8c3862d557
As news are usable in OPAC and staff interface, I suggest changing the code to just be NEWS instead of OPACNEWS. Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de> Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
251 lines
7.3 KiB
Perl
251 lines
7.3 KiB
Perl
package C4::NewsChannels;
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# This file is part of Koha.
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#
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# Copyright (C) 2000-2002 Katipo Communications
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# Copyright (C) 2013 Mark Tompsett
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#
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# Koha is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# Koha is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Koha; if not, see <http://www.gnu.org/licenses>.
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use Modern::Perl;
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use C4::Context;
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use Koha::DateUtils;
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use C4::Log qw(logaction);
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use Koha::News;
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use vars qw(@ISA @EXPORT);
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BEGIN {
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@ISA = qw(Exporter);
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@EXPORT = qw(
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&GetNewsToDisplay
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&add_opac_new &upd_opac_new &del_opac_new &get_opac_new &get_opac_news
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);
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}
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=head1 NAME
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C4::NewsChannels - Functions to manage OPAC and intranet news
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=head1 DESCRIPTION
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This module provides the functions needed to mange OPAC and intranet news.
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=head1 FUNCTIONS
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=cut
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=head2 add_opac_new
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$retval = add_opac_new($hashref);
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$hashref should contains all the fields found in opac_news,
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except idnew. The idnew field is auto-generated.
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=cut
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sub add_opac_new {
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my ($href_entry) = @_;
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my $retval = 0;
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if ($href_entry) {
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$href_entry->{number} = 0 if $href_entry->{number} !~ /^\d+$/;
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my @fields = keys %{$href_entry};
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my @values = values %{$href_entry};
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my $field_string = join ',', @fields;
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$field_string = $field_string // q{};
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my $values_string = join(',', map { '?' } @fields);
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my $dbh = C4::Context->dbh;
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my $sth = $dbh->prepare("INSERT INTO opac_news ( $field_string ) VALUES ( $values_string )");
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$sth->execute(@values);
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$retval = 1;
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#Log new news entry
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if (C4::Context->preference("NewsLog")) {
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logaction('NEWS', 'ADD' , undef, $href_entry->{lang} . ' | ' . $href_entry->{content});
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}
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}
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return $retval;
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}
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=head2 upd_opac_new
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$retval = upd_opac_new($hashref);
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$hashref should contains all the fields found in opac_news,
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including idnew, since it is the key for the SQL UPDATE.
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=cut
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sub upd_opac_new {
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my ($href_entry) = @_;
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my $retval = 0;
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if ($href_entry) {
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$href_entry->{number} = 0 if $href_entry->{number} !~ /^\d+$/;
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# take the keys of hash entry and make a list, but...
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my @fields = keys %{$href_entry};
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my @values;
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$#values = -1;
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my $field_string = q{};
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foreach my $field_name (@fields) {
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# exclude idnew
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if ( $field_name ne 'idnew' ) {
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$field_string = $field_string . "$field_name = ?,";
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push @values,$href_entry->{$field_name};
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}
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}
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# put idnew at the end, so we know which record to update
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push @values,$href_entry->{'idnew'};
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chop $field_string; # remove that excess ,
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my $dbh = C4::Context->dbh;
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my $sth = $dbh->prepare("UPDATE opac_news SET $field_string WHERE idnew = ?;");
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$sth->execute(@values);
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$retval = 1;
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}
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#Log news entry modification
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if (C4::Context->preference("NewsLog")) {
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logaction('NEWS', 'MODIFY' , undef, $href_entry->{lang} . ' | ' . $href_entry->{content});
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}
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return $retval;
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}
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sub del_opac_new {
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my ($ids) = @_;
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if ($ids) {
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#Log news deletion
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if (C4::Context->preference("NewsLog")) {
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foreach my $newsid ( split(/,/, $ids )) {
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my $n = Koha::News->find( $newsid );
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logaction('NEWS', 'DELETE', undef, $n->unblessed->{lang} . ' | ' . $n->unblessed->{content} );
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}
