<?php

/*
 * Nucleus: PHP/MySQL Weblog CMS (http://nucleuscms.org/)
 * Copyright (C) 2002-2009 The Nucleus Group
 *
 * 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.
 * (see nucleus/documentation/index.html#license for more info)
 */

/**
 *	This file contains definitions for the methods of the metaWeblog API
 *
 * @license http://nucleuscms.org/license.txt GNU General Public License
 * @copyright Copyright (C) 2002-2009 The Nucleus Group
 * @version $Id: api_metaweblog.inc.php 1491 2011-01-03 23:00:35Z ftruscot $
 */


	// metaWeblog.newPost
	$f_metaWeblog_newPost_sig = array(array(
			// return type
			$xmlrpcString,	// itemid of the new item

			// params:
			$xmlrpcString,	// blogid
			$xmlrpcString,	// username
			$xmlrpcString,	// password
			$xmlrpcStruct,	// content
			$xmlrpcBoolean,	// publish boolean (set to false to create draft)

		));
	$f_metaWeblog_newPost_doc = "Adds a new item to the given blog. Adds it as a draft when publish is false";
	function f_metaWeblog_newPost($m) {
		global $manager;
		
		$blogid = 			_getScalar($m,0);
		$username = 		_getScalar($m,1);
		$password = 		_getScalar($m,2);
		$struct = 			$m->getParam(3);
		
		$content = 		_getStructVal($struct, 'description');
		$more = 		_getStructVal($struct, 'mt_text_more');
		$title = 		_getStructVal($struct, 'title');

		// category is optional (thus: be careful)!
		$catlist = $struct->structmem('categories');
		if ($catlist && ($catlist->kindOf() == "array") && ($catlist->arraysize() > 0))
			$category = _getArrayVal($catlist, 0);
		
		
		$comments = (int) _getStructVal($struct, 'mt_allow_comments') ? 0 : 1;
		$publish = _getScalar($m,4);


		// Add item
		$res = _addItem($blogid, $username, $password, $title, $content, $more, $publish, $comments, $category);
		
		// Handle trackbacks
		$trackbacks = array();
		$tblist = $struct->structmem('mt_tb_ping_urls');
		if ($tblist && ($tblist->kindOf() == "array") && ($tblist->arraysize() > 0)) {
			
			for ($i = 0; $i < $tblist->arraysize(); $i++) {
				$trackbacks[] = _getArrayVal($tblist, $i);
			}
			
			$manager->notify('SendTrackback', array ('tb_id' => $itemid, 'urls' => & $trackbacks));
		}

		return $res;
	}


	// metaWeblog.getCategories
	$f_metaWeblog_getCategories_sig = array(array(
		// return
		$xmlrpcStruct,	// categories for blog

		// params
		$xmlrpcString,	// blogid
		$xmlrpcString,	// username
		$xmlrpcString,	// password

	));
	$f_metaWeblog_getCategories_doc = "Returns the categories for a given blog";
	function f_metaWeblog_getCategories($m) {
		$blogid =	_getScalar($m,0);
		$username =	_getScalar($m,1);
		$password =	_getScalar($m,2);

		return _categoryList($blogid, $username, $password);
	}


	// metaWeblog.getPost
	$f_metaWeblog_getPost_sig = array(array(
		// return
		$xmlrpcStruct,	// the juice

		// params
		$xmlrpcString,	// itemid
		$xmlrpcString,	// username
		$xmlrpcString,	// password

	));
	$f_metaWeblog_getPost_doc = "Retrieves a post";
	function f_metaWeblog_getPost($m) {
		$itemid =	_getScalar($m,0);
		$username =	_getScalar($m,1);
		$password =	_getScalar($m,2);

		return _mw_getPost($itemid, $username, $password);
	}


	// metaWeblog.editPost
	$f_metaWeblog_editPost_sig = array(array(
			// return type
			$xmlrpcBoolean,	// true

			// params:
			$xmlrpcString,	// itemid
			$xmlrpcString,	// username
			$xmlrpcString,	// password
			$xmlrpcStruct,	// content
			$xmlrpcBoolean,	// publish boolean (set to false to create draft)

		));
	$f_metaWeblog_editPost_doc = "Edits an item";
	function f_metaWeblog_editPost($m) {
		global $manager;

		$itemid = 			_getScalar($m,0);
		$username = 		_getScalar($m,1);
		$password = 		_getScalar($m,2);

