Koha-clms/Koha/REST/V1/Checkouts.pm

475 lines
14 KiB
Perl

package Koha::REST::V1::Checkouts;
# This file is part of Koha.
#
# Koha is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# Koha is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Koha; if not, see <https://www.gnu.org/licenses>.
use Modern::Perl;
use Mojo::Base 'Mojolicious::Controller';
use Mojo::JSON;
use C4::Auth qw( haspermission );
use C4::Context;
use C4::Circulation qw( AddIssue AddRenewal CanBookBeRenewed );
use Koha::Checkouts;
use Koha::Old::Checkouts;
use Koha::Token;
use Scalar::Util qw( blessed );
use Try::Tiny qw( catch try );
=head1 NAME
Koha::REST::V1::Checkout
=head1 API
=head2 Methods
=head3 list
List Koha::Checkout objects
=cut
sub list {
my $c = shift->openapi->valid_input or return;
my $checked_in = $c->param('checked_in');
$c->req->params->remove('checked_in');
try {
my $checkouts_set;
if ($checked_in) {
$checkouts_set = Koha::Old::Checkouts->new;
} else {
$checkouts_set = Koha::Checkouts->new;
}
my $checkouts = $c->objects->search($checkouts_set);
return $c->render(
status => 200,
openapi => $checkouts
);
} catch {
$c->unhandled_exception($_);
};
}
=head3 get
get one checkout
=cut
sub get {
my $c = shift->openapi->valid_input or return;
my $checkout_id = $c->param('checkout_id');
my $checkout = Koha::Checkouts->find($checkout_id);
$checkout = Koha::Old::Checkouts->find($checkout_id)
unless $checkout;
return $c->render_resource_not_found("Checkout")
unless $checkout;
return try {
return $c->render(
status => 200,
openapi => $c->objects->to_api($checkout),
);
} catch {
$c->unhandled_exception($_);
};
}
=head3 _check_availability
Internal function to call CanBookBeIssued and return an appropriately filtered
set return
=cut
sub _check_availability {
my ( $c, $patron, $item ) = @_;
my $inprocess = 0; # What does this do?
my $ignore_reserves = 0; # Don't ignore reserves
my $params = { item => $item };
my ( $impossible, $confirmation, $alerts, $messages ) = C4::Circulation::CanBookBeIssued(
$patron, undef, undef, $inprocess,
$ignore_reserves, $params
);
if ( $c->stash('is_public') ) {
# Upgrade some confirmations to blockers
my @should_block = qw/TOO_MANY ISSUED_TO_ANOTHER AGE_RESTRICTION/;
# Hold-related confirmations are gated by AllowItemsOnHoldCheckoutSCO:
# 0 = block pending and waiting holds (default)
# 1 = allow pending holds, block waiting/transit/processing holds
# 2 = allow pending and waiting/transit/processing holds
my $hold_pref = C4::Context->preference('AllowItemsOnHoldCheckoutSCO') || 0;
push @should_block, 'RESERVED' if $hold_pref < 1;
push @should_block, qw/RESERVE_WAITING TRANSFERRED PROCESSING/ if $hold_pref < 2;
for my $block (@should_block) {
if ( exists( $confirmation->{$block} ) ) {
$impossible->{$block} = $confirmation->{$block};
delete $confirmation->{$block};
}
}
# Drop the remaining hold confirmations so the caller does not have
# to resolve a confirmation token for a policy we've already permitted
for my $allowed (qw/RESERVED RESERVE_WAITING TRANSFERRED PROCESSING/) {
delete $confirmation->{$allowed};
}
# Remove any non-public info that's returned by CanBookBeIssued
my @restricted_keys =
qw/issued_borrowernumber issued_cardnumber issued_firstname issued_surname resborrowernumber resbranchcode rescardnumber reserve_id resfirstname resreservedate reswaitingdate ressurname item_notforloan/;
for my $key (@restricted_keys) {
delete $confirmation->{$key};
