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<?php
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
namespace TodoList\Util;
use DateTime;
use Exception;
use TodoList\Dao\TodoDao;
use TodoList\Exception\NotFoundException;
use TodoList\Model\Todo;
use TodoList\Validation\TodoValidator;
/**
* Miscellaneous utility methods.
*/
final class Utils {
private static $STATUS_ICONS = [
Todo::STATUS_PENDING => 'event_note',
Todo::STATUS_DONE => 'event_available',
Todo::STATUS_VOIDED => 'event_busy',
];
private function __construct() {
}
/**
* Generate link.
* @param string $page target page
* @param array $params page parameters
*/
public static function createLink($page, array $params = []) {
unset($params['page']);
return 'index.php?' .http_build_query(array_merge(['page' => $page], $params));
}
/**
* Format date.
* @param DateTime $date date to be formatted
* @return string formatted date
*/
public static function formatDate(DateTime $date = null) {
if ($date === null) {
return '';
}
return $date->format('m/d/Y');
}
/**
* Format date and time.
* @param DateTime $date date to be formatted
* @return string formatted date and time
*/
public static function formatDateTime(DateTime $date = null) {
if ($date === null) {
return '';
}
return $date->format('m/d/Y H:i');
}
/**
* Returns icon for status.
* @param int $status status
* @param boolean $disabled whether to disable (change color)
* @param boolean $tooltip whether to show tooltip
* @return string icon for status
*/
public static function iconStatus($status, $disabled = false, $tooltip = true) {
TodoValidator::validateStatus($status);
$title = $tooltip ? : '';
$icon = '<i class="material-icons ' . ($disabled ? 'disabled' : strtolower($status)) . '"';
if ($tooltip) {
$icon .= ' title="' . self::capitalize($status) . '"';
}
$icon .= '>' . self::$STATUS_ICONS[$status] . '</i>';
return $icon;
}
/**
* Returns icon for priority.
* @param int $priority priority
* @return string icon for priority
*/
public static function iconPriority($priority) {
return str_repeat(
'<i class="material-icons multi priority" title="Priority ' . $priority . '">star</i>',
4 - $priority);
}
/**
* Redirect to the given page.
* @param type $page target page
* @param array $params page parameters
*/
public static function redirect($page, array $params = []) {
header('Location: ' . self::createLink($page, $params));
die();
}
/**
* Get value of the URL param.
* @return string parameter value
* @throws NotFoundException if the param is not found in the URL
*/
public static function getUrlParam($name) {
if (!array_key_exists($name, $_GET)) {
throw new NotFoundException('URL parameter "' . $name . '" not found.');
}
return $_GET[$name];
}
/**
* Get {@link Todo} by the identifier 'id' found in the URL.
* @return Todo {@link Todo} instance
* @throws NotFoundException if the param or {@link Todo} instance is not found
*/
public static function getTodoByGetId() {
$id = null;
try {
$id = self::getUrlParam('id');
} catch (Exception $ex) {
throw new NotFoundException('No TODO identifier provided.');
}
if (!is_numeric($id)) {
throw new NotFoundException('Invalid TODO identifier provided.');
}
$dao = new TodoDao();
$todo = $dao->findById($id);
if ($todo === null) {
throw new NotFoundException('Unknown TODO identifier provided.');
}
return $todo;
}
/**
* Capitalize the first letter of the given string
* @param string $string string to be capitalized
* @return string capitalized string
*/
public static function capitalize($string) {
return ucfirst(mb_strtolower($string));
}
/**
* Escape the given string
* @param string $string string to be escaped
* @return string escaped string
*/
public static function escape($string) {
return htmlspecialchars($string, ENT_QUOTES);
}
}
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