public static string Process(MiniRedisStorage storage, string command)
{
var parameters = new Regex(@"\s\s+")
.Replace(command, " ")
.Split(" ");
if (parameters.Length == 0)
{
throw new ArgumentException("Command is not specified");
}
const string nil = "(nil)";
var cmd = parameters[0];
return(cmd.ToUpperInvariant() switch
{
"SET" => (storage.Set(parameters) ?? nil),
"GET" => (storage.Get(parameters) ?? nil),
"DEL" => storage.Del(parameters),
"DBSIZE" => storage.DbSize(parameters),
"INCR" => storage.Incr(parameters),
"ZADD" => storage.ZAdd(parameters),
"ZCARD" => storage.ZCard(parameters),
"ZRANK" => (storage.ZRank(parameters) ?? nil),
"ZRANGE" => storage.ZRange(parameters) ?? nil,
_ => throw new ArgumentException($"Could not recognize command '{cmd}'")
});
public static string Set(this MiniRedisStorage storage, string[] parameters)
{
AssertLengthIsExactly(parameters, 3, 4);
if (parameters.Length == 3)
{
return(storage.Set(parameters[1], parameters[2], null));
}
var secondsParam = parameters[3];
if (!int.TryParse(secondsParam, out var seconds))
{
throw new ArgumentException($"Unable to parse {secondsParam}, number of seconds was expected");
}
var key = parameters[1];
var value = parameters[2];
return(storage.Set(key, value, seconds));
}