X-Git-Url: https://delta.frontaccounting.com/gitweb/?a=blobdiff_plain;f=admin%2Fdb%2Ftags_db.inc;h=40602a942b0c11183582bad6a006eb9a85868f64;hb=9044444ee1933dc684c6aab26ac718e65ce8c370;hp=2e7ac061b4af47d89a5fd4340ad14c43702fae07;hpb=2cbd76da9ed3363d59628e51319524ca103d9c47;p=fa-stable.git

diff --git a/admin/db/tags_db.inc b/admin/db/tags_db.inc
index 2e7ac061..40602a94 100644
--- a/admin/db/tags_db.inc
+++ b/admin/db/tags_db.inc
@@ -65,7 +65,7 @@ function get_tag_type($id)
 	$result = db_query($sql, "could not get tag type");
 
 	$row = db_fetch_row($result);
-	return $row[0];
+	return is_array($row) ? $row[0] : false;
 }
 
 //--------------------------------------------------------------------------------------
@@ -75,11 +75,27 @@ function get_tag_name($id)
 	$sql = "SELECT name FROM ".TB_PREF."tags WHERE id = ".db_escape($id);
 
 	$result = db_query($sql, "could not get tag name");
-
+	
 	$row = db_fetch_row($result);
-	return $row[0];
+	return $row ? $row[0] : '';
 }
 
+//----------------------------------------------------------------------------------------------------
+function get_tag_names($tags)
+{
+	$str = "";
+	if ($tags == -1)
+		return $str;
+	foreach($tags as $id)
+	{
+		$tag = get_tag_name($id);
+		if ($str == "")
+			$str .= $tag;
+		else	
+			$str .= ", ".$tag;
+	}
+	return $str;
+}
 //--------------------------------------------------------------------------------------
 
 function get_tag_description($id)
@@ -89,7 +105,7 @@ function get_tag_description($id)
 	$result = db_query($sql, "could not get tag description");
 
 	$row = db_fetch_row($result);
-	return $row[0];
+	return is_array($row) ? $row[0] : false;
 }
 
 //--------------------------------------------------------------------------------------
@@ -125,19 +141,29 @@ function update_tag_associations($type, $recordid, $tagids)
 }
 
 //--------------------------------------------------------------------------------------
-
 // To delete tag associations, we need to specify the tag type.
 // Otherwise we may inadvertantly delete records for another type of tag
+//
 function delete_tag_associations($type, $recordid, $all=false)
 {
-	$sql = "DELETE ta FROM ".TB_PREF."tag_associations AS ta 
-				INNER JOIN ".TB_PREF."tags AS tags ON tags.id = ta.tag_id 
+/* multiply table DELETE syntax available since MySQL 4.0.0:
+	$sql = "DELETE ta FROM ".TB_PREF."tag_associations ta 
+				INNER JOIN ".TB_PREF."tags tags ON tags.id = ta.tag_id 
 				WHERE tags.type = ".db_escape($type)." AND ta.record_id = ".db_escape($recordid);
-	
+*/
+	// To support MySQL 3.xx we have to use multiply queries
+	$sql = "SELECT * FROM ".TB_PREF."tag_associations ta 
+			INNER JOIN ".TB_PREF."tags tags ON tags.id = ta.tag_id 
+			WHERE tags.type = ".db_escape($type)." AND ta.record_id = ".db_escape($recordid);
 	if (!$all)
 		$sql .= " AND tags.inactive = 0";
+	$result = db_query($sql, "could not select tag associations");
 
-	db_query($sql, "could not delete tag associations");
+	while($ta = db_fetch($result)) {
+		$sql2 = "DELETE FROM ".TB_PREF."tag_associations WHERE 
+			record_id = '".$ta['record_id']."' AND tag_id=".$ta['tag_id'];
+		db_query($sql2, "could not delete tag associations");
+	}
 }
 
 //--------------------------------------------------------------------------------------
@@ -180,4 +206,17 @@ function get_tags_associated_with_record($type, $recordid)
 
 //--------------------------------------------------------------------------------------
 
-?>
\ No newline at end of file
+function is_record_in_tags($tags, $type, $recordid)
+{
+	foreach($tags as $id)
+	{
+		$sql = "SELECT ta.record_id FROM ".TB_PREF."tag_associations AS ta 
+				INNER JOIN ".TB_PREF."tags AS tags ON tags.id = ta.tag_id 
+				WHERE tags.type = $type AND tags.id = $id AND ta.record_id = ".db_escape($recordid);
+		$res = db_query($sql, "could not get tags associations for record");
+		if (db_num_rows($res) == 0)
+			return false;
+	}
+	return true;
+}
+