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 = 3.01;
  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         &GetPeriodsCount
  45         &GetChildBudgetsSpent
  46
  47             &GetBudgetPeriod
  48         &GetBudgetPeriods
  49         &ModBudgetPeriod
  50         &AddBudgetPeriod
  51             &DelBudgetPeriod
  52
  53         &GetAuthvalueDropbox
  54
  55         &ModBudgetPlan
  56
  57         &GetCurrency
  58         &GetCurrencies
  59         &ModCurrencies
  60         &ConvertCurrency
  61
  62                 &GetBudgetsPlanCell
  63         &AddBudgetPlanValue
  64         &GetBudgetAuthCats
  65         &BudgetHasChildren
  66         &CheckBudgetParent
  67         &CheckBudgetParentPerm
  68
  69         &HideCols
  70         &GetCols
  71         );
  72 }
  73
  74 # ----------------------------BUDGETS.PM-----------------------------";
  75
  76
  77 =head1 FUNCTIONS ABOUT BUDGETS
  78
  79 =cut
  80
  81 sub HideCols {
  82     my ( $authcat, @hide_cols ) = @_;
  83     my $dbh = C4::Context->dbh;
  84
  85     my $sth1 = $dbh->prepare(
  86         qq|
  87         UPDATE aqbudgets_planning SET display = 0
  88         WHERE authcat = ?
  89         AND  authvalue = ? |
  90     );
  91     foreach my $authvalue (@hide_cols) {
  92 #        $sth1->{TraceLevel} = 3;
  93         $sth1->execute(  $authcat, $authvalue );
  94     }
  95 }
  96
  97 sub GetCols {
  98     my ( $authcat, $authvalue ) = @_;
  99
 100     my $dbh = C4::Context->dbh;
 101     my $sth = $dbh->prepare(
 102         qq|
 103         SELECT count(display) as cnt from aqbudgets_planning
 104         WHERE  authcat = ?
 105         AND authvalue = ? and display  = 0   |
 106     );
 107
 108 #    $sth->{TraceLevel} = 3;
 109     $sth->execute( $authcat, $authvalue );
 110     my $res  = $sth->fetchrow_hashref;
 111
 112     return  $res->{cnt} > 0 ? 0: 1
 113
 114 }
 115
 116 sub CheckBudgetParentPerm {
 117     my ( $budget, $borrower_id ) = @_;
 118     my $depth = $budget->{depth};
 119     my $parent_id = $budget->{budget_parent_id};
 120     while ($depth) {
 121         my $parent = GetBudget($parent_id);
 122         $parent_id = $parent->{budget_parent_id};
 123         if ( $parent->{budget_owner_id} == $borrower_id ) {
 124             return 1;
 125         }
 126         $depth--
 127     }
 128     return 0;
 129 }
 130
 131 sub AddBudgetPeriod {
 132     my ($budgetperiod) = @_;
 133         return InsertInTable("aqbudgetperiods",$budgetperiod);
 134 }
 135 # -------------------------------------------------------------------
 136 sub GetPeriodsCount {
 137     my $dbh = C4::Context->dbh;
 138     my $sth = $dbh->prepare("
 139         SELECT COUNT(*) AS sum FROM aqbudgetperiods ");
 140     $sth->execute();
 141     my $res = $sth->fetchrow_hashref;
 142     return $res->{'sum'};
 143 }
 144
 145 # -------------------------------------------------------------------
 146 sub CheckBudgetParent {
