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345
htdocs/htc/magicat/cgi-bin/newslets.cgi
Executable file
345
htdocs/htc/magicat/cgi-bin/newslets.cgi
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#! /usr/bin/perl -w
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# History: Theory and Culture
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# newslets.cgi: The newsletter administration.
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# Copyright (c) 2006-2021 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: 2006-04-28
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use 5.008;
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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::htc;
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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 fetch_index($$$);
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use Date::Parse qw(str2time);
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initenv(-restricted => 1,
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-this_table => "newslets",
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-dbi_lock => {"newslets" => LOCK_EX,
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"nlindex" => LOCK_EX,
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"nlarts" => LOCK_SH},
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-lastmod => 1,
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-page_param => {"keywords" => N_("newsletters")});
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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::htc::Processor::Newslet($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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# 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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# A form to preview a submitted item
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} elsif ($_ eq "preview") {
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my ($sql, $sth, $count, $row, @allno);
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# Check at fetch_preview()
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$error = fetch_preview;
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return $error if defined $error;
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$PREVIEW{"path"} = sprintf "/newsletters/%03d/", $PREVIEW{"no"};
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$PREVIEW{"date"} = str2time $PREVIEW{"date"};
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$PREVIEW{"title"} = newslet_textno($PREVIEW{"no"}) . " " . $PREVIEW{"title"};
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# Obtain all the pages
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@_ = qw();
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push @_, "sn!=" . $PREVIEW{"sn"} if exists $PREVIEW{"sn"};
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push @_, "NOT hid";
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$sql = "SELECT no FROM newslets"
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. " WHERE " . join(" AND ", @_)
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. " ORDER BY no;\n";
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$sth = $DBH->prepare($sql);
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$sth->execute;
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$count = $sth->rows;
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for (my $i = 0, @allno = qw(); $i < $count; $i++) {
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push @allno, ${$sth->fetch}[0];
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}
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undef $sth;
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# Insert this page
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for ($_ = 0; $_ < @allno; $_++) {
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last if $PREVIEW{"no"} < $allno[$_];
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}
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@allno = (
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@allno[0..$_-1],
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$PREVIEW{"no"},
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@allno[$_..$#allno]);
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$PREVIEW{"allno"} = [@allno];
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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::htc::Checker::Newslet(curform);
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$checker->redir(qw(selndxart delndxart));
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$error = $checker->check(qw(no date title credits 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::htc::Checker::Newslet(curform);
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$checker->redir(qw(del selndxart delndxart));
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$error = $checker->check(qw(no date title credits 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::htc::Checker::Newslet(curform);
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$checker->redir(qw(cancel));
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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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# A form to preview a submitted item
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if (form_type eq "preview") {
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html_preview;
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} else {
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$FORM = new Selima::htc::Form::Newslet($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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}
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# List the available items
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} else {
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$LIST = new Selima::htc::List::Newslets;
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html_header $LIST->{"title"}, $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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# 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 newsletter."),
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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 newsletter 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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# Obtain the date
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$CURRENT{"date"} = fmtdate $CURRENT{"date"};
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# Obtain the belonging index items list
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@_ = qw();
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push @_, "sn AS sn";
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push @_, "art AS art";
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push @_, "title AS title";
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$sql = "SELECT " . join(", ", @_) . " FROM nlindex"
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. " WHERE newslet=$sn"
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. " AND parent IS NULL"
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. " ORDER BY ord;\n";
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$sth = $DBH->prepare($sql);
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$sth->execute;
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$CURRENT{"ndxcount"} = $sth->rows;
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for ($_ = 0; $_ < $CURRENT{"ndxcount"}; $_++) {
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$row = $sth->fetchrow_hashref;
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$CURRENT{"ndx$_"} = 1;
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$CURRENT{"ndx$_" . "sn"} = $$row{"sn"};
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$CURRENT{"ndx$_" . "art"} = $$row{"art"};
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$CURRENT{"ndx$_" . "title"} = $$row{"title"};
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}
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for ($_ = 0; $_ < $CURRENT{"ndxcount"}; $_++) {
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fetch_index $sn, $CURRENT{"ndx$_" . "sn"}, "ndx$_" . "sub";
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}
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# Obtain the belonging articles list
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@_ = qw();
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push @_, "sn AS sn";
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push @_, "title AS title";
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$sql = "SELECT " . join(", ", @_) . " FROM nlarts"
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. " WHERE newslet=$sn"
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. " ORDER BY ord;\n";
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$sth = $DBH->prepare($sql);
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$sth->execute;
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$CURRENT{"artcount"} = $sth->rows;
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for ($_ = 0; $_ < $CURRENT{"artcount"}; $_++) {
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$row = $sth->fetchrow_hashref;
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$CURRENT{"art$_" . "sn"} = $$row{"sn"};
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$CURRENT{"art$_" . "title"} = $$row{"title"};
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}
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# OK
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return;
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}
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# fetch_index: Fetch the index of the current item
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sub fetch_index($$$) {
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local ($_, %_);
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my ($sn, $parent, $prefix, $sql, $sth, $count, $row);
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($sn, $parent, $prefix) = @_;
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# Find the items
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@_ = qw();
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push @_, "sn AS sn";
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push @_, "art AS art";
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push @_, "title AS title";
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$sql = "SELECT " . join(", ", @_) . " FROM nlindex"
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. " WHERE newslet=$sn"
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. " AND parent=$parent"
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. " ORDER BY ord;\n";
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$sth = $DBH->prepare($sql);
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$sth->execute;
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$count = $sth->rows;
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return if $count == 0;
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$CURRENT{$prefix} = 1;
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$CURRENT{$prefix . "count"} = $count;
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for ($_ = 0; $_ < $CURRENT{$prefix . "count"}; $_++) {
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$row = $sth->fetchrow_hashref;
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$CURRENT{"$prefix$_"} = 1;
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$CURRENT{"$prefix$_" . "sn"} = $$row{"sn"};
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$CURRENT{"$prefix$_" . "art"} = $$row{"art"};
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$CURRENT{"$prefix$_" . "title"} = $$row{"title"};
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}
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undef $sth;
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# Find the subitems
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for ($_ = 0; $_ < $CURRENT{$prefix . "count"}; $_++) {
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fetch_index $sn, $CURRENT{"$prefix$_" . "sn"}, "$prefix$_" . "sub";
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}
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return;
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}
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# import_selndxart: Import the selected index item article into the retrieved form
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sub import_selndxart($) {
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local ($_, %_);
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my $FORM;
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$FORM = $_[0];
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$FORM->param($FORM->param("caller_index"), $GET->param("selsn"))
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if defined $FORM->param("caller_index")
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&& defined $GET->param("selsn")
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&& check_sn_in ${$GET->param_fetch("selsn")}[0], "nlarts";
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return;
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}
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