private async Task <List <Friend> > GetFriends(ulong steamId)
{
var memoryCache = new MemoryCache(new MemoryCacheOptions());
var memoryCacheProvider = new MemoryCacheProvider(memoryCache);
var ttl = new AbsoluteTtl(DateTimeOffset.Now.Date.AddMinutes(5));
var cachePolicy = Policy.CacheAsync(memoryCacheProvider, ttl, cxt => $"{cxt.OperationKey}:{steamId}");
var retryPolicy = Policy
.Handle <Exception>()
.WaitAndRetryAsync(new[]
{
TimeSpan.FromSeconds(1),
TimeSpan.FromSeconds(2),
TimeSpan.FromSeconds(3)
});
var commonResilience = Policy.WrapAsync(cachePolicy, retryPolicy);
var friends = await Policy <List <Friend> >
.Handle <Exception>()
.FallbackAsync(new List <Friend>())
.WrapAsync(commonResilience)
.ExecuteAsync(() => dotaClient.GetFriendsList(steamId));
return(friends);
}
private async Task <List <Profile> > GetProfiles(int key, params ulong[] identities)
{
var memoryCache = new MemoryCache(new MemoryCacheOptions());
var memoryCacheProvider = new MemoryCacheProvider(memoryCache);
var ttl = new AbsoluteTtl(DateTimeOffset.Now.Date.AddMinutes(5));
var cachePolicy = Policy.CacheAsync(memoryCacheProvider, ttl, cxt => $"{cxt.OperationKey}:{key}");
var retryPolicy = Policy
.Handle <Exception>()
.WaitAndRetryAsync(new[]
{
TimeSpan.FromSeconds(1),
TimeSpan.FromSeconds(5),
TimeSpan.FromSeconds(10)
});
var commonResilience = Policy.WrapAsync(cachePolicy, retryPolicy);
var profiles = await Policy <List <Profile> >
.Handle <Exception>()
.FallbackAsync(new List <Profile>())
.WrapAsync(commonResilience)
.ExecuteAsync(() => dotaClient.GetPlayersSummary(identities.ToList()));
return(profiles);
}
public void Should_return_timespan_reflecting_time_until_expiry()
{
DateTime today = DateTime.Today;
DateTime tomorrow = today.AddDays(1);
AbsoluteTtl ttlStrategy = new AbsoluteTtl(tomorrow);
SystemClock.DateTimeOffsetUtcNow = () => today;
ttlStrategy.GetTtl(new Context("someExecutionKey"), null).Timespan.Should().Be(TimeSpan.FromDays(1));
}
public void Should_return_zero_ttl_if_configured_to_expire_in_past()
{
AbsoluteTtl ttlStrategy = new AbsoluteTtl(SystemClock.DateTimeOffsetUtcNow().Subtract(TimeSpan.FromTicks(1)));
ttlStrategy.GetTtl(new Context("someExecutionKey"), null).Timespan.Should().Be(TimeSpan.Zero);
}