public static bool CreateBorrowTransaction(Dictionary <string, string> queries)
{
string RFID = queries["RFID"];
long memberID = long.Parse(queries["MemberID"]);
DateTime issueDate = DateTime.Parse(queries["DateIssued"]);
DateTime dueDate = DateTime.Parse(queries["DateDue"]);
SA45Team07B_LibraryEntities context = new SA45Team07B_LibraryEntities();
RFIDTag rFIDTag = context.RFIDs.Where(x => x.RFID == RFID).First();
/*This transaction combines three sequences:
* - create new issue tran in IssueTrans
* - increment of member's loan qty in Members
* - change the availability of RFID in RFIDs
* */
using (TransactionScope ts = new TransactionScope())
{
IssueTran tran = new IssueTran
{
RFID = RFID,
MemberID = memberID,
DateIssued = issueDate,
DateDue = dueDate
};
context.IssueTrans.Add(tran);
Member member = context.Members.Where(x => x.MemberID == memberID).First();
member.LoanedQty += 1;
rFIDTag.Availability = "n";
try
{
context.SaveChanges();
ts.Complete();
}
catch (Exception e)
{
return(false);
}
}
//After the transaction succeeded, update the trans id in RDIDs
var query = (from x in context.IssueTrans orderby x.TransactionID descending select x).Take(1);
rFIDTag.LastTransactionID = query.First().TransactionID;
context.SaveChanges();
return(true);
}
//Save changes
private void buttonSaveChanges_Click(object sender, EventArgs e)
{
SA45Team07B_LibraryEntities context2 = new SA45Team07B_LibraryEntities();
Member memb = context2.Members.Where(x => x.SchoolID == maskedTextBoxSchoolID.Text).First();
memb.MemberName = textBoxMemberName.Text.Trim();
memb.MemberCategories = context2.MemberCategories.Where(x => x.CategoryName == comboBoxMemberType.SelectedItem.ToString()).FirstOrDefault();
memb.Faculties = context2.Faculties.Where(x => x.FacultyName == comboBoxFacultyName.SelectedItem.ToString()).FirstOrDefault();
memb.ContactNumber = textBoxContactNumber.Text.Trim();
memb.Email = textBoxEmail.Text.ToLower();
DialogResult dr = MessageBox.Show("Confirm update member?", "Confirmation", MessageBoxButtons.YesNoCancel);
if (dr == DialogResult.Yes)
{
context2.SaveChanges();
MessageBox.Show(string.Format("Successfully updated Member <<{0}>>.", memb.MemberName));
Close();
}
else if (dr == DialogResult.No)
{
DialogResult = 0;
}
else if (dr == DialogResult.Cancel)
{
DialogResult = 0;
}
}
private void btnSubmit_Click(object sender, EventArgs e)
{
if (this.dtpReturnDate.Value >= this.dtpIssueDate.Value && this.txtbRFID.Text != string.Empty)
{
using (TransactionScope ts = new TransactionScope())
{
if (txtbRemarks.Text.Length > 255)
{
// should no happen as the textbox max length is 255
MessageBox.Show("Remarks exceed maximum length.");
}
else
{
using (SA45Team07B_LibraryEntities context = new SA45Team07B_LibraryEntities())
{
RFIDofReturnBook = (from x in context.RFIDs
where x.RFID == RFIDofReturnBook.RFID
select x).First();
lastTransaction = (from x in context.IssueTrans
where (x.TransactionID == lastTransaction.TransactionID)
select x).First();
borrower = (from x in context.Members
where x.MemberID == lastTransaction.MemberID
select x).First();
lastTransaction.DateActualReturned = this.dtpReturnDate.Value;
lastTransaction.Status = "in";
lastTransaction.Remarks = txtbRemarks.Text.ToString();
RFIDofReturnBook.Availability = "y";
borrower.LoanedQty -= 1;
int i = context.SaveChanges();
ts.Complete();
if (i > 0)
{
toolStripStatusLabel1.Text = "Return was successful.";
txtbRemarks.Text = string.Empty;
ClearTextboxData();
this.ActiveControl = txtbRFID;
}
else
{
MessageBox.Show("Return was not successful. Please try again.");
}
}
}
}
}
else
{
// cannot happen
MessageBox.Show("Invalid Return Date.");
}
}
private void btnSubmit_Click(object sender, EventArgs e)
{
using (SA45Team07B_LibraryEntities context = new SA45Team07B_LibraryEntities())
{
newbook.BookID = long.Parse(txtbBkId.Text);
//assign value for fields not require validation
newbook.BookTitle = txtbBkTitle.Text.Trim();
newbook.Author = txtbAuthor.Text.Trim();
if (newbook.PublisherValidation(cbxPublisher, epAddBk) && newbook.SubjectNameValidation(cbxSubjectName, epAddBk))