 147     my ( $new_parent, $budget ) = @_;
 148     my $new_parent_id = $new_parent->{'budget_id'};
 149     my $budget_id     = $budget->{'budget_id'};
 150     my $dbh           = C4::Context->dbh;
 151     my $parent_id_tmp = $new_parent_id;
 152
 153     # check new-parent is not a child (or a child's child ;)
 154     my $sth = $dbh->prepare(qq|
 155         SELECT budget_parent_id FROM
 156             aqbudgets where budget_id = ? | );
 157     while (1) {
 158         $sth->execute($parent_id_tmp);
 159         my $res = $sth->fetchrow_hashref;
 160         if ( $res->{'budget_parent_id'} == $budget_id ) {
 161             return 1;
 162         }
 163         if ( not defined $res->{'budget_parent_id'} ) {
 164             return 0;
 165         }
 166         $parent_id_tmp = $res->{'budget_parent_id'};
 167     }
 168 }
 169
 170 # -------------------------------------------------------------------
 171 sub BudgetHasChildren {
 172     my ( $budget_id  ) = @_;
 173     my $dbh = C4::Context->dbh;
 174     my $sth = $dbh->prepare(qq|
 175        SELECT count(*) as sum FROM  aqbudgets
 176         WHERE budget_parent_id = ?   | );
 177     $sth->execute( $budget_id );
 178     my $sum = $sth->fetchrow_hashref;
 179     return $sum->{'sum'};
 180 }
 181
 182 # -------------------------------------------------------------------
 183 sub GetBudgetsPlanCell {
 184     my ( $cell, $period, $budget ) = @_;
 185     my ($actual, $sth);
 186     my $dbh = C4::Context->dbh;
 187     if ( $cell->{'authcat'} eq 'MONTHS' ) {
 188         # get the actual amount
 189         $sth = $dbh->prepare( qq|
 190
 191             SELECT SUM(ecost) AS actual FROM aqorders
 192                 WHERE    budget_id = ? AND
 193                 entrydate like "$cell->{'authvalue'}%"  |
 194         );
 195         $sth->execute( $cell->{'budget_id'} );
 196     } elsif ( $cell->{'authcat'} eq 'BRANCHES' ) {
 197         # get the actual amount
 198         $sth = $dbh->prepare( qq|
 199
 200             SELECT SUM(ecost) FROM aqorders
 201                 LEFT JOIN aqorders_items
 202                 ON (aqorders.ordernumber = aqorders_items.ordernumber)
 203                 LEFT JOIN items
 204                 ON (aqorders_items.itemnumber = items.itemnumber)
 205                 WHERE budget_id = ? AND homebranch = ? |          );
 206
 207         $sth->execute( $cell->{'budget_id'}, $cell->{'authvalue'} );
 208     } elsif ( $cell->{'authcat'} eq 'ITEMTYPES' ) {
 209         # get the actual amount
 210         $sth = $dbh->prepare(  qq|
 211
 212             SELECT SUM( ecost *  quantity) AS actual
 213                 FROM aqorders JOIN biblioitems
 214                 ON (biblioitems.biblionumber = aqorders.biblionumber )
 215                 WHERE aqorders.budget_id = ? and itemtype  = ? |
 216         );
 217         $sth->execute(  $cell->{'budget_id'},
 218                         $cell->{'authvalue'} );
 219     }
 220     # ELSE GENERIC ORDERS SORT1/SORT2 STAT COUNT.
