Add filters to FilterCollection to be able to filter the filters on n…

…ame and displayname.

src/Collections/FilterCollection.php

@@ -4,6 +4,7 @@
 
 use CatLab\Base\Collections\Collection;
 use CatLab\Charon\Interfaces\ResourceDefinition;
+use CatLab\Charon\Models\Filter;
 
 /**
  *
@@ -27,4 +28,34 @@ public function getResourceDefinition()
     {
         return $this->resourceDefinition;
     }
+
+    /**
+     * @param string $name
+     * @return Filter|null
+     */
+    public function getFromDisplayName(string $name)
+    {
+        foreach ($this as $v) {
+            /** @var Filter $v */
+            if ($v->getField()->getDisplayName() === $name) {
+                return $v;
+            }
+        }
+        return null;
+    }
+
+    /**
+     * @param string $name
+     * @return Filter|null
+     */
+    public function getFromName(string $name)
+    {
+        foreach ($this as $v) {
+            /** @var Filter $v */
+            if ($v->getField()->getName() === $name) {
+                return $v;
+            }
+        }
+        return null;
+    }
 }