public static IServiceCollection AddFeedReaderServerCoreServices([NotNullAttribute] this IServiceCollection services)
{
// Add log service.
var sc = new ServiceCollection();
sc.AddLogging();
// Add db factory.
var dbConns = Environment.GetEnvironmentVariable(Consts.ENV_KEY_FEEDREADER_DB_CONNECTION_STRING);
sc.AddDbContextFactory <FeedReaderDbContext>(options => options.UseNpgsql(dbConns));
// Add local cache.
sc.AddMemoryCache();
// Add remote cache.
var redisConnectionString = Environment.GetEnvironmentVariable(Consts.ENV_KEY_FEEDREADER_REDIS_CONNECTION_STRING);
sc.AddStackExchangeRedisCache(options =>
{
options.ConfigurationOptions = StackExchange.Redis.ConfigurationOptions.Parse(redisConnectionString);
});
// Add solr service.
var solrFeedItemConnectionString = Environment.GetEnvironmentVariable(Consts.ENV_KEY_FEEDREADER_SOLR_FEEDITEM_CONNECTION_STRING);
sc.AddSolrNet <Solrs.FeedItem>(solrFeedItemConnectionString);
// Add feed service.
sc.AddSingleton <IAuthService, AuthService>();
sc.AddSingleton <IUserService, UserService>();
sc.AddSingleton <IFeedService, FeedService>();
// Expose feed reader server core services.
var sp = sc.BuildServiceProvider();
services.AddSingleton <IAuthService>(_ => sp.GetRequiredService <IAuthService>());
services.AddSingleton <IUserService>(_ => sp.GetRequiredService <IUserService>());
services.AddSingleton <IFeedService>(_ => sp.GetRequiredService <IFeedService>());
return(services);
}