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297
htdocs/wov/magicat/cgi-bin/linkcat.cgi
Executable file
297
htdocs/wov/magicat/cgi-bin/linkcat.cgi
Executable file
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#! /usr/bin/perl -w
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# Woman's Voice
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# linkcat.cgi: The related-link category administration.
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# Copyright (c) 2004-2021 imacat.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Author: imacat <imacat@mail.imacat.idv.tw>
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# First written: 2004-11-02
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use 5.008;
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use utf8;
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use strict;
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use warnings;
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use lib $ENV{"DOCUMENT_ROOT"} . qw(/magicat/lib/perl5);
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use Selima::wov;
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local $SIG{"__DIE__"} = \&http_500;
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my $d = new Selima::Destroy;
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# Prototype declaration
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sub main();
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sub check_get();
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sub check_post();
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sub html_page($);
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sub fetch_curitem();
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sub import_selparent($);
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initenv(-restricted => 1,
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-this_table => "linkcat",
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-dbi_lock => {"linkcat" => LOCK_EX,
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"links" => LOCK_SH,
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"linkcatz" => LOCK_SH},
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-lastmod => 0,
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-page_param => {"keywords" => N_("link categories")});
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main;
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exit 0;
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sub main() {
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local ($_, %_);
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my ($error, $success, $processor);
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# If the request is a GET query
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if ($ENV{"REQUEST_METHOD"} ne "POST") {
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$error = check_get;
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# If an error occurs
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if (defined $error) {
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html_page $error;
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# Display the page
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} else {
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html_page retrieve_status;
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}
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# If a form was POSTed from the client
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} else {
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$error = check_post;
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# If an error occurs
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if (defined $error) {
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error_redirect $error;
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# Else, save the data
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} else {
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$processor = new Selima::wov::Processor::LinkCat($POST);
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$success = $processor->process;
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success_redirect $success;
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}
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}
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return;
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}
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# check_get: Check the GET arguments
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sub check_get() {
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local ($_, %_);
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my $error;
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# A form is requested
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if (is_form) {
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$_ = form_type;
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# A form to create a new item
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if ($_ eq "new") {
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# Nothing to check on a new form
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# A form to edit a current item
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} elsif ($_ eq "cur") {
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# Check at fetch_curitem()
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$error = fetch_curitem;
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return $error if defined $error;
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# A form to delete a current item
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} elsif ($_ eq "del") {
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# Check at fetch_curitem()
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$error = fetch_curitem;
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return $error if defined $error;
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return {"msg"=>N_("This category has [numerate,_1,a subcategory,subcategories]. It cannot be deleted. To delete the category, [numerate,_1,its subcategory,all of its subcategories] must first be deleted."),
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"margs"=>[$CURRENT{"scatcount"}],
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"isform"=>0}
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if $CURRENT{"scatcount"} > 0;
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return {"msg"=>N_("This category has [numerate,_1,a link,links]. It cannot be deleted. To delete the category, [numerate,_1,its link,all of its links] must first be deleted."),
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"margs"=>[$CURRENT{"linkcount"}],
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"isform"=>0}
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if $CURRENT{"linkcount"} > 0;
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# Not a valid form
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} else {
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return {"msg"=>N_("Incorrect form: [_1]."),
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"margs"=>[$_],
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"isform"=>0};
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}
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}
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# List handler handles its own error
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# OK
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return;
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}
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# check_post: Check the POSTed form
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sub check_post() {
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local ($_, %_);
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my ($checker, $error);
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$_ = form_type;
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# A form to create a new item
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if ($_ eq "new") {
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# Run the checker
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$checker = new Selima::Checker::LinkCat(curform);
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$checker->redir(qw(selparent delparent));
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$error = $checker->check(qw(parent id ord title title_en kw));
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return $error if defined $error;
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# A form to edit a current item
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} elsif ($_ eq "cur") {
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# Check at fetch_curitem()
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$error = fetch_curitem;
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return $error if defined $error;
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# Run the checker
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$checker = new Selima::Checker::LinkCat(curform);
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$checker->redir(qw(del selparent delparent));
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$error = $checker->check(qw(parent id ord title title_en kw));
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return $error if defined $error;
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# A form to delete a current item
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} elsif ($_ eq "del") {
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# Check at fetch_curitem()
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$error = fetch_curitem;
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return $error if defined $error;
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# Run the checker
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$checker = new Selima::Checker::LinkCat(curform);
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$checker->redir(qw(cancel));
