From 9c0c15069de2c938b7943a7adc8a1a838700d621 Mon Sep 17 00:00:00 2001
From: Sebastian Lenz <github@sebastian-lenz.de>
Date: Wed, 2 Dec 2020 22:40:50 +0100
Subject: [PATCH] Add url model class

---
 src/models/Url.php | 162 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 162 insertions(+)
 create mode 100644 src/models/Url.php

diff --git a/src/models/Url.php b/src/models/Url.php
new file mode 100644
index 0000000..c591251
--- /dev/null
+++ b/src/models/Url.php
@@ -0,0 +1,162 @@
+<?php
+
+namespace lenz\craft\utils\models;
+
+use yii\base\Model;
+
+/**
+ * Class Url
+ */
+class Url extends Model
+{
+  /**
+   * @var string|null
+   */
+  public $fragment;
+
+  /**
+   * @var string|null
+   */
+  public $host;
+
+  /**
+   * @var string|null
+   */
+  public $pass;
+
+  /**
+   * @var string|null
+   */
+  public $path;
+
+  /**
+   * @var string|null
+   */
+  public $port;
+
+  /**
+   * @var string|null
+   */
+  public $query;
+
+  /**
+   * @var string|null
+   */
+  public $scheme;
+
+  /**
+   * @var string|null
+   */
+  public $user;
+
+  /**
+   * @var array
+   */
+  const GLUES = [
+    ['scheme',   '',  '://'],
+    ['auth',     '',  '@'],
+    ['host',     '',  ''],
+    ['port',     ':', ''],
+    ['path',     '',  ''],
+    ['query',    '?', ''],
+    ['fragment', '#', ''],
+  ];
+
+
+  /**
+   * Url constructor.
+   * @param string $url
+   */
+  public function __construct(string $url) {
+    parent::__construct(parse_url($url));
+  }
+
+  /**
+   * @return string
+   */
+  public function __toString() {
+    $result = [];
+    $parts = $this->attributes + [
+      'auth' => $this->getAuthentication(),
+    ];
+
+    foreach (self::GLUES as list($key, $prefix, $suffix)) {
+      $value = isset($parts[$key]) ? $parts[$key] : '';
+      if (!empty($value)) {
+        array_push($result, $prefix, $value, $suffix);
+      }
+    }
+
+    if (isset($parts['host']) && !isset($parts['scheme'])) {
+      array_unshift($result, '//');
+    }
+
+    return implode('', $result);
+  }
+
+  /**
+   * @return string
+   */
+  public function getAuthentication() {
+    return implode(':', array_filter([
+      isset($this->user) ? $this->user : '',
+      isset($this->pass) ? $this->pass : '',
+    ]));
+  }
+
+  /**
+   * @return string|null
+   */
+  public function getFragment() {
+    return isset($this->fragment) ? (string)$this->fragment : null;
+  }
+
+  /**
+   * @return array
+   */
+  public function getQuery() {
+    if (!isset($this->query)) {
+      return [];
+    }
+
+    $result = array();
+    foreach (explode('&', $this->query) as $param) {
+      $parts = explode('=', $param, 2);
+      if (count($parts) !== 2) {
+        continue;
+      }
+
+      list($key, $value) = $parts;
+      $result[$key] = urldecode($value);
+    }
+
+    return $result;
+  }
+
+  /**
+   * @param string|null $fragment
+   */
+  public function setFragment(string $fragment = null) {
+    if (empty($fragment)) {
+      unset($this->fragment);
+    } else {
+      $this->fragment = $fragment;
+    }
+  }
+
+  /**
+   * @param array $query
+   */
+  public function setQuery(array $query) {
+    if (count($query) === 0) {
+      unset($this->query);
+    } else {
+      $parts = [];
+      foreach ($query as $key => $value) {
+        $parts[] = $key . '=' . urlencode($value);
+      }
+
+      $this->query = implode('&', $parts);
+    }
+  }
+}