public SettingsWindow()
{
InitializeComponent();
combobox_loglevel.ItemsSource = Enum.GetNames <LogEventLevel>();
combobox_dexcom_server.ItemsSource = typeof(DexcomServerLocation).GetFields().Select(x => (DescriptionAttribute[])x.GetCustomAttributes(typeof(DescriptionAttribute), false)).SelectMany(x => x).Select(x => x.Description);
if (File.Exists(Program.SettingsFile))
{
try
{
var model = FileService <GlucoseTraySettings> .ReadModelFromFile(Program.SettingsFile);
if (model is null)
{
MessageBox.Show("Unable to load existing settings due to a bad file.");
}
else
{
txt_dexcom_password.Password = model.DexcomPassword;
txt_nightscout_token.Password = model.AccessToken;
if (model.FetchMethod == FetchMethod.DexcomShare)
{
radio_source_dexcom.IsChecked = true;
}
else
{
radio_source_nightscout.IsChecked = true;
}
if (model.GlucoseUnit == GlucoseUnitType.MG)
{
radio_unit_mg.IsChecked = true;
}
else
{
radio_unit_mmol.IsChecked = true;
}
combobox_loglevel.SelectedIndex = (int)model.LogLevel;
combobox_dexcom_server.SelectedIndex = (int)model.DexcomServer;
Settings = model;
}
}
catch (Exception e) // Catch serialization errors due to a bad file
{
MessageBox.Show("Unable to load existing settings due to a bad file. " + e.Message + e.InnerException?.Message);
}
}
DataContext = Settings;
}
private static string ValidateNightScout(GlucoseTraySettings model)
{
if (string.IsNullOrWhiteSpace(model.NightscoutUrl))
{
return("Nightscout Url is missing");
}
if (!model.NightscoutUrl.StartsWith("https://", StringComparison.OrdinalIgnoreCase) && !model.NightscoutUrl.StartsWith("http://", StringComparison.OrdinalIgnoreCase))
{
return("Nightscout URL must start with http:// or https://");
}
if (!Uri.TryCreate(model.NightscoutUrl, UriKind.Absolute, out _))
{
return("Invalid Nightscout URL");
}
try
{
var url = $"{model.NightscoutUrl}/api/v1/status.json";
url += !string.IsNullOrWhiteSpace(model.AccessToken) ? $"?token={model.AccessToken}" : string.Empty;
using var httpClient = new HttpClient();
var request = new HttpRequestMessage(HttpMethod.Get, new Uri(url));
request.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
var response = httpClient.SendAsync(request).Result;
if (!response.IsSuccessStatusCode)
{
return("Invalid Nightscout url - Error : " + response.ReasonPhrase);
}
var result = response.Content.ReadAsStringAsync().Result;
try
{
var status = JsonSerializer.Deserialize <Models.NightScoutStatus>(result);
return(string.Equals(status.Status, "ok", StringComparison.CurrentCultureIgnoreCase) ? null : "Nightscout status is " + status.Status);
}
catch (JsonException)
{
return("Nightscout URL returned invalid staus " + result);
}
}
catch (Exception ex)
{
return("Can not access Nightscout : Error " + ex.Message);
}
}
/// <summary>
/// If model is null, will validate from stored settings file.
/// </summary>
/// <param name="model"></param>
public static List <string> ValidateSettings(GlucoseTraySettings model = null)
{
var errors = new List <string>();
if (model is null)
{
model = FileService <GlucoseTraySettings> .ReadModelFromFile(Program.SettingsFile);
if (model is null)
{
errors.Add("File is Invalid");
return(errors);
}
}
if (model.FetchMethod == FetchMethod.DexcomShare)
{
if (string.IsNullOrWhiteSpace(model.DexcomUsername))
{
errors.Add("Dexcom Username is missing");
}
if (string.IsNullOrWhiteSpace(model.DexcomPassword))
{
errors.Add("Dexcom Password is missing");
}
}
else
{
string nightScoutError = ValidateNightScout(model);
if (!String.IsNullOrWhiteSpace(nightScoutError))
{
errors.Add(nightScoutError);
}
}
if (string.IsNullOrWhiteSpace(model.DatabaseLocation))
{
errors.Add("Database Location is missing");
}
if (!(model.HighBg > model.WarningHighBg && model.WarningHighBg > model.WarningLowBg && model.WarningLowBg > model.LowBg && model.LowBg > model.CriticalLowBg))
{
errors.Add("Thresholds overlap ");
}
return(errors);
}
public GlucoseFetchService(IOptions <GlucoseTraySettings> options, ILogger <IGlucoseFetchService> logger, IHttpClientFactory httpClientFactory)
{
_logger = logger;
_options = options.Value;
_httpClientFactory = httpClientFactory;
}
public IconService(ILogger <IconService> logger, IOptions <GlucoseTraySettings> options)
{
_logger = logger;
_options = options.Value;
}