/*
 * This file is a part of CMSLU -- Content Management System like Unix
 * and is not publicly distributed
 * 
 * Copyright (c) 2008-2009, Tomasz Sowa
 * All rights reserved.
 * 
 */
 
#include "content.h"
#include "../core/request.h"
#include "../core/error.h"
#include "../core/db.h"
#include "../core/data.h"



void Content::FunRmDirRecursive()
{
	data.dirs.MakePath(request.dir_table.back()->id, request.session->dir_old);
	
	// this method deletes recursively all directories
	data.dirs.DeleteDir(request.dir_table.back()->id);
	
	request.dir_table.erase(--request.dir_table.end());
	
	if( request.dir_table.empty() )
	{
		// we have deleted the root directory
		
		data.dirs.CheckRootDir();

		Item * proot = data.dirs.GetRootDir();
		
		if( proot )			
			request.dir_table.push_back(proot);
		else
			// there is no a root dir
			// CheckRootDir() didn't add the root dir (probably problem with the database)
			// make sure that Content::Make() will check that the dir_table is empty and returns
			return;
	}
	
	
	request.session->done        = Done::deleted_dir;
	request.session->done_status = Error::ok;
	request.session->done_timer  = 2;
	
	// redirect to the last valid directory
	RedirectTo(**(--request.dir_table.end()));
}


void Content::FunRmDir()
{
	if( request.dir_table.size() == 1 )
	{
		// rm for the root dir
		// only the superuser can do it
		if( !request.session->puser || !request.session->puser->super_user )
		{
			request.status = Error::permision_denied;
			return;
		}
	}
	else
	{
		Item * last_but_one_dir = *(--(--request.dir_table.end()));

		if( !request.HasWriteAccess(*last_but_one_dir) )
		{
			request.status = Error::permision_denied;
			return;
		}
	}
	
	
	if( request.param_table.empty() )
		request.status = Error::permision_denied;
	else
	if( request.IsParam("confirm") )
		return;		
	else	
	if( request.IsParam("r") )
		FunRmDirRecursive();
	else
		request.status = Error::unknown_param;
}


void Content::FunRm()
{
	if( !request.is_item )
	{
		FunRmDir();
		return;
	}

	if( !request.HasWriteAccess(*request.dir_table.back()) )
	{
		request.status = Error::permision_denied;
		return;
	}
	

	if( request.param_table.empty() )
	{
		// we'll put some information about the deleted item (on the next page)
		request.session->item = request.item;

		// !! zmienic interfejs dla db.DelItem
		if( db.DelItem( request.item ) )
		{
			request.session->done_status = Error::ok;
			log << log2 << "Content: deleted item: subject: " << request.item.subject << ", id: " << request.item.id << logend;
			TemplatesFunctions::pattern_cacher.DeletePattern(request.item);
		}
		else
		{
			request.session->done_status = Error::db_no_item;
		}

		request.session->done = Done::deleted_item;

		RedirectTo(*request.dir_table.back());
		request.session->done_timer = 2;
	}
	else
	{
		if( !request.IsParam("confirm") )
			//request.result = Request::err404;	
			request.status = Error::unknown_param;
	}
}