# --
# Kernel/Scheduler/TaskHandler/GenericInterface.pm - Scheduler task handler Generic Interface backend
# Copyright (C) 2001-2014 OTRS AG, http://otrs.com/
# --
# This software comes with ABSOLUTELY NO WARRANTY. For details, see
# the enclosed file COPYING for license information (AGPL). If you
# did not receive this file, see http://www.gnu.org/licenses/agpl.txt.
# --

package Kernel::Scheduler::TaskHandler::GenericInterface;

use strict;
use warnings;

use Kernel::System::VariableCheck qw(IsHashRefWithData IsStringWithData);
use Kernel::GenericInterface::Requester;

=head1 NAME

Kernel::Scheduler::TaskHandler::GenericInterface - GenericInterface backend of the TaskHandler for the Scheduler

=head1 PUBLIC INTERFACE

=over 4

=cut

=item new()

usually, you want to create an instance of this
by using Kernel::Scheduler::TaskHandler->new();

=cut

sub new {
    my ( $Type, %Param ) = @_;

    my $Self = {};
    bless( $Self, $Type );

    # check needed objects
    for my $Needed (qw(MainObject ConfigObject LogObject EncodeObject TimeObject DBObject)) {
        $Self->{$Needed} = $Param{$Needed} || die "Got no $Needed!";
    }

    # create aditional objects
    $Self->{RequesterObject} = Kernel::GenericInterface::Requester->new( %{$Self} );

    return $Self;
}

=item Run()

performs the selected Task, causing an Invoker call via GenericInterface.

    my $Result = $TaskHandlerObject->Run(
        Data     => {
            WebserviceID => $WebserviceID,
            Invoker      => 'configured_invoker',
            Data         => {                       # data payload for the Invoker
                ...
            },
        },
    );

Returns:

    $Result = {
        Success    => 1,                       # 0 or 1
        ReSchedule => 0,                       #
    };

=cut

sub Run {
    my ( $Self, %Param ) = @_;

    # check data - we need a hash ref
    if ( $Param{Data} && ref $Param{Data} ne 'HASH' ) {
        $Self->{LogObject}->Log(
            Priority => 'error',
            Message  => 'Got no valid Data!',
        );
        return {
            Success    => 0,
            ReSchedule => 0,
        };
    }

    # to store task data locally
    my %TaskData = %{ $Param{Data} };

    # check needed parameters inside task data
    for my $Needed (qw(WebserviceID Invoker Data)) {
        if ( !$TaskData{$Needed} ) {
            $Self->{LogObject}->Log(
                Priority => 'error',
                Message  => "Got no $Needed!",
            );
            return {
                Success    => 0,
                ReSchedule => 0,
            };
        }
    }

    # run requester
    my $Result = $Self->{RequesterObject}->Run(
        WebserviceID => $TaskData{WebserviceID},
        Invoker      => $TaskData{Invoker},
        Data         => $TaskData{Data},
    );

    if ( !$Result->{Success} ) {

        # log and fail exit
        $Self->{LogObject}->Log(
            Priority => 'error',
            Message  => 'GenericInterface task execution failed!',
        );
        return {
            Success    => 0,
            ReSchedule => 0,
        };
    }

    # log and exit successfully
    $Self->{LogObject}->Log(
        Priority => 'notice',
        Message  => 'GenericInterface task executed correctly!',
    );

    return {
        Success    => 1,
        ReSchedule => 0,
    };
}

1;

=back

=head1 TERMS AND CONDITIONS

This software is part of the OTRS project (L<http://otrs.org/>).

This software comes with ABSOLUTELY NO WARRANTY. For details, see
the enclosed file COPYING for license information (AGPL). If you
did not receive this file, see L<http://www.gnu.org/licenses/agpl.txt>.

=cut
