// Precondition: Report, Checked Out Items menu item activated
// Postcondition: The list of checked out items is displayed in the
// reportTxt text box
private void checkedOutItemsToolStripMenuItem_Click(object sender, EventArgs e)
{
StringBuilder result = new StringBuilder(); // Holds text as report being built
// StringBuilder more efficient than String
List <LibraryItem> items; // List of library items
Dictionary <string, DateTime> transactions; // Dictionary of CheckedOutTransactions
string NL = Environment.NewLine; // NewLine shortcut
items = _lib.GetItemsList();
transactions = _lib.GetCheckedOutTransactions(); //Retrives the list of transactions
// LINQ: selects checked out items
var checkedOutItems =
from item in items
where item.IsCheckedOut()
select item;
result.Append($"Checked Out Items - {checkedOutItems.Count()} items{NL}{NL}");
foreach (LibraryItem item in checkedOutItems) //String edited to display the items checkout date and due date
{
result.Append($"{item}{NL}Date Checked Out: {transactions[item.CallNumber].Date.ToShortDateString()}{NL}Date Due: {transactions[item.CallNumber].Date.AddDays(item.LoanPeriod).ToShortDateString()}{NL}");
}
reportTxt.Text = result.ToString();
// Put cursor at start of report
reportTxt.SelectionStart = 0;
}
// Precondition: Report, Checked Out Items menu item activated
// Postcondition: The list of checked out items is displayed in the
// reportTxt text box
private void checkedOutItemsToolStripMenuItem_Click(object sender, EventArgs e)
{
StringBuilder result = new StringBuilder(); // Holds text as report being built
// StringBuilder more efficient than String
List <LibraryItem> items; // List of library items
string NL = Environment.NewLine; // NewLine shortcut
IDictionary <string, DateTime> transDates;
items = _lib.GetItemsList();
// LINQ: selects checked out items
var checkedOutItems =
from item in items
where item.IsCheckedOut()
select item;
transDates = _lib.GetCheckedOutTransactions();
result.Append($"Checked Out Items - {checkedOutItems.Count()} items{NL}{NL}");
// Walk thru list and print out all attributes and transaction dates of each checked out item
for (int i = 0; i < checkedOutItems.Count(); i++)
{
result.Append($"{checkedOutItems.ElementAt(i)}{NL}Checked Out Date: {transDates.ElementAt(i).Value.ToShortDateString()}{NL}" +
$"Return By: {transDates.ElementAt(i).Value.AddDays(FindLoanPeriod(transDates.ElementAt(i).Key)).ToShortDateString()}{NL}{NL}");
}
// set final string to the actual text box
reportTxt.Text = result.ToString();
// Put cursor at start of report
reportTxt.SelectionStart = 0;
}
