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path: root/includes/pages/user_shifts.php
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<?php
use Engelsystem\ShiftsFilter;

function shifts_title() {
  return _("Shifts");
}

/**
 * Start different controllers for deleting shifts and shift_entries, edit shifts and add shift entries.
 * FIXME:
 * Transform into shift controller and shift entry controller.
 * Split actions into shift edit, shift delete, shift entry edit, shift entry delete
 * Introduce simpler and beautiful actions for shift entry join/leave for users
 */
function user_shifts() {
  global $user;
  
  if (User_is_freeloader($user)) {
    redirect(page_link_to('user_myshifts'));
  }
  
  // Löschen einzelner Schicht-Einträge (Also Belegung einer Schicht von Engeln) durch Admins
  if (isset($_REQUEST['entry_id'])) {
    return shift_entry_delete_controller();
  } elseif (isset($_REQUEST['edit_shift'])) {
    return shift_edit_controller();
  } elseif (isset($_REQUEST['delete_shift'])) {
    return shift_delete_controller();
  } elseif (isset($_REQUEST['shift_id'])) {
    return shift_entry_add_controller();
  }
  return view_user_shifts();
}

/**
 * Helper function that updates the start and end time from request data.
 * Use update_ShiftsFilter().
 *
 * @param ShiftsFilter $shiftsFilter
 *          The shiftfilter to update.
 */
function update_ShiftsFilter_timerange(ShiftsFilter $shiftsFilter, $days) {
  $start_time = $shiftsFilter->getStartTime();
  if ($start_time == null) {
    $start_time = time();
  }
  
  $end_time = $shiftsFilter->getEndTime();
  if ($end_time == null) {
    $end_time = $start_time + 24 * 60 * 60;
  }
  
  $shiftsFilter->setStartTime(check_request_datetime('start_day', 'start_time', $days, $start_time));
  $shiftsFilter->setEndTime(check_request_datetime('end_day', 'end_time', $days, $end_time));
  
  if ($shiftsFilter->getStartTime() > $shiftsFilter->getEndTime()) {
    $shiftsFilter->setEndTime($shiftsFilter->getStartTime() + 24 * 60 * 60);
  }
}

/**
 * Update given ShiftsFilter with filter params from user input
 *
 * @param ShiftsFilter $shiftsFilter
 *          The shifts filter to update from request data
 * @param boolean $user_shifts_admin
 *          Has the user user_shift_admin privilege?
 * @param string[] $days
 *          An array of available filter days
 */
function update_ShiftsFilter(ShiftsFilter $shiftsFilter, $user_shifts_admin, $days) {
  $shiftsFilter->setUserShiftsAdmin($user_shifts_admin);
  $shiftsFilter->setFilled(check_request_int_array('filled', $shiftsFilter->getFilled()));
  $shiftsFilter->setRooms(check_request_int_array('rooms', $shiftsFilter->getRooms()));
  $shiftsFilter->setTypes(check_request_int_array('types', $shiftsFilter->getTypes()));
  update_ShiftsFilter_timerange($shiftsFilter, $days);
}

function load_rooms() {
  $rooms = sql_select("SELECT `RID` AS `id`, `Name` AS `name` FROM `Room` WHERE `show`='Y' ORDER BY `Name`");
  if (count($rooms) == 0) {
    error(_("The administration has not configured any rooms yet."));
    redirect('?');
  }
  return $rooms;
}

function load_days() {
  $days = sql_select_single_col("
      SELECT DISTINCT DATE(FROM_UNIXTIME(`start`)) AS `id`, DATE(FROM_UNIXTIME(`start`)) AS `name`
      FROM `Shifts`
      ORDER BY `id`, `name`");
  if (count($days) == 0) {
    error(_("The administration has not configured any shifts yet."));
    redirect('?');
  }
  return $days;
}

function load_types() {
  global $user;
  
  if (sql_num_query("SELECT `id`, `name` FROM `AngelTypes` WHERE `restricted` = 0") == 0) {
    error(_("The administration has not configured any angeltypes yet - or you are not subscribed to any angeltype."));
    redirect('?');
  }
  $types = sql_select("SELECT `AngelTypes`.`id`, `AngelTypes`.`name`, (`AngelTypes`.`restricted`=0 OR (NOT `UserAngelTypes`.`confirm_user_id` IS NULL OR `UserAngelTypes`.`id` IS NULL)) as `enabled` FROM `AngelTypes` LEFT JOIN `UserAngelTypes` ON (`UserAngelTypes`.`angeltype_id`=`AngelTypes`.`id` AND `UserAngelTypes`.`user_id`='" . sql_escape($user['UID']) . "') ORDER BY `AngelTypes`.`name`");
  if (empty($types)) {
    return sql_select("SELECT `id`, `name` FROM `AngelTypes` WHERE `restricted` = 0");
  }
  return $types;
}

function view_user_shifts() {
  global $user, $privileges;
  global $ical_shifts;
  