 221     else {
 222         # get the actual amount
 223         $sth = $dbh->prepare( qq|
 224
 225         SELECT  SUM(ecost * quantity) AS actual
 226             FROM aqorders
 227             JOIN aqbudgets ON (aqbudgets.budget_id = aqorders.budget_id )
 228             WHERE  aqorders.budget_id = ? AND
 229                 ((aqbudgets.sort1_authcat = ? AND sort1 =?) OR
 230                 (aqbudgets.sort2_authcat = ? AND sort2 =?))    |
 231         );
 232         $sth->execute(  $cell->{'budget_id'},
 233                         $budget->{'sort1_authcat'},
 234                         $cell->{'authvalue'},
 235                         $budget->{'sort2_authcat'},
 236                         $cell->{'authvalue'}
 237         );
 238     }
 239     $actual = $sth->fetchrow_array;
 240
 241     # get the estimated amount
 242     $sth = $dbh->prepare( qq|
 243
 244         SELECT estimated_amount AS estimated, display FROM aqbudgets_planning
 245             WHERE budget_period_id = ? AND
 246                 budget_id = ? AND
 247                 authvalue = ? AND
 248                 authcat = ?         |
 249     );
 250     $sth->execute(  $cell->{'budget_period_id'},
 251                     $cell->{'budget_id'},
 252                     $cell->{'authvalue'},
 253                     $cell->{'authcat'},
 254     );
 255
 256
 257     my $res  = $sth->fetchrow_hashref;
 258   #  my $display = $res->{'display'};
 259     my $estimated = $res->{'estimated'};
 260
 261
 262     return $actual, $estimated;
 263 }
 264
 265 # -------------------------------------------------------------------
 266 sub ModBudgetPlan {
 267     my ( $budget_plan, $budget_period_id, $authcat ) = @_;
 268     my $dbh = C4::Context->dbh;
 269     foreach my $buds (@$budget_plan) {
 270         my $lines = $buds->{lines};
 271         my $sth = $dbh->prepare( qq|
 272                 DELETE FROM aqbudgets_planning
 273                     WHERE   budget_period_id   = ? AND
 274                             budget_id   = ? AND
 275                             authcat            = ? |
 276         );
 277     #delete a aqplan line of cells, then insert new cells,
 278     # these could be UPDATES rather than DEL/INSERTS...
 279         $sth->execute( $budget_period_id,  $lines->[0]{budget_id}   , $authcat );
 280
 281         foreach my $cell (@$lines) {
 282             my $sth = $dbh->prepare( qq|
 283
 284                 INSERT INTO aqbudgets_planning
 285                      SET   budget_id     = ?,
 286                      budget_period_id  = ?,
 287                      authcat          = ?,
 288                      estimated_amount  = ?,
 289                      authvalue       = ?  |
 290             );
 291             $sth->execute(
 292                             $cell->{'budget_id'},
 293                             $cell->{'budget_period_id'},
 294                             $cell->{'authcat'},
 295                             $cell->{'estimated_amount'},
 296                             $cell->{'authvalue'},
 297             );
 298         }
 299     }
 300 }
 301
 302 # -------------------------------------------------------------------
 303 sub GetBudgetSpent {
 304         my ($budget_id) = @_;
 305         my $dbh = C4::Context->dbh;
 306         my $sth = $dbh->prepare(qq|
 307         SELECT SUM( COALESCE(unitprice, ecost) * quantity ) AS sum FROM aqorders
 308             WHERE budget_id = ? AND
 309             quantityreceived > 0 AND
 310             datecancellationprinted IS NULL
 311     |);
 312
 313         $sth->execute($budget_id);
 314         my $sum =  $sth->fetchrow_array;
 315         return $sum;
 316 }
 317
 318 # -------------------------------------------------------------------
 319 sub GetBudgetOrdered {
 320         my ($budget_id) = @_;
 321         my $dbh = C4::Context->dbh;
 322         my $sth = $dbh->prepare(qq|
 323         SELECT SUM(ecost *  quantity) AS sum FROM aqorders
 324             WHERE budget_id = ? AND
 325             quantityreceived = 0 AND
 326             datecancellationprinted IS NULL
 327     |);
 328
 329         $sth->execute($budget_id);
 330         my $sum =  $sth->fetchrow_array;
 331         return $sum;
 332 }
 333
