WIP

src/Bunny.php

@@ -4,6 +4,12 @@
 
 use Craft;
 use craft\base\Plugin;
+use craft\services\Plugins;
+
+use vaersaagod\bunny\models\Settings;
+use vaersaagod\bunny\web\twig\Extension;
+
+use yii\base\Event;
 
 class Bunny extends Plugin
 {
@@ -28,6 +34,9 @@ public function init()
     {
         parent::init();
 
+        // Add in our Twig extensions
+        Craft::$app->getView()->registerTwigExtension(new Extension());
+
         Craft::info(
             Craft::t(
                 'bunny',
@@ -38,4 +47,20 @@ public function init()
         );
     }
 
+    /**
+     * @return Settings
+     */
+    public function getSettings(): Settings
+    {
+        return parent::getSettings();
+    }
+
+    /**
+     * @return Settings
+     */
+    protected function createSettingsModel(): Settings
+    {
+        return new Settings();
+    }
+
 }

src/config.php

@@ -1,10 +1,12 @@
 <?php
 
 return [
-    'pullzones' => [
+    'pullingEnabled' => true,
+    'pullZones' => [
         'default' => [
-            'hostname' => 'https://yourpullzone.b-cdn.net',
+            'hostname' => '',//https://yourpullzone.b-cdn.net',
             'enabled' => true,
         ],
     ],
+    'defaultPullZone' => 'default',
 ];

src/helpers/BunnyHelper.php

@@ -0,0 +1,45 @@
+<?php
+
+namespace vaersaagod\bunny\helpers;
+
+use Craft;
+use craft\helpers\StringHelper;
+use craft\helpers\UrlHelper;
+
+use vaersaagod\bunny\Bunny;
+use vaersaagod\bunny\models\PullZone;
+
+use yii\base\InvalidConfigException;
+
+class BunnyHelper
+{
+
+    /**
+     * @param string $path
+     * @param string|null $pullzone
+     * @return string
+     * @throws \Exception
+     */
+    public static function bunnyPullUrl(string $path = '', ?string $pullzone = null): string
+    {
+        $pullZone = static::getPullZone($pullzone);
+        return $pullZone->getUrl($path);
+    }
+
+    /**
+     * @param string|null $key
+     * @return array
+     * @throws \Exception
+     */
+    public static function getPullZone(?string $key = null): PullZone
+    {
+        $settings = Bunny::getInstance()->getSettings();
+        $key = $key ?? $settings->defaultPullZone;
+        $pullZoneConfig = $settings->pullZones[$key] ?? null;
+        if (!$pullZoneConfig) {
+            throw new InvalidConfigException("Invalid pull zone \"$key\"");
+        }
+        return new PullZone($pullZoneConfig);
+    }
+
+}

src/models/PullZone.php

@@ -0,0 +1,64 @@
+<?php
+
+namespace vaersaagod\bunny\models;
+
+use Craft;
+use craft\base\Model;
+use craft\helpers\StringHelper;
+use craft\helpers\UrlHelper;
+
+use vaersaagod\bunny\Bunny;
+
+class PullZone extends Model
+{
+
+    /** @var bool */
+    public $enabled = true;
+
+    /** @var string */
+    public $hostname;
+
+    /**
+     * @param array $config
+     * @throws \craft\errors\SiteNotFoundException
+     */
+    public function __construct($config = [])
+    {
+        parent::__construct($config);
+        if (!UrlHelper::isFullUrl($this->hostname)) {
+            $this->hostname = StringHelper::ensureLeft($this->hostname, 'https://');
+        } else {
+            $this->hostname = UrlHelper::urlWithScheme($this->hostname, 'https');
+        }
+        $this->hostname = StringHelper::removeRight($this->hostname, '/');
+    }
+
+    /**
+     * @param string $path
+     * @return string
+     */
+    public function getUrl(string $path = ''): string
+    {
+        $baseSiteUrl = Craft::getAlias('@web');
+        $url = StringHelper::removeLeft($path, $baseSiteUrl);
+        if (
+            !$this->enabled
+            || !Bunny::getInstance()->getSettings()->pullingEnabled
+            || UrlHelper::isAbsoluteUrl($url)
+            || UrlHelper::isProtocolRelativeUrl($url)
+        ) {
+            if (!$url) {
+                return '';
+            }
+            if (UrlHelper::isFullUrl($url)) {
+                return $url;
+            }
+            return UrlHelper::url($url);
+        }
+        if ($url) {
+            $url = StringHelper::ensureLeft($url, '/');
+        }
+        return UrlHelper::url($this->hostname . $url);
+    }
+
+}

src/models/Settings.php

@@ -1,13 +1,19 @@
 <?php
 
-namespace vaersaagod\models;
+namespace vaersaagod\bunny\models;
 
 use craft\base\Model;
 
 class Settings extends Model
 {
 
-    /** @var array */
-    public $pullzones = [];
+    /** @var bool */
+    public $pullingEnabled = true;
+
+    /** @var array[] */
+    public $pullZones = [];
+
+    /** @var string */
+    public $defaultPullZone;
 
 }

src/web/twig/Extension.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace vaersaagod\bunny\web\twig;
+
+use Craft;
+
+use Twig\Extension\AbstractExtension;
+use Twig\Extension\GlobalsInterface;
+use Twig\TwigFunction;
+
+use vaersaagod\bunny\helpers\BunnyHelper;
+
+class Extension extends AbstractExtension
+{
+
+    /**
+     * @return TwigFunction[]
+     */
+    public function getFunctions()
+    {
+        return [
+            new TwigFunction('bunnyPullUrl', [BunnyHelper::class, 'bunnyPullUrl']),
+        ];
+    }
+
+}