		$category = '';
		$struct = 			$m->getParam(3);
			$content = 		_getStructVal($struct, 'description');
			$title = 		_getStructVal($struct, 'title');

			// category is optional (thus: be careful)!
			$catlist = $struct->structmem('categories');
			if ($catlist && ($catlist->kindOf() == "array") && ($catlist->arraysize() > 0)) {
				$category = _getArrayVal($catlist, 0);
			}

		$publish = _getScalar($m,4);

		
		// get old title and extended part
		if (!$manager->existsItem($itemid,1,1))
			return _error(6,"No such item ($itemid)");
		$blogid = getBlogIDFromItemID($itemid);

		$old =& $manager->getItem($itemid,1,1);

		if ($category == '')
		{
			// leave category unchanged when not present
			$catid = $old['catid'];
		}
		else
		{
			$blog = new BLOG($blogid);
			$catid = $blog->getCategoryIdFromName($category);
		}

		if ($old['draft'] && $publish) {
			$wasdraft = 1;
			$publish = 1;
		} else {
			$wasdraft = 0;
		}

		$more = $struct->structmem('mt_text_more');
		if ($more) {
			$more = _getStructVal($struct, 'mt_text_more');
		} else {
			$more = $old['more'];
		}
		
		$comments = $struct->structmem('mt_allow_comments');
		if ($comments) {
			$comments = (int) _getStructVal($struct, 'mt_allow_comments') ? 0 : 1;
		} else {
			$comments = $old['closed'];
		}

		$res = _edititem($itemid, $username, $password, $catid, $title, $content, $more, $wasdraft, $publish, $comments);

		// Handle trackbacks
		$trackbacks = array();
		$tblist = $struct->structmem('mt_tb_ping_urls');
		if ($tblist && ($tblist->kindOf() == "array") && ($tblist->arraysize() > 0)) {
			
			for ($i = 0; $i < $tblist->arraysize(); $i++) {
				$trackbacks[] = _getArrayVal($tblist, $i);
			}
			
			$manager->notify('SendTrackback', array ('tb_id' => $itemid, 'urls' => & $trackbacks));
		}

		return $res;
	}

	// metaWeblog.newMediaObject
	$f_metaWeblog_newMediaObject_sig = array(array(
		//  return type
		$xmlrpcStruct,		// "url" element

		// params
		$xmlrpcString,		// blogid
		$xmlrpcString,		// username
		$xmlrpcString,		// password
		$xmlrpcStruct		// 'name', 'type' and 'bits'
	));
	$f_metaWeblog_newMediaObject_doc = 'Uploads a file to to the media library of the user';
	function f_metaWeblog_newMediaObject($m) {
		$blogid		= _getScalar($m, 0);
		$username	= _getScalar($m, 1);
		$password 	= _getScalar($m, 2);

		$struct		= $m->getParam(3);
			$name	= _getStructVal($struct, 'name');
			$type	= _getStructVal($struct, 'type');
			$bits	= _getStructVal($struct, 'bits');

		return _newMediaObject($blogid, $username, $password, array('name' => $name, 'type' => $type, 'bits' => $bits));
	}

	// metaWeblog.getRecentPosts
	$f_metaWeblog_getRecentPosts_sig = array(array(
		// return type
		$xmlrpcStruct,		// array of structs

		// params
		$xmlrpcString,		// blogid
		$xmlrpcString,		// username
		$xmlrpcString,		// password
		$xmlrpcInt			// number of posts
	));
	$f_metaWeblog_getRecentPosts_doc = 'Returns recent weblog items.';
	function f_metaWeblog_getRecentPosts($m) {
		$blogid		= _getScalar($m, 0);
		$username	= _getScalar($m, 1);
		$password 	= _getScalar($m, 2);
		$amount		= intval(_getScalar($m, 3));

		return _getRecentItemsMetaWeblog($blogid, $username, $password, $amount);
	}

	function _getRecentItemsMetaWeblog($blogid, $username, $password, $amount) {

		$blogid = intval($blogid);
		$amount = intval($amount);

		// 1. login
		$mem = new MEMBER();
		if (!$mem->login($username, $password))
			return _error(1,"Could not log in");

