public SubjectBDO GetSubject(string subjectCode)
{
SubjectBDO sbdo = new SubjectBDO();
Subject subj = new Subject();
try {
using (var DCEnt = new DCFIEntities())
{
var sub = (from s in DCEnt.Subjects
where s.SubjectCode == subjectCode
select s).FirstOrDefault();
subj = sub;
ConvertSubjectToSubjectBDO(subj, sbdo);
}
}
catch (DbEntityValidationException dbEx)
{
foreach (var validationErrors in dbEx.EntityValidationErrors)
{
foreach (var validationError in validationErrors.ValidationErrors)
{
Trace.TraceInformation("Property: {0} Error: {1}",
validationError.PropertyName,
validationError.ErrorMessage);
}
}
}
return sbdo;
}
public void ConvertSubjectBDOToSubject(SubjectBDO sbdo, Subject s)
{
s.SubjectID = sbdo.SubjectID;
s.Description = sbdo.Description;
s.GradeLevel = sbdo.GradeLevel;
s.LearningAreaCode = sbdo.LearningAreaCode;
s.SubjectCode = sbdo.SubjectCode;
}
public void ConvertSubjectToSubjectBDO(Subject s, SubjectBDO sbdo)
{
sbdo.Description = s.Description;
sbdo.GradeLevel = s.GradeLevel;
sbdo.LearningAreaCode = s.LearningAreaCode;
sbdo.SubjectCode = s.SubjectCode;
sbdo.SubjectID = s.SubjectID;
sbdo.MPW = s.MPW;
}
public void ConvertSubjectToSubjectBDO(Subject s, SubjectBDO sbdo)
{
LearningAreaDAO ldao = new LearningAreaDAO();
LearningAreaBDO la = new LearningAreaBDO();
sbdo.Description = s.Description;
sbdo.GradeLevel = s.GradeLevel;
sbdo.LearningAreaCode = s.LearningAreaCode;
sbdo.SubjectCode = s.SubjectCode;
sbdo.SubjectID = s.SubjectID;
// ldao.ConvertLearningAreaToLearningAreaBDO(s.LearningArea, la);
sbdo.LearningArea = la;
}
public void ConvertSubjectBDOToSubject(SubjectBDO sbdo, Subject s)
{
//LearningAreaDAO ldao = new LearningAreaDAO();
//LearningArea l = new LearningArea();//s.LearningArea = sbdo.LearningArea;
s.SubjectID = sbdo.SubjectID;
s.Description = sbdo.Description;
s.GradeLevel = sbdo.GradeLevel;
s.LearningAreaCode = sbdo.LearningAreaCode;
s.SubjectCode = sbdo.SubjectCode;
s.MPW = sbdo.MPW;
// ldao.ConvertLearningAreaBDOToLearningArea(sbdo.LearningArea, l);
// s.LearningArea = l;
}
public SubjectBDO GetSubject(string subjectCode)
{
SubjectBDO sbdo = new SubjectBDO();
Subject subj = new Subject();
using (var DCEnt = new DCFIEntities())
{
var sub = (from s in DCEnt.Subjects
where s.SubjectCode == subjectCode
select s).FirstOrDefault();
subj = sub;
}
ConvertSubjectToSubjectBDO(subj, sbdo);
return sbdo;
}
public Boolean CreateSubject(ref SubjectBDO subjectBDO, ref string message)
{
message = "Subject Added Successfully";
bool ret = true;
Subject s = new Subject();
ConvertSubjectBDOToSubject(subjectBDO, s);
using (var DCEnt = new DCFIEntities())
{
DCEnt.Subjects.Attach(s);
DCEnt.Entry(s).State = System.Data.Entity.EntityState.Added;
int num = DCEnt.SaveChanges();
if (num != 1)
{
ret = false;
message = "Adding of Subject failed";
}
}
return ret;
}
public Boolean CreateSubject(ref SubjectBDO subjectBDO, ref string message)
{
message = "Subject Added Successfully";
bool ret = true;
Subject s = new Subject();
try {
ConvertSubjectBDOToSubject(subjectBDO, s);
using (var DCEnt = new DCFIEntities())
{
DCEnt.Subjects.Attach(s);
DCEnt.Entry(s).State = System.Data.Entity.EntityState.Added;
int num = DCEnt.SaveChanges();
if (num != 1)
{
ret = false;
message = "Adding of Subject failed";
}
}
}
catch (DbEntityValidationException dbEx)
{
foreach (var validationErrors in dbEx.EntityValidationErrors)
{
foreach (var validationError in validationErrors.ValidationErrors)
{
Trace.TraceInformation("Property: {0} Error: {1}",
validationError.PropertyName,
validationError.ErrorMessage);
}
}
}
return ret;
}
public List<Subject> ToSubjectList(List<SubjectBDO> slist)
{
List<Subject> sList = new List<Subject>();
foreach (SubjectBDO sbdo in slist)
{
Subject s = new Subject();
ConvertSubjectBDOToSubject(sbdo, s);
sList.Add(s);