 334 # -------------------------------------------------------------------
 335 sub GetBudgetAuthCats  {
 336     my ($budget_period_id) = shift;
 337     # now, populate the auth_cats_loop used in the budget planning button
 338     # we must retrieve all auth values used by at least one budget
 339     my $dbh = C4::Context->dbh;
 340     my $sth=$dbh->prepare("SELECT sort1_authcat,sort2_authcat FROM aqbudgets WHERE budget_period_id=?");
 341     $sth->execute($budget_period_id);
 342     my %authcats;
 343     while (my ($sort1_authcat,$sort2_authcat) = $sth->fetchrow) {
 344         $authcats{$sort1_authcat}=1;
 345         $authcats{$sort2_authcat}=1;
 346     }
 347     my @auth_cats_loop;
 348     foreach (sort keys %authcats) {
 349         push @auth_cats_loop,{ authcat => $_ };
 350     }
 351     return \@auth_cats_loop;
 352 }
 353
 354 # -------------------------------------------------------------------
 355 sub GetAuthvalueDropbox {
 356     my ( $authcat, $default ) = @_;
 357     my $dbh = C4::Context->dbh;
 358     my $sth = $dbh->prepare(
 359         'SELECT authorised_value,lib FROM authorised_values
 360         WHERE category = ? ORDER BY lib'
 361     );
 362     $sth->execute( $authcat );
 363     my $option_list = [];
 364     my @authorised_values = ( q{} );
 365     while (my ($value, $lib) = $sth->fetchrow_array) {
 366         push @{$option_list}, {
 367             value => $value,
 368             label => $lib,
 369             default => ($default eq $value),
 370         };
 371     }
 372
 373     if ( @{$option_list} ) {
 374         return $option_list;
 375     }
 376     return;
 377 }
 378
 379 # -------------------------------------------------------------------
 380 sub GetBudgetPeriods {
 381         my ($filters,$orderby) = @_;
 382     return SearchInTable("aqbudgetperiods",$filters, $orderby, undef,undef, undef, "wide");
 383 }
 384 # -------------------------------------------------------------------
 385 sub GetBudgetPeriod {
 386         my ($budget_period_id) = @_;
 387         my $dbh = C4::Context->dbh;
 388         ## $total = number of records linked to the record that must be deleted
 389         my $total = 0;
 390         ## get information about the record that will be deleted
 391         my $sth;
 392         if ($budget_period_id) {
 393                 $sth = $dbh->prepare( qq|
 394               SELECT      *
 395                 FROM aqbudgetperiods
 396                 WHERE budget_period_id=? |
 397                 );
 398                 $sth->execute($budget_period_id);
 399         } else {         # ACTIVE BUDGET
 400                 $sth = $dbh->prepare(qq|
 401                           SELECT      *
 402                 FROM aqbudgetperiods
 403                 WHERE budget_period_active=1 |
 404                 );
 405                 $sth->execute();
 406         }
 407         my $data = $sth->fetchrow_hashref;
 408         return $data;
 409 }
 410
 411 # -------------------------------------------------------------------
 412 sub DelBudgetPeriod{
 413         my ($budget_period_id) = @_;
 414         my $dbh = C4::Context->dbh;
 415           ; ## $total = number of records linked to the record that must be deleted
 416     my $total = 0;
 417
 418         ## get information about the record that will be deleted
 419         my $sth = $dbh->prepare(qq|
 420                 DELETE
 421          FROM aqbudgetperiods
 422          WHERE budget_period_id=? |
 423         );
 424         return $sth->execute($budget_period_id);
 425 }
 426
 427 # -------------------------------------------------------------------
 428 sub ModBudgetPeriod {
 429         my ($budget_period_information) = @_;
 430         return UpdateInTable("aqbudgetperiods",$budget_period_information);
 431 }
 432
 433 # -------------------------------------------------------------------
 434 sub GetBudgetHierarchy {
 435     my ( $budget_period_id, $branchcode, $owner ) = @_;
 436     my @bind_params;
 437     my $dbh   = C4::Context->dbh;
 438     my $query = qq|
 439                     SELECT aqbudgets.*, aqbudgetperiods.budget_period_active
 440                     FROM aqbudgets
 441                     JOIN aqbudgetperiods USING (budget_period_id)|;
 442
 443         my @where_strings;