		// 2. check if allowed
		if (!BLOG::existsID($blogid))
			return _error(2,"No such blog ($blogid)");
		if (!$mem->teamRights($blogid))
			return _error(3,"Not a team member");
		$amount = intval($amount);
		if (($amount < 1) or ($amount > 20))
			return _error(5,"Amount parameter must be in range 1..20");

		// 3. create and return list of recent items
		// Struct returned has dateCreated, userid, blogid and content

		$blog = new BLOG($blogid);

		$structarray = array();		// the array in which the structs will be stored

		$query = "SELECT mname, ibody, imore, iauthor, ibody, inumber, ititle as title, itime, cname as category, iclosed"
			   .' FROM '.sql_table('item').', '.sql_table('category').', '.sql_table('member')
			   ." WHERE iblog=$blogid and icat=catid and iauthor=mnumber"
			   ." ORDER BY itime DESC"
			   ." LIMIT $amount";
		$r = sql_query($query);

		while ($row = sql_fetch_assoc($r)) {

			// remove linebreaks if needed
			if ($blog->convertBreaks()) {
				$row['ibody'] = removeBreaks($row['ibody']);
				$row['imore'] = removeBreaks($row['imore']);
			}

			$newstruct = new xmlrpcval(array(
				"dateCreated" => new xmlrpcval(iso8601_encode(strtotime($row['itime'])),"dateTime.iso8601"),
				"userid" => new xmlrpcval($row['iauthor'],"string"),
				"blogid" => new xmlrpcval($blogid,"string"),
				"postid" => new xmlrpcval($row['inumber'],"string"),
				"description" => new xmlrpcval($row['ibody'],"string"),
				"title" => new xmlrpcval($row['title'],"string"),
				"categories" => new xmlrpcval(
						array(
							new xmlrpcval($row['category'], "string")
						)
						,"array"),
				
						
				"mt_text_more" 		=> new xmlrpcval($row['imore'], "string"),
				"mt_allow_comments" => new xmlrpcval($row['iclosed'] ? 0 : 1, "int"),
				"mt_allow_pings" 	=> new xmlrpcval(1, "int")
			),'struct');

		//TODO: String link?
		//TODO: String permaLink?


			array_push($structarray, $newstruct);
		}

		return new xmlrpcresp(new xmlrpcval( $structarray , "array"));
	}

	function _newMediaObject($blogid, $username, $password, $info) {
		global $CONF, $DIR_MEDIA, $DIR_LIBS;

		// - login
		$mem = new MEMBER();
		if (!$mem->login($username, $password))
			return _error(1,'Could not log in');

		// - check if team member
		if (!BLOG::existsID($blogid))
			return _error(2,"No such blog ($blogid)");
		if (!$mem->teamRights($blogid))
			return _error(3,'Not a team member');

		$b = new BLOG($blogid);

		// - decode data
		$data = $info['bits']; // decoding was done transparantly by xmlrpclib

		// - check filesize
		if (strlen($data) > $CONF['MaxUploadSize'])
			return _error(9, 'filesize is too big');


		// - check if filetype is allowed (check filename)
		$filename = $info['name'];
		$ok = 0;
		$allowedtypes = explode (',', $CONF['AllowedTypes']);
		foreach ( $allowedtypes as $type )
		{
			//if (eregi("\." .$type. "$",$filename)) $ok = 1;
			if (preg_match("#\." .$type. "$#i",$filename)) $ok = 1;
		}
		if (!$ok)
			_error(8, 'Filetype is not allowed');

		// - add file to media library
		//include_once($DIR_LIBS . 'MEDIA.php');	// media classes
		include_libs('MEDIA.php',true,false);

		// always use private media library of member
		$collection = $mem->getID();

		// prefix filename with current date (YYYY-MM-DD-)
		// this to avoid nameclashes
		if ($CONF['MediaPrefix'])
			$filename = strftime("%Y%m%d-", time()) . $filename;

		$res = MEDIA::addMediaObjectRaw($collection, $filename, $data);
		if ($res)
			return _error(10, $res);

		// - return URL
		$urlstruct = new xmlrpcval(array(
			"url" => new xmlrpcval($CONF['MediaURL'] . $collection. '/' . $filename,'string')
		),'struct');

		return new xmlrpcresp($urlstruct);
	}

	function _categoryList($blogid, $username, $password) {
		// 1. login
		$mem = new MEMBER();
		if (!$mem->login($username, $password))
			return _error(1,"Could not log in");

