<?
IncludeModuleLangFile(__FILE__);
$GLOBALS["BLOG_USER_GROUP_PERMS"] = Array();

class CAllBlogUserGroupPerms
{
	/*************** ADD, UPDATE, DELETE *****************/
	function CheckFields($ACTION, &$arFields, $ID = 0)
	{
		if ((is_set($arFields, "BLOG_ID") || $ACTION=="ADD") && IntVal($arFields["BLOG_ID"]) <= 0)
		{
			$GLOBALS["APPLICATION"]->ThrowException(GetMessage("BLG_GUGP_EMPTY_BLOG_ID"), "EMPTY_BLOG_ID");
			return false;
		}
		elseif (is_set($arFields, "BLOG_ID"))
		{
			$arResult = CBlog::GetByID($arFields["BLOG_ID"]);
			if (!$arResult)
			{
				$GLOBALS["APPLICATION"]->ThrowException(str_replace("#ID#", $arFields["BLOG_ID"], GetMessage("BLG_GUGP_ERROR_NO_BLOG")), "ERROR_NO_BLOG");
				return false;
			}
		}

		if ((is_set($arFields, "USER_GROUP_ID") || $ACTION=="ADD") && IntVal($arFields["USER_GROUP_ID"]) <= 0)
		{
			$GLOBALS["APPLICATION"]->ThrowException(GetMessage("BLG_GUGP_EMPTY_USER_GROUP_ID"), "EMPTY_USER_GROUP_ID");
			return false;
		}
		elseif (is_set($arFields, "USER_GROUP_ID"))
		{
			$arResult = CBlogUserGroup::GetByID($arFields["USER_GROUP_ID"]);
			if (!$arResult)
			{
				$GLOBALS["APPLICATION"]->ThrowException(str_replace("#ID#", $arFields["USER_GROUP_ID"], GetMessage("BLG_GUGP_ERROR_NO_USER_GROUP")), "ERROR_NO_USER_GROUP");
				return false;
			}
		}

		if ((is_set($arFields, "PERMS_TYPE") || $ACTION=="ADD") && $arFields["PERMS_TYPE"] != BLOG_PERMS_POST && $arFields["PERMS_TYPE"] != BLOG_PERMS_COMMENT)
		{
			$GLOBALS["APPLICATION"]->ThrowException(GetMessage("BLG_GUGP_EMPTY_PERMS_TYPE"), "EMPTY_PERMS_TYPE");
			return false;
		}

		if ((is_set($arFields, "PERMS") || $ACTION=="ADD") && strlen($arFields["PERMS"]) <= 0)
		{
			$GLOBALS["APPLICATION"]->ThrowException(GetMessage("BLG_GUGP_EMPTY_PERMS"), "EMPTY_PERMS");
			return false;
		}
		elseif (is_set($arFields, "PERMS"))
		{
			$arAvailPerms = array_keys($GLOBALS["AR_BLOG_PERMS"]);
			if (!in_array($arFields["PERMS"], $arAvailPerms))
			{
				$GLOBALS["APPLICATION"]->ThrowException(str_replace("#ID#", $arFields["PERMS"], GetMessage("BLG_GUGP_ERROR_NO_PERMS")), "ERROR_NO_PERMS");
				return false;
			}
		}

		if ((is_set($arFields, "AUTOSET") || $ACTION=="ADD") && $arFields["AUTOSET"] != "Y" && $arFields["AUTOSET"] != "N")
			$arFields["AUTOSET"] = "N";

		return True;
	}

	function __AutoSetPerms($ID)
	{
		$ID = IntVal($ID);

