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package FS::svc_Radius_Mixin;
use base qw( FS::m2m_Common FS::svc_Common );

use strict;
use FS::Record qw( qsearch dbh );
use FS::radius_group;
use FS::radius_usergroup;
use Carp qw( confess );

# not really a mixin since it overrides insert/replace/delete and has svc_Common
#  as a base class, should probably be renamed svc_Radius_Common

=head1 NAME

FS::svc_Radius_Mixin - partial base class for services with RADIUS groups

=head1 METHODS

=over 4

=cut

sub insert {
  my $self = shift;

  local $SIG{HUP} = 'IGNORE';
  local $SIG{INT} = 'IGNORE';
  local $SIG{QUIT} = 'IGNORE';
  local $SIG{TERM} = 'IGNORE';
  local $SIG{TSTP} = 'IGNORE';
  local $SIG{PIPE} = 'IGNORE';

  my $oldAutoCommit = $FS::UID::AutoCommit;
  local $FS::UID::AutoCommit = 0;
  my $dbh = dbh;

  my $error =  $self->SUPER::insert(@_)
            || $self->process_m2m(
                                   'link_table'   => 'radius_usergroup',
                                   'target_table' => 'radius_group',
                                   'params'       => $self->usergroup,
                                 );

  if ( $error ) {
    $dbh->rollback if $oldAutoCommit;
    return $error;
  }

  $dbh->commit or die $dbh->errstr if $oldAutoCommit;
  '';
}

sub replace  {
  my $new = shift;
  my $old = shift;
  $old = $new->replace_old if !defined($old);

  local $SIG{HUP} = 'IGNORE';
  local $SIG{INT} = 'IGNORE';
  local $SIG{QUIT} = 'IGNORE';
  local $SIG{TERM} = 'IGNORE';
  local $SIG{TSTP} = 'IGNORE';
  local $SIG{PIPE} = 'IGNORE';

  my $oldAutoCommit = $FS::UID::AutoCommit;
  local $FS::UID::AutoCommit = 0;
  my $dbh = dbh;

  $old->usergroup; # make sure this is cached for exports

  my $error =  $new->process_m2m(
                                 'link_table'   => 'radius_usergroup',
                                 'target_table' => 'radius_group',
                                 'params'       => $new->usergroup,
                               )
            || $new->SUPER::replace($old, @_);

  if ( $error ) {
    $dbh->rollback if $oldAutoCommit;
    return $error;
  }

  $dbh->commit or die $dbh->errstr if $oldAutoCommit;
  '';
}

sub delete {
  my $self = shift;

  local $SIG{HUP} = 'IGNORE';
  local $SIG{INT} = 'IGNORE';
  local $SIG{QUIT} = 'IGNORE';
  local $SIG{TERM} = 'IGNORE';
  local $SIG{TSTP} = 'IGNORE';
  local $SIG{PIPE} = 'IGNORE';

  my $oldAutoCommit = $FS::UID::AutoCommit;
  local $FS::UID::AutoCommit = 0;
  my $dbh = dbh;

  my $error =  $self->SUPER::delete(@_)
            || $self->process_m2m(
                                   'link_table'   => 'radius_usergroup',
                                   'target_table' => 'radius_group',
                                   'params'       => [],
                                 );

  if ( $error ) {
    $dbh->rollback if $oldAutoCommit;
    return $error;
  }

  $dbh->commit or die $dbh->errstr if $oldAutoCommit;
  '';
}

sub usergroup {
  my $self = shift;
  my $value = shift;
  if ( defined $value ) {
    if ( ref $value ) {
      return $self->set('usergroup', $value);
    }
    else {
      return $self->set('usergroup', [ split(/\s*,\s*/, $value) ]);
    }
  }
  $self->get('usergroup') || 
    # if no argument is passed and usergroup is not set already, 
    # fetch this service's group assignments
  $self->set('usergroup', 
    [ map { $_->groupnum } 
        qsearch('radius_usergroup', { svcnum => $self->svcnum }) ]
  );
}

sub _fieldhandlers {
  { 
    'usergroup' => \&usergroup
  }
}

=item radius_groups METHOD

Returns a list of RADIUS groups for this service (see L<FS::radius_usergroup>).
METHOD is the field to return, and can be any method on L<FS::radius_group>.
Useful values for METHOD include 'groupnum', 'groupname', and 
'long_description'.  Defaults to 'groupname' for historical reasons.

=cut

sub radius_groups {
  my $self = shift;
  my $method = shift || 'groupname';
  my $groups = join(',', @{$self->usergroup}) || return ();
  my @groups = qsearch({'table' => 'radius_group',
                        'extra_sql' => "where groupnum in ($groups)"});
  return map {$_->$method} @groups;
}

=back

=cut

1;