<?php

function myshifts_title() {
  return _("My shifts");
}

// Zeigt die Schichten an, die ein Benutzer belegt
function user_myshifts() {
  global $LETZTES_AUSTRAGEN;
  global $user, $privileges;
  
  if (isset($_REQUEST['id']) && in_array("user_shifts_admin", $privileges) && preg_match("/^[0-9]{1,}$/", $_REQUEST['id']) && sql_num_query("SELECT * FROM `User` WHERE `UID`='" . sql_escape($_REQUEST['id']) . "'") > 0) {
    $id = $_REQUEST['id'];
  } else {
    $id = $user['UID'];
  }
  
  list($shifts_user) = sql_select("SELECT * FROM `User` WHERE `UID`='" . sql_escape($id) . "' LIMIT 1");
  
  if (isset($_REQUEST['reset'])) {
    if ($_REQUEST['reset'] == "ack") {
      User_reset_api_key($user);
      success(_("Key changed."));
      redirect(page_link_to('users') . '&action=view&user_id=' . $shifts_user['UID']);
    }
    return page_with_title(_("Reset API key"), [
        error(_("If you reset the key, the url to your iCal- and JSON-export and your atom feed changes! You have to update it in every application using one of these exports."), true),
        button(page_link_to('user_myshifts') . '&reset=ack', _("Continue"), 'btn-danger') 
    ]);
  } elseif (isset($_REQUEST['edit']) && preg_match("/^[0-9]*$/", $_REQUEST['edit'])) {
    $id = $_REQUEST['edit'];
    $shift = sql_select("SELECT
        `ShiftEntry`.`freeloaded`,
        `ShiftEntry`.`freeload_comment`,
        `ShiftEntry`.`Comment`,
        `ShiftEntry`.`UID`,
        `ShiftTypes`.`name`,
        `Shifts`.*,
        `Room`.`Name`,
        `AngelTypes`.`name` as `angel_type`
        FROM `ShiftEntry`
        JOIN `AngelTypes` ON (`ShiftEntry`.`TID` = `AngelTypes`.`id`)
        JOIN `Shifts` ON (`ShiftEntry`.`SID` = `Shifts`.`SID`)
        JOIN `ShiftTypes` ON (`ShiftTypes`.`id` = `Shifts`.`shifttype_id`)
        JOIN `Room` ON (`Shifts`.`RID` = `Room`.`RID`)
        WHERE `ShiftEntry`.`id`='" . sql_escape($id) . "'
        AND `UID`='" . sql_escape($shifts_user['UID']) . "' LIMIT 1");
    if (count($shift) > 0) {
      $shift = $shift[0];
      $freeloaded = $shift['freeloaded'];
      $freeload_comment = $shift['freeload_comment'];
      
      if (isset($_REQUEST['submit'])) {
        $ok = true;
        if (in_array("user_shifts_admin", $privileges)) {
          $freeloaded = isset($_REQUEST['freeloaded']);
          $freeload_comment = strip_request_item_nl('freeload_comment');
          if ($freeloaded && $freeload_comment == '') {
            $ok = false;
            error(_("Please enter a freeload comment!"));
          }
        }
        
        $comment = strip_request_item_nl('comment');
        $user_source = User($shift['UID']);
        
        if ($ok) {
          $result = ShiftEntry_update([
              'id' => $id,
              'Comment' => $comment,
              'freeloaded' => $freeloaded,
              'freeload_comment' => $freeload_comment 
          ]);
          if ($result === false) {
            engelsystem_error('Unable to update shift entry.');
          }
          
          engelsystem_log("Updated " . User_Nick_render($user_source) . "'s shift " . $shift['name'] . " from " . date("Y-m-d H:i", $shift['start']) . " to " . date("Y-m-d H:i", $shift['end']) . " with comment " . $comment . ". Freeloaded: " . ($freeloaded ? "YES Comment: " . $freeload_comment : "NO"));
          success(_("Shift saved."));
          redirect(page_link_to('users') . '&action=view&user_id=' . $shifts_user['UID']);
        }
      }
      
      return ShiftEntry_edit_view(User_Nick_render($shifts_user), date("Y-m-d H:i", $shift['start']) . ', ' . shift_length($shift), $shift['Name'], $shift['name'], $shift['angel_type'], $shift['Comment'], $shift['freeloaded'], $shift['freeload_comment'], in_array("user_shifts_admin", $privileges));
    } else
      redirect(page_link_to('user_myshifts'));
  } elseif (isset($_REQUEST['cancel']) && preg_match("/^[0-9]*$/", $_REQUEST['cancel'])) {
    $id = $_REQUEST['cancel'];
    $shift = sql_select("
        SELECT *
        FROM `Shifts` 
        INNER JOIN `ShiftEntry` USING (`SID`) 
        WHERE `ShiftEntry`.`id`='" . sql_escape($id) . "' AND `UID`='" . sql_escape($shifts_user['UID']) . "'");
    if (count($shift) > 0) {
      $shift = $shift[0];
      if (($shift['start'] > time() + $LETZTES_AUSTRAGEN * 3600) || in_array('user_shifts_admin', $privileges)) {
        $result = ShiftEntry_delete($id);
        if ($result === false) {
          engelsystem_error('Unable to delete shift entry.');
        }
        $room = Room($shift['RID']);
        $angeltype = AngelType($shift['TID']);
        $shifttype = ShiftType($shift['shifttype_id']);
        
        engelsystem_log("Deleted own shift: " . $shifttype['name'] . " at " . $room['Name'] . " from " . date("Y-m-d H:i", $shift['start']) . " to " . date("Y-m-d H:i", $shift['end']) . " as " . $angeltype['name']);
        success(_("Shift canceled."));
      } else {
        error(_("It's too late to sign yourself off the shift. If neccessary, ask the dispatcher to do so."));
      }
    } else {
      redirect(user_link($shifts_user));
    }
  }
  
  redirect(page_link_to('users') . '&action=view&user_id=' . $shifts_user['UID']);
}
?>