<?php

function nexus_cms_node_add($insert_arr)
{
	global $nexus_cfg, $nexusdb;
	
	$insert_key_arr = array();
	$insert_val_arr = array();

	reset($insert_arr);
	while (list($key, $val) = each($insert_arr))
	{
		$insert_key_arr[] = mysql_real_escape_string(trim($key));
		$insert_val_arr[] = mysql_real_escape_string(trim($val));
	}
	
	$sql = "INSERT INTO `%s` (`%s`, `create_time`, `last_modified`) VALUES ('%s', NOW(), NOW()) ";
	$sql = sprintf($sql, $nexus_cfg["table"]["cms_node"], implode("`,`", $insert_key_arr), implode("','", $insert_val_arr));

	$nexusdb->query($sql);
	$node_id = $nexusdb->insert_id;
	
	return $node_id;
}

function nexus_cms_node_update($node_id, $update_arr)
{
	global $nexus_cfg, $nexusdb;

	$update_clause = "";
	
	reset($update_arr);
	while (list($key, $val) = each($update_arr))
	{
		$update_clause .= (($update_clause=="")?"":", ") . sprintf("`%s` = '%s' ", mysql_real_escape_string(trim($key)), mysql_real_escape_string(trim($val)));
	}
	
	$sql = "UPDATE `%s` SET %s, `last_modified` = NOW() WHERE `node_id` = %d ";
	$sql = sprintf($sql, $nexus_cfg["table"]["cms_node"], $update_clause, $node_id);
	
	$num_rows_affected = $nexusdb->query($sql);
	return $num_rows_affected;
}

function nexus_cms_node_delete($node_id)
{
	global $nexus_cfg, $nexusdb;
	
	$cms_node_row = nexus_cms_node_get_row($node_id);
	
	// delete db record
	$sql = "DELETE FROM `%s` WHERE `node_id` = %d ";
	$sql = sprintf($sql, $nexus_cfg["table"]["cms_node"], $node_id);
	
	$nexusdb->query($sql);
	
	return;
	
}

function nexus_cms_node_get_row($id)
{
	global $nexus_cfg, $nexusdb;
	
	settype($id, "integer");
	if ($id < 1)
	{
		return false;
	}
	
	$sql = "SELECT * FROM `%s` WHERE `node_id` = %d ";
	$sql = sprintf($sql, $nexus_cfg["table"]["cms_node"], mysql_real_escape_string(trim($id)));
	
	$cms_node = $nexusdb->get_results($sql);
	if (count($cms_node) < 1)
	{
		return false;
	}
	return $cms_node[0];
}

function nexus_cms_node_get_list($search_info, &$total, &$result, $order_clause, $page=0, $page_size=0)
{
	global $nexus_cfg, $nexusdb;
	
	$total	= 0;
	$result	= array();
	
	$where_clause = "";
	$table_clause = $nexus_cfg["table"]["cms_node"] . " cms_node ";
	
	if (is_array($search_info) && count($search_info) > 0)
	{
		reset($search_info);
		while (list($key, $val) = each($search_info))
		{
			$where_clause .= (($where_clause=="")?"":" AND ") . sprintf("`%s` = '%s' ", mysql_real_escape_string(trim($key)), mysql_real_escape_string(trim($val))) ;
		}
	}
	if ($where_clause != "")
	{
		$where_clause = sprintf("WHERE %s", $where_clause);
	}
	
	$sql = "SELECT COUNT(*) AS total FROM %s %s";
	$sql = sprintf($sql, $table_clause, $where_clause);

	$cms_node_total = $nexusdb->get_results($sql);
	if (count($cms_node_total) < 1)
	{
		return false;
	}
	$cms_node_total_row = $cms_node_total[0];
	$total = $cms_node_total_row->total;
	
	if ($order_clause == "")
	{
		$order_clause = "ORDER BY order_id ASC, create_time DESC ";
	}
	
	$limit_clause = "";
	if ($page_size > 0)
	{
		$offset = ($page - 1) * $page_size;
		$limit_clause = sprintf("LIMIT %d, %d", $offset, $page_size);
	}
	
	$sql = "SELECT cms_node.* FROM %s %s %s %s";
	$sql = sprintf($sql, $table_clause, $where_clause, $order_clause, $limit_clause);
	
	$result = $nexusdb->get_results($sql);
	
}

?>