 444     # show only period X if requested
 445     if ($budget_period_id) {
 446         push @where_strings," aqbudgets.budget_period_id = ?";
 447         push @bind_params, $budget_period_id;
 448     }
 449         # show only budgets owned by me, my branch or everyone
 450     if ($owner) {
 451         if ($branchcode) {
 452             push @where_strings,
 453             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="")))};
 454             push @bind_params, ( $owner, $branchcode );
 455         } else {
 456             push @where_strings, ' (budget_owner_id = ? OR budget_owner_id IS NULL or budget_owner_id ="") ';
 457             push @bind_params, $owner;
 458         }
 459     } else {
 460         if ($branchcode) {
 461             push @where_strings," (budget_branchcode =? or budget_branchcode is NULL)";
 462             push @bind_params, $branchcode;
 463         }
 464     }
 465         $query.=" WHERE ".join(' AND ', @where_strings) if @where_strings;
 466         $debug && warn $query,join(",",@bind_params);
 467         my $sth = $dbh->prepare($query);
 468         $sth->execute(@bind_params);
 469         my $results = $sth->fetchall_arrayref({});
 470         my @res     = @$results;
 471         my $i = 0;
 472         while (1) {
 473                 my $depth_cnt = 0;
 474                 foreach my $r (@res) {
 475                         my @child;
 476                         # look for children
 477                         $r->{depth} = '0' if !defined $r->{budget_parent_id};
 478                         foreach my $r2 (@res) {
 479                                 if (defined $r2->{budget_parent_id}
 480                                         && $r2->{budget_parent_id} == $r->{budget_id}) {
 481                                         push @child, $r2->{budget_id};
 482                                         $r2->{depth} = ($r->{depth} + 1) if defined $r->{depth};
 483                                 }
 484                         }
 485                         $r->{child} = \@child if scalar @child > 0;    # add the child
 486                         $depth_cnt++ if !defined $r->{'depth'};
 487                 }
 488                 last if ($depth_cnt == 0 || $i == 100);
 489                 $i++;
 490         }
 491
 492         # look for top parents 1st
 493         my (@sort, $depth_count);
 494         ($i, $depth_count) = 0;
 495         while (1) {
 496                 my $children = 0;
 497                 foreach my $r (@res) {
 498                         if ($r->{depth} == $depth_count) {
 499                                 $children++ if (ref $r->{child} eq 'ARRAY');
 500
 501                                 # find the parent id element_id and insert it after
 502                                 my $i2 = 0;
 503                                 my $parent;
 504                                 if ($depth_count > 0) {
 505
 506                                         # add indent
 507                                         my $depth = $r->{depth} * 2;
 508                                         $r->{budget_code_indent} = $r->{budget_code};
 509                                         $r->{budget_name_indent} = $r->{budget_name};
 510                                         foreach my $r3 (@sort) {
 511                                                 if ($r3->{budget_id} == $r->{budget_parent_id}) {
 512                                                         $parent = $i2;
 513                                                         last;
 514                                                 }
 515                                                 $i2++;
 516                                         }
 517                                 } else {
 518                                         $r->{budget_code_indent} = $r->{budget_code};
 519                                         $r->{budget_name_indent} = $r->{budget_name};
 520                                 }
 521
 522                                 if (defined $parent) {
 523                                         splice @sort, ($parent + 1), 0, $r;
 524                                 } else {
 525                                         push @sort, $r;
 526                                 }
