<?php

require_once XOOPS_TRUST_PATH . '/libs/xoonips/class/core/BeanBase.class.php';
require_once XOOPS_TRUST_PATH . '/libs/xoonips/class/Enum.class.php';

/**
 * @brief operate xoonips_index_item_link table
 *
 */
class Xoonips_IndexItemLinkBean extends Xoonips_BeanBase {
	private static $cache = array();
	/**
	 * Constructor
	 **/
	public function Xoonips_IndexItemLinkBean($dirname, $trustDirname) {
		$this->Xoonips_BeanBase($dirname, $trustDirname);
		$this->setTableName('index_item_link', true);
	}

	/**
	 * get index item link information by item id
	 *
	 * @param int $id :item_id
	 * @return array
	 */
	public function getIndexItemLinkInfo($item_id) {
		$sql = "SELECT * FROM $this->table WHERE item_id=" . $item_id;
		$result = $this->execute($sql);
		if (!$result) {
			return false;
		}
		$ret = array();
		while ($row = $this->fetchArray($result)) {
			$ret[] = $row;
			$this->cache[$row['index_id']][$row['item_id']] = $row;
		}
		$this->freeRecordSet($result);
		return $ret;
	}
	
	/**
	 * get index item link information by index id
	 *
	 * @param int $index_id :item_id
	 * @return array
	 */
	public function getIndexItemLinkInfo2($index_id) {
		$sql = "SELECT * FROM $this->table WHERE index_id=" . $index_id;
		$result = $this->execute($sql);
		if (!$result) {
			return false;
		}
		$ret = array();
		while ($row = $this->fetchArray($result)) {
			$ret[] = $row;
			$this->cache[$row['index_id']][$row['item_id']] = $row;
		}
		$this->freeRecordSet($result);
		return $ret;
	}

	/**
	 * get public index item link information by item id
	 *
	 * @param int $id :item_id
	 * @return array
	 */
	public function getPublicIndexItemLinkInfo($item_id) {
		global $xoopsDB;
		$indexTable = $xoopsDB->prefix($this->modulePrefix('index'));
		$sql = "SELECT a.* FROM $this->table a,$indexTable b WHERE a.item_id=" . $item_id;
		$sql .= " AND a.index_id=b.index_id and b.open_level=" . XOONIPS_OL_PUBLIC;
		$result = $this->execute($sql);
		if (!$result) {
			return false;
		}
		$ret = array();
		while ($row = $this->fetchArray($result)) {
			$ret[] = $row;
			$this->cache[$row['index_id']][$row['item_id']] = $row;
		}
		$this->freeRecordSet($result);
		return $ret;
	}

	/**
	 * get index item link information by item id and index id
	 *
	 * @param int $itemId :item id
	 * @param int $indexId :index id
	 * @return array
	 */
	public function getInfo($itemId, $indexId) {
		if (isset($this->cache[$indexId][$itemId])) {
			return $this->cache[$indexId][$itemId];
		}
		$sql = "SELECT * FROM $this->table WHERE item_id=$itemId and index_id=$indexId";
		$result = $this->execute($sql);
		if (!$result) {
			return false;
		}
		$ret = array();
		if  ($row = $this->fetchArray($result)) {
			$ret = $row;
			$this->cache[$row['index_id']][$row['item_id']] = $row;
		}
		return $ret;
	}

	/**
	 * get index item link information by index item id
	 *
	 * @param int $id :item_id
	 * @return array
	 */
	public function getIndexItemLinkInfoByIndexItemLinkId($indexItemLinkId) {
		$sql = "SELECT * FROM $this->table WHERE index_item_link_id=" . $indexItemLinkId;
		$result = $this->execute($sql);
		if (!$result) {
			return false;
		}
		$ret = array();
		if ($row = $this->fetchArray($result)) {
			$ret = $row;
			$this->cache[$row['index_id']][$row['item_id']] = $row;
		}
		$this->freeRecordSet($result);
		return $ret;
	}

	/**
	 * get item id  by index id
	 *
	 * @param int $id :index_id
	 * @return array
	 */
	public function getItemIdsByIndexId($id) {
		$ret = array();
		$sql = "SELECT item_id FROM $this->table WHERE index_id=" . $id;
		$result = $this->execute($sql);
		if (!$result) {
			return false;
		}
		while ($row = $this->fetchArray($result)) {
			$ret[] = $row['item_id'];
			$this->cache[$row['index_id']][$row['item_id']] = $row;
		}
		$this->freeRecordSet($result);
		return $ret;
	}

