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package SL::Controller::BackgroundJob;

use strict;

use parent qw(SL::Controller::Base);

use SL::BackgroundJob::Base;
use SL::Controller::Helper::GetModels;
use SL::DB::BackgroundJob;
use SL::Helper::Flash;
use SL::Locale::String;
use SL::System::TaskServer;

use Rose::Object::MakeMethods::Generic
(
scalar => [ qw(background_job) ],
'scalar --get_set_init' => [ qw(task_server back_to models) ],
);

__PACKAGE__->run_before('check_auth');
__PACKAGE__->run_before('check_task_server');
__PACKAGE__->run_before('load_background_job', only => [ qw(edit update destroy execute show) ]);

#
# actions
#

sub action_list {
my ($self) = @_;

$self->render('background_job/list',
title => $::locale->text('Background jobs'),
BACKGROUND_JOBS => $self->models->get,
MODELS => $self->models);
}

sub action_new {
my ($self) = @_;

$self->background_job(SL::DB::BackgroundJob->new(cron_spec => '* * * * *', package_name => 'Test'));
$self->render('background_job/form',
title => $::locale->text('Create a new background job'),
JOB_CLASSES => [ SL::BackgroundJob::Base->get_known_job_classes ]);
}

sub action_edit {
my ($self) = @_;

$self->render('background_job/form',
title => $::locale->text('Edit background job'),
JOB_CLASSES => [ SL::BackgroundJob::Base->get_known_job_classes ]);
}

sub action_show {
my ($self) = @_;

if ($::request->type eq 'json') {
$self->render(\ SL::JSON::to_json($self->background_job->as_tree), { type => 'json' });
} else {
$self->action_edit;
}
}

sub action_create {
my ($self) = @_;

$self->background_job(SL::DB::BackgroundJob->new);
$self->create_or_update;
}

sub action_update {
my ($self) = @_;
$self->create_or_update;
}

sub action_destroy {
my ($self) = @_;

if (eval { $self->background_job->delete; 1; }) {
flash_later('info', $::locale->text('The background job has been deleted.'));
} else {
flash_later('error', $::locale->text('The background job could not be destroyed.'));
}

$self->redirect_to($self->back_to);
}

sub action_save_and_execute {
my ($self) = @_;

$self->background_job(SL::DB::BackgroundJob->new) if !$self->background_job;
return unless $self->create_or_update;
$self->action_execute;
}

sub action_execute {
my ($self) = @_;

my $history = $self->background_job->run;
if ($history->status eq 'success') {
flash_later('info', $::locale->text('The background job was executed successfully.'));
} else {
flash_later('error', $::locale->text('There was an error executing the background job.'));
}

$self->redirect_to(controller => 'BackgroundJobHistory',
action => 'show',
id => $history->id,
back_to => $self->url_for(action => 'edit', id => $self->background_job->id));
}

#
# filters
#

sub check_auth {
$::auth->assert('admin');
}

#
# helpers
#

sub create_or_update {
my $self = shift;
my $return = shift;
my $is_new = !$self->background_job->id;
my $params = delete($::form->{background_job}) || { };

$self->background_job->assign_attributes(%{ $params });

my @errors = $self->background_job->validate;

if (@errors) {
flash('error', @errors);
$self->render('background_job/form', title => $is_new ? $::locale->text('Create a new background job') : $::locale->text('Edit background job'));
return;
}

$self->background_job->update_next_run_at;
$self->background_job->save;

flash_later('info', $is_new ? $::locale->text('The background job has been created.') : $::locale->text('The background job has been saved.'));
return if $return;

$self->redirect_to($self->back_to);
}

sub load_background_job {
my ($self) = @_;
$self->background_job(SL::DB::BackgroundJob->new(id => $::form->{id})->load);
}

sub init_task_server {
return SL::System::TaskServer->new;
}

sub check_task_server {
my ($self) = @_;
flash('warning', $::locale->text('The task server does not appear to be running.')) if !$self->task_server->is_running;
}

sub init_back_to {
my ($self) = @_;
return $::form->{back_to} || $self->url_for(action => 'list');
}

sub init_models {
SL::Controller::Helper::GetModels->new(
controller => $_[0],
filtered => 0,
sorted => {
package_name => t8('Package name'),
type => t8('Execution type'),
active => t8('Active'),
cron_spec => t8('Execution schedule'),
last_run_at => t8('Last run at'),
next_run_at => t8('Next run at'),
},
query => [
package_name => [ SL::BackgroundJob::Base->get_known_job_classes ],
],
);
}

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