| | | 1 | | // ----------------------------------------------------------------------- |
| | | 2 | | // <copyright file="NavigationRequestBuilder.cs" company="Stéphane ANDRE"> |
| | | 3 | | // Copyright (c) Stéphane ANDRE. All rights reserved. |
| | | 4 | | // </copyright> |
| | | 5 | | // ----------------------------------------------------------------------- |
| | | 6 | | |
| | | 7 | | using System; |
| | | 8 | | using System.Threading; |
| | | 9 | | using System.Threading.Tasks; |
| | | 10 | | using MyNet.UI.Navigation.Models; |
| | | 11 | | |
| | | 12 | | namespace MyNet.UI.Navigation; |
| | | 13 | | |
| | | 14 | | /// <summary> |
| | | 15 | | /// Default fluent builder for navigation requests. |
| | | 16 | | /// </summary> |
| | | 17 | | public sealed class NavigationRequestBuilder(Func<INavigationPage> pageFactory, INavigationService navigationService) : |
| | | 18 | | { |
| | | 19 | | private object? _parameters; |
| | | 20 | | |
| | | 21 | | /// <inheritdoc /> |
| | | 22 | | public INavigationRequestBuilder With(INavigationParameters? parameters) |
| | | 23 | | { |
| | 0 | 24 | | _parameters = parameters; |
| | 0 | 25 | | return this; |
| | | 26 | | } |
| | | 27 | | |
| | | 28 | | /// <inheritdoc /> |
| | | 29 | | public INavigationRequestBuilder With(object? parameters) |
| | | 30 | | { |
| | 12 | 31 | | _parameters = parameters; |
| | 12 | 32 | | return this; |
| | | 33 | | } |
| | | 34 | | |
| | | 35 | | /// <inheritdoc /> |
| | | 36 | | public INavigationRequestBuilder WithParameter(string key, object? value) |
| | | 37 | | { |
| | 0 | 38 | | var parameters = _parameters as NavigationParameters; |
| | | 39 | | |
| | 0 | 40 | | if (_parameters is null) |
| | | 41 | | { |
| | 0 | 42 | | parameters = new(); |
| | 0 | 43 | | _parameters = parameters; |
| | | 44 | | } |
| | 0 | 45 | | else if (parameters is null) |
| | | 46 | | { |
| | 0 | 47 | | parameters = NavigationParameters.From(_parameters); |
| | | 48 | | |
| | 0 | 49 | | _parameters = parameters; |
| | | 50 | | } |
| | | 51 | | |
| | 0 | 52 | | parameters.Set(key, value); |
| | 0 | 53 | | return this; |
| | | 54 | | } |
| | | 55 | | |
| | | 56 | | /// <inheritdoc /> |
| | | 57 | | public Task<NavigationResult> GoAsync(CancellationToken cancellationToken = default) |
| | 12 | 58 | | => navigationService.NavigateToAsync(pageFactory(), NormalizeParameters(), cancellationToken); |
| | | 59 | | |
| | | 60 | | /// <summary> |
| | | 61 | | /// Normalizes the current parameter payload into an INavigationParameters instance, if necessary. |
| | | 62 | | /// </summary> |
| | | 63 | | /// <returns>The normalized parameter payload.</returns> |
| | | 64 | | private INavigationParameters? NormalizeParameters() |
| | 12 | 65 | | => _parameters switch |
| | 12 | 66 | | { |
| | 6 | 67 | | null => null, |
| | 0 | 68 | | INavigationParameters navigationParameters => navigationParameters, |
| | 6 | 69 | | _ => NavigationParameters.From(_parameters) |
| | 12 | 70 | | }; |
| | | 71 | | } |
| | | 72 | | |