add api list of mappers

src/api/endpoints/class-tainacan-rest-field-mappers-controller.php

@@ -0,0 +1,70 @@
+<?php
+
+namespace Tainacan\API\EndPoints;
+
+use \Tainacan\API\REST_Controller;
+
+class REST_Field_Mappers_Controller extends REST_Controller {
+
+	/**
+	 * REST_Field_Mappers_Controller constructor.
+	 */
+	public function __construct() {
+		$this->rest_base = 'field-mappers';
+		parent::__construct();
+	}
+
+	public function register_routes() {
+		register_rest_route($this->namespace, '/' . $this->rest_base,
+			array(
+				array(
+					'methods'             => \WP_REST_Server::READABLE,
+					'callback'            => array($this, 'get_items'),
+					'permission_callback' => array($this, 'get_items_permissions_check'),
+				)
+			)
+		);
+	}
+
+	/**
+	 * @param \Tainacan\Exposers\Mappers\Mapper $mapper
+	 * @param \WP_REST_Request $request
+	 *map
+	 * @return mixed|\WP_Error|\WP_REST_Response
+	 */
+	public function prepare_item_for_response( $mapper, $request ) {
+
+	    $field_arr = $mapper->_toArray();
+
+		return $field_arr;
+	}
+
+	/**
+	 * @param \WP_REST_Request $request
+	 *
+	 * @return \WP_Error|\WP_REST_Response
+	 */
+	public function get_items( $request ) {
+		$Tainacan_Exposers = \Tainacan\Exposers\Exposers::get_instance();
+
+		$field_mappers = $Tainacan_Exposers->get_mappers( 'OBJECT' );
+
+		$prepared = [];
+		foreach ($field_mappers as $field_mapper){
+			array_push($prepared, $this->prepare_item_for_response($field_mapper, $request));
+		}
+
+		return new \WP_REST_Response($prepared, 200);
+	}
+
+	/**
+	 * @param \WP_REST_Request $request
+	 *
+	 * @return bool|\WP_Error
+	 */
+	public function get_items_permissions_check( $request ) {
+		return true;
+	}
+}
+
+?>

src/api/tainacan-rest-creator.php

@@ -14,6 +14,7 @@ $rest_logs_controller          = new \Tainacan\API\EndPoints\REST_Logs_Controlle
 $rest_field_types_controller   = new \Tainacan\API\EndPoints\REST_Field_Types_Controller();
 $rest_filter_types_controller  = new \Tainacan\API\EndPoints\REST_Filter_Types_Controller();
 new \Tainacan\API\EndPoints\REST_Export_Controller();
+new \Tainacan\API\EndPoints\REST_Field_Mappers_Controller();
 // Add here other endpoints imports
 
 ?>

src/exposers/class-tainacan-exposers.php

@@ -240,4 +240,24 @@ class Exposers {
 		}
 		return $i18n_strings;
 	}
+	
+	/**
+	 * Return list of registered mappers 
+	 * @param string $output output format, ARRAY_N or OBJECT
+	 */
+	public function get_mappers($output = ARRAY_N) {
+		$ret = [];
+		switch ($output) {
+			case OBJECT:
+				foreach ($this->mappers as $mapper) {
+					$ret[] = new $mapper;
+				}
+			break;
+			case ARRAY_N:
+			default:
+				return $this->mappers;
+			break;
+		}
+		return $ret;
+	}
 }

src/exposers/mappers/class-tainacan-mapper.php

@@ -11,4 +11,17 @@ abstract class Mapper {
 	public $prefix = ''; // Tag prefix like "dc:"
 	public $sufix = ''; // Tag sufix
 	public $header = false; // API response header or file header to be used with
+	
+	public function _toArray() {
+		return [
+			'slug' => $this->slug,
+			'name' => $this->name,
+			'allow_extra_fields' => $this->allow_extra_fields,
+			'context_url' => $this->context_url,
+			'metadata' => $this->metadata,
+			'prefix' => $this->prefix,
+			'sufix' => $this->sufix,
+			'header' => $this->header
+		];
+	}
 }

tests/test-api-field-mappers.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace Tainacan\Tests;
+
+/**
+ * @group api
+ */
+class TAINACAN_REST_Field_Mappers_Controller extends TAINACAN_UnitApiTestCase {
+
+	public function test_get_field_mappers(){
+
+		$field_mapper_request = new \WP_REST_Request('GET', $this->namespace . '/field-mappers');
+
+		$field_mapper_response = $this->server->dispatch($field_mapper_request);
+
+		$data = $field_mapper_response->get_data();
+
+		$Tainacan_Fields = \Tainacan\Exposers\Exposers::get_instance();
+
+		$field_mappers = $Tainacan_Fields->get_mappers("OBJECT");
+
+		$this->assertEquals(count($field_mappers), count($data));
+		
+	    for ($i = 0; $i < count($data); $i++) {
+	        $this->assertEquals($field_mappers[$i]->slug, $data[$i]['slug']);
+	        $this->assertEquals($field_mappers[$i]->name, $data[$i]['name']);
+	        $this->assertEquals($field_mappers[$i]->allow_extra_fields, $data[$i]['allow_extra_fields']);
+	        $this->assertEquals($field_mappers[$i]->context_url, $data[$i]['context_url']);
+	        $this->assertEquals($field_mappers[$i]->metadata, $data[$i]['metadata']);
+	        $this->assertEquals($field_mappers[$i]->prefix, $data[$i]['prefix']);
+	        $this->assertEquals($field_mappers[$i]->sufix, $data[$i]['sufix']);
+	        $this->assertEquals($field_mappers[$i]->header, $data[$i]['header']);
+		}
+	}
+}
+
+?>