<?php
/**************************************************************************
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   @Authors:	Ryan Thompson(hide@address.com)
***************************************************************************/
/*$Id: class.categories.php,v 1.4 2003/12/09 07:43:02 rthomp Exp $*/

class category 
{
	
	/*!
		@function categorize()
		@author Ryan Thompson
		@abstract Categorizes and item
		@version 0.1
		@params $item_id 	- ID returned from database for item
		@params $service	- Service that item belongs to
		@params $category_id	- ID of category
		@return TRUE/FALSE
		@since 07-12-2003
		@access PUBLIC
	*/
	function categorize($item_id, $service, $category_id)
	{
		GLOBAL $db;
		if(!empty($_POST['category']))
		{
			$sql = "INSERT INTO o_categorize (id, service, category) VALUES ('$item_id', '$service', '$category_id')";
			$db->query($sql);
		}
		return;
	}
	
	/*!
		@function delete()
		@author Ryan Thompson
		@abstract Removes and item from categorize table
		@version 0.1
		@params $item_id 	- ID returned from database for item
		@params $service	- Service that item belongs to
		@since 07-12-2003
		@access PUBLIC
	*/
	function delete($item_id, $service)
	{
		GLOBAL $db;
		$sql = "DELETE FROM o_categorize WHERE id='$item_id' AND service='$service'";
		$db->query($sql);
			
		return;
	}
	
	/*!
		@function get_category_select()
		@author Ryan Thompson
		@abstract Retrieves a category select box
		@version 0.1
		@params $user_id
		@params $service
		@params	$page
		@return $select_box. $link
		@since 07-12-2003
		@access PUBLIC
	*/
	function get_category_select($user_id, $service, $page, $selected, $filter = NULL)
	{
		GLOBAL $O, $html, $db, $lang;
		
		if($filter)
		{
			$categories['*'] = $lang->get_msg('all', 'gl');
		}
		$sql = "SELECT * FROM o_categories WHERE user_id='{$user_id}' AND service='$service' OR user_id='{$user_id}' AND service='gl'";
		$db->query($sql);
		while($db->fetch_results())
		{
			$categories[$db->record['category_id']] = $db->record['category'];
		}
		$link = $O->create_link("/users/categories.php?rt=$service&pg=$page", $lang->get_msg('add_category', 'gl'), 'small_link');
		return $html->select_box('category', 'array', $categories, $selected) . $link;
	}
	
	/*!
		@function get_category_filter()
		@author Ryan Thompson
		@abstract Return SQL statement for filtering
		@version 0.1
		@params $category
		@return $select_box. $link
		@since 07-12-2003
		@access PUBLIC
	*/
	function get_category_filter($category, $table, $fields, $where)
	{
		//Can't use until I figure out how.	
	}
	
	/*!
		@function add_default_categories()
		@author Ryan Thompson
		@abstract Adds some default categories for users
		@version 0.1
		@params $user_id
		@return TRUE
		@since 08-12-2003
		@access PUBLIC
	*/
	
	function add_default_categories($user_id)
	{
		
		GLOBAL $db;
		$sql = "SELECT * FROM o_categories WHERE user_id='1'";
		$db->query($sql);
		$i = 0;
		while($db->fetch_results())
		{
			$categories[$i]['service'] = $db->record['service'];
			$categories[$i]['cat'] = $db->record['category'];	
			$i++;
		}	
		
		foreach($categories AS $value)
		{
			$sql = "INSERT INTO o_categories (user_id, category, service) VALUES ('$user_id','{$value['cat']}','{$value['service']}')";
			
			$db->query($sql);
		}
	}
	
	/*!
		@function edit_category()
		@author Ryan Thompson
		@abstract Updates the category for given $item in $service
		@version 0.1
		@params $item_id
		@params $service
		@params	$category
		@return TRUE
		@since 08-12-2003
		@access PUBLIC
	*/	
	function edit_category($item_id, $service, $category)
	{
		GLOBAL $db;
		$sql = "UPDATE o_categorize SET category='$category' WHERE id='$item_id' AND service='$service'";
		$db->query($sql);
		
		return;
	}
}