Koha/REST/V1/Patrons/Account.pm

   1 package Koha::REST::V1::Patrons::Account;
   2
   3 # This file is part of Koha.
   4 #
   5 # Koha is free software; you can redistribute it and/or modify it under the
   6 # terms of the GNU General Public License as published by the Free Software
   7 # Foundation; either version 3 of the License, or (at your option) any later
   8 # version.
   9 #
  10 # Koha is distributed in the hope that it will be useful, but WITHOUT ANY
  11 # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
  12 # A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License along
  15 # with Koha; if not, write to the Free Software Foundation, Inc.,
  16 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17
  18 use Modern::Perl;
  19
  20 use Mojo::Base 'Mojolicious::Controller';
  21
  22 use Koha::Patrons;
  23
  24 use Scalar::Util qw(blessed);
  25 use Try::Tiny;
  26
  27 =head1 NAME
  28
  29 Koha::REST::V1::Patrons::Account
  30
  31 =head1 API
  32
  33 =head2 Methods
  34
  35 =head3 get
  36
  37 Controller function that handles retrieving a patron's account balance
  38
  39 =cut
  40
  41 sub get {
  42     my $c = shift->openapi->valid_input or return;
  43
  44     my $patron_id = $c->validation->param('patron_id');
  45     my $patron    = Koha::Patrons->find($patron_id);
  46
  47     unless ($patron) {
  48         return $c->render( status => 404, openapi => { error => "Patron not found." } );
  49     }
  50
  51     my $account = $patron->account;
  52     my $balance;
  53
  54     $balance->{balance} = $account->balance;
  55
  56     # get outstanding debits and credits
  57     my $debits  = $account->outstanding_debits;
  58     my $credits = $account->outstanding_credits;
  59
  60     my @debit_lines = map { _to_api( $_->TO_JSON ) } @{ $debits->as_list };
  61     $balance->{outstanding_debits} = {
  62         total => $debits->total_outstanding,
  63         lines => \@debit_lines
  64     };
  65
  66     my @credit_lines = map { _to_api( $_->TO_JSON ) } @{ $credits->as_list };
  67     $balance->{outstanding_credits} = {
  68         total => $credits->total_outstanding,
  69         lines => \@credit_lines
  70     };
  71
  72     return $c->render( status => 200, openapi => $balance );
  73 }
  74
  75 =head3 add_credit
  76
  77 Controller function that handles adding a credit to a patron's account
  78
  79 =cut
  80
  81 sub add_credit {
  82     my $c = shift->openapi->valid_input or return;
  83
  84     my $patron_id = $c->validation->param('patron_id');
  85     my $patron    = Koha::Patrons->find($patron_id);
  86     my $user      = $c->stash('koha.user');
  87
  88
  89     unless ($patron) {
  90         return $c->render( status => 404, openapi => { error => "Patron not found." } );
  91     }
  92
  93     my $account = $patron->account;
  94     my $body    = $c->validation->param('body');
  95
  96     return try {
  97         my $credit_type = $body->{credit_type} || 'payment';    # default to 'payment'
  98         my $amount = $body->{amount};                           # mandatory, validated by openapi
  99
 100         unless ( $amount > 0 ) {  # until we support newer JSON::Validator and thus minimumExclusive
 101             Koha::Exceptions::BadParameter->throw( { parameter => 'amount' } );
 102         }
 103
 104         # read the rest of the params
 105         my $payment_type = $body->{payment_type};
 106         my $description  = $body->{description};
 107         my $note         = $body->{note};
 108         my $library_id   = $body->{library_id};
 109
 110         my $credit = $account->add_credit(
 111             {   amount       => $amount,
 112                 credit_type  => $credit_type,
 113                 payment_type => $payment_type,
 114                 description  => $description,
 115                 note         => $note,
 116                 user_id      => $user->id,
 117                 library_id   => $library_id
 118             }
 119         );
 120         $credit->discard_changes;
 121
 122         my $date = $body->{date};
 123         $credit->date( $date )->store
 124             if $date;
 125
 126         my $debits_ids = $body->{account_lines_ids};
 127         my $debits;
 128         $debits = Koha::Account::Lines->search({ accountlines_id => { -in => $debits_ids } })
 129             if $debits_ids;
 130
 131         my $outstanding_credit = $credit->amountoutstanding;
 132         if ($debits) {
 133             # pay them!
