private async Task <string> DownloadString(Uri url, bool forceRefresh = false)
{
return(await JsonCache.GetAsync(url.ToCacheKey(),
() => _httpClient.GetStringAsync(url),
DateTime.UtcNow.AddHours(6),
forceRefresh));
}
public async Task SetCacheKeyTest()
{
//Clear the cache
await JsonCache.ClearAll();
await JsonCache.Set("test", "result set");
var result = await JsonCache.GetAsync("test", () => LongRunningOperation("result 2"));
Assert.AreEqual("result set", result);
}
public async Task ForceGetTest()
{
//Clear the cache
await JsonCache.ClearAll();
var result1 = await JsonCache.GetAsync("test", () => LongRunningOperation("result"));
Assert.AreEqual("result", result1);
var result2 = await JsonCache.GetAsync("test", () => LongRunningOperation("result 2"), forceRefresh : true);
Assert.AreEqual("result 2", result2); //Not from cache
}
public async Task GetCacheTest()
{
//Clear the cache
await JsonCache.ClearAll();
var result1 = await JsonCache.GetAsync("test", () => LongRunningOperation("result"));
Assert.AreEqual("result", result1);
var result2 = await JsonCache.GetAsync("test", () => LongRunningOperation("result 2"));
Assert.AreEqual("result", result2);
}
public async Task DeleteCacheKeyTest()
{
//Clear the cache
await JsonCache.ClearAll();
var result1 = await JsonCache.GetAsync("test", () => LongRunningOperation("result"));
Assert.AreEqual("result", result1);
await JsonCache.Delete("test");
var result2 = await JsonCache.GetAsync("test", () => LongRunningOperation("result 2"));
Assert.AreEqual("result 2", result2); //Not from cache
}
private async Task GetPrijs(PlannerSearch search)
{
ReisPrijs result = await PrijsLoader.LoadAsync(() => JsonCache.GetAsync(search.GetUniquePriceId(), () => _prijsService.GetPrijs(search)));
this.Prijs = result;
}
/// <summary>
/// First return cached result, then refresh this result with live value
/// </summary>
private void CacheRefreshAction()
{
CacheRefreshResult = string.Empty;
//Fire task
//Will show loader in the UI
CacheRefreshDataLoader.LoadCacheThenRefreshAsync(() => JsonCache.GetFromCache <string>("key6"), () => JsonCache.GetAsync("key6", () => LongRunningOperation(DateTime.Now.Second.ToString()), expireDate: DateTime.Now.AddDays(1), forceRefresh: true), x =>
{
CacheRefreshResult = x;
});
}
/// <summary>
/// Get from cache with Exception result
/// </summary>
private async void CacheWithExceptionAction()
{
//Fire task
//Will show loader in the UI
string result = await CacheWithExceptionDataLoader.LoadAsync(() => JsonCache.GetAsync("samplekey_exception", () => LongRunningOperationWithException(), expireDate: DateTime.Now.AddDays(1)));
}
/// <summary>
/// Get data from cache (or insert into cache if it's not there yet)
/// </summary>
private async void CacheAction()
{
//Fire task
//Will show loader in the UI
string result = await CacheDataLoader.LoadAsync(() => JsonCache.GetAsync("samplekey", () => LongRunningOperation()));
}