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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
#
# This Source Code Form is "Incompatible With Secondary Licenses", as
# defined by the Mozilla Public License, v. 2.0.

package Bugzilla::Extension::Push::Connector::Base;

use 5.10.1;
use strict;
use warnings;

use Bugzilla;
use Bugzilla::Extension::Push::Config;
use Bugzilla::Extension::Push::BacklogMessage;
use Bugzilla::Extension::Push::BacklogQueue;
use Bugzilla::Extension::Push::Backoff;

sub new {
  my ($class) = @_;
  my $self = {};
  bless($self, $class);
  ($self->{name}) = $class =~ /^.+:(.+)$/;
  $self->init();
  return $self;
}

sub name {
  my $self = shift;
  return $self->{name};
}

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

  # abstract
  # perform any initialisation here
  # will be run when created by the web pages or by the daemon
  # and also when the configuration needs to be reloaded
}

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

  # abstract
  # run from the daemon only; disconnect from remote hosts, etc
}

sub should_send {
  my ($self, $message) = @_;

  # abstract
  # return boolean indicating if the connector will be sending the message.
  # this will be called each message, and should be a very quick simple test.
  # the connector can perform a more exhaustive test in the send() method.
  return 0;
}

sub send {
  my ($self, $message) = @_;

  # abstract
  # deliver the message, daemon only
}

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

  # abstract
  # return an array of configuration variables
  return ();
}

sub options_validate {
  my ($class, $config) = @_;

  # abstract, static
  # die if a combination of options in $config is invalid
}

#
#
#

sub config {
  my ($self) = @_;
  if (!$self->{config}) {
    $self->load_config();
  }
  return $self->{config};
}

sub load_config {
  my ($self) = @_;
  my $config
    = Bugzilla::Extension::Push::Config->new($self->name, $self->options);
  $config->load();
  $self->{config} = $config;
}

sub enabled {
  my ($self) = @_;
  return $self->config->{enabled} eq 'Enabled';
}

sub backlog {
  my ($self) = @_;
  $self->{backlog} ||= Bugzilla::Extension::Push::BacklogQueue->new($self->name);
  return $self->{backlog};
}

1;