public string deleteKnowledgePoint(string kpId)
{
KnowledgePointTableAdapter kpta = new KnowledgePointTableAdapter();
KnowledgePointAssetRelationTableAdapter assetAdapter = new KnowledgePointAssetRelationTableAdapter();
try
{
kpta.DeleteKPById(Convert.ToInt16(kpId));
assetAdapter.DeleteRelationByKnowledgePointId(Convert.ToInt16(kpId));
return "success";
}
catch {
return "error";
}
}
public List<KnowledgePoint> GetKnowledgePointList(string courseCode, string CourseNumber)
{
List<KnowledgePoint> list = new List<KnowledgePoint>();
KnowledgePointTableAdapter kpAdapter = new KnowledgePointTableAdapter();
KnowledgePointParentChildRelationTableAdapter kpRelationAdatper = new KnowledgePointParentChildRelationTableAdapter();
KnowledgePointAssetRelationTableAdapter kpAssetAdapter = new KnowledgePointAssetRelationTableAdapter();
CourseTableAdapter courseAdapter = new CourseTableAdapter();
var courseIdList = courseAdapter.GetIdByCourseDetails(courseCode, Convert.ToInt32(CourseNumber));
int courseId = courseIdList[0].Id;
PriorityTableAdapter priorityAdapter = new PriorityTableAdapter();
AssetTableAdapter assetAdapter = new AssetTableAdapter();
AssetTypeTableAdapter assetTypeAdapter = new AssetTypeTableAdapter();
foreach (var row in kpAdapter.GetKnowledgePointByCourseId(courseId))
{
KnowledgePoint kp = new KnowledgePoint(row.Id, courseCode + CourseNumber, row.Name, row.xPos, row.yPos);
kp.priority = (Priority)Enum.Parse(typeof(Priority), priorityAdapter.GetPriorityById(row.Priority)[0].Priority);
kp.createDate = row.CreatedTime.ToString("G");
kp.modifiedDate = row.LastModifiedTime.ToString("G");
foreach (var relation in kpRelationAdatper.GetParentIdByChildId(row.Id))
{
kp.addParent(relation.ParentKnowledgePointId);
}
foreach (var relatedAsset in kpAssetAdapter.GetAssetListByKnowledgePointId(row.Id))
{
foreach (var assetPointer in assetAdapter.GetAssetDetailById(relatedAsset.AssetId))
{
AssetType type = (AssetType)Enum.Parse(typeof(AssetType), assetTypeAdapter.GetDataById(assetPointer.AssetType)[0].AssetType);
if (type == AssetType.PDF | type == AssetType.PPT | type == AssetType.Audio | type == AssetType.Video)
{
AssetPointer pointer = new AssetPointer(assetPointer.Id, assetPointer.Path + assetPointer.AssetName, type, relatedAsset.Start, relatedAsset.End);
kp.addAsset(pointer);
}
else if (type == AssetType.SelfTest)
{
int selftestId = Convert.ToInt32(assetPointer.AssetName);
SelfTestTableAdapter stAdapter = new SelfTestTableAdapter();
var st = stAdapter.GetSelfTestDataById(Convert.ToInt32(assetPointer.AssetName))[0];
SelfTestQuesion stQuestion = new SelfTestQuesion(st.Question, st.AnswerKey);
kp.addTestQuestion(stQuestion);
}
else if (type == AssetType.QandA)
{
int messageId = Convert.ToInt32(assetPointer.AssetName);
QandATableAdapter qaAdapter = new QandATableAdapter();
var qa = qaAdapter.GetQAsById(messageId)[0];
Message message = new Message(qa.Id, "user Id: " + qa.AskedBy, qa.Question);
try
{
string answerTypeString = (new AnswerTypeTableAdapter()).GetDataById(qa.AnswerType)[0].AnswerType;
Answer answer = new Answer(answerTypeString, qa.Answer);
}
catch
{
}
finally {
message.addAnswer(new Answer(AnswerType.NoAnswer, ""));
}
message.createTime = qa.CreatedTime.ToString("G");
kp.messageBox.lastModifiedDate = qa.CreatedTime.ToString("G");
kp.addMessage(message);
}
}
}
kp.createDate = row.CreatedTime.ToString("G");
kp.modifiedDate = row.LastModifiedTime.ToString("G");
list.Add(kp);
}
return list;
}
public string updateKnowledgePoint(KnowledgePoint updatedKnowledgePoint)
{
KnowledgePointTableAdapter kpAdapter = new KnowledgePointTableAdapter();
//check knowledge point exist
if (kpAdapter.GetKnowledgePointById(updatedKnowledgePoint.id).Count > 0)
{
int success = kpAdapter.UpdateKnowledgePoint(updatedKnowledgePoint.name, (int)(updatedKnowledgePoint.priority), updatedKnowledgePoint.posX, updatedKnowledgePoint.posY, Convert.ToDateTime(updatedKnowledgePoint.createDate), Convert.ToDateTime(updatedKnowledgePoint.modifiedDate), Convert.ToInt32(updatedKnowledgePoint.courseId), updatedKnowledgePoint.id);
if (success == 0)
{
return "Failed in update the details";
}
}
else
{
//int success = kpAdapter.InsertNewKnowledgePoint(updatedKnowledgePoint.name, (int)updatedKnowledgePoint.priority, updatedKnowledgePoint.posX, updatedKnowledgePoint.posY, Convert.ToDateTime("1/1/1753 12:00:00"), Convert.ToDateTime("1/1/1753 12:00:00"), Convert.ToInt32(updatedKnowledgePoint.courseId));
int success = kpAdapter.InsertNewKnowledgePoint(updatedKnowledgePoint.name, (int)updatedKnowledgePoint.priority, updatedKnowledgePoint.posX, updatedKnowledgePoint.posY, Convert.ToDateTime(updatedKnowledgePoint.createDate), Convert.ToDateTime(updatedKnowledgePoint.modifiedDate), Convert.ToInt32(updatedKnowledgePoint.courseId));
if (success == 0)
{
return "Failed in add the details";
}
}
KnowledgePointParentChildRelationTableAdapter relationAdapter = new KnowledgePointParentChildRelationTableAdapter();
var updateTable = updatedKnowledgePoint.parentsKnowledgePointsId;
relationAdapter.DeleteAllByChildId(updatedKnowledgePoint.id);
for (int j = 0; j < updateTable.Count; j++)
{
relationAdapter.InsertNewRelation(updatedKnowledgePoint.id, updateTable[j]);
}
KnowledgePointAssetRelationTableAdapter assetAdapter = new KnowledgePointAssetRelationTableAdapter();
assetAdapter.DeleteRelationByKnowledgePointId(updatedKnowledgePoint.id);
for (int j = 0; j < updatedKnowledgePoint.assets.Count; j++)
{
assetAdapter.InsertNewAssetRelation(updatedKnowledgePoint.id, updatedKnowledgePoint.assets[j].id, updatedKnowledgePoint.assets[j].start, updatedKnowledgePoint.assets[j].end);
}
AssetTableAdapter ata = new AssetTableAdapter();
for (int j = 0; j < updatedKnowledgePoint.messageBox.messageList.Count; j++)
{
assetAdapter.InsertNewAssetRelation(updatedKnowledgePoint.id, ata.GetIdByAssetName(updatedKnowledgePoint.messageBox.messageList[j].messageId.ToString())[0].Id, -1, -1);
}
return "Success";
}