delete $impossible->{$key};
delete $alerts->{$key};
delete $messages->{$key};
}
}
return ( $impossible, $confirmation, { %{$alerts}, %{$messages} } );
}
=head3 get_availability
Controller function that handles retrieval of Checkout availability
=cut
sub get_availability {
my $c = shift->openapi->valid_input or return;
my $user = $c->stash('koha.user');
my $patron_id = $c->param('patron_id');
return if try {
$c->auth->public($patron_id) if $c->stash('is_public');
return 0; # authorization successful, do not "return" after try-catch
} catch {
return $c->unhandled_exception($_);
};
my $patron = Koha::Patrons->find($patron_id);
my $item = Koha::Items->find( $c->param('item_id') );
my ( $impossible, $confirmation, $warnings ) = $c->_check_availability( $patron, $item );
my @confirm_keys = sort keys %{$confirmation};
unshift @confirm_keys, $item->id;
unshift @confirm_keys, $user->id
if $user;
my $token = Koha::Token->new->generate_jwt( { id => join( ':', @confirm_keys ) } );
my $response = {
blockers => $impossible,
confirms => $confirmation,
warnings => $warnings,
confirmation_token => $token
};
return $c->render( status => 200, openapi => $response );
}
=head3 add
Add a new checkout
=cut
sub add {
my $c = shift->openapi->valid_input or return;
my $user = $c->stash('koha.user');
my $body = $c->req->json;
my $item_id = $body->{item_id};
my $patron_id = $body->{patron_id};
my $onsite = $body->{onsite_checkout};
my $barcode = $body->{external_id};
return try {
unless ( $item_id or $barcode ) {
return $c->render(
status => 400,
openapi => {
error => 'Missing or wrong parameters',
error_code => 'MISSING_OR_WRONG_PARAMETERS',
}
);
}
if ( $c->stash('is_public') ) {
$c->auth->public($patron_id);
return $c->render(
status => 405,
openapi => {
error => 'Feature disabled',
error_code => 'FEATURE_DISABLED'
}
) if !C4::Context->preference('OpacTrustedCheckout');
}
my $item;
if ($item_id) {
$item = Koha::Items->find($item_id);
} else {
$item = Koha::Items->find( { barcode => $barcode } );
}
unless ($item) {
return $c->render(
status => 409,
openapi => {
error => 'Item not found',
error_code => 'ITEM_NOT_FOUND',
}
);
}
# check that item matches when barcode and item_id were given
if ( $item_id
and $barcode
and ( $item->barcode ne $barcode or $item->id != $item_id ) )
{
return $c->render(
status => 409,
openapi => {
error => 'Item id and external id belong to different items',
error_code => 'ITEM_ID_NOT_MATCHING_EXTERNAL_ID',
}
);
}
my $patron = Koha::Patrons->find($patron_id);
unless ($patron) {
return $c->render(
status => 409,
openapi => {
error => 'Patron not found',
error_code => 'PATRON_NOT_FOUND',
}
);
}
my ( $impossible, $confirmation, $warnings ) = $c->_check_availability( $patron, $item );
# * Fail for blockers - render 403
if ( keys %{$impossible} ) {
my @errors = keys %{$impossible};
return $c->render(
status => 403,
openapi => { error => "Checkout not authorized (@errors)" }
);
}
# * If confirmation required, check variable set above
# and render 412 if variable is false
if ( keys %{$confirmation} ) {
my $confirmed = 0;
# Check for existence of confirmation token
# and if exists check validity
if ( my $token = $c->param('confirmation') ) {
my $confirm_keys = join( ":", sort keys %{$confirmation} );
$confirm_keys = $user->id . ":" . $item->id . ":" . $confirm_keys;
$confirmed = Koha::Token->new->check_jwt( { id => $confirm_keys, token => $token } );
}
unless ($confirmed) {
