Context->dbh;
 606         my $sth         = $dbh->prepare("delete from aqbudgets where budget_id=?");
 607         my $rc          = $sth->execute($budget_id);
 608         return $rc;
 609 }
 610
 611
 612 =head2 GetBudget
 613
 614   &GetBudget($budget_id);
 615
 616 get a specific budget
 617
 618 =cut
 619
 620 # -------------------------------------------------------------------
 621 sub GetBudget {
 622     my ( $budget_id ) = @_;
 623     my $dbh = C4::Context->dbh;
 624     my $query = "
 625         SELECT *
 626         FROM   aqbudgets
 627         WHERE  budget_id=?
 628         ";
 629     my $sth = $dbh->prepare($query);
 630     $sth->execute( $budget_id );
 631     my $result = $sth->fetchrow_hashref;
 632     return $result;
 633 }
 634
 635 =head2 GetBudgetByOrderNumber
 636
 637   &GetBudgetByOrderNumber($ordernumber);
 638
 639 get a specific budget by order number
 640
 641 =cut
 642
 643 # -------------------------------------------------------------------
 644 sub GetBudgetByOrderNumber {
 645     my ( $ordernumber ) = @_;
 646     my $dbh = C4::Context->dbh;
 647     my $query = "
 648         SELECT aqbudgets.*
 649         FROM   aqbudgets, aqorders
 650         WHERE  ordernumber=?
 651         AND    aqorders.budget_id = aqbudgets.budget_id
 652         ";
 653     my $sth = $dbh->prepare($query);
 654     $sth->execute( $ordernumber );
 655     my $result = $sth->fetchrow_hashref;
 656     return $result;
 657 }
 658
 659 =head2 GetBudgetByCode
 660
 661     my $budget = &GetBudgetByCode($budget_code);
 662
 663 Retrieve all aqbudgets fields as a hashref for the budget that has
 664 given budget_code
 665
 666 =cut
 667
 668 sub GetBudgetByCode {
 669     my ( $budget_code ) = @_;
 670
 671     my $dbh = C4::Context->dbh;
 672     my $query = qq{
 673         SELECT *
 674         FROM aqbudgets
 675         WHERE budget_code = ?
 676         ORDER BY budget_id DESC
 677         LIMIT 1
 678     };
 679     my $sth = $dbh->prepare( $query );
 680     $sth->execute( $budget_code );
 681     return $sth->fetchrow_hashref;
 682 }
 683
 684 =head2 GetChildBudgetsSpent
 685
 686   &GetChildBudgetsSpent($budget-id);
 687
 688 gets the total spent of the level and sublevels of $budget_id
 689
 690 =cut
 691
 692 # -------------------------------------------------------------------
 693 sub GetChildBudgetsSpent {
 694     my ( $budget_id ) = @_;
 695     my $dbh = C4::Context->dbh;
 696     my $query = "
 697         SELECT *
 698         FROM   aqbudgets
 699         WHERE  budget_parent_id=?
 700         ";
 701     my $sth = $dbh->prepare($query);
 702     $sth->execute( $budget_id );
 703     my $result = $sth->fetchall_arrayref({});
 704     my $total_spent = GetBudgetSpent($budget_id);
 705     if ($result){
 706         $total_spent += GetChildBudgetsSpent($_->{"budget_id"}) foreach @$result;
 707     }
 708     return $total_spent;
 709 }
 710
 711 =head2 GetBudgets
 712
 713   &GetBudgets($filter, $order_by);
 714
 715 gets all budgets
 716
 717 =cut
 718
 719 # -------------------------------------------------------------------
 720 sub GetBudgets {
 721     my $filters = shift;
 722     my $orderby = shift || 'budget_name';
 723     return SearchInTable("aqbudgets",$filters, $orderby, undef,undef, undef, "wide");
 724 }
 725
 726 =head2 GetBudgetUsers
 727
 728     my @borrowernumbers = &GetBudgetUsers($budget_id);
 729
 730 Return the list of borrowernumbers linked to a budget
 731
 732 =cut
 733
 734 sub GetBudgetUsers {
 735     my ($budget_id) = @_;
 736
 737     my $dbh = C4::Context->dbh;
