public async Task <string> GetSettings(string path)
{
if (string.IsNullOrEmpty(path))
{
throw new ArgumentException("Invalid argument for get settings", nameof(path));
}
string[] items = path.Split('.', StringSplitOptions.RemoveEmptyEntries);
bool needJson = items.Length > 1;
JsonWriter w = new JsonWriter(Formatting.None);
JsonValue settings = null;
if (!_cache.TryGetValue(items[0], out string s))
{
using (MdbContext mdb = _mdbFactory.GetContext(Properties.Strings.DefaultConnection))
using (var dr = await mdb.GetReaderAsync(_sql_get_settings,
new MdbParameter("@identifier", items[0])))
{
if (!dr.Read())
{
throw new KeyNotFoundException($"No found setting with Identifier = '{items[0]}'");
}
w.WriteStartObject();
for (int i = 0; i < dr.FieldCount; i++)
{
string name = dr.GetName(i);
if (name == "ValueString")
{
string source = (string)dr.GetValue(i);
if (needJson && !JsonValue.TryParse(source, out settings))
{
throw new KeyNotFoundException($"No found setting with path = '{path}' Or ValueString is not json format");
}
w.WritePropertyName("Settings");
if (needJson || JsonValue.Test(source))
{
w.WriteRaw(source);
}
else
{
w.WriteValue(source);
}
}
else
{
w.WriteProperty(name, dr.GetValue(i));
}
}
w.WriteEndObject();
s = w.ToString();
_cache.TryAdd(items[0], s);
}
}
else if (needJson)
{
settings = new JsonReader(s).Read()["Settings"];
}
if (!needJson)
{
return(s);
}
else if (settings == null)
{
throw new InvalidCastException($"ValueString has not valid json format");
}
var result = settings[items[1]];
for (int i = 2; i < items.Length; i++)
{
result = result[items[i]];
}
return(result.ToString());
}
