/**
* Check whether the given policy is valid for the given community and user.
*
* @param CommunityDao $communityDao community DAO
* @param null|UserDao $userDao user DAO
* @param int $policy policy
* @return bool true if the given policy is valid for the given community and user
* @throws Zend_Exception
*/
public function policyCheck($communityDao, $userDao = null, $policy = MIDAS_POLICY_READ)
{
if (!$communityDao instanceof CommunityDao || !is_numeric($policy)) {
throw new Zend_Exception('Error in param: communityDao should be a CommunityDao and policy should be numeric.');
}
if ($userDao == null) {
$userId = -1;
} elseif (!$userDao instanceof UserDao) {
throw new Zend_Exception('Should be an user.');
} else {
$userId = $userDao->getUserId();
if ($userDao->isAdmin()) {
return true;
}
}
$privacy = $communityDao->getPrivacy();
switch ($policy) {
case MIDAS_POLICY_READ:
if ($privacy != MIDAS_COMMUNITY_PRIVATE) {
return true;
} elseif ($userId == -1) {
return false;
} else {
$user_groups = $userDao->getGroups();
$member_group = $communityDao->getMemberGroup();
foreach ($user_groups as $group) {
if ($group->getKey() == $member_group->getKey()) {
return true;
}
}
$invitations = $userDao->getInvitations();
foreach ($invitations as $invitation) {
if ($invitation->getCommunityId() == $communityDao->getKey()) {
return true;
}
}
return false;
}
break;
case MIDAS_POLICY_WRITE:
if ($userId == -1) {
return false;
} else {
$user_groups = $userDao->getGroups();
$moderator_group = $communityDao->getModeratorGroup();
$admin_group = $communityDao->getAdminGroup();
foreach ($user_groups as $group) {
if ($group->getKey() == $moderator_group->getKey() || $group->getKey() == $admin_group->getKey()) {
return true;
}
}
return false;
}
break;
case MIDAS_POLICY_ADMIN:
if ($userId == -1) {
return false;
} else {
$user_groups = $userDao->getGroups();
$admin_group = $communityDao->getAdminGroup();
foreach ($user_groups as $group) {
if ($group->getKey() == $admin_group->getKey()) {
return true;
}
}
return false;
}
break;
default:
return false;
}
}
/**
* Get items shared to the given community.
*
* @param CommunityDao $communityDao
* @param int $limit
* @return array
* @throws Zend_Exception
*/
public function getSharedToCommunity($communityDao, $limit = 20)
{
$groupId = $communityDao->getMemberGroup()->getKey();
if (!is_numeric($groupId)) {
throw new Zend_Exception('Error in parameter groupId when getting items shared to community.');
}
$sql = $this->database->select()->setIntegrityCheck(false)->from(array('i' => 'item'))->join(array('p' => 'itempolicygroup'), 'i.item_id = p.item_id', array('p.policy', 'policy_date' => 'p.date'))->where('group_id = ? ', $groupId)->order(array('p.date DESC'))->limit($limit);
$rowset = $this->database->fetchAll($sql);
$results = array();
foreach ($rowset as $row) {
$tmp = $this->initDao('Item', $row);
$tmp->policy = $row['policy'];
$tmp->policy_date = $row['policy_date'];
$results[] = $tmp;
}
return $results;
}
