private async Task <List <Meta> > ProcessMetaAsync(List <object> data)
{
bool codeValuesBlock = false;
int i = 0;
JArray tempJA = new JArray();
List <Meta> layerMeta = new List <Meta>();
StringBuilder sb = new StringBuilder();
StringWriter sw = new StringWriter(sb);
JsonWriter writer = new JsonTextWriter(sw);
try
{
JObject jObj = JsonUtils.MergeJSON <object>(data);
tempJA = (JArray)jObj["fields"];
JsonReader reader = tempJA.CreateReader();
await writer.WriteStartArrayAsync();
while (reader.Read())
{
if (codeValuesBlock == false)
{
if (reader.Value != null)
{
if (reader.TokenType == JsonToken.PropertyName)
{
if (reader.Value.ToString() == "domain")
{
codeValuesBlock = true;
if (jObj["fields"][i]["domain"].HasValues)
{
var something = "";
try
{
something = jObj["fields"][i]["domain"]["codedValues"].ToString();
await writer.WritePropertyNameAsync("domain");
await writer.WriteRawValueAsync(something);
await writer.WritePropertyNameAsync("range");
}
catch (NullReferenceException e)
{
await writer.WritePropertyNameAsync("range");
something = jObj["fields"][i]["domain"]["range"].ToString();
await writer.WriteRawValueAsync(something);
await writer.WritePropertyNameAsync("domain");
}
await writer.WriteStartArrayAsync();
await writer.WriteEndArrayAsync();
await writer.WriteEndObjectAsync();
}
else
{
await writer.WritePropertyNameAsync("domain");
await writer.WriteStartArrayAsync();
await writer.WriteEndArrayAsync();
await writer.WritePropertyNameAsync("range");
await writer.WriteStartArrayAsync();
await writer.WriteEndArrayAsync();
await writer.WriteEndObjectAsync();
codeValuesBlock = false;
}
i++;
}
else
{
if (reader.Value.ToString() == "name")
{
await writer.WriteStartObjectAsync();
}
await writer.WritePropertyNameAsync(reader.Value.ToString());
}
}
else
{
await writer.WriteValueAsync(reader.Value.ToString());
}
}
}
else
{
if (reader.Depth == 1)
{
codeValuesBlock = false;
}
}
}
await writer.WriteEndAsync();
layerMeta = JsonConvert.DeserializeObject <List <Meta> >(sw.ToString());
writer.Close();
}
catch (Exception e)
{
writer.Close();
}
//from appsettings.[env].json
string[] excludesList = _config.GetSection("excludeFilters").Get <string[]>();
layerMeta = layerMeta.Where(m => !excludesList.Any(e => e.ToLower() == m.name.ToLower())).ToList();
return(layerMeta);
}