return $c->render(
status => 412,
openapi => { error => "Confirmation error" }
);
}
}
# Call 'AddIssue'
my $checkout = AddIssue(
$patron,
$item->barcode,
undef, undef, undef, undef,
{
confirmations => [ grep { /^[A-Z_]+$/ } keys %{$confirmation} ],
forced => [ keys %{$impossible} ]
}
);
if ($checkout) {
$c->res->headers->location( $c->req->url->to_string . '/' . $checkout->id );
return $c->render(
status => 201,
openapi => $c->objects->to_api($checkout),
);
} else {
return $c->render(
status => 500,
openapi => { error => 'Unknown error during checkout' }
);
}
} catch {
$c->unhandled_exception($_);
};
}
=head3 get_renewals
List Koha::Checkout::Renewals
=cut
sub get_renewals {
my $c = shift->openapi->valid_input or return;
try {
my $checkout_id = $c->param('checkout_id');
my $checkout = Koha::Checkouts->find($checkout_id);
$checkout = Koha::Old::Checkouts->find($checkout_id)
unless $checkout;
return $c->render_resource_not_found("Checkout")
unless $checkout;
my $renewals_rs = $checkout->renewals;
my $renewals = $c->objects->search($renewals_rs);
return $c->render(
status => 200,
openapi => $renewals
);
} catch {
$c->unhandled_exception($_);
};
}
=head3 renew
Renew a checkout
=cut
sub renew {
my $c = shift->openapi->valid_input or return;
my $checkout_id = $c->param('checkout_id');
my $seen = $c->param('seen') || 1;
my $checkout = Koha::Checkouts->find($checkout_id);
return $c->render_resource_not_found("Checkout")
unless $checkout;
return try {
my ( $can_renew, $error ) = CanBookBeRenewed( $checkout->patron, $checkout );
# Check if error is due to excessive fines and override is requested
if ( !$can_renew && ( $error eq 'too_much_owing' or $error eq 'auto_too_much_owing' ) ) {
my $overrides = $c->stash('koha.overrides');
if ( $overrides->{debt_limit} && C4::Context->preference("AllowFineOverrideRenewing") ) {
# Override is allowed, proceed with renewal
$can_renew = 1;
$error = undef;
}
}
if ( !$can_renew ) {
return $c->render(
status => 403,
openapi => { error => "Renewal not authorized ($error)" }
);
}
AddRenewal(
{
borrowernumber => $checkout->borrowernumber,
itemnumber => $checkout->itemnumber,
branch => $checkout->branchcode,
seen => $seen
}
);
$checkout = Koha::Checkouts->find($checkout_id);
$c->res->headers->location( $c->req->url->to_string );
return $c->render(
status => 201,
openapi => $c->objects->to_api($checkout),
);
} catch {
$c->unhandled_exception($_);
};
}
=head3 allows_renewal
Checks if the checkout could be renewed and return the related information.
=cut
sub allows_renewal {
my $c = shift->openapi->valid_input or return;
my $checkout_id = $c->param('checkout_id');
my $checkout = Koha::Checkouts->find($checkout_id);
return $c->render_resource_not_found("Checkout")
unless $checkout;
return try {
my ( $can_renew, $error ) = CanBookBeRenewed( $checkout->patron, $checkout );
my $renewable = Mojo::JSON->false;
$renewable = Mojo::JSON->true if $can_renew;
my $rule = Koha::CirculationRules->get_effective_rule(
{
categorycode => $checkout->patron->categorycode,
itemtype => $checkout->item->effective_itemtype,
branchcode => $checkout->branchcode,
rule_name => 'renewalsallowed',
}
);
return $c->render(
status => 200,
openapi => {
allows_renewal => $renewable,
max_renewals => $rule->rule_value,
current_renewals => $checkout->renewals_count,
unseen_renewals => $checkout->unseen_renewals,
error => $error
}
);
} catch {
$c->unhandled_exception($_);
};
}
1;