 738     my $query = qq{
 739         SELECT borrowernumber
 740         FROM aqbudgetborrowers
 741         WHERE budget_id = ?
 742     };
 743     my $sth = $dbh->prepare($query);
 744     $sth->execute($budget_id);
 745
 746     my @borrowernumbers;
 747     while (my ($borrowernumber) = $sth->fetchrow_array) {
 748         push @borrowernumbers, $borrowernumber
 749     }
 750
 751     return @borrowernumbers;
 752 }
 753
 754 =head2 ModBudgetUsers
 755
 756     &ModBudgetUsers($budget_id, @borrowernumbers);
 757
 758 Modify the list of borrowernumbers linked to a budget
 759
 760 =cut
 761
 762 sub ModBudgetUsers {
 763     my ($budget_id, @budget_users_id) = @_;
 764
 765     return unless $budget_id;
 766
 767     my $dbh = C4::Context->dbh;
 768     my $query = "DELETE FROM aqbudgetborrowers WHERE budget_id = ?";
 769     my $sth = $dbh->prepare($query);
 770     $sth->execute($budget_id);
 771
 772     $query = qq{
 773         INSERT INTO aqbudgetborrowers (budget_id, borrowernumber)
 774         VALUES (?,?)
 775     };
 776     $sth = $dbh->prepare($query);
 777     foreach my $borrowernumber (@budget_users_id) {
 778         next unless $borrowernumber;
 779         $sth->execute($budget_id, $borrowernumber);
 780     }
 781 }
 782
 783 sub CanUserUseBudget {
 784     my ($borrower, $budget, $userflags) = @_;
 785
 786     if (not ref $borrower) {
 787         $borrower = C4::Members::GetMember(borrowernumber => $borrower);
 788     }
 789     if (not ref $budget) {
 790         $budget = GetBudget($budget);
 791     }
 792
 793     return 0 unless ($borrower and $budget);
 794
 795     if (not defined $userflags) {
 796         $userflags = C4::Auth::getuserflags($borrower->{flags},
 797             $borrower->{userid});
 798     }
 799
 800     unless ($userflags->{superlibrarian}
 801     || (ref $userflags->{acquisition}
 802         && $userflags->{acquisition}->{budget_manage_all})
 803     || (!ref $userflags->{acquisition} && $userflags->{acquisition}))
 804     {
 805         if (not exists $userflags->{acquisition}) {
 806             return 0;
 807         }
 808
 809         if (!ref $userflags->{acquisition} && !$userflags->{acquisition}) {
 810             return 0;
 811         }
 812
 813         # Budget restricted to owner
 814         if ( $budget->{budget_permission} == 1 ) {
 815             if (    $budget->{budget_owner_id}
 816                 and $budget->{budget_owner_id} != $borrower->{borrowernumber} )
 817             {
 818                 return 0;
 819             }
 820         }
 821
 822         # Budget restricted to owner, users and library
 823         elsif ( $budget->{budget_permission} == 2 ) {
 824             my @budget_users = GetBudgetUsers( $budget->{budget_id} );
 825
 826             if (
 827                 (
 828                         $budget->{budget_owner_id}
 829                     and $budget->{budget_owner_id} !=
 830                     $borrower->{borrowernumber}
 831                     or not $budget->{budget_owner_id}
 832                 )
 833                 and ( 0 == grep { $borrower->{borrowernumber} == $_ }
 834                     @budget_users )
 835                 and defined $budget->{budget_branchcode}
 836                 and $budget->{budget_branchcode} ne
 837                 C4::Context->userenv->{branch}
 838               )
 839             {
 840                 return 0;
 841             }
 842         }
 843
 844         # Budget restricted to owner and users
 845         elsif ( $budget->{budget_permission} == 3 ) {
 846             my @budget_users = GetBudgetUsers( $budget->{budget_id} );
 847             if (
 848                 (
 849                         $budget->{budget_owner_id}
 850                     and $budget->{budget_owner_id} !=
 851                     $borrower->{borrowernumber}