 527                         }
 528
 529                         $i++;
 530                 }    # --------------foreach
 531                 $depth_count++;
 532                 last if $children == 0;
 533         }
 534
 535 # add budget-percent and allocation, and flags for html-template
 536         foreach my $r (@sort) {
 537                 my $subs_href = $r->{'child'};
 538         my @subs_arr = ();
 539         if ( defined $subs_href ) {
 540             @subs_arr = @{$subs_href};
 541         }
 542
 543         my $moo = $r->{'budget_code_indent'};
 544         $moo =~ s/\ /\&nbsp\;/g;
 545         $r->{'budget_code_indent'} =  $moo;
 546
 547         $moo = $r->{'budget_name_indent'};
 548         $moo =~ s/\ /\&nbsp\;/g;
 549         $r->{'budget_name_indent'} = $moo;
 550
 551         $r->{'budget_spent'}       = GetBudgetSpent( $r->{'budget_id'} );
 552
 553         $r->{'budget_amount_total'} =  $r->{'budget_amount'};
 554
 555         # foreach sub-levels
 556         my $unalloc_count ;
 557
 558                 foreach my $sub (@subs_arr) {
 559                         my $sub_budget = GetBudget($sub);
 560
 561                         $r->{budget_spent_sublevel} +=    GetBudgetSpent( $sub_budget->{'budget_id'} );
 562                         $unalloc_count +=   $sub_budget->{'budget_amount'};
 563                 }
 564         }
 565         return \@sort;
 566 }
 567
 568 # -------------------------------------------------------------------
 569
 570 sub AddBudget {
 571     my ($budget) = @_;
 572         return InsertInTable("aqbudgets",$budget);
 573 }
 574
 575 # -------------------------------------------------------------------
 576 sub ModBudget {
 577     my ($budget) = @_;
 578         return UpdateInTable("aqbudgets",$budget);
 579 }
 580
 581 # -------------------------------------------------------------------
 582 sub DelBudget {
 583         my ($budget_id) = @_;
 584         my $dbh         = C4::Context->dbh;
 585         my $sth         = $dbh->prepare("delete from aqbudgets where budget_id=?");
 586         my $rc          = $sth->execute($budget_id);
 587         return $rc;
 588 }
 589
 590
 591 =head2 GetBudget
 592
 593   &GetBudget($budget_id);
 594
 595 get a specific budget
 596
 597 =cut
 598
 599 # -------------------------------------------------------------------
 600 sub GetBudget {
 601     my ( $budget_id ) = @_;
 602     my $dbh = C4::Context->dbh;
 603     my $query = "
 604         SELECT *
 605         FROM   aqbudgets
 606         WHERE  budget_id=?
 607         ";
 608     my $sth = $dbh->prepare($query);
 609     $sth->execute( $budget_id );
 610     my $result = $sth->fetchrow_hashref;
 611     return $result;
 612 }
 613
 614 =head2 GetChildBudgetsSpent
 615
 616   &GetChildBudgetsSpent($budget-id);
 617
 618 gets the total spent of the level and sublevels of $budget_id
 619
 620 =cut
 621
 622 # -------------------------------------------------------------------
 623 sub GetChildBudgetsSpent {
 624     my ( $budget_id ) = @_;
 625     my $dbh = C4::Context->dbh;
 626     my $query = "
 627         SELECT *
 628         FROM   aqbudgets
 629         WHERE  budget_parent_id=?
 630         ";
 631     my $sth = $dbh->prepare($query);
 632     $sth->execute( $budget_id );
 633     my $result = $sth->fetchall_arrayref({});
 634     my $total_spent = GetBudgetSpent($budget_id);
 635     if ($result){
 636         $total_spent += GetChildBudgetsSpent($_->{"budget_id"}) foreach @$result;
 637     }
 638     return $total_spent;
 639 }
 640
 641 =head2 GetBudgets
 642
 643   &GetBudgets($filter, $order_by);
 644
 645 gets all budgets
 646
 647 =cut
 648
 649 # -------------------------------------------------------------------
 650 sub GetBudgets {
 651     my ($filters,$orderby) = @_;
 652     return SearchInTable("aqbudgets",$filters, $orderby, undef,undef, undef, "wide");
 653 }
 654
 655 # -------------------------------------------------------------------
 656
 657 =head2 GetCurrencies
 658
 659   @currencies = &GetCurrencies;
 660
 661 Returns the list of all known currencies.
 662
 663 C<$currencies> is a array; its elements are references-to-hash, whose
 664 keys are the fields from the currency table in the Koha database.
