/**
* Check if an angel can sign up for given shift.
*
* @param Shift $shift
* @param AngelType $angeltype
* @param array<Shift> $user_shifts
*/
function Shift_signup_allowed($shift, $angeltype, $user_angeltype = null, $user_shifts = null)
{
global $user, $privileges;
if ($user_shifts == null) {
$user_shifts = Shifts_by_user($user);
if ($user_shifts === false) {
engelsystem_error('Unable to load users shifts.');
}
}
$collides = Shift_collides($shift, $user_shifts);
if ($user_angeltype == null) {
$user_angeltype = UserAngelType_by_User_and_AngelType($user, $angeltype);
if ($user_angeltype === false) {
engelsystem_error('Unable to load user angeltype.');
}
}
$signed_up = false;
foreach ($user_shifts as $user_shift) {
if ($user_shift['SID'] == $shift['SID']) {
$signed_up = true;
break;
}
}
$needed_angeltypes = NeededAngelTypes_by_shift($shift['SID']);
if ($needed_angeltypes === false) {
engelsystem_error('Unable to load needed angel types.');
}
// is the shift still running or alternatively is the user shift admin?
$user_may_join_shift = true;
// you canot join if shift is full
foreach ($needed_angeltypes as $needed_angeltype) {
if ($needed_angeltype['angel_type_id'] == $angeltype['id']) {
if ($needed_angeltype['taken'] >= $needed_angeltype['count']) {
$user_may_join_shift = false;
}
break;
}
}
// you cannot join if user alread joined a parallel or this shift
$user_may_join_shift &= !$collides;
// you cannot join if you already singed up for this shift
$user_may_join_shift &= !$signed_up;
// you cannot join if user is not of this angel type
$user_may_join_shift &= $user_angeltype != null;
// you cannot join if you are not confirmed
if ($angeltype['restricted'] == 1 && $user_angeltype != null) {
$user_may_join_shift &= isset($user_angeltype['confirm_user_id']);
}
// you can only join if the shift is in future
$user_may_join_shift &= time() < $shift['start'];
// User shift admins may join anybody in every shift
$user_may_join_shift |= in_array('user_shifts_admin', $privileges);
return $user_may_join_shift;
}
function Shift_signup_button_render($shift, $angeltype, $user_angeltype = null, $user_shifts = null)
{
global $user;
if ($user_angeltype == null) {
$user_angeltype = UserAngelType_by_User_and_AngelType($user, $angeltype);
if ($user_angeltype === false) {
engelsystem_error('Unable to load user angeltype.');
}
}
if (Shift_signup_allowed($shift, $angeltype, $user_angeltype, $user_shifts)) {
return button(page_link_to('user_shifts') . '&shift_id=' . $shift['SID'] . '&type_id=' . $angeltype['id'], _('Sign up'));
} elseif ($user_angeltype == null) {
return button(page_link_to('angeltypes') . '&action=view&angeltype_id=' . $angeltype['id'], sprintf(_('Become %s'), $angeltype['name']));
} else {
return '';
}
}
/**
* User joining an Angeltype (Or Coordinator doing this for him).
