/*
 * This file is a part of Winix
 * and is not publicly distributed
 * 
 * Copyright (c) 2008-2009, Tomasz Sowa
 * All rights reserved.
 * 
 */
 
#include "content.h"
#include "../core/request.h"
#include "../core/misc.h"
#include "../core/db.h"





// returning true if the 'url' has to be changed
bool Content::ReadItemUrlSubject(Item & item, Item::Type item_type)
{
	bool with_url = false;

	std::string * new_url     = request.PostVar("url");
	std::string * new_subject = request.PostVar("subject");

	if( item_type == Item::file )
	{
		if( !request.is_item || (new_url && *new_url != item.url) )
			with_url = true;
	}
	else
	{
		with_url = true;
	}


	if( new_url )
		item.url = *new_url;

	if( new_subject )
		item.subject = *new_subject;


	if( item.subject.empty() )
	{
		item.subject = request.dir_table.back()->subject;
		item.subject += "_msg_";
		item.subject += ToStr(db.Size(request.dir_table.back()->id, Item::file));
	}

	// if item.url is empty then it will be set from item.subject
	PrepareUrl(item);

return with_url;
}


void Content::ReadItemContentWithType(Item & item)
{
	item.content_type = Item::ct_formatted_text; // default is formatted text
	request.PostVar("itemcontent", request.item.content);
	request.PostVar("contenttype", temp);
	
	// ct_text and ct_formatted_text can use everyone

	if( temp == "0" )
		item.content_type = Item::ct_text;
	else
	if( temp == "1" )
		item.content_type = Item::ct_formatted_text;


	// those below need special privileges

	if( !request.session->puser )
		return;

	long user_id = request.session->puser->id;


	if( temp == "2" )
	{
		if( request.CanUseHtml(user_id) )
			item.content_type = Item::ct_html;
	}
	else
	if( temp == "3" )
	{
		if( request.CanUseBBCode(user_id) )
			item.content_type = Item::ct_bbcode;
	}
	else
	if( temp == "4" )
	{
		if( request.CanUseRaw(user_id) )
			item.content_type = Item::ct_raw;
	}
}




// item_type - the type of an item you are expecting to read
// returns true if the url has to be changed
// at the moment this is only checked for Item::file - for Item::dir it returns always true
bool Content::ReadItem(Item & item, Item::Type item_type)
{
	if( item_type == Item::none )
		return false;

	item.type      = item_type;
	item.parent_id = request.dir_table.back()->id;

	bool edit_with_url = ReadItemUrlSubject(item, item_type);

	SetUser(item);

	if( item_type == Item::file )
		ReadItemContentWithType(item);

return edit_with_url;
}



// if we don't have access we only remove the item from the table
void Content::CheckAccessToItems()
{
size_t i = 0;

	while( i < request.item_table.size() )
	{
		if( !request.HasReadAccess(request.item_table[i]) )
		{
			request.item_table.erase(request.item_table.begin() + i);
		}
		else
		{
			i += 1;
		}
	}
}