		// check if on team and blog exists
		if (!BLOG::existsID($blogid))
			return _error(2,"No such blog ($blogid)");
		if (!$mem->teamRights($blogid))
			return _error(3,"Not a team member");

		$b = new BLOG($blogid);

		$categorystruct = array();

		$query =  "SELECT cname, cdesc, catid"
				. ' FROM '.sql_table('category')
				. " WHERE cblog=" . intval($blogid)
				. " ORDER BY cname";
		$r = sql_query($query);

		while ($obj = sql_fetch_object($r)) {

			$categorystruct[$obj->cname] = new xmlrpcval(
				array(
					"description" => new xmlrpcval($obj->cdesc,"string"),
					"htmlUrl" => new xmlrpcval($b->getURL() . "?catid=" . $obj->catid ,"string"),
					"rssUrl" => new xmlrpcval("","string")
				)
			,'struct');
		}


		return new xmlrpcresp(new xmlrpcval( $categorystruct , "struct"));

	}


	function _mw_getPost($itemid, $username, $password) {
		global $manager;

		// 1. login
		$mem = new MEMBER();
		if (!$mem->login($username, $password))
			return _error(1,"Could not log in");

		// 2. check if allowed
		if (!$manager->existsItem($itemid,1,1))
			return _error(6,"No such item ($itemid)");
		$blogid = getBlogIDFromItemID($itemid);
		if (!$mem->teamRights($blogid))
			return _error(3,"Not a team member");

		// 3. return the item
		$item =& $manager->getItem($itemid,1,1); // (also allow drafts and future items)

		$b = new BLOG($blogid);
		if ($b->convertBreaks()) {
			$item['body'] = removeBreaks($item['body']);
			$item['more'] = removeBreaks($item['more']);
		}

		$categoryname = $b->getCategoryName($item['catid']);

		$newstruct = new xmlrpcval(array(
			"dateCreated" => new xmlrpcval(iso8601_encode($item['timestamp']),"dateTime.iso8601"),
			"userid" => new xmlrpcval($item['authorid'],"string"),
			"blogid" => new xmlrpcval($blogid,"string"),
			"postid" => new xmlrpcval($itemid, "string"),
			"description" => new xmlrpcval($item['body'],"string"),
			"title" => new xmlrpcval($item['title'],"string"),
			"categories" => new xmlrpcval(
					array(
						new xmlrpcval($categoryname, "string")
					)
					,"array"),
				
			"mt_text_more" 		=> new xmlrpcval($item['more'], "string"),
			"mt_allow_comments" => new xmlrpcval($item['closed'] ? 0 : 1, "int"),
			"mt_allow_pings" 	=> new xmlrpcval(1, "int")
		),'struct');

		//TODO: add "String link" to struct?
		//TODO: add "String permaLink" to struct?

		return new xmlrpcresp($newstruct);

	}

	$functionDefs = array_merge($functionDefs,
		array(
			 "metaWeblog.newPost" =>
			 array(
				"function" => "f_metaWeblog_newPost",
				"signature" => $f_metaWeblog_newPost_sig,
				"docstring" => $f_metaWeblog_newPost_doc
			 ),

			 "metaWeblog.getCategories" =>
			 array(
				"function" => "f_metaWeblog_getCategories",
				"signature" => $f_metaWeblog_getCategories_sig,
				"docstring" => $f_metaWeblog_getCategories_doc
			 ),

			 "metaWeblog.getPost" =>
			 array(
				"function" => "f_metaWeblog_getPost",
				"signature" => $f_metaWeblog_getPost_sig,
				"docstring" => $f_metaWeblog_getPost_doc
			 ),

			 "metaWeblog.editPost" =>
			 array(
				"function" => "f_metaWeblog_editPost",
				"signature" => $f_metaWeblog_editPost_sig,
				"docstring" => $f_metaWeblog_editPost_doc
			 ),

			 'metaWeblog.newMediaObject' =>
			 array(
				'function' => 'f_metaWeblog_newMediaObject',
				'signature' => $f_metaWeblog_newMediaObject_sig,
				'docstring' => $f_metaWeblog_newMediaObject_doc
			 ),

			 'metaWeblog.getRecentPosts' =>
			 array(
				'function' => 'f_metaWeblog_getRecentPosts',
				'signature' => $f_metaWeblog_getRecentPosts_sig,
				'docstring' => $f_metaWeblog_getRecentPosts_doc
			 )

		)
	);
?>