}
return sList;
}
public ICollection<Subject> ToSubjectList(List<SubjectBDO> slist)
{
SubjectDAO sd = new SubjectDAO();
ICollection<Subject> subjectList = new List<Subject>();
foreach (SubjectBDO sbdo in slist)
{
Subject subject = new Subject();
sd.ConvertSubjectBDOToSubject(sbdo, subject);
subjectList.Add(subject);
}
return subjectList;
//SubjectDAO sd = new SubjectDAO();
//ICollection<Subject> sList = new List<Subject>();
//foreach (SubjectBDO sbdo in slist)
//{
// Subject s = new Subject();
// sd.ConvertSubjectToSubjectBDO(s, sbdo);
// sList.Add(s);
//}
//return sList;
}
public ICollection<Subject> ToSubjectList(List<SubjectBDO> slist)
{
SubjectDAO sd = new SubjectDAO();
ICollection<Subject> subjectList = new List<Subject>();
foreach (SubjectBDO sbdo in slist)
{
Subject subject = new Subject();
sd.ConvertSubjectBDOToSubject(sbdo, subject);
subjectList.Add(subject);
}
return subjectList;
}
private Boolean CompareSubject(Subject inDB, Subject inNew)
{
if (inDB.LearningAreaCode == inNew.LearningAreaCode && inDB.SubjectCode == inNew.SubjectCode && inDB.Description == inNew.Description && inDB.MPW == inNew.MPW)
return true;
else return false;
}
public Boolean UpdateLearningArea(ref LearningAreaBDO laBDO, ref string message)
{
List<Subject> toRemove;
List<Subject> toAdd;
List<Subject> toUpdate;
Boolean ret = true;
LearningArea l = new LearningArea();
LearningArea laInDB = new LearningArea();
LearningArea laInDB2 = new LearningArea();
try {
using (var DCEnt = new DCFIEntities())
{
var learningAreaCode = laBDO.LearningAreaCode;
laInDB = (from la in DCEnt.LearningAreas
where la.LearningAreaCode.Equals(learningAreaCode)
select la).FirstOrDefault();
if (laInDB == null)
{
throw new Exception("No Learning Area with Code " + laBDO.LearningAreaCode);
}
l.Academic = laBDO.Academic;
l.Description = laBDO.Description;
l.LearningAreaCode = laBDO.LearningAreaCode;
l.RatePerSubject = laBDO.RatePerSubject;
l.RatePerUnit = laBDO.RatePerUnit;
l.Units = laBDO.Units;
l.Subjects = ToSubjectList(laBDO.Subjects);
if (laInDB.Subjects.Count == 0)
{
foreach (Subject s in l.Subjects)
{
laInDB.Subjects.Add(s);
}
}
else
{
toRemove = new List<Subject>();
toAdd = new List<Subject>();
toUpdate = new List<Subject>();
foreach (Subject s in l.Subjects)
{
Subject subj = new Subject();
subj = laInDB.Subjects.Where(sub => sub.SubjectCode == s.SubjectCode).FirstOrDefault();
if (subj == null)
{
DCEnt.Subjects.Add(s);
DCEnt.Entry(s).State = System.Data.Entity.EntityState.Added;
}
else
{
if (!CompareSubject(subj, s))
{
toUpdate.Add(s);
}
}
}
//Add new Subject
if (toAdd.Count > 0)
{
foreach (Subject c in toAdd)
{
DCEnt.Subjects.Add(c);
DCEnt.Entry(c).State = System.Data.Entity.EntityState.Added;
}
}
foreach (Subject c in laInDB.Subjects)
{
Subject subj = new Subject();
subj = l.Subjects.Where(sub => sub.SubjectCode == c.SubjectCode).FirstOrDefault();
Subject upSubj = new Subject();
upSubj = toUpdate.Where(sub => sub.SubjectCode == c.SubjectCode).FirstOrDefault();
//toRemove subject
if (subj == null)
{
DCEnt.Subjects.Remove(c);
DCEnt.Entry(c).State = System.Data.Entity.EntityState.Deleted;
}
//toUpdate subject
if (upSubj != null)
{
c.Description = upSubj.Description;
c.MPW = upSubj.MPW;
DCEnt.Entry(c).State = System.Data.Entity.EntityState.Modified;
}
}
DCEnt.LearningAreas.Attach(laInDB);
DCEnt.Entry(laInDB).State = System.Data.Entity.EntityState.Modified;
}
int num = DCEnt.SaveChanges();
if (num > 0)
{
message = "No learning area is updated.";
}
}
}
catch (DbEntityValidationException dbEx)
{
foreach (var validationErrors in dbEx.EntityValidationErrors)
{
foreach (var validationError in validationErrors.ValidationErrors)
{
Trace.TraceInformation("Property: {0} Error: {1}",
validationError.PropertyName,
validationError.ErrorMessage);
}
}
}
return ret;
}