 665
 666 =cut
 667
 668 sub GetCurrencies {
 669     my $dbh   = C4::Context->dbh;
 670     my $query = "
 671         SELECT *
 672         FROM   currency
 673     ";
 674     my $sth = $dbh->prepare($query);
 675     $sth->execute;
 676     my @results = ();
 677     while ( my $data = $sth->fetchrow_hashref ) {
 678         push( @results, $data );
 679     }
 680     return @results;
 681 }
 682
 683 # -------------------------------------------------------------------
 684
 685 sub GetCurrency {
 686     my $dbh   = C4::Context->dbh;
 687     my $query = "
 688         SELECT * FROM currency where active = '1'    ";
 689     my $sth = $dbh->prepare($query);
 690     $sth->execute;
 691     my $r = $sth->fetchrow_hashref;
 692     return $r;
 693 }
 694
 695 =head2 ModCurrencies
 696
 697 &ModCurrencies($currency, $newrate);
 698
 699 Sets the exchange rate for C<$currency> to be C<$newrate>.
 700
 701 =cut
 702
 703 sub ModCurrencies {
 704     my ( $currency, $rate ) = @_;
 705     my $dbh   = C4::Context->dbh;
 706     my $query = qq|
 707         UPDATE currency
 708         SET    rate=?
 709         WHERE  currency=? |;
 710     my $sth = $dbh->prepare($query);
 711     $sth->execute( $rate, $currency );
 712 }
 713
 714 # -------------------------------------------------------------------
 715
 716 =head2 ConvertCurrency
 717
 718   $foreignprice = &ConvertCurrency($currency, $localprice);
 719
 720 Converts the price C<$localprice> to foreign currency C<$currency> by
 721 dividing by the exchange rate, and returns the result.
 722
 723 If no exchange rate is found, e is one to one.
 724
 725 =cut
 726
 727 sub ConvertCurrency {
 728     my ( $currency, $price ) = @_;
 729     my $dbh   = C4::Context->dbh;
 730     my $query = "
 731         SELECT rate
 732         FROM   currency
 733         WHERE  currency=?
 734     ";
 735     my $sth = $dbh->prepare($query);
 736     $sth->execute($currency);
 737     my $cur = ( $sth->fetchrow_array() )[0];
 738     unless ($cur) {
 739         $cur = 1;
 740     }
 741     return ( $price / $cur );
 742 }
 743
 744 =head2 _columns
 745
 746 returns an array containing fieldname followed by PRI as value if PRIMARY Key
 747
 748 =cut
 749
 750 sub _columns(;$) {
 751         my $tablename=shift||"aqbudgets";
 752     return @{C4::Context->dbh->selectcol_arrayref("SHOW columns from $tablename",{Columns=>[1,4]})};
 753 }
 754
 755 sub _filter_fields{
 756         my $budget=shift;
 757         my $tablename=shift;
 758     my @keys;
 759         my @values;
 760         my %columns= _columns($tablename);
 761         #Filter Primary Keys of table
 762     my $elements=join "|",grep {$columns{$_} ne "PRI"} keys %columns;
 763         foreach my $field (grep {/\b($elements)\b/} keys %$budget){
 764                 $$budget{$field}=format_date_in_iso($$budget{$field}) if ($field=~/date/ && $$budget{$field} !~C4::Dates->regexp("iso"));
 765                 my $strkeys= " $field = ? ";
 766                 if ($field=~/branch/){
 767                         $strkeys="( $strkeys OR $field='' OR $field IS NULL) ";
 768                 }
 769                 push @values, $$budget{$field};
 770                 push @keys, $strkeys;
 771         }
 772         return (\@keys,\@values);
 773 }
 774
 775 END { }    # module clean-up code here (global destructor)
 776
 777 1;
 778 __END__
 779
 780 =head1 AUTHOR
 781
 782 Koha Development Team <http://koha-community.org/>
 783
 784 =cut