Merge pull request #5 from newfold-labs/PRESS3-96-default-search-result

add default search result proxy

includes/RestApi/AISearchController.php

@@ -52,6 +52,18 @@ public function register_routes() {
 				),
 			)
 		);
+
+		register_rest_route(
+			$this->namespace,
+			'/' . $this->rest_base . '/default',
+			array(
+				array(
+					'methods'             => \WP_REST_Server::CREATABLE,
+					'callback'            => array($this, 'get_default_search_results'),
+					'permission_callback' => array($this, 'check_permission'),
+				),
+			)
+		);
 	}
 
 	/**
@@ -85,6 +97,23 @@ public function get_search_result( \WP_REST_Request $request ) {
 		return new \WP_REST_Response( $response, 200 );
 	}
 
+	/**
+	 * Proxy to AI service for getting default search results
+	 *
+	 * @param \WP_REST_Request $request Request object
+	 *
+	 * @returns \WP_REST_Response|\WP_Error
+	 */
+	public function get_default_search_results( \WP_REST_Request $request ) {
+		$response = AISearchUtil::get_default_search_results();
+
+		if ( array_key_exists( 'error', $response ) ) {
+			return new \WP_Error( 'ServerError', $response['error'] );
+		}
+
+		return new \WP_REST_Response( $response, 200 );
+	}
+
 	/**
 	 * Check permissions for routes.
 	 *

includes/Utils/AISearchUtil.php

@@ -22,6 +22,17 @@ private static function _check_capabilities( ) {
 		return $help_enabled && $ai_enabled;
 	}
 
+	/**
+	 * The function to check just Help capability
+	 */
+	private static function _check_help_capability() {
+		$capability = new SiteCapabilities();
+
+		$help_enabled = $capability->get('canAccessHelpCenter');
+
+		return $help_enabled;
+	}
+
 	/**
 	 * The function to proxy to the AI service and get a response
 	 *
@@ -78,4 +89,45 @@ public static function get_search_results(
 			);
 		}
 	}
+
+	/**
+	 * The function to get the default results from the proxy
+	 *
+	 * @return array
+	 */
+	public static function get_default_search_results() {
+		if (!self::_check_help_capability()) {
+			return array(
+				'error' => __('We are unable to process the request at this moment'),
+			);
+		}
+
+		$response = wp_remote_post(
+			NFD_AI_SERVICE_BASE,
+			array(
+				'method'  => 'POST',
+				'headers' => array(
+					'Content-Type' => 'application/json',
+				),
+				'timeout' => 60,
+			)
+		);
+		if ( wp_remote_retrieve_response_code( $response ) !== 200 ) {
+			return array(
+				'error' => __('We are unable to process the request at this moment'),
+			);
+		}
+
+		$parsed_response = json_decode( wp_remote_retrieve_body( $response ), true );
+
+		try {
+			return array(
+				'posts' => $parsed_response['payload']['posts'],
+			);
+		} catch ( \Exception $exception ) {
+			return array(
+				'error' => __( 'We are unable to process the request at this moment' ),
+			);
+		}
+	}
 }