	/**
	 * delete by id
	 *
	 * @param  int $id:item_id
	 * @return  bool true:success,false:failed
	 */
	public function delete($id) {
		$sql = "DELETE FROM $this->table WHERE item_id=$id";
		$result = $this->execute($sql);
		if (!$result) {
			return false;
		}
		return true;
	}

	/**
	 * delete by id
	 *
	 * @param  int $indexId:index_id
	 * @return  bool true:success,false:failed
	 */
	public function deleteByIndexId($indexId) {
		$sql = "DELETE FROM $this->table WHERE index_id=$indexId";
		$result = $this->execute($sql);
		if (!$result) {
			return false;
		}
		return true;
	}

	/**
	 *  judge if the item is Pending
	 *
	 * @param  int $id:item_id
	 * @return  bool true:is Pending,false:not Pending
	 */
	public function isPending($itemId) {
		$sql = "SELECT item_id FROM $this->table";
		$sql = $sql . " WHERE item_id = $itemId AND (certify_state=" . XOONIPS_CERTIFY_REQUIRED;
		$sql = $sql . ' OR certify_state=' . XOONIPS_WITHDRAW_REQUIRED . ')';
		if (($result = $this->execute($sql)) && $this->getRowsNum($result) > 0) {
			return true;
		}
		return false;
	}

	/**
	 * get index item link (except certify_state=3)
	 *
	 * @param string $indexIds :index_ids
	 * @return array
	 */
	public function exceptWithDraw($indexIds, $itemId) {
		$ret = array();
		$sql = "SELECT DISTINCT index_id FROM $this->table WHERE index_id IN ( $indexIds ) AND";
		$sql = $sql . " item_id=$itemId AND certify_state<>" . XOONIPS_WITHDRAW_REQUIRED;
		$result = $this->execute($sql);
		if (!$result) {
			return $ret;
		}
		while ($row = $this->fetchArray($result)) {
			$ret[] = $row['index_id'];
		}
		$this->freeRecordSet($result);
		return $ret;
	}

	/**
	 * insert
	 *
	 * @param  int $indexId:index_id,$itemId:item_id,$certifyState:certify_state
	 * @return  bool true:success,false:failed
	 */
	public function insert($indexId, $itemId, $certifyState, &$indexItemLinkId = 0) {
		$sql = "INSERT INTO $this->table (index_id, item_id, certify_state) ";
		$sql = $sql . "VALUES ($indexId, $itemId, $certifyState)";
		$result = $this->execute($sql);
		if (!$result) {
			return false;
		}
		$indexItemLinkId = $this->getInsertId();
		return true;
	}

	/**
	 * update
	 *
	 * @param  int $indexId:index_id,$itemId:item_id,$certifyState:certify_state
	 * @return  bool true:success,false:failed
	 */
	public function update($indexId, $itemId, $certifyState) {
		$sql = "UPDATE $this->table SET certify_state=$certifyState WHERE index_id=$indexId AND item_id=$itemId";
		$result = $this->execute($sql);
		if (!$result) {
			return false;
		}
		return true;
	}

	/**
	 * deleteByid
	 *
	 * @param  int $indexId:index_id,$itemId:item_id
	 * @return  bool true:success,false:failed
	 */
	public function deleteByid($indexId, $itemId) {
		$sql = "DELETE FROM $this->table WHERE index_id=$indexId AND item_id=$itemId";
		$result = $this->execute($sql);
		if (!$result) {
			return false;
		}
		return true;
	}

	/**
	 * deletePrivateIndex
	 *
	 * @param  $itemId:item_id
	 * @return  bool true:success,false:failed
	 */
	public function deletePrivateIndex($itemId) {
		$sql = "DELETE FROM $this->table WHERE item_id=$itemId AND certify_state=" . XOONIPS_NOT_CERTIFIED;
		$result = $this->execute($sql);
		if (!$result) {
			return false;
		}
		return true;
	}

