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htdocs/emandy/magicat/lib/perl5/Selima/emandy/Items.pm

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+# Mandy Wu's Website
+# Items.pm: The data record related subroutines.
+
+#  Copyright (c) 2006-2018 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: 2006-11-14
+
+package Selima::emandy::Items;
+use 5.008;
+use strict;
+use warnings;
+use base qw(Exporter);
+use vars qw(@EXPORT @EXPORT_OK);
+BEGIN {
+@EXPORT = qw();
+push @EXPORT, qw(mtrltype_title mtrltype_options);
+@EXPORT_OK = @EXPORT;
+# Prototype declaration
+sub mtrltype_title($);
+sub mtrltype_options($);
+}
+
+use Selima::ChkFunc;
+use Selima::CommText;
+use Selima::DataVars qw($DBH :l10n :lninfo);
+use Selima::EchoForm;
+use Selima::GetLang;
+use Selima::LnInfo;
+
+# mtrltype_title: Obtain a material type title
+sub mtrltype_title($) {
+    local ($_, %_);
+    my ($sn, $sql, $sth, $row);
+    $sn = $_[0];
+    # Bounce if there is any problem with $sn
+    return t_notset if !defined $sn;
+    
+    # Check the serial number first
+    return t_na if !check_sn $sn;
+    
+    # Query
+    $sql = "SELECT title FROM mtrltype"
+        . " WHERE sn=$sn;\n";
+    $sth = $DBH->prepare($sql);
+    $sth->execute;
+    
+    # Not found
+    return t_na unless $sth->rows == 1;
+    
+    # Found
+    return ${$sth->fetch}[0];
+}
+
+# mtrltype_options: Obtain a material type options list
+sub mtrltype_options($) {
+    local ($_, %_);
+    my ($value, $sql, $thiscol, $defcol, $content);
+    $value = $_[0];
+
+    # Unilingual
+    if (@ALL_LINGUAS == 1) {
+        $content = "title AS content";
+    # Multilingual
+    } else {
+        $thiscol = "title_" . getlang(LN_DATABASE);
+        # Default language
+        if (getlang eq $DEFAULT_LANG) {
+            $content = "$thiscol AS content";
+        # Fall back to the default language
+        } else {
+            $defcol = "title_" . ln($DEFAULT_LANG, LN_DATABASE);
+            $content = "COALESCE($thiscol, $defcol) AS content";
+        }
+    }
+    $sql = "SELECT sn AS value, $content FROM mtrltype"
+        . " ORDER BY ord;\n";
+    return opt_list $sql, $value;
+}
+
+return 1;