 852                     or not $budget->{budget_owner_id}
 853                 )
 854                 and ( 0 == grep { $borrower->{borrowernumber} == $_ }
 855                     @budget_users )
 856               )
 857             {
 858                 return 0;
 859             }
 860         }
 861     }
 862
 863     return 1;
 864 }
 865
 866 sub CanUserModifyBudget {
 867     my ($borrower, $budget, $userflags) = @_;
 868
 869     if (not ref $borrower) {
 870         $borrower = C4::Members::GetMember(borrowernumber => $borrower);
 871     }
 872     if (not ref $budget) {
 873         $budget = GetBudget($budget);
 874     }
 875
 876     return 0 unless ($borrower and $budget);
 877
 878     if (not defined $userflags) {
 879         $userflags = C4::Auth::getuserflags($borrower->{flags},
 880             $borrower->{userid});
 881     }
 882
 883     unless ($userflags->{superlibrarian}
 884     || (ref $userflags->{acquisition}
 885         && $userflags->{acquisition}->{budget_manage_all})
 886     || (!ref $userflags->{acquisition} && $userflags->{acquisition}))
 887     {
 888         if (!CanUserUseBudget($borrower, $budget, $userflags)) {
 889             return 0;
 890         }
 891
 892         if (ref $userflags->{acquisition}
 893         && !$userflags->{acquisition}->{budget_modify}) {
 894             return 0;
 895         }
 896     }
 897
 898     return 1;
 899 }
 900
 901 # -------------------------------------------------------------------
 902
 903 =head2 GetCurrencies
 904
 905   @currencies = &GetCurrencies;
 906
 907 Returns the list of all known currencies.
 908
 909 C<$currencies> is a array; its elements are references-to-hash, whose
 910 keys are the fields from the currency table in the Koha database.
 911
 912 =cut
 913
 914 sub GetCurrencies {
 915     my $dbh   = C4::Context->dbh;
 916     my $query = "
 917         SELECT *
 918         FROM   currency
 919     ";
 920     my $sth = $dbh->prepare($query);
 921     $sth->execute;
 922     my @results = ();
 923     while ( my $data = $sth->fetchrow_hashref ) {
 924         push( @results, $data );
 925     }
 926     return @results;
 927 }
 928
 929 # -------------------------------------------------------------------
 930
 931 sub GetCurrency {
 932     my $dbh   = C4::Context->dbh;
 933     my $query = "
 934         SELECT * FROM currency where active = '1'    ";
 935     my $sth = $dbh->prepare($query);
 936     $sth->execute;
 937     my $r = $sth->fetchrow_hashref;
 938     return $r;
 939 }
 940
 941 =head2 ModCurrencies
 942
 943 &ModCurrencies($currency, $newrate);
 944
 945 Sets the exchange rate for C<$currency> to be C<$newrate>.
 946
 947 =cut
 948
 949 sub ModCurrencies {
 950     my ( $currency, $rate ) = @_;
 951     my $dbh   = C4::Context->dbh;
 952     my $query = qq|
 953         UPDATE currency
 954         SET    rate=?
 955         WHERE  currency=? |;
 956     my $sth = $dbh->prepare($query);
 957     $sth->execute( $rate, $currency );
 958 }
 959
 960 # -------------------------------------------------------------------
 961
 962 =head2 ConvertCurrency
 963
 964   $foreignprice = &ConvertCurrency($currency, $localprice);
 965
 966 Converts the price C<$localprice> to foreign currency C<$currency> by
 967 dividing by the exchange rate, and returns the result.
 968
 969 If no exchange rate is found, e is one to one.
 970
 971 =cut
 972
 973 sub ConvertCurrency {
 974     my ( $currency, $price ) = @_;
 975     my $dbh   = C4::Context->dbh;
 976     my $query = "
 977         SELECT rate
 978         FROM   currency
 979         WHERE  currency=?
 980     ";
 981     my $sth = $dbh->prepare($query);
 982     $sth->execute($currency);
 983     my $cur = ( $sth->fetchrow_array() )[0];
 984     unless ($cur) {
 985         $cur = 1;
 986     }
 987     return ( $price / $cur );
 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