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return {"msg"=>N_("This category has [numerate,_1,a subcategory,subcategories]. It cannot be deleted. To delete the category, [numerate,_1,its subcategory,all of its subcategories] must first be deleted."),
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"margs"=>[$CURRENT{"scatcount"}],
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"isform"=>0}
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if $CURRENT{"scatcount"} > 0;
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return {"msg"=>N_("This category has [numerate,_1,a link,links]. It cannot be deleted. To delete the category, [numerate,_1,its link,all of its links] must first be deleted."),
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"margs"=>[$CURRENT{"linkcount"}],
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"isform"=>0}
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if $CURRENT{"linkcount"} > 0;
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# Not a valid form
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} else {
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return {"msg"=>N_("Incorrect form: [_1]."),
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"margs"=>[$_],
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"isform"=>0};
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}
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# OK
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return;
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}
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# html_page: Display the page
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sub html_page($) {
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local ($_, %_);
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my ($status, $LIST, $FORM);
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$status = $_[0];
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# A form is requested
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if (is_form $status) {
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$FORM = new Selima::wov::Form::LinkCat($status);
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html_header $FORM->{"title"};
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html_errmsg $status;
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$FORM->html;
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html_footer;
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# List the available items
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} else {
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$LIST = new Selima::List::LinkCat;
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$LIST->{"title"} = "管理女網牽手分類"
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unless $LIST->{"is_called_form"};
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html_header $LIST->{"title"}, undef, $LIST->page_param;
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html_errmsg $status;
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$LIST->html;
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html_footer;
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}
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return;
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}
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##################################
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# Subroutines to manage the data #
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##################################
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# fetch_curitem: Fetch the current item
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sub fetch_curitem() {
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local ($_, %_);
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my ($sn, $FORM, $sth, $sql, $row);
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my ($lang, $lndb, $lndbdef, $langfile, $title);
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# Return if fetched before
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return if scalar(keys %CURRENT) > 0;
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# Obtain the current form
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$FORM = curform;
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# No item specified
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return {"msg"=>N_("Please select the category."),
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"isform"=>0}
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if !defined $FORM->param("sn");
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$sn = $FORM->param("sn");
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# Find the record
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%CURRENT = fetchrec $sn, $THIS_TABLE;
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# If this record exist
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return {"msg"=>N_("This category does not exist anymore. Please select another one."),
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"isform"=>0}
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if scalar(keys %CURRENT) == 0;
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$lang = getlang;
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$lndb = getlang LN_DATABASE;
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$lndbdef = ln $DEFAULT_LANG, LN_DATABASE;
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$langfile = getlang LN_FILENAME;
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# Obtain the belonging subcategories list
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@_ = qw();
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push @_, "sn AS sn";
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if (@ALL_LINGUAS > 1) {
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$title = $lang eq $DEFAULT_LANG? "title_$lndb":
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"COALESCE(title_$lndb, title_$lndbdef)";
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push @_, "linkcat_fulltitle('$lang', parent, $title) AS title";
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} else {
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push @_, "linkcat_fulltitle(parent, title) AS title";
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}
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push @_, $DBH->strcat("'/links'", "linkcat_path(sn, id, parent)")
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. " AS url";
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$sql = "SELECT " . join(", ", @_) . " FROM linkcat"
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. " WHERE linkcat_ischild($sn, sn)"
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. " ORDER BY linkcat_fullord(parent, ord);\n";
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$sth = $DBH->prepare($sql);
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$sth->execute;
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$CURRENT{"scatcount"} = $sth->rows;
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for ($_ = 0; $_ < $CURRENT{"scatcount"}; $_++) {
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$row = $sth->fetchrow_hashref;
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$CURRENT{"scat$_" . "sn"} = $$row{"sn"};
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$CURRENT{"scat$_" . "title"} = $$row{"title"};
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$CURRENT{"scat$_" . "url"} = $$row{"url"};
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}
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# Obtain the belonging links list
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@_ = qw();
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push @_, "links.sn AS sn";
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push @_, "links.title AS title";
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push @_, "url AS url";
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$sql = "SELECT " . join(", ", @_) . " FROM links"
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. " INNER JOIN linkcatz ON linkcatz.link=links.sn"
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. " WHERE linkcatz.cat=$sn"
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. " ORDER BY title;\n";
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$sth = $DBH->prepare($sql);
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$sth->execute;
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$CURRENT{"linkcount"} = $sth->rows;
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for ($_ = 0; $_ < $CURRENT{"linkcount"}; $_++) {
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$row = $sth->fetchrow_hashref;
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$CURRENT{"link$_" . "sn"} = $$row{"sn"};
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$CURRENT{"link$_" . "title"} = $$row{"title"};
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$CURRENT{"link$_" . "url"} = $$row{"url"};
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}
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# OK
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return;
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}
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# import_selparent: Import the selected parent into the retrieved form
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sub import_selparent($) {
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local ($_, %_);
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my $FORM;
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$FORM = $_[0];
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if ( defined $GET->param("selsn")
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&& check_sn_in ${$GET->param_fetch("selsn")}[0], "linkcat") {
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$FORM->param("parent", $GET->param("selsn"));
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$FORM->param("topmost", "false");
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}
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return;
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}
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no utf8;
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