 134             $outstanding_credit = $credit->apply({ debits => $debits, offset_type => 'payment' });
 135         }
 136
 137         if ($outstanding_credit) {
 138             my $outstanding_debits = $account->outstanding_debits;
 139             $credit->apply({ debits => $outstanding_debits, offset_type => 'payment' });
 140         }
 141
 142         return $c->render( status => 200, openapi => { account_line_id => $credit->id } );
 143     }
 144     catch {
 145         if ( blessed $_ && $_->can('rethrow') ) {
 146             return $c->render(
 147                 status  => 400,
 148                 openapi => { error => "$_" }
 149             );
 150         }
 151         else {
 152             # Exception, rely on the stringified exception
 153             return $c->render(
 154                 status  => 500,
 155                 openapi => { error => "Something went wrong, check the logs" }
 156             );
 157         }
 158     };
 159 }
 160
 161
 162 =head3 _to_api
 163
 164 Helper function that maps unblessed Koha::Account::Line objects
 165 into REST API attribute names.
 166
 167 =cut
 168
 169 sub _to_api {
 170     my $account_line = shift;
 171
 172     # Rename attributes
 173     foreach my $column ( keys %{ $Koha::REST::V1::Patrons::Account::to_api_mapping } ) {
 174         my $mapped_column = $Koha::REST::V1::Patrons::Account::to_api_mapping->{$column};
 175         if (    exists $account_line->{ $column }
 176              && defined $mapped_column )
 177         {
 178             # key != undef
 179             $account_line->{ $mapped_column } = delete $account_line->{ $column };
 180         }
 181         elsif (    exists $account_line->{ $column }
 182                 && !defined $mapped_column )
 183         {
 184             # key == undef
 185             delete $account_line->{ $column };
 186         }
 187     }
 188
 189     return $account_line;
 190 }
 191
 192 =head3 _to_model
 193
 194 Helper function that maps REST API objects into Koha::Account::Line
 195 attribute names.
 196
 197 =cut
 198
 199 sub _to_model {
 200     my $account_line = shift;
 201
 202     foreach my $attribute ( keys %{ $Koha::REST::V1::Patrons::Account::to_model_mapping } ) {
 203         my $mapped_attribute = $Koha::REST::V1::Patrons::Account::to_model_mapping->{$attribute};
 204         if (    exists $account_line->{ $attribute }
 205              && defined $mapped_attribute )
 206         {
 207             # key => !undef
 208             $account_line->{ $mapped_attribute } = delete $account_line->{ $attribute };
 209         }
 210         elsif (    exists $account_line->{ $attribute }
 211                 && !defined $mapped_attribute )
 212         {
 213             # key => undef / to be deleted
 214             delete $account_line->{ $attribute };
 215         }
 216     }
 217
 218     return $account_line;
 219 }
 220
 221 =head2 Global variables
 222
 223 =head3 $to_api_mapping
 224
 225 =cut
 226
 227 our $to_api_mapping = {
 228     accountlines_id   => 'account_line_id',
 229     accounttype       => 'account_type',
 230     amountoutstanding => 'amount_outstanding',
 231     borrowernumber    => 'patron_id',
 232     branchcode        => 'library_id',
 233     issue_id          => 'checkout_id',
 234     itemnumber        => 'item_id',
 235     manager_id        => 'user_id',
 236     note              => 'internal_note',
 237 };
 238
 239 =head3 $to_model_mapping
 240
 241 =cut
 242
 243 our $to_model_mapping = {
 244     account_line_id    => 'accountlines_id',
 245     account_type       => 'accounttype',
 246     amount_outstanding => 'amountoutstanding',
 247     checkout_id        => 'issue_id',
 248     internal_note      => 'note',
 249     item_id            => 'itemnumber',
 250     library_id         => 'branchcode',
 251     patron_id          => 'borrowernumber',
 252     user_id            => 'manager_id'
 253 };
 254
 255 1;