		$arGroupPerms = CBlogUserGroupPerms::GetByID($ID);
		if (IntVal($arGroupPerms["POST_ID"]) == 0)
		{
			$dbBlogPosts = CBlogPost::GetList(
				array(),
				array("BLOG_ID" => $arGroupPerms["BLOG_ID"]),
				false,
				false,
				array("ID")
			);
			while ($arBlogPosts = $dbBlogPosts->Fetch())
			{
				$dbGroupPerms1 = CBlogUserGroupPerms::GetList(
					array(),
					array(
						"BLOG_ID" => $arGroupPerms["BLOG_ID"],
						"USER_GROUP_ID" => $arGroupPerms["USER_GROUP_ID"],
						"PERMS_TYPE" => $arGroupPerms["PERMS_TYPE"],
						"POST_ID" => $arBlogPosts["ID"]
					),
					false,
					false,
					array("ID", "AUTOSET", "PERMS")
				);
				if ($arGroupPerms1 = $dbGroupPerms1->Fetch())
				{
					if ($arGroupPerms1["AUTOSET"] == "Y"
						&& $arGroupPerms["PERMS"] != $arGroupPerms1["PERMS"])
					{
						CBlogUserGroupPerms::Update(
							$arGroupPerms1["ID"],
							array("PERMS" => $arGroupPerms["PERMS"])
						);
					}
				}
				else
				{
					CBlogUserGroupPerms::Add(
						array(
							"BLOG_ID" => $arGroupPerms["BLOG_ID"],
							"USER_GROUP_ID" => $arGroupPerms["USER_GROUP_ID"],
							"PERMS_TYPE" => $arGroupPerms["PERMS_TYPE"],
							"POST_ID" => $arBlogPosts["ID"],
							"PERMS" => $arGroupPerms["PERMS"],
							"AUTOSET" => "Y"
						)
					);
				}
			}
		}
	}

	public static function Delete($ID)
	{
		global $DB;

		$ID = IntVal($ID);

		$arGroupPerms = CBlogUserGroupPerms::GetByID($ID);
		if (IntVal($arGroupPerms["POST_ID"]) == 0)
		{
			$dbResult = CBlogUserGroupPerms::GetList(
				array(),
				array(
					"BLOG_ID" => $arGroupPerms["BLOG_ID"],
					"USER_GROUP_ID" => $arGroupPerms["USER_GROUP_ID"],
					"PERMS_TYPE" => $arGroupPerms["PERMS_TYPE"],
					"!POST_ID" => 0,
					"AUTOSET" => "Y"
				),
				false,
				false,
				array("ID")
			);
			while ($arResult = $dbResult->Fetch())
				CBlogUserGroupPerms::Delete($arResult["ID"]);
		}

		unset($GLOBALS["BLOG_USER_GROUP_PERMS"]["BLOG_USER_GROUP_PERMS_CACHE_".$ID]);

		return $DB->Query("DELETE FROM b_blog_user_group_perms WHERE ID = ".$ID."", true);
	}

	//*************** SELECT *********************/
	function GetByID($ID)
	{
		global $DB;

		$ID = IntVal($ID);

		if (isset($GLOBALS["BLOG_USER_GROUP_PERMS"]["BLOG_USER_GROUP_PERMS_CACHE_".$ID]) && is_array($GLOBALS["BLOG_USER_GROUP_PERMS"]["BLOG_USER_GROUP_PERMS_CACHE_".$ID]) && is_set($GLOBALS["BLOG_USER_GROUP_PERMS"]["BLOG_USER_GROUP_PERMS_CACHE_".$ID], "ID"))
		{
			return $GLOBALS["BLOG_USER_GROUP_PERMS"]["BLOG_USER_GROUP_PERMS_CACHE_".$ID];
		}
		else
		{
			$strSql =
				"SELECT GP.ID, GP.BLOG_ID, GP.USER_GROUP_ID, GP.PERMS_TYPE, GP.POST_ID, ".
				"	GP.PERMS, GP.AUTOSET ".
				"FROM b_blog_user_group_perms GP ".
				"WHERE GP.ID = ".$ID."";
			$dbResult = $DB->Query($strSql, False, "File: ".__FILE__."<br>Line: ".__LINE__);
			if ($arResult = $dbResult->Fetch())
			{
				$GLOBALS["BLOG_USER_GROUP_PERMS"]["BLOG_USER_GROUP_PERMS_CACHE_".$ID] = $arResult;
				return $arResult;
			}
		}

		return False;
	}
}
?>