create collection attribute for filters ordination

src/classes/entities/class-tainacan-collection.php

@@ -255,6 +255,15 @@ class Collection extends Entity {
         return $this->get_mapped_property('fields_order');
     }
 
+    /**
+     * Get collection filters ordination
+     *
+     * @return string
+     */
+    function get_filters_order() {
+        return $this->get_mapped_property('filters_order');
+    }
+
     /**
      * Get collection moderators ids
      *
@@ -395,6 +404,16 @@ class Collection extends Entity {
         $this->set_mapped_property('fields_order', $value);
     }
 
+    /**
+     * Set collection filters ordination
+     *
+     * @param [string] $value
+     * @return void
+     */
+    function set_filters_order($value) {
+        $this->set_mapped_property('filters_order', $value);
+    }
+    
     /**
      * Set collection moderators ids
      *

src/classes/repositories/class-tainacan-collections.php

@@ -138,6 +138,13 @@ class Collections extends Repository {
                 'description'=> __('Collection fields ordination', 'tainacan'),
                 //'validation' => v::stringType(),
             ],
+            'filters_order'           =>  [
+                'map'        => 'meta',
+                'title'      => __('Ordination filters', 'tainacan'),
+                'type'       => 'string',
+                'description'=> __('Collection filters ordination', 'tainacan'),
+                //'validation' => v::stringType(),
+            ],
             /*
             
             Isnt it just post status private?