From 3b1e5e5204d7cade3afc320cc45b1eb4efa6743c Mon Sep 17 00:00:00 2001
From: friendica <info@friendica.com>
Date: Wed, 19 Jun 2013 21:50:14 -0700
Subject: source code re-org, move taxonomy to separate include

---
 include/taxonomy.php | 91 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100644 include/taxonomy.php

(limited to 'include/taxonomy.php')

diff --git a/include/taxonomy.php b/include/taxonomy.php
new file mode 100644
index 000000000..5130ff9b7
--- /dev/null
+++ b/include/taxonomy.php
@@ -0,0 +1,91 @@
+<?php /** @file */
+
+// post categories and "save to file" use the same item.file table for storage.
+// We will differentiate the different uses by wrapping categories in angle brackets
+// and save to file categories in square brackets.
+// To do this we need to escape these characters if they appear in our tag. 
+
+function file_tag_encode($s) {
+	return str_replace(array('<','>','[',']'),array('%3c','%3e','%5b','%5d'),$s);
+}
+
+function file_tag_decode($s) {
+	return str_replace(array('%3c','%3e','%5b','%5d'),array('<','>','[',']'),$s);
+}
+
+function file_tag_file_query($table,$s,$type = 'file') {
+
+	if($type == 'file')
+		$termtype = TERM_FILE;
+	else
+		$termtype = TERM_CATEGORY;
+
+	return sprintf(" AND " . (($table) ? dbesc($table) . '.' : '') . "id in (select term.oid from term where term.type = %d and term.term = '%s' and term.uid = " . (($table) ? dbesc($table) . '.' : '') . "uid ) ",
+		intval($termtype),
+		protect_sprintf(dbesc($s))
+	);
+}
+
+function term_query($table,$s,$type = TERM_UNKNOWN) {
+
+	return sprintf(" AND " . (($table) ? dbesc($table) . '.' : '') . "id in (select term.oid from term where term.type = %d and term.term = '%s' and term.uid = " . (($table) ? dbesc($table) . '.' : '') . "uid ) ",
+		intval($type),
+		protect_sprintf(dbesc($s))
+	);
+}
+
+
+function store_item_tag($uid,$iid,$otype,$type,$term,$url = '') {
+	if(! $term) 
+		return false;
+	$r = q("select * from term 
+		where uid = %d and oid = %d and otype = %d and type = %d 
+		and term = '%s' and url = '%s' ",
+		intval($uid),
+		intval($iid),
+		intval($otype),
+		intval($type),
+		dbesc($term),
+		dbesc($url)
+	);
+	if($r)
+		return false;
+	$r = q("insert into term (uid, oid, otype, type, term, url)
+		values( %d, %d, %d, %d, '%s', '%s') ",
+		intval($uid),
+		intval($iid),
+		intval($otype),
+		intval($type),
+		dbesc($term),
+		dbesc($url)
+	);
+	return $r;
+}
+		
+function get_terms_oftype($arr,$type) {
+	$ret = array();
+	if(! (is_array($arr) && count($arr)))
+		return $ret;
+
+	if(! is_array($type))
+		$type = array($type);
+
+	foreach($type as $t)
+		foreach($arr as $x)
+			if($x['type'] == $t)
+				$ret[] = $x;
+	return $ret;
+}
+
+function format_term_for_display($term) {
+	$s = '';
+	if($term['type'] == TERM_HASHTAG)
+		$s .= '#';
+	elseif($term['type'] == TERM_MENTION)
+		$s .= '@';
+
+	if($term['url']) $s .= '<a target="extlink" href="' . $term['url'] . '">' . htmlspecialchars($term['term']) . '</a>';
+	else $s .= htmlspecialchars($term['term']);
+	return $s;
+}
+
-- 
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