BP_REST_XProfile_Update_Endpoint::update_items( WP_REST_Request $request )

	public function update_items( $request ) {
		// Setting context.
		$request->set_param( 'context', 'edit' );

		$user_id = bp_loggedin_user_id();

		$fields = $request->get_param( 'fields' );

		$errors = array();

		if ( ! empty( $fields ) ) {
			foreach ( $fields as $k => $field_post ) {

				$group_id         = ( isset( $field_post['group_id'] ) && ! empty( $field_post['group_id'] ) ) ? $field_post['group_id'] : '';
				$field_id         = ( isset( $field_post['field_id'] ) && ! empty( $field_post['field_id'] ) ) ? $field_post['field_id'] : '';
				$visibility_level = ( isset( $field_post['visibility_level'] ) && ! empty( $field_post['visibility_level'] ) ) ? $field_post['visibility_level'] : '';
				$value            = ( isset( $field_post['value'] ) && ! empty( $field_post['value'] ) ) ? $field_post['value'] : '';

				if ( empty( $field_id ) ) {
					continue;
				}

				$field = xprofile_get_field( $field_id );

				if ( isset( $field_post['value'] ) ) {
					if ( 'checkbox' === $field->type || 'socialnetworks' === $field->type ) {
						if ( is_serialized( $value ) ) {
							$value = maybe_unserialize( $value );
						}

						$value = json_decode( $value, true );

						if ( ! is_array( $value ) ) {
							$value = (array) $value;
						}
					}

					$validation = $this->validate_update( $field_id, $user_id, $value );

					if ( empty( $validation ) ) {
						xprofile_set_field_data( $field_id, $user_id, $value, $field->is_required );
					} else {
						$errors[ $field_id ] = $validation;
					}
				}

				if ( ! empty( $visibility_level ) ) {
					xprofile_set_field_visibility_level( $field_id, $user_id, $visibility_level );
				}
			}
		}

		$args = array(
			'profile_group_id'       => $request['profile_group_id'],
			'user_id'                => bp_loggedin_user_id(),
			'member_type'            => $request['member_type'],
			'hide_empty_groups'      => $request['hide_empty_groups'],
			'hide_empty_fields'      => $request['hide_empty_fields'],
			'fetch_field_data'       => $request['fetch_field_data'],
			'fetch_visibility_level' => $request['fetch_visibility_level'],
			'exclude_groups'         => $request['exclude_groups'],
			'exclude_fields'         => $request['exclude_fields'],
			'update_meta_cache'      => $request['update_meta_cache'],
			'fetch_fields'           => true,
		);

		if ( empty( $request['member_type'] ) ) {
			$args['member_type'] = false;
		}

		/**
		 * Filter the query arguments for the request.
		 *
		 * @param array           $args    Key value array of query var to query value.
		 * @param WP_REST_Request $request The request sent to the API.
		 *
		 * @since 0.1.0
		 */
		$args = apply_filters( 'bp_rest_xprofile_fields_get_items_query_args', $args, $request );

		// Actually, query it.
		$field_groups = bp_xprofile_get_groups( $args );

		$response = array();
		if ( empty( $errors ) ) {
			$response['updated'] = true;
		} else {
			$response['updated'] = $errors;
		}

		$retval = array();
		foreach ( (array) $field_groups as $item ) {
			$retval[] = $this->group_fields_endpoint->prepare_response_for_collection(
				$this->group_fields_endpoint->prepare_item_for_response( $item, $request )
			);
		}

		$response['data'] = $retval;

		$response = rest_ensure_response( $response );

		/**
		 * Fires after a XProfile update is created via the REST API.
		 *
		 * @param BP_XProfile_Field $field    Created field 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_xprofile_update_items', $field_groups, $response, $request );

		return $response;
	}