From d7fefa2a6b4722e4ecd6f9cde2d8e8832d750d86 Mon Sep 17 00:00:00 2001
From: Dries Buytaert <dries@buytaert.net>
Date: Sat, 14 Apr 2001 19:27:44 +0000
Subject: - preliminary section code - does _not_ work yet

---
 includes/structure.inc | 72 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 includes/structure.inc

(limited to 'includes/structure.inc')

diff --git a/includes/structure.inc b/includes/structure.inc
new file mode 100644
index 000000000..ff697c4d3
--- /dev/null
+++ b/includes/structure.inc
@@ -0,0 +1,72 @@
+<?php
+
+// ----- category -----
+
+function _category_get($field, $value) {
+  return db_query("SELECT * FROM category WHERE $field = '$value'");
+}
+
+// returns the category object where $field = $value:
+function category_get_object($field, $value) {
+  return db_fetch_object(_category_get($field, $value));
+}
+
+// returns the category array where $field = $value:
+function category_get_array($field, $value) {
+  return db_fetch_array(_category_get($field, $value));
+}
+
+// save a category:
+function category_save($edit) {
+  if (!$edit[cid]) $edit[cid] = db_insert_id(db_query("INSERT INTO category (name) VALUES ('". check_input($edit[name])."')"));
+  foreach ($edit as $key=>$value) db_query("UPDATE category SET $key = '". check_input($value) ."' WHERE cid = '$edit[cid]'");
+}
+
+function category_del($id) {
+  db_query("DELETE FROM category WHERE cid = '$id'");
+}
+
+// ----- topic -----
+function _topic_get($field, $value) {
+  return db_query("SELECT * FROM topic WHERE $field = '$value'");
+}
+
+// returns the topic object where $field = $value:
+function topic_get_object($field, $value) {
+  return db_fetch_object(_topic_get($field, $value));
+}
+
+// returns the topic array where $field = $value:
+function topic_get_array($field, $value) {
+  return db_fetch_array(_topic_get($field, $value));
+}
+
+// save a topic:
+function topic_save($edit) {
+  if (!$edit[tid]) $edit[tid] = db_insert_id(db_query("INSERT INTO topic (name) VALUES ('". check_input($edit[name])."')"));
+  foreach ($edit as $key=>$value) db_query("UPDATE topic SET $key = '". check_input($value) ."' WHERE tid = '$edit[tid]'");
+}
+
+// returns a sorted tree-representation of all topics:
+function topic_tree($parent = 0, $name = "", $tree = array()) {
+  $result = db_query("SELECT * FROM topic WHERE pid = '$parent' ORDER BY name");
+  while ($topic = db_fetch_object($result)) {
+    $tree[$topic->tid] = ($name ? "$name - $topic->name" : $topic->name);
+    $tree = topic_tree($topic->tid, $tree[$topic->tid], $tree);
+  }
+  return $tree;
+}
+
+// renders a form to select one or more topics:
+function topic_form_select($type, $topics = array(), $size = 1) {
+  foreach (topic_tree() as $tid=>$name) {
+    $options .= "<OPTION VALUE=\"$tid\">$name</OPTION>\n";
+  }
+  return "<B>". t("Topic") .":</B><BR><SELECT NAME=\"edit[topic][]\" SIZE=\"$size\"". ($size > 1 ? "MULTIPLE" : "") .">$options</SELECT><P>\n";
+}
+
+function topic_del($id) {
+  db_query("DELETE FROM topic WHERE tid = '$id'");
+}
+
+?>
\ No newline at end of file
-- 
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