btcpayserver-configurator/BTCPayServerDockerConfigurator/Controllers/ConfiguratorController.Advanced.cs

using System.Text.Json;
using BTCPayServerDockerConfigurator.Models;
using Microsoft.AspNetCore.Mvc;

namespace BTCPayServerDockerConfigurator.Controllers;

public partial class ConfiguratorController
{
    [HttpGet("advanced")]
    public IActionResult AdvancedSettings()
    {
        var model = GetConfiguratorSettings();
        return View(new UpdateSettings<AdvancedSettings, AdvancedSettingsAdditionalData>
        {
            Json = model.ToString(),
            Settings = model.AdvancedSettings,
            Additional = new AdvancedSettingsAdditionalData
            {
                ShowSettings = model.AdvancedSettings.AnythingSet()
            }
        });
    }

    [HttpPost("advanced")]
    public IActionResult AdvancedSettings(
        UpdateSettings<AdvancedSettings, AdvancedSettingsAdditionalData> updateSettings,
        string command = null)
    {
        switch (command)
        {
            case { } x when x.StartsWith("fragmentset"):
                var parts = x.Replace("fragmentset", "").Split(",");
                foreach (var part in parts)
                {
                    var add = part.StartsWith('+');
                    var fragment = part.TrimStart('+', '-');
                    if (add && !updateSettings.Settings.AdditionalFragments.Contains(fragment))
                    {
                        updateSettings.Settings.AdditionalFragments.Add(fragment);
                    }
                    else if (!add &&
                             updateSettings.Settings.AdditionalFragments.Contains(fragment))
                    {
                        updateSettings.Settings.AdditionalFragments.Remove(fragment);
                    }
                }

                updateSettings.Additional ??= new AdvancedSettingsAdditionalData();
                updateSettings.Additional.ShowSettings = true;
                return View(updateSettings);
            case "show":
                updateSettings.Additional = new AdvancedSettingsAdditionalData
                {
                    ShowSettings = true
                };
                return View(updateSettings);
            case "add-additional":
                updateSettings.Additional = new AdvancedSettingsAdditionalData
                {
                    ShowSettings = true
                };
                updateSettings.Settings.AdditionalFragments.Add("");
                return View(updateSettings);
            case { } commandx
                when commandx.StartsWith("remove-additional",
                    StringComparison.InvariantCultureIgnoreCase):
            {
                updateSettings.Additional = new AdvancedSettingsAdditionalData
                {
                    ShowSettings = true
                };
                var index = int.Parse(
                    commandx[(commandx.IndexOf(":", StringComparison.Ordinal) + 1)..]);
                updateSettings.Settings.AdditionalFragments.RemoveAt(index);
                return View(updateSettings);
            }
            case "add-excluded":
                updateSettings.Additional = new AdvancedSettingsAdditionalData
                {
                    ShowSettings = true
                };
                updateSettings.Settings.ExcludedFragments.Add("");
                return View(updateSettings);
            case { } commandx
                when commandx.StartsWith("remove-excluded",
                    StringComparison.InvariantCultureIgnoreCase):
            {
                updateSettings.Additional = new AdvancedSettingsAdditionalData
                {
                    ShowSettings = true
                };
                var index = int.Parse(
                    commandx[(commandx.IndexOf(":", StringComparison.Ordinal) + 1)..]);
                updateSettings.Settings.ExcludedFragments.RemoveAt(index);
                return View(updateSettings);
            }
        }

        if (!ModelState.IsValid)
        {
            updateSettings.Additional = new AdvancedSettingsAdditionalData
            {
                ShowSettings = true
            };
            return View(updateSettings);
        }

        var configuratorSettings = string.IsNullOrEmpty(updateSettings.Json)
            ? new ConfiguratorSettings()
            : JsonSerializer.Deserialize<ConfiguratorSettings>(updateSettings.Json);
        configuratorSettings.AdvancedSettings = updateSettings.Settings;
        SetConfiguratorSettings(configuratorSettings);
        return RedirectToAction(nameof(Summary));
    }
}