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}
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my $dbh = C4::Context->dbh;
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my $sth = $dbh->prepare("DELETE FROM opac_news WHERE idnew IN ($ids)");
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$sth->execute();
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return 1;
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} else {
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return 0;
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}
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}
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sub get_opac_new {
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my ($idnew) = @_;
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my $dbh = C4::Context->dbh;
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my $query = q{
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SELECT opac_news.*,branches.branchname
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FROM opac_news LEFT JOIN branches
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ON opac_news.branchcode=branches.branchcode
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WHERE opac_news.idnew = ?;
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};
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my $sth = $dbh->prepare($query);
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$sth->execute($idnew);
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my $data = $sth->fetchrow_hashref;
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$data->{expirationdate} = output_pref({ dt => dt_from_string( $data->{expirationdate} ), dateonly => 1 }) if ( $data->{expirationdate} );
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$data->{published_on} = output_pref({ dt => dt_from_string( $data->{published_on} ), dateonly => 1 });
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return $data;
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}
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sub get_opac_news {
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my ($limit, $lang, $branchcode) = @_;
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my @values;
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my $dbh = C4::Context->dbh;
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my $query = q{
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SELECT opac_news.*, branches.branchname,
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published_on AS newdate,
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borrowers.title AS author_title,
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borrowers.firstname AS author_firstname,
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borrowers.surname AS author_surname
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FROM opac_news LEFT JOIN branches
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ON opac_news.branchcode=branches.branchcode
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LEFT JOIN borrowers on borrowers.borrowernumber = opac_news.borrowernumber
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};
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$query .= ' WHERE 1';
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if ($lang) {
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$query .= " AND (opac_news.lang='' OR opac_news.lang=?)";
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push @values,$lang;
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}
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if ($branchcode) {
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$query .= ' AND (opac_news.branchcode IS NULL OR opac_news.branchcode=?)';
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push @values,$branchcode;
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}
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$query.= ' ORDER BY published_on DESC ';
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#if ($limit) {
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# $query.= 'LIMIT 0, ' . $limit;
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#}
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my $sth = $dbh->prepare($query);
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$sth->execute(@values);
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my @opac_news;
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my $count = 0;
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while (my $row = $sth->fetchrow_hashref) {
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if ((($limit) && ($count < $limit)) || (!$limit)) {
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push @opac_news, $row;
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}
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$count++;
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}
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return ($count, \@opac_news);
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}
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=head2 GetNewsToDisplay
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$news = &GetNewsToDisplay($lang,$branch);
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C<$news> is a ref to an array which contains
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all news with expirationdate > today or expirationdate is null
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that is applicable for a given branch.
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=cut
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sub GetNewsToDisplay {
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my ($lang,$branch) = @_;
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my $dbh = C4::Context->dbh;
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my $query = q{
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SELECT opac_news.*,published_on AS newdate,
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borrowers.title AS author_title,
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borrowers.firstname AS author_firstname,
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borrowers.surname AS author_surname
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FROM opac_news
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LEFT JOIN borrowers on borrowers.borrowernumber = opac_news.borrowernumber
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WHERE (
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expirationdate >= CURRENT_DATE()
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OR expirationdate IS NULL
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)
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AND published_on <= CURDATE()
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AND (opac_news.lang = '' OR opac_news.lang = ?)
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AND (opac_news.branchcode IS NULL OR opac_news.branchcode = ?)
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ORDER BY number
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};
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my $sth = $dbh->prepare($query);
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$lang = $lang // q{};
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$sth->execute($lang,$branch);
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my @results;
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while ( my $row = $sth->fetchrow_hashref ){
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$row->{newdate} = output_pref({ dt => dt_from_string( $row->{newdate} ), dateonly => 1 });
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push @results, $row;
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}
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return \@results;
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}
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1;
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__END__
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=head1 AUTHOR
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TG
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=cut
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