*/
function user_angeltype_add_controller()
{
global $user, $privileges;
if (!isset($_REQUEST['angeltype_id'])) {
error(_("Angeltype doesn't exist."));
redirect(page_link_to('angeltypes'));
}
$angeltype = AngelType($_REQUEST['angeltype_id']);
if ($angeltype === false) {
engelsystem_error("Unable to load angeltype.");
}
if ($angeltype == null) {
error(_("Angeltype doesn't exist."));
redirect(page_link_to('angeltypes'));
}
if (User_is_AngelType_coordinator($user, $angeltype)) {
// Allow to add any user
$user_id = $user['UID'];
$users_source = Users_by_angeltype_inverted($angeltype);
if ($users_source === false) {
engelsystem_error("Unable to load users.");
}
if (isset($_REQUEST['submit'])) {
$ok = true;
if (isset($_REQUEST['user_id']) && in_array($_REQUEST['user_id'], array_map(function ($user) {
return $user['UID'];
}, $users_source))) {
$user_id = $_REQUEST['user_id'];
} else {
$ok = false;
error(_("Please select a user."));
}
if ($ok) {
foreach ($users_source as $user_source) {
if ($user_source['UID'] == $user_id) {
$user_angeltype_id = UserAngelType_create($user_source, $angeltype);
if ($user_angeltype_id === false) {
engelsystem_error("Unable to create user angeltype.");
}
engelsystem_log(sprintf("User %s added to %s.", User_Nick_render($user_source), AngelType_name_render($angeltype)));
success(sprintf(_("User %s added to %s."), User_Nick_render($user_source), AngelType_name_render($angeltype)));
$result = UserAngelType_confirm($user_angeltype_id, $user_source);
if ($result === false) {
engelsystem_error("Unable to confirm user angeltype.");
}
engelsystem_log(sprintf("User %s confirmed as %s.", User_Nick_render($user), AngelType_name_render($angeltype)));
redirect(page_link_to('angeltypes') . '&action=view&angeltype_id=' . $angeltype['id']);
}
}
}
}
return array(_("Add user to angeltype"), UserAngelType_add_view($angeltype, $users_source, $user_id));
} else {
// Allow only me
$user_angeltype = UserAngelType_by_User_and_AngelType($user, $angeltype);
if ($user_angeltype === false) {
engelsystem_error("Unable to load user angeltype.");
}
if ($user_angeltype != null) {
error(sprintf(_("You are already a %s."), $angeltype['name']));
redirect(page_link_to('angeltypes'));
}
if (isset($_REQUEST['confirmed'])) {
$user_angeltype_id = UserAngelType_create($user, $angeltype);
if ($user_angeltype_id === false) {
engelsystem_error("Unable to create user angeltype.");
}
$success_message = sprintf(_("You joined %s."), $angeltype['name']);
engelsystem_log(sprintf("User %s joined %s.", User_Nick_render($user), AngelType_name_render($angeltype)));
success($success_message);
if (in_array('admin_user_angeltypes', $privileges)) {
$result = UserAngelType_confirm($user_angeltype_id, $user);
if ($result === false) {
engelsystem_error("Unable to confirm user angeltype.");
}
engelsystem_log(sprintf("User %s confirmed as %s.", User_Nick_render($user), AngelType_name_render($angeltype)));
}
redirect(page_link_to('angeltypes') . '&action=view&angeltype_id=' . $angeltype['id']);
}
return array(sprintf(_("Become a %s"), $angeltype['name']), UserAngelType_join_view($user, $angeltype));
}
}
/**
* View details of a given angeltype.
*/
function angeltype_controller()
{
global $privileges, $user;
if (!in_array('angeltypes', $privileges)) {
redirect('?');
}
if (!isset($_REQUEST['angeltype_id'])) {
redirect(page_link_to('angeltypes'));
}
$angeltype = AngelType($_REQUEST['angeltype_id']);
if ($angeltype === false) {
engelsystem_error("Unable to load angeltype.");
}
if ($angeltype == null) {
redirect(page_link_to('angeltypes'));
}
$user_angeltype = UserAngelType_by_User_and_AngelType($user, $angeltype);
if ($user_angeltype === false) {
engelsystem_error("Unable to load user angeltype.");
}
$members = Users_by_angeltype($angeltype);
if ($members === false) {
engelsystem_error("Unable to load members.");
}
return array(sprintf(_("Team %s"), $angeltype['name']), AngelType_view($angeltype, $members, $user_angeltype, in_array('admin_user_angeltypes', $privileges) || $user_angeltype['coordinator'], in_array('admin_angel_types', $privileges), $user_angeltype['coordinator']));
}