	/**
	 * is linked to user index
	 *
	 * @param int $item_id :item_id
	 *         int $uid:user id
	 * @return bool:true-yes,false-no
	 */
	private function isLinked2UserIndex($item_id, $uid) {
		$ret = false;
		$tblIndex = $this->prefix($this->modulePrefix('index'));
		$sql = "SELECT a.index_id FROM $this->table a, $tblIndex b ";
		$sql = $sql . " WHERE a.index_id=b.index_id AND a.item_id=$item_id";
		$sql = $sql . ' AND b.open_level=' . XOONIPS_OL_PRIVATE . " AND b.uid=$uid ";
		$result = $this->execute($sql);
		if (!$result) {
			return false;
		}
		if ($row = $this->fetchArray($result)) {
			$ret = true;
		}
		$this->freeRecordSet($result);
		return $ret;
	}

	/**
	 * get index item link information by id
	 *
	 * @param int $id :item_id
	 * @return bool
	 */
	public function Link2UserRootIndex($item_id, $uid) {
		$indexBean = Xoonips_BeanFactory::getBean('IndexBean', $this->dirname, $this->trustDirname);
		if ($this->isLinked2UserIndex($item_id, $uid) == false) {
			$index = $indexBean->getPrivateIndex($uid);
			return $this->insert($index['index_id'], $item_id, XOONIPS_NOT_CERTIFIED);
		}
		return true;
	}

	/**
	 * get item linked pubic and public group index
	 *
	 * @param int $item_id :item id
	 * @return array
	 */
	public function getOpenIndexIds($item_id) {
		$ret = array();
		$tblIndex = $this->prefix($this->modulePrefix('index'));
		$tblGroup = $this->prefix('groups');
		$sql = "SELECT a.index_id FROM ($this->table a";
		$sql = $sql . " LEFT JOIN $tblIndex b ON(a.index_id=b.index_id))";
		$sql = $sql . " LEFT JOIN $tblGroup c ON(b.groupid=c.groupid)";
		$sql = $sql . " WHERE a.item_id=$item_id AND (a.certify_state=" . XOONIPS_CERTIFIED;
		$sql = $sql . ' OR a.certify_state=' . XOONIPS_WITHDRAW_REQUIRED . ')';
		$sql = $sql . ' AND (b.open_level=' . XOONIPS_OL_PUBLIC;
		$sql = $sql . ' OR (b.open_level=' . XOONIPS_OL_GROUP_ONLY;
		$sql = $sql . ' AND (c.activate=' . Xoonips_Enum::GRP_PUBLIC ;
		$sql = $sql . ' OR c.activate=' . Xoonips_Enum::GRP_CLOSE_REQUIRED . ')))';
		$sql = $sql . ' ORDER BY a.index_id';
		$result = $this->execute($sql);
		if (!$result) {
			return false;
		}
		while ($row = $this->fetchArray($result)) {
			$ret[] = $row['index_id'];
		}
		$this->freeRecordSet($result);
		return $ret;
	}

	/**
	 * get item linked pubic and public group index
	 *
	 * @param array $newIndexIds :new open index ids
	 *     	   array $oldIndexIds :old open index ids
	 * @return array
	 *          [1]:public change
	 *          [2]:public cancel
	 */
	public function compareOpenIndex($newIndexIds, $oldIndexIds) {
		$ret = array(1 => false, 2 => false);
		if ($newIndexIds === false || $oldIndexIds === false) {
			return false;
		}
		if (count($oldIndexIds) > 0) {
			// public cancle
			if (count($newIndexIds) == 0) {
				$ret[2] = true;
				return $ret;
			}
			// public change
			foreach ($oldIndexIds as $key => $value) {
				if (!isset($newIndexIds[$key]) || $value != $newIndexIds[$key]) {
					$ret[1] = true;
					return $ret;
				}
			}
		} elseif (count($newIndexIds) > 0) {
			$ret[1] = true;
			return $ret;
		}
		return $ret;
	}
  
  /**
	 * updateIndexid
	 *
	 * @param  int $indexId:index_id,$itemId:item_id,$certifyState:certify_state
	 * @return  bool true:success,false:failed
	 */
  public function updateIndexid($indexId, $itemId, $certifyState, $indexItemLinkId) {
    $sql = "UPDATE ".$this->table." SET index_id = ${indexId} ,certify_state = ${certifyState},item_id = ${itemId} where index_item_link_id = $indexItemLinkId";
		$result = $this->execute($sql);
		if (!$result) {
			return false;
		}
		return true;
	} 
}
