BP_REST_Friends_Endpoint::update_item( WP_REST_Request $request )

	public function update_item( $request ) {
		$request->set_param( 'context', 'edit' );

		// Get friendship object.
		$friendship = $this->get_friendship_object( $request['id'] );

		if ( ! $friendship || empty( $friendship->id ) ) {
			return new WP_Error(
				'bp_rest_invalid_id',
				__( 'Invalid friendship ID.', 'buddyboss' ),
				array(
					'status' => 404,
				)
			);
		}

		// Accept friendship.
		if ( ! friends_accept_friendship( $friendship->id ) ) {
			return new WP_Error(
				'bp_rest_friends_cannot_update_item',
				__( 'Could not accept friendship.', 'buddyboss' ),
				array(
					'status' => 404,
				)
			);
		}

		// Getting new friendship object.
		$friendship = $this->get_friendship_object( $friendship->id );

		$retval = $this->prepare_response_for_collection(
			$this->prepare_item_for_response( $friendship, $request )
		);

		$response = rest_ensure_response( $retval );

		/**
		 * Fires after a friendship is updated via the REST API.
		 *
		 * @param BP_Friends_Friendship $friendship Friendship object.
		 * @param WP_REST_Response      $response   The response data.
		 * @param WP_REST_Request       $request    The request sent to the API.
		 *
		 * @since 0.1.0
		 */
		do_action( 'bp_rest_friends_update_item', $friendship, $response, $request );

		return $response;
	}