private async Task <IAuthenticationProvider> AuthenticationProviderAsync() => authenticationProvider ?? (authenticationProvider = await graphAuthenticationProviderFactory.GetByConfig(config));
public async Task <CalendarConfiguration[]> GetConfigurations(string userid)
{
var storedConfigurations = await repository.GetConfigurations(userid);
var res = new List <CalendarConfiguration>();
if (null == storedConfigurations)
{
return(null);
}
foreach (var config in storedConfigurations)
{
if (config.Type == CalendarType.Microsoft)
{
Feed[] feeds = new Feed[0];
var provider = await authenticationProviderFactory.GetByConfig(config);
var client = new GraphServiceClient(provider);
try
{
var calendars = await client.Me.Calendars.Request().GetAsync();
feeds = calendars.Select(calendar => new Feed()
{
Id = calendar.Id,
Name = calendar.Name,
Subscribed = config.SubscribedFeeds.Any(v => v.FeedId == calendar.Id)
}).ToArray();
}
catch (Exception e)
{
logger.LogError(e, "Could not retrieve feeds from MSGraph");
}
res.Add(new CalendarConfiguration()
{
Type = config.Type,
Feeds = feeds,
Id = config.Id,
Identifier = "MS Calendar"
});
}
else if (config.Type == CalendarType.Google)
{
Feed[] feeds = new Feed[0];
var client = new Google.Apis.Calendar.v3.CalendarService(new Google.Apis.Services.BaseClientService.Initializer()
{
HttpClientInitializer = await googleCredentialProvider.CreateByConfigAsync(config)
});
try
{
var calendars = await client.CalendarList.List().ExecuteAsync();
feeds = calendars.Items.Select(calendar => new Feed()
{
Id = calendar.Id,
Name = calendar.Summary,
Subscribed = config.SubscribedFeeds.Any(v => v.FeedId == calendar.Id)
}).ToArray();
}
catch (Exception e)
{
logger.LogError(e, "Could not retrieve feeds from Google");
}
res.Add(new CalendarConfiguration()
{
Type = config.Type,
Feeds = feeds,
Id = config.Id,
Identifier = "Google"
});
}
else
{
throw new NotImplementedException();
}
}
return(res.ToArray());
}