  $ical_shifts = [];
  $days = load_days();
  $rooms = load_rooms();
  $types = load_types();
  
  if (! isset($_SESSION['ShiftsFilter'])) {
    $room_ids = [
        $rooms[0]['id'] 
    ];
    $type_ids = array_map('get_ids_from_array', $types);
    $_SESSION['ShiftsFilter'] = new ShiftsFilter(in_array('user_shifts_admin', $privileges), $room_ids, $type_ids);
  }
  update_ShiftsFilter($_SESSION['ShiftsFilter'], in_array('user_shifts_admin', $privileges), $days);
  $shiftsFilter = $_SESSION['ShiftsFilter'];
  
  $shiftCalendarRenderer = shiftCalendarRendererByShiftFilter($shiftsFilter);
  
  if ($user['api_key'] == "") {
    User_reset_api_key($user, false);
  }
  
  $filled = [
      [
          'id' => '1',
          'name' => _("occupied") 
      ],
      [
          'id' => '0',
          'name' => _("free") 
      ] 
  ];
  $start_day = date("Y-m-d", $shiftsFilter->getStartTime());
  $start_time = date("H:i", $shiftsFilter->getStartTime());
  $end_day = date("Y-m-d", $shiftsFilter->getEndTime());
  $end_time = date("H:i", $shiftsFilter->getEndTime());
  
  return page([
      div('col-md-12', [
          msg(),
          template_render(__DIR__ . '/../../templates/user_shifts.html', [
              'title' => shifts_title(),
              'room_select' => make_select($rooms, $shiftsFilter->getRooms(), "rooms", _("Rooms")),
              'start_select' => html_select_key("start_day", "start_day", array_combine($days, $days), $start_day),
              'start_time' => $start_time,
              'end_select' => html_select_key("end_day", "end_day", array_combine($days, $days), $end_day),
              'end_time' => $end_time,
              'type_select' => make_select($types, $shiftsFilter->getTypes(), "types", _("Angeltypes") . '<sup>1</sup>'),
              'filled_select' => make_select($filled, $shiftsFilter->getFilled(), "filled", _("Occupancy")),
              'task_notice' => '<sup>1</sup>' . _("The tasks shown here are influenced by the angeltypes you joined already!") . " <a href=\"" . page_link_to('angeltypes') . '&action=about' . "\">" . _("Description of the jobs.") . "</a>",
              'shifts_table' => msg() . $shiftCalendarRenderer->render(),
              'ical_text' => '<h2>' . _("iCal export") . '</h2><p>' . sprintf(_("Export of shown shifts. <a href=\"%s\">iCal format</a> or <a href=\"%s\">JSON format</a> available (please keep secret, otherwise <a href=\"%s\">reset the api key</a>)."), page_link_to_absolute('ical') . '&key=' . $user['api_key'], page_link_to_absolute('shifts_json_export') . '&key=' . $user['api_key'], page_link_to('user_myshifts') . '&reset') . '</p>',
              'filter' => _("Filter") 
          ]) 
      ]) 
  ]);
}

function get_ids_from_array($array) {
  return $array["id"];
}

function make_select($items, $selected, $name, $title = null) {
  $html_items = [];
  if (isset($title)) {
    $html_items[] = '<h4>' . $title . '</h4>' . "\n";
  }
  
  foreach ($items as $i) {
    $html_items[] = '<div class="checkbox"><label><input type="checkbox" name="' . $name . '[]" value="' . $i['id'] . '"' . (in_array($i['id'], $selected) ? ' checked="checked"' : '') . '> ' . $i['name'] . '</label>' . (! isset($i['enabled']) || $i['enabled'] ? '' : glyph("lock")) . '</div><br />';
  }
  $html = '<div id="selection_' . $name . '" class="selection ' . $name . '">' . "\n";
  $html .= implode("\n", $html_items);
  $html .= buttons([
      button("javascript: checkAll('selection_" . $name . "', true)", _("All"), ""),
      button("javascript: checkAll('selection_" . $name . "', false)", _("None"), "") 
  ]);
  $html .= '</div>' . "\n";
  return $html;
}
?>