#! /usr/bin/perl -w
# Emily Wu's Website
# rebuild.cgi: The web page rebuilder.

#  Copyright (c) 2006-2021 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: 2006-04-04

use 5.008;
use strict;
use warnings;
use lib $ENV{"DOCUMENT_ROOT"} . qw(/magicat/lib/perl5);
use Selima::emily;
local $SIG{"__DIE__"} = \&http_500;
my $d = new Selima::Destroy;
# Prototype declaration
sub main();
sub check_get();
sub check_post();
sub html_page($);

initenv(-restricted => 1,
        -lastmod    => 1,
        -page_param => {"keywords"              => N_("rebuild pages")});

main;
exit 0;

sub main() {
    local ($_, %_);
    my ($error, $success, $processor);
    
    # If the request is a GET query
    if ($ENV{"REQUEST_METHOD"} ne "POST") {
        $error = check_get;
        # If an error occurs
        if (defined $error) {
            html_page $error;
        
        # Display the page
        } else {
            html_page retrieve_status;
        }
    
    # If a form was POSTed from the client
    } else {
        $error = check_post;
        # If an error occurs
        if (defined $error) {
            error_redirect $error;
        
        # Else, save the data
        } else {
            $processor = new Selima::Processor::Rebuild($POST);
            $success = $processor->process;
            success_redirect $success;
        }
    }
    return;
}

# check_get: Check the GET arguments
sub check_get() {
    # Nothing to check here
    # OK
    return;
}

# check_post: Check the POSTed form
sub check_post() {
    local ($_, %_);
    my ($checker, $error);
    # Run the checker
    $checker = new Selima::Checker::Rebuild(curform);
    $error = $checker->check(qw(type));
    return $error if defined $error;
    # OK
    return;
}

# html_page: Display the page
sub html_page($) {
    local ($_, %_);
    my ($status, $FORM);
    $status = $_[0];
    $FORM = new Selima::Form::Rebuild($status);
    html_header $FORM->{"title"};
    html_errmsg $status;
    $FORM->html;
    html_footer;
    return;
}