private void OnSentenceExplain2VM(SqlDataReader reader, LearnEnSentenceExpViewModel vmExp)
{
var idx = 0;
vmExp.ExpID = reader.GetInt32(idx++);
vmExp.LanguageKey = reader.GetString(idx++);
vmExp.Detail = reader.GetString(idx++);
}
public async Task <IActionResult> Get(int id, [FromQuery] Int32 hid = 0)
{
if (hid <= 0)
{
return(BadRequest("No Home Inputted"));
}
var usrObj = HIHAPIUtility.GetUserClaim(this);
var usrName = usrObj.Value;
if (String.IsNullOrEmpty(usrName))
{
return(BadRequest("User cannot recognize"));
}
LearnEnSentenceViewModel vm = new LearnEnSentenceViewModel();
SqlConnection conn = null;
SqlCommand cmd = null;
SqlDataReader reader = null;
String queryString = "";
String strErrMsg = "";
HttpStatusCode errorCode = HttpStatusCode.OK;
try
{
queryString = this.getQueryString(false, null, null, id, hid);
using (conn = new SqlConnection(Startup.DBConnectionString))
{
await conn.OpenAsync();
// Check Home assignment with current user
try
{
HIHAPIUtility.CheckHIDAssignment(conn, hid, usrName);
}
catch (Exception)
{
errorCode = HttpStatusCode.BadRequest;
throw;
}
cmd = new SqlCommand(queryString, conn);
reader = cmd.ExecuteReader();
// Header
if (reader.HasRows)
{
while (reader.Read())
{
OnSentenceHeader2VM(reader, vm);
break; // Should only one result!!!
}
}
else
{
errorCode = HttpStatusCode.NotFound;
throw new Exception();
}
await reader.NextResultAsync();
// Explains
if (reader.HasRows)
{
while (reader.Read())
{
// Explain
var vmExp = new LearnEnSentenceExpViewModel();
OnSentenceExplain2VM(reader, vmExp);
vm.Explains.Add(vmExp);
}
}
await reader.NextResultAsync();
if (reader.HasRows)
{
while (reader.Read())
{
// Word ID
vm.RelatedWordIDs.Add(reader.GetInt32(0));
}
}
}
}
catch (Exception exp)
{
System.Diagnostics.Debug.WriteLine(exp.Message);
strErrMsg = exp.Message;
if (errorCode == HttpStatusCode.OK)
{
errorCode = HttpStatusCode.InternalServerError;
}
}
finally
{
if (reader != null)
{
reader.Dispose();
reader = null;
}
if (cmd != null)
{
cmd.Dispose();
cmd = null;
}
if (conn != null)
{
conn.Dispose();
conn = null;
}
}
if (errorCode != HttpStatusCode.OK)
{
switch (errorCode)
{
case HttpStatusCode.Unauthorized:
return(Unauthorized());
case HttpStatusCode.NotFound:
return(NotFound());
case HttpStatusCode.BadRequest:
return(BadRequest(strErrMsg));
default:
return(StatusCode(500, strErrMsg));
}
}
var setting = new Newtonsoft.Json.JsonSerializerSettings
{
DateFormatString = HIHAPIConstants.DateFormatPattern,
ContractResolver = new Newtonsoft.Json.Serialization.CamelCasePropertyNamesContractResolver()
};
return(new JsonResult(vm, setting));
}
