Create endpoint to POST filters and your test.

src/api/endpoints/class-tainacan-rest-filters-controller.php

@@ -0,0 +1,109 @@
+<?php
+
+use Tainacan\Entities;
+use Tainacan\Repositories;
+
+class TAINACAN_REST_Filters_Controller extends WP_REST_Controller {
+	private $collection;
+	private $collection_repository;
+
+	private $metadata;
+	private $metadata_repository;
+
+	private $filter;
+	private $filter_repository;
+
+	/**
+	 * TAINACAN_REST_Filters_Controller constructor.
+	 */
+	public function __construct() {
+		$this->namespace = '/tainacan/v2';
+		$this->rest_base = 'filters';
+
+		$this->collection = new Entities\Collection();
+		$this->collection_repository = new Repositories\Collections();
+
+		$this->metadata = new Entities\Metadata();
+		$this->metadata_repository = new Repositories\Metadatas();
+
+		$this->filter = new Entities\Filter();
+		$this->filter_repository = new Repositories\Filters();
+
+		add_action('rest_api_init', array($this, 'register_routes'));
+	}
+
+	public function register_routes() {
+		register_rest_route($this->namespace, '/' . $this->rest_base, array(
+			array(
+				'methods' => WP_REST_Server::CREATABLE,
+				'callback' => array($this, 'create_item'),
+				'permission_callback' => array($this, 'create_item_permissions_check')
+			)
+		));
+	}
+
+
+	/**
+	 * @param WP_REST_Request $request
+	 *
+	 * @return object|void|WP_Error
+	 */
+	public function prepare_item_for_database( $request ) {
+		$body = json_decode($request->get_body(), true);
+
+		$collection_id = $body['collection_id'];
+		$metadata_id   = $body['metadata_id'];
+		$filter = $body['filter'];
+
+		foreach ($filter as $attribute => $value){
+			try {
+				$set_ = 'set_'. $attribute;
+				$this->filter->$set_($value);
+			} catch (\Error $error){
+				//
+			}
+		}
+
+		$this->filter->set_collection_id($collection_id);
+		$this->filter->set_metadata($metadata_id);
+	}
+
+	/**
+	 * @param WP_REST_Request $request
+	 *
+	 * @return WP_Error|WP_REST_Response
+	 */
+	public function create_item( $request ) {
+
+		if(!empty($request->get_body())){
+			$this->prepare_item_for_database($request);
+
+			if ($this->filter->validate()){
+				$filter_inserted = $this->filter_repository->insert($this->filter);
+
+				return new WP_REST_Response($filter_inserted->__toArray(), 200);
+			}
+
+			return new WP_REST_Response([
+				'error_message' => 'One or more attributes are invalid',
+				'error'         => $this->filter->get_errors()
+			], 400);
+		}
+
+		return new WP_REST_Response([
+			'error_message' => 'The body could not be empty.',
+			'body'          => $request->get_body()
+		], 400);
+	}
+
+	/**
+	 * @param WP_REST_Request $request
+	 *
+	 * @return bool|WP_Error
+	 */
+	public function create_item_permissions_check( $request ) {
+		return $this->filter_repository->can_edit($this->filter);
+	}
+}
+
+?>

src/api/tainacan-rest-creator.php

@@ -5,6 +5,7 @@ $rest_items_controller       = new TAINACAN_REST_Items_Controller();
 $rest_metadata_controller    = new TAINACAN_REST_Metadata_Controller();
 $rest_taxonomies_controller  = new TAINACAN_REST_Taxonomies_Controller();
 $rest_terms_controller       = new TAINACAN_REST_Terms_Controller();
+$rest_filters_controller     = new TAINACAN_REST_Filters_Controller();
 // Add here other endpoints imports
 
 ?>

tests/test-api-filters.php

@@ -0,0 +1,51 @@
+<?php
+
+namespace Tainacan\Tests;
+
+class TAINACAN_REST_Terms_Controller extends TAINACAN_UnitApiTestCase {
+
+	public function test_create_filter(){
+		$collection = $this->tainacan_entity_factory->create_entity(
+			'collection',
+			array(
+				'name'        => 'Collection filtered',
+				'description' => 'Is filtered'
+			),
+			true
+		);
+
+		$metadata = $this->tainacan_entity_factory->create_entity(
+			'metadata',
+			array(
+				'name'        => 'Metadata filtered',
+				'description' => 'Is filtered'
+			)
+		);
+
+		$request_body = json_encode(
+			array(
+				'collection_id' => $collection->get_id(),
+				'metadata_id'   => $metadata->get_id(),
+				'filter'        => [
+					'name'        => 'Filter name',
+					'description' => 'This is RANGE!',
+					'filter_type' => 'range'
+				]
+			)
+		);
+
+		$request = new \WP_REST_Request('POST', $this->namespace . '/filters');
+
+		$request->set_body($request_body);
+
+		$response = $this->server->dispatch($request);
+
+		$data = $response->get_data();
+
+		$this->assertEquals('range', $data['filter_type']);
+		$this->assertEquals('Filter name', $data['name']);
+	}
+
+}
+
+?>