# Selima Website Content Management System
# ScptPriv.pm: The script privilege form checker.

#  Copyright (c) 2004-2018 imacat.
#
#  Licensed under the Apache License, Version 2.0 (the "License");
#  you may not use this file except in compliance with the License.
#  You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
#  Unless required by applicable law or agreed to in writing, software
#  distributed under the License is distributed on an "AS IS" BASIS,
#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#  See the License for the specific language governing permissions and
#  limitations under the License.

# Author: imacat <imacat@mail.imacat.idv.tw>
# First written: 2004-10-14

package Selima::Checker::ScptPriv;
use 5.008;
use strict;
use warnings;
use base qw(Selima::Checker);

use Selima::DataVars qw($DBH);
use Selima::ShortCut;

# new: Initialize the checker
sub new : method {
    local ($_, %_);
    my $class;
    ($class, @_) = @_;
    $_[1] = "scptpriv" if scalar(@_) < 2 || !defined $_[1];
    return $class->SUPER::new(@_);
}

# check: Run a list of checks
sub check : method {
    local ($_, %_);
    my ($self, $error, @cols);
    ($self, @cols) = @_;
    # Run the parent method first
    $error = $self->SUPER::check(@cols);
    return $error if defined $error;
    # See if we need to check the duplicates.  Check it in the end.
    %_ = map { $_ => 1 } @cols;
    if (exists $_{"grp"} && exists $_{"member"}) {
        $error = $self->__check_dup();
        return $error if defined $error;
    }
    return;
}

# _check_script: Check the script
# Use the default script checker

# _check_grp: Check the group
# Use the default group checker

# __check_dup: Check if this item is duplicated
sub __check_dup : method {
    local ($_, %_);
    my ($self, $form, $error, $sth, $sql);
    $self = $_[0];
    $form = $self->{"form"};
    @_ = qw();
    push @_, "script=" . $form->param("script");
    push @_, "grp=" . $form->param("grp");
    push @_, "sn!=" . $self->{"sn"}
        if $self->{"iscur"};
    $sql = "SELECT * FROM " . $DBH->quote_identifier($self->{"table"})
        . " WHERE " . join(" AND ", @_) . ";\n";
    $sth = $DBH->prepare($sql);
    $sth->execute;
    return {"msg"=>N_("This script privilege record already exists.  You cannot create a duplicated one.")}
        if $sth->rows > 0;
    return;
}

return 1;