{
newbook.PublisherID = context.Publishers.Where(x => x.PublisherName == cbxPublisher.Text).First().PublisherID.ToString();
newbook.SubjectCode = context.BookSubjects.Where(x => x.SubjectName == cbxSubjectName.Text).First().SubjectCode.ToString();
}
if (newbook.ISBNValidation(mtbISBN, epAddBk) &&
newbook.CallNumValidation(txtbPrice, epAddBk) &&
newbook.PriceValidation(txtbPrice, epAddBk))
{
newbook.ISBN = mtbISBN.Text.Trim();
newbook.CallNumber = txtbCallNum.Text.Trim();
newbook.Price = decimal.Parse(txtbPrice.Text.Trim());
}
//assign value for fields allow null value
if (txtbEd.Text.Trim() != string.Empty)
{
newbook.Edition = txtbEd.Text.Trim();
}
if (mtbYear.Text.Trim() != string.Empty)
{
if (newbook.YearValidation(mtbYear, epAddBk))
{
newbook.PublishedYear = mtbYear.Text.Trim();
}
}
newbook.AddRFID(lbxRFID);
newbook.TotalCopy = (Int16)newbook.RFIDs.Count();
//Submission validation
if (!this.ValidateChildren())
{
MessageBox.Show("Not able to add this book. Please refer to individual error message");
}
else if (lbxRFID.Items.Count == 0)
{
epAddBk.SetError(lbxRFID, "Please provide RFID for this book");
}
else
{
context.Books.Add(newbook);
context.SaveChanges();
MessageBox.Show("Book Added");
Close();
}
}
}
private void btnSaveChanges_Click(object sender, EventArgs e)
{
IssueTran selectedTransaction = null;
if (dataGridViewTransactionRecords.RowCount != 0)
{
long transactionID = Int64.Parse(dataGridViewTransactionRecords.CurrentRow.Cells["TransactionIDColumn"].Value.ToString());
using (SA45Team07B_LibraryEntities context = new SA45Team07B_LibraryEntities())
{
selectedTransaction = (from x in context.IssueTrans
where x.TransactionID == transactionID
select x).First();
if (selectedTransaction != null)
{
using (TransactionScope ts = new TransactionScope())
{
if (txtbRemarksOfSelectedTransaction.Text.Length > 255)
{
// should no happen as the textbox max length is 255
MessageBox.Show("Remarks exceed maximum length.");
}
else
{
selectedTransaction.Remarks = txtbRemarksOfSelectedTransaction.Text.ToString();
int i = context.SaveChanges();
ts.Complete();
if (i > 0)
{
submitSuccessful = true;
}
else
{
submitSuccessful = false;
}
this.ActiveControl = txtbRemarksOfSelectedTransaction;
}
}
}
}
}
DisplayDGVData();
}
//Add for Add Publisher
private void buttonAdd_Click(object sender, EventArgs e)
{
SA45Team07B_LibraryEntities context2 = new SA45Team07B_LibraryEntities();
Publisher pb = new Publisher();
var matchingRecord = context2.Publishers.Where(x => x.PublisherID == textBoxPublisherID.Text.Trim()).FirstOrDefault();
if (matchingRecord != null)
{
errorProviderPublisherID.SetError(textBoxPublisherID, "Member already exists.");
}
else
{
pb.PublisherID = textBoxPublisherID.Text.Trim();
pb.PublisherName = textBoxPublisherName.Text.Trim();
if (comboBoxCountry.SelectedItem != null && (comboBoxCountry.SelectedItem.ToString() != "Not Applicable"))
{
pb.Country = comboBoxCountry.SelectedItem.ToString();
}
else
{
pb.Country = "";
}
DialogResult dr = MessageBox.Show("Confirm add new publisher?", "Confirmation", MessageBoxButtons.YesNoCancel);
if (dr == DialogResult.Yes)
{
context2.Publishers.Add(pb);
context2.SaveChanges();
MessageBox.Show(string.Format("Successfully added Publisher <<{0}>>.", pb.PublisherName));
SA45Team07B_LibraryEntities context = new SA45Team07B_LibraryEntities();
var query = from x in context.Publishers select new { x.PublisherID, x.PublisherName, x.Country };
dataGridViewPublishers.DataSource = query.ToList();
}
else if (dr == DialogResult.No)
{
DialogResult = 0;
}
else if (dr == DialogResult.Cancel)
{
DialogResult = 0;
}
}
}
private void btnSubmit_Click(object sender, EventArgs e)
{
//Submission validation
if (!this.ValidateChildren() || lbxRFID.Items.Count == 0)
{
MessageBox.Show("Not able to modify this book. Please refer to individual error message");
}
else
{
//trim the lbox into list<string> newRFID and add to this book
List <string> newRFID = new List <string>();
foreach (var item in lbxRFID.Items)
