public async Task <IActionResult> Subscribe()
{
Console.WriteLine($"/pollinator/atom/subscribe{Request.QueryString}");
string uriQuery = Request.Query["uri"];
var user = await GetUserFromUriQuery(uriQuery);
var aggregator = await GetAggregatorFromUriQuery(uriQuery);
if (user == null && aggregator == null)
{
return(Ok());
}
var author = await _userManager.GetUserAsync(User);
if (user != null)
{ // user subscription
// only add subscription when the subscription doesn't already exist
// and if the requested user is not the author
if (await _userSubscriptionManager.FindAsync(author, user) == null &&
user.Id != author.Id)
{
// add subscription
if (!await _userSubscriptionManager.AddAsync(author, user))
{
return(StatusCode(500));
}
}
// redirect request to /user/{userId}
return(await AtomUser(user.Id));
}
else
{ // aggregator subscription
// only add subscription when the subscription doesn't already exist
// and if the requested aggregator author is not the author
if (await _aggregatorSubscriptionManager.FindAsync(author, aggregator) == null &&
author.Id != aggregator.AuthorId)
{
// add subscription
if (!await _aggregatorSubscriptionManager.AddAsync(author, aggregator))
{
return(StatusCode(500));
}
}
// redirect request to /aggregator/{id}
return(await Aggregator(aggregator.AggregatorId));
}
}
