private void OnSentenceHeader2VM(SqlDataReader reader, LearnEnSentenceViewModel vm)
{
var idx = 0;
vm.ID = reader.GetInt32(idx++);
vm.HID = reader.GetInt32(idx++);
vm.Sentence = reader.GetString(idx++);
if (!reader.IsDBNull(idx))
{
vm.CreatedBy = reader.GetString(idx++);
}
else
{
++idx;
}
if (!reader.IsDBNull(idx))
{
vm.CreatedAt = reader.GetDateTime(idx++);
}
else
{
++idx;
}
if (!reader.IsDBNull(idx))
{
vm.UpdatedBy = reader.GetString(idx++);
}
else
{
++idx;
}
if (!reader.IsDBNull(idx))
{
vm.UpdatedAt = reader.GetDateTime(idx++);
}
else
{
++idx;
}
}
public async Task <IActionResult> Get([FromQuery] Int32 hid, Int32 top = 100, Int32 skip = 0)
{
if (hid <= 0)
{
return(BadRequest("No Home Inputted"));
}
String usrName = String.Empty;
if (Startup.UnitTestMode)
{
usrName = UnitTestUtility.UnitTestUser;
}
else
{
var usrObj = HIHAPIUtility.GetUserClaim(this);
usrName = usrObj.Value;
}
if (String.IsNullOrEmpty(usrName))
{
return(BadRequest("User cannot recognize"));
}
BaseListViewModel <LearnEnSentenceViewModel> listVm = new BaseListViewModel <LearnEnSentenceViewModel>();
SqlConnection conn = null;
SqlCommand cmd = null;
SqlDataReader reader = null;
String queryString = "";
String strErrMsg = "";
HttpStatusCode errorCode = HttpStatusCode.OK;
try
{
queryString = this.getQueryString(true, top, skip, null, 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();
if (reader.HasRows)
{
while (reader.Read())
{
listVm.TotalCount = reader.GetInt32(0);
break;
}
}
reader.NextResult();
if (reader.HasRows)
{
while (reader.Read())
{
LearnEnSentenceViewModel vm = new LearnEnSentenceViewModel();
OnSentenceHeader2VM(reader, vm);
listVm.Add(vm);
}
}
}
}
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(listVm, setting));
}
public async Task <IActionResult> Post([FromBody] LearnEnSentenceViewModel vm)
{
var usrObj = HIHAPIUtility.GetUserClaim(this);
var usrName = usrObj.Value;
if (String.IsNullOrEmpty(usrName))
{
return(BadRequest("User cannot recognize"));
}
if (vm == null)
{
return(BadRequest("No data is inputted"));
}
if (vm.HID <= 0)
{
return(BadRequest("No Home Inputted"));
}
if (vm.Sentence != null)
{
vm.Sentence = vm.Sentence.Trim();
}
if (String.IsNullOrEmpty(vm.Sentence))
{
return(BadRequest("Sentence is a must!"));
}
if (vm.Explains == null || vm.Explains.Count <= 0)
{
return(BadRequest("Explain is a must"));
}
// Update the database
SqlConnection conn = null;
SqlCommand cmd = null;
SqlDataReader reader = null;
SqlTransaction tran = null;
String queryString = "";
Int32 nNewID = -1;
String strErrMsg = "";
HttpStatusCode errorCode = HttpStatusCode.OK;
try
{
queryString = @"SELECT [ID] FROM [dbo].[t_learn_ensent] WHERE [Word] = N'" + vm.Sentence + "' AND [HID] = " + vm.HID.ToString();
using (conn = new SqlConnection(Startup.DBConnectionString))
{
await conn.OpenAsync();
// Check Home assignment with current user
try
{
HIHAPIUtility.CheckHIDAssignment(conn, vm.HID, usrName);
}
catch (Exception)
{
errorCode = HttpStatusCode.BadRequest;
throw;
}
cmd = new SqlCommand(queryString, conn);
reader = cmd.ExecuteReader();
if (reader.HasRows)
{
Int32 nDuplicatedID = -1;
while (reader.Read())
{
nDuplicatedID = reader.GetInt32(0);
break;
}
errorCode = HttpStatusCode.BadRequest;
throw new Exception("Object with name already exists: " + nDuplicatedID.ToString());
}
else
{
reader.Dispose();
reader = null;
cmd.Dispose();
cmd = null;
// Now go ahead for the creating
queryString = @"INSERT INTO [dbo].[t_learn_ensent]
([HID]
,[Sentence]
,[CREATEDBY]
,[CREATEDAT])
VALUES (@HID
,@Sentence
,@CREATEDBY
,@CREATEDAT); SELECT @Identity = SCOPE_IDENTITY();";
tran = conn.BeginTransaction();
// Header
cmd = new SqlCommand(queryString, conn, tran);
cmd.Parameters.AddWithValue("@HID", vm.HID);
cmd.Parameters.AddWithValue("@Sentence", vm.Sentence);
cmd.Parameters.AddWithValue("@CREATEDBY", usrName);
cmd.Parameters.AddWithValue("@CREATEDAT", vm.CreatedAt);
SqlParameter idparam = cmd.Parameters.AddWithValue("@Identity", SqlDbType.Int);
idparam.Direction = ParameterDirection.Output;
Int32 nRst = await cmd.ExecuteNonQueryAsync();
nNewID = (Int32)idparam.Value;
vm.ID = nNewID;
cmd.Dispose();
cmd = null;
// Explains
foreach (var exp in vm.Explains)
{
queryString = @"INSERT INTO [dbo].[t_learn_ensentexp]
([SentID]
,[ExpID]
,[LangKey]
,[ExpDetail])
VALUES (@SentID
,@ExpID
,@LangKey
,@ExpDetail)";
cmd = new SqlCommand(queryString, conn, tran);
cmd.Parameters.AddWithValue("@SentID", vm.ID);
cmd.Parameters.AddWithValue("@ExpID", exp.ExpID);
cmd.Parameters.AddWithValue("@LangKey", exp.LanguageKey);
cmd.Parameters.AddWithValue("@ExpDetail", exp.Detail);
await cmd.ExecuteNonQueryAsync();
cmd.Dispose();
cmd = null;
}
// Related words
foreach (var rwid in vm.RelatedWordIDs)
{
queryString = @"INSERT INTO [dbo].[t_learn_ensent_word] ([SentID],[WordID]) VALUES (@SentID, @WordID)";
cmd = new SqlCommand(queryString, conn, tran);
cmd.Parameters.AddWithValue("@SentID", vm.ID);
cmd.Parameters.AddWithValue("@WordID", rwid);
await cmd.ExecuteNonQueryAsync();
cmd.Dispose();
cmd = null;
}
tran.Commit();
}
}
}
catch (Exception exp)
{
#if DEBUG
System.Diagnostics.Debug.WriteLine(exp.Message);
#endif
if (tran != null)
{
tran.Rollback();
}
strErrMsg = exp.Message;
if (errorCode == HttpStatusCode.OK)
{
errorCode = HttpStatusCode.InternalServerError;
}
}
finally
{
if (tran != null)
{
tran.Dispose();
tran = null;
}
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));
}
}
vm.ID = nNewID;
var setting = new Newtonsoft.Json.JsonSerializerSettings
{
DateFormatString = HIHAPIConstants.DateFormatPattern,
ContractResolver = new Newtonsoft.Json.Serialization.CamelCasePropertyNamesContractResolver()
};
return(new JsonResult(vm, setting));
}
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));
}
