Add globalTags setting

src/Plugin.php

@@ -95,6 +95,7 @@ public function getTagCollection(): TagCollection
         /* @var \ostark\upper\TagCollection $collection */
         $collection = $this->get('tagCollection');
         $collection->setKeyPrefix($this->getSettings()->getKeyPrefix());
+        $collection->setGlobalTags($this->getSettings()->getGlobalTags());
 
         return $collection;
     }

src/TagCollection.php

@@ -42,6 +42,19 @@ public function setKeyPrefix($keyPrefix)
         $this->keyPrefix = $keyPrefix;
     }
 
+    /**
+     * @param array $globalTags
+     */
+    public function setGlobalTags($globalTags)
+    {
+        if(!is_array($globalTags)) {
+            $globalTags = [$globalTags];
+        }
+        foreach($globalTags as $tag) {
+            $this->add($tag);
+        }
+    }
+
     /**
      * Prepends tag with configured prefix.
      * To prevent key collision if you use the same

src/config.example.php

@@ -22,6 +22,11 @@
     // 1-8 characters, special chars get removed
     'keyPrefix'     => getenv('UPPER_KEY_PREFIX') ?: '',
 
+
+    // Optional global tags to include on every response.
+    // Useful if you want to clear Craft objects at once
+    'globalTags'    => getenv('UPPER_GLOBAL_TAGS') ?: [],
+
     // Drivers settings
     'drivers'       => [
 

src/models/Settings.php

@@ -57,6 +57,14 @@ class Settings extends Model
      */
     public $keyPrefix = '';
 
+
+    /**
+     * Global tags
+     *
+     * @var array
+     */
+    public $globalTags = [];
+
     // Public Methods
     // =========================================================================
 
@@ -110,6 +118,21 @@ public function getKeyPrefix()
         return substr($clean, 0, 8);
     }
 
+    /**
+     * Get global tags.
+     * For clearing all Craft objects at once.
+     *
+     * @return array
+     */
+    public function getGlobalTags()
+    {
+        if (!$this->globalTags) {
+            return [];
+        }
+
+        return array_map('Inflector::slug', $this->globalTags);
+    }
+
     /**
      * @return array
      */