/**
* Control access to memberships.
*
* @param string $op
* The membership operation.
* @param MembershipEntity $membership
* The membership object. NULL if $op is 'join'.
* @param object $account
* The loaded user account object. Defaults to logged in user.
*
* @return bool
* TRUE if $account as permission for $op.
*/
function hook_membership_entity_access($op, $membership = NULL, $account = NULL)
{
$user = isset($account) ? $account : $GLOBALS['user'];
// Join page access.
if ($op == 'join') {
$type = str_replace('-', '_', $membership);
// Check if a membership already exists for this user.
$exists = (bool) db_query('SELECT mid FROM {membership_entity} WHERE uid = :uid AND uid <> 0 AND type = :type', array(':uid' => $user->uid, ':type' => $type))->rowCount();
if (!$exists && user_access("{$type} join", $user)) {
return TRUE;
}
return FALSE;
}
if (isset($membership) && ($type_name = $membership->type)) {
if (user_access("{$type_name} {$op} any membership", $user)) {
return TRUE;
}
if (user_access("{$type_name} {$op} own membership", $user) && $membership->uid == $user->uid) {
return TRUE;
}
// Secondary member access.
$results = db_query('SELECT mid FROM {membership_entity_secondary_member} WHERE uid = :uid', array(':uid' => $user->uid))->fetchAllAssoc('mid');
if (!empty($results) && in_array($membership->mid, array_keys($results))) {
// Can secondary members edit the membership?
$bundle_settings = membership_entity_get_bundle_settings($type_name);
if ($op == 'edit' && $bundle_settings['all_edit'] && user_access("{$type} edit own membership", $user)) {
return TRUE;
}
// Can secondary members view the membership?
if ($op == 'view' && user_access("{$type} view own membership", $user)) {
return TRUE;
}
}
}
}
/**
* Alter a membership term start date before it is saved.
*
* Membership term start dates default to when the term is created. This hook
* allows you to apply special rules when calculating the start date.
*
* @param DateObject $start
* The start date. Timezone is UTC. Defaults to now.
* @param MembershipEntityTerm $term
* The full membership term object.
*/
function hook_membership_entity_term_start_date_alter(&$start, $term)
{
// Determine the renewal start date.
if (!empty($term->is_renewal)) {
$membership = membership_entity_load($term->mid);
$bundle_settings = membership_entity_get_bundle_settings($membership->type);
$latest_term = end($membership->terms);
if (!empty($latest_term)) {
$grace = new DateObject($latest_term->end, 'UTC');
// Check for grace period.
if (preg_match(MEMBERSHIP_ENTITY_TERM_LENGTH_REGEX, $bundle_settings['grace_period'])) {
$grace = _membership_entity_term_modify_date($grace, $bundle_settings['grace_period']);
}
// If the renewal is within the grace period there is no lapse in
// membership terms. The new term starts when the old term ended.
if ($grace > $start) {
$start = new DateObject($latest_term->end, 'UTC');
}
}
}
}
