public async Task<AppConfiguration> LoadConfigData()
{
try
{
var folder = await CreateFolderToSaveAsync();
if (folder == null) return null;
var fileExists = await folder.CheckExistsAsync(FileName);
if (fileExists == ExistenceCheckResult.FileExists)
{
var file = await folder.GetFileAsync(FileName);
if (file == null) return null;
var jsonData = await file.ReadAllTextAsync();
if (string.IsNullOrEmpty(jsonData)) return null;
var dic = JsonConvert.DeserializeObject<Dictionary<string, AppConfigurationValue>>(jsonData);
var appConfig = new AppConfiguration();
foreach (var value in dic.Values)
{
if (string.IsNullOrEmpty(value?.Attributes?.Name)) continue;
appConfig[value.Attributes.Name] = value;
}
return appConfig;
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
return null;
}
public async Task<bool> Save(AppConfiguration appConfiguration, TimeSpan expirationTime = default(TimeSpan))
{
var res = false;
if (appConfiguration == null) return res;
try
{
var folder = await CreateFolderToSaveAsync();
if (folder == null) return res;
var file = await folder.CreateFileAsync(FileName, CreationCollisionOption.ReplaceExisting);
if (file == null) return res;
var appConfigJson = JsonConvert.SerializeObject(appConfiguration);
await file.WriteAllTextAsync(appConfigJson);
SetCacheExpirationTime(expirationTime);
res = true;
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
return res;
}
public async Task<bool> Save(AppConfiguration appConfiguration, TimeSpan expirationTime = default(TimeSpan))
{
var res = false;
if (appConfiguration == null) return res;
try
{
var folder = await CreateFolderToSaveAsync();
if (folder == null) return res;
var file = await folder.CreateFileAsync(FileName, CreationCollisionOption.ReplaceExisting);
if (file == null) return res;
var valuesDict = new Dictionary<string,AppConfigurationValue>();
var keys = appConfiguration.Keys;
foreach (var key in keys)
{
if (!valuesDict.ContainsKey(key) && appConfiguration[key] != null)
{
valuesDict.Add(key, appConfiguration[key]);
}
}
var appConfigJson = JsonConvert.SerializeObject(valuesDict, Formatting.Indented);
await file.WriteAllTextAsync(appConfigJson);
SetCacheExpirationTime(expirationTime);
res = true;
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
return res;
}
private AppConfiguration CreateAppConfigurationOutOfServerResponse(AppConfigurationServerResponse appConfigurationServerResponse)
{
AppConfiguration res = null;
if ((appConfigurationServerResponse?.HasErrors ?? true) || !appConfigurationServerResponse.HasConfigValues) return res;
res = new AppConfiguration();
foreach (var value in appConfigurationServerResponse.AppConfigValues)
{
if (string.IsNullOrEmpty(value?.Attributes?.Name)) continue;
res[value.Attributes.Name] = value;
}
return res;
}