/*
 * 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 <sys/types.h>
#include <sys/stat.h>
#include <cstdio>
#include <errno.h>
#include "content.h"
#include "../core/request.h"
#include "../core/data.h"
#include "../core/misc.h"




bool Content::FunUploadCheckAccess()
{
	if( request.is_item || !request.CanUseUpload(*request.dir_table.back()) )
	{
		request.status = Error::permission_denied;
		return false;
	}


return true;
}



bool Content::UploadCreatePath(std::string & path)
{
	if( !request.MakePath(path, true) )
	{
		request.status = Error::permission_denied;
		return false;
	}

return true;
}




void Content::UploadSaveFile(const std::string & tmp_filename, const std::string & destination)
{
	if( rename(tmp_filename.c_str(), destination.c_str()) == 0 )
	{	
		log << log1 << "Content: uploaded a new file: " << destination << logend;
	}
	else
	{
		int err = errno;

		// !! skasowac takze plik z bazy danych?
		log << log1 << "Content: can't move the tmp file from: " << tmp_filename << ", to: " << destination << ", ";
		log.SystemErr(err);
		log << logend;

		request.status = Error::permission_denied;
	}
}



bool Content::FunUploadCheckAbuse()
{
	if( !CheckRebus() )
	{
		request.status = Error::incorrect_rebus;
		request.session->done = Done::added_thread;
		request.session->done_status = Error::incorrect_rebus;
		
		return false;
	}

	CheckGetPostTimes(4);

	if( request.session->spam_score > 0 )
	{
		request.status = Error::spam;
		request.session->done = Done::added_thread;
		request.session->done_status = Error::spam;
		
		log << log1 << "Content: ignoring due to suspected spamming" << logend;
		return false;
	}

return true;
}






void Content::UploadMulti()
{
	request.item.Clear(); // clearing and setting date
	request.item.parent_id = request.dir_table.back()->id;
	request.item.type = Item::file;
	request.item.privileges = 0644; // !! tymczasowo
	SetUser(request.item);

	PostFileTable::iterator i = request.post_file_table.begin();

	for( ; i != request.post_file_table.end() ; ++i)
	{
		const char * file_name = i->second.filename.c_str();

		request.item.subject     = file_name;
		request.item.url         = file_name;
		request.item.static_auth = SelectFileType(file_name);

		PrepareUrl(request.item);
		PostFunEmacsAdd(); // always adding a new item

		if(	!UploadCreatePath(tmp_path) )
			return;

		if( request.session->done_status == Error::ok )
			UploadSaveFile(i->second.tmp_filename, tmp_path);
	}

	RedirectToLastDir();
}


void Content::UploadSingle()
{
	std::string * new_subject = request.PostVar("subject");
	std::string * new_url     = request.PostVar("url");
	bool has_subject = (new_subject && (*new_subject)[0] != 0 );
	bool has_url     = (new_url && (*new_url)[0] != 0 );

	ReadItem(request.item, Item::file); // ReadItem() changes the url if it is empty
	request.item.privileges = 0644; // !! tymczasowo

	const char * file_name = request.post_file_table.begin()->second.filename.c_str();
	request.item.static_auth = SelectFileType(file_name);

	if( !has_subject )
		request.item.subject = file_name;

	if( !has_url )
	{
		request.item.url = file_name;
		PrepareUrl(request.item);
	}
	
	PostFunEmacsAdd(); // always adding a new item


	if( request.session->done_status == Error::ok )
	{
		const std::string & tmp_filename = request.post_file_table.begin()->second.tmp_filename;

		if( !UploadCreatePath(tmp_path) )
			return;

		UploadSaveFile(tmp_filename, tmp_path);
	}


	if( request.session->done_status == Error::ok )
	{
		if( !request.IsParam("ckeditor_upload") )
			RedirectTo(request.item);
	}
}



// !! dodac usuwanie plikow statycznych przez rm
void Content::PostFunUpload()
{
	if( !FunUploadCheckAccess() )
		return;

	if( request.post_file_table.empty() )
	{
		request.status = Error::permission_denied;
		return;
	}

	if( !FunUploadCheckAbuse() )
		return;

	if( request.post_file_table.size() > 1 )
		UploadMulti();
	else
		UploadSingle();
}		



void Content::FunUpload()
{
	FunUploadCheckAccess();
}