public async Task <QueryResult <TResponse> > Handle(TQuery query, RequestContext context)
{
var queryInfo = queryInfoProvider.GetQueryInfo(query.GetType().Name);
// no way but lets check. no need to break the call.
if (queryInfo == null || !queryInfo.HasCache)
{
// log critical ?
return(await decoratedRequestHandler.Handle(query, context));
}
string cacheEntryKey = "";
cacheEntryKey = GetCacheEntryKey(query, context, queryInfo);
var result = await distributedCache.GetOrAddAsync(cacheEntryKey, async entry =>
{
var getResult = await decoratedRequestHandler.Handle(query, context);
if (getResult.HasError)
{
throw new Exception($"Cache handler {getResult.ErrosToString()}");
}
if (queryInfo.CacheOption.ExpireInSeconds > 0)
{
entry.SetAbsoluteExpiration(new DateTimeOffset(DateTime.Now.AddSeconds(queryInfo.CacheOption.ExpireInSeconds)));
}
return(getResult.Result);
});
return(new QueryResult <TResponse>(result));
}
public async Task <QueryResult <TResponse> > Handle(TQuery query, RequestContext context)
{
logger.LogDebug("Cache decorator starting");
var queryInfo = queryInfoProvider.GetQueryInfo(query.GetType().Name);
logger.LogDebug($"Query info query name is {queryInfo?.Name}");
// no way but lets check. no need to break the call.
if (queryInfo == null || !queryInfo.HasCache)
{
logger.LogDebug($"Query info is null or query info has cache is {queryInfo?.HasCache}");
return(await decoratedRequestHandler.Handle(query, context));
}
string cacheEntryKey = "";
logger.LogDebug($"Getting CacheEntryKey");
cacheEntryKey = GetCacheEntryKey(query, context, queryInfo);
logger.LogDebug($"CacheEntryKey getted successfully: {cacheEntryKey}");
var result = await memoryCache.GetOrAddAsync <TResponse>(cacheEntryKey, async entry =>
{
var getResult = await decoratedRequestHandler.Handle(query, context);
if (getResult.HasError)
{
throw new Exception($"Cache handler error.Error:{getResult.ErrorsToString()}");
}
if (getResult.Code == Messages.NotFound)
{
throw new Exception($"No record found to cache");
}
if (queryInfo.CacheOption.ExpireInSeconds > 0)
{
entry.SetAbsoluteExpiration(new DateTimeOffset(DateTime.Now.AddSeconds(queryInfo.CacheOption.ExpireInSeconds)));
}
return(getResult.Result);
});
return(new QueryResult <TResponse>(result));
}