{
newRFID.Add(item.ToString());
}
newRFID.RemoveRange(0, bookFound.RFIDs.Count());
bookModified.AddRFID(newRFID);
using (SA45Team07B_LibraryEntities context = new SA45Team07B_LibraryEntities())
{
Book bookToBeModified = context.Books.Where(x => x.BookID == bookFound.BookID).First();
bookToBeModified.ISBN = bookModified.ISBN;
bookToBeModified.BookTitle = bookModified.BookTitle;
bookToBeModified.BookSubjects = context.BookSubjects.Where(x => x.SubjectName == cbxSubjectName.Text).First();
bookToBeModified.CallNumber = bookModified.CallNumber;
bookToBeModified.Author = txtbAuthor.Text.Trim(); //Author not require validation
bookToBeModified.PublisherID = context.Publishers.Where(x => x.PublisherName == cbxPublisher.Text).First().PublisherID.ToString();
bookToBeModified.Price = bookModified.Price;
bookToBeModified.Edition = bookModified.Edition;
bookToBeModified.PublishedYear = bookModified.PublishedYear;
bookToBeModified.RFIDs = bookModified.RFIDs;
bookToBeModified.TotalCopy = (Int16)bookToBeModified.RFIDs.Count();
context.SaveChanges();
MessageBox.Show("Saved");
Close();
}
}
}
//Add for Add Member
private void buttonAdd_Click(object sender, EventArgs e)
{
SA45Team07B_LibraryEntities context2 = new SA45Team07B_LibraryEntities();
Member newMember = new Member();
newMember.SchoolID = maskedTextBoxSchoolID.Text.ToUpper();
newMember.MemberName = textBoxMemberName.Text.Trim();
MemberCategories cat = new MemberCategories();
cat = context2.MemberCategories.Where(x => x.CategoryName == comboBoxMemberType.SelectedItem.ToString()).FirstOrDefault();
newMember.MemberCategories = cat;
Faculty fac = new Faculty();
fac = context2.Faculties.Where(x => x.FacultyName == comboBoxFacultyName.SelectedItem.ToString()).FirstOrDefault();
newMember.Faculties = fac;
newMember.ContactNumber = textBoxContactNumber.Text.Trim();
newMember.Email = textBoxEmail.Text.ToLower().Trim();
newMember.Discontinued = "N";
newMember.LoanedQty = 0;
DialogResult dr = MessageBox.Show("Confirm add new member?", "Confirmation", MessageBoxButtons.YesNoCancel);
if (dr == DialogResult.Yes)
{
context2.Members.Add(newMember);
context2.SaveChanges();
MessageBox.Show(string.Format("Successfully added <<{0}>>.", newMember.MemberName));
Close();
}
else if (dr == DialogResult.No)
{
DialogResult = 0;
}
else if (dr == DialogResult.Cancel)
{
DialogResult = 0;
}
}
public static void MakeRFIDAdjusment(string RFID, bool discontinued, string remarks)
{
SA45Team07B_LibraryEntities context = new SA45Team07B_LibraryEntities();
RFIDTag tag = context.RFIDs.Where(x => x.RFID == RFID).First();
tag.Discontinued = discontinued ? "y" : "n";
StockAdjustment adj = new StockAdjustment
{
RFID = RFID,
DateAdjusted = DateTime.Now,
QtyAdjusted = discontinued ? (short)-1 : (short)1,
Remarks = remarks
};
context.StockAdjustments.Add(adj);
context.SaveChanges();
}
//Save Changes for Modify Publisher
private void buttonSaveChanges_Click(object sender, EventArgs e)
{
SA45Team07B_LibraryEntities context2 = new SA45Team07B_LibraryEntities();
Publisher pb = new Publisher();
pb = context2.Publishers.Where(x => x.PublisherID == textBoxModPublisherID.Text).First();
pb.PublisherName = textBoxModPublisherName.Text.Trim();
if (comboBoxModCountry.SelectedItem != null && (comboBoxModCountry.SelectedItem.ToString() != "Not Applicable"))
{
pb.Country = comboBoxModCountry.SelectedItem.ToString();
}
else
{
pb.Country = "";
}
DialogResult dr = MessageBox.Show("Confirm update?", "Confirmation", MessageBoxButtons.YesNoCancel);
if (dr == DialogResult.Yes)
{
context2.SaveChanges();
MessageBox.Show(string.Format("Successfully updated <<{0}>>.", pb.PublisherName));
toolStripStatusLabel1.Text = "Publisher list updated.";
SA45Team07B_LibraryEntities context = new SA45Team07B_LibraryEntities();
var query = from x in context.Publishers select new { x.PublisherID, x.PublisherName, x.Country };
dataGridViewPublishers.DataSource = query.ToList();
}
else if (dr == DialogResult.No)
{
DialogResult = 0;
}
else if (dr == DialogResult.Cancel)
{
DialogResult = 0;
}
}