private async void loadUsers()
{
users = await ApiWrapper.GetUsers(); //Using API to fetch the students
foreach (var u in users)
{
emailAutoComplete.Add(u.Email); //Autocompletes the email address
}
}
private async void bunifuThinButton3_Click(object sender, EventArgs e)
{
string name = nameTextBox.Text;
string path = fileTextBox.Text;
string error = "";
string specialChar = @"\|!#$%&/()=?»«@£§€{}.-;'<>_,";
foreach (var item in specialChar)
{
if (name.Contains(item))
{
MessageBox.Show("Please enter a name without special characters.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
//simple validation to verify against name - prevents clustering when adding larger classes
if (name.Length < 3)
{
error = "Name is too short.";
}
else if (!File.Exists(path))
{
error = "Specified file does not exist.";
}
if (error != "")
{
MessageBox.Show(error, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); //debugging, shows user error
return;
}
try
{
string url = await ApiWrapper.UploadFile(path);
if (!await ApiWrapper.CreateHomework(classObj.Id, name, url)) //attempts to create homework
{
MessageBox.Show("Failed to create homework.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); //throws error if anything failed
}
else
{
//homework was created
Close();
}
}
catch
{
MessageBox.Show("It seem's the file is open, close it and try again..."); //likely scanerio when attaching files.
}
}
//Saving the class name
private async void saveNameButton_Click(object sender, EventArgs e)
{
string name = nameTextBox.Text;
if (name.Length < 3) //Verification on class name, ensures teacher enters an appropiate name.
{
MessageBox.Show("Name is too short.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
await ApiWrapper.UpdateClass(classObj.Id, name); //If criteria is met, update will also apply to the backend too
}
}
private async void bunifuThinButton1_Click(object sender, EventArgs e)
{
string name = nameTextBox.Text;
if (name.Length < 3) //Verification on class name, ensures teacher enters an appropiate name.
{
MessageBox.Show("Name is too short.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
await ApiWrapper.UpdateClass(classObj.Id, name);
}
}
//Create a class
private async void bunifuThinButton3_Click(object sender, EventArgs e)
{
var dialog = new CreateClassDialog(); //Constructor - creating new ClassDialog
if (dialog.ShowDialog(this) == DialogResult.OK)
{
string name = dialog.Name;
bool success = await ApiWrapper.CreateClass(name); //Parses upates on the Dialog to the API which updates the class information on the backend.
sync();
}
dialog.Dispose();
}
//
private async void bunifuThinButton2_Click(object sender, EventArgs e)
{
foreach (ListViewItem i in listView1.SelectedItems) //Remove the selected item from the list.
{
if (i.Tag is User)
{
User u = (User)i.Tag;
if (await ApiWrapper.RemoveStudentFromClass(classObj.Id, u.Id)) //If criteria is met, update will also apply to the backend too
{
listView1.Items.Remove(i); //Remove that selected Tagged student.
}
}
}
}
//Removing students from a Class.
private async void removeButton_Click(object sender, EventArgs e)
{
foreach (ListViewItem i in listView1.SelectedItems) //Remove the selected item from the list.
{
if (i.Tag is User)
{
User u = (User)i.Tag;
if (await ApiWrapper.RemoveStudentFromClass(classObj.Id, u.Id)) //Update the database, so change has been applied serverside.
{
listView1.Items.Remove(i);
}
}
}
}
private async void update() //Syncs fields on the form with the database.
{
var hw = await ApiWrapper.GetHomeworks(); //Calls method from the class ApiWrapper
listView1.Items.Clear();
foreach (var h in hw) //iteration
{
string submitted = h.Submitted ? "Yes" : "No";
var item = new ListViewItem(new[] { h.Name, h.ClassName, h.TeacherName, h.Url, submitted }); //Construting new ListItem containg all entites needing for the students such as ClassName, Teacher, Homework etc...
item.Tag = h;
listView1.Items.Add(item);
}
listView1.AutoResizeColumns(ColumnHeaderAutoResizeStyle.ColumnContent); //AutoReizes properties, allows users to customise the list to their liking.
}
private async void bunifuThinButton3_Click(object sender, EventArgs e)
{
string email = emailTextBox.Text; //Privately declared varible to store Student's email.
try
{
//find the user with the entered email address
User u = users.First(x => x.Email == email);
if (await ApiWrapper.AddStudentToClass(classObj.Id, u.Id))
{
var item = new ListViewItem(new[] { u.Name, u.Email });
item.Tag = u;
listView1.Items.Add(item); //Adds the selected student to the class.
}
}
catch (Exception ex)
{
Console.WriteLine("Exception: " + ex.Message); //Error logging, helps in terms of debugging
}
}
//Fetch and update the applicastions dropDown with all updated variables from the Backend.
private async void sync()
{
if (classes != null)
{
classes.Clear(); //Cleares current classes so fresh list can be imported, - prevents collision of data.
}
bunifuDropdown1.Clear();
classes = await ApiWrapper.GetClasses(); //Fetches all the latest classes from the WebHost
foreach (var i in classes)
{
bunifuDropdown1.AddItem(i.Name); //Adds new item down into the List.
}
//Verification that DropDown has successfully updated if the DropDown is set to 0.
if (bunifuDropdown1.Items.Length > 0)
{
bunifuDropdown1.selectedIndex = 0;
update(); //Calls Update, responsible for populating all devices
}
}
private async void bunifuThinButton3_Click(object sender, EventArgs e)
{
bool auth = await ApiWrapper.Authenticate(textBox1.Text, textBox2.Text);
if (auth)
{
Hide();
if (Form1.LoginType == LoginType.STUDENT)
{
//show student panel
Form3.instance.Show();
}
else
{
//show teacher panel
Form2.instance.Show();
}
}
else
{
MessageBox.Show("Invalid email or password", "Login failed", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
//Once the DropDown has been updated, this causes the Lists and dataGrid to update.
private async void update()
{
Console.WriteLine("update");
Class c = await ApiWrapper.GetClass(selectedClass.Id);
selectedClass = c;
List <StudentHomework> shw = null;
if (c.LastHomework != 0)
{
Console.WriteLine("lasthw: " + c.LastHomework);
shw = await ApiWrapper.GetStudentHomeworks(c.LastHomework ?? 0); //Fetches studentHomwork, uses ApiWrapper to fetch appropiate data from Backend.
}
bunifuCircleProgressbar1.ResetText();
bunifuCircleProgressbar1.MaxValue = c.Students.Count > 0 ? c.Students.Count : 1;
int submitCount = 0;
listView1.Items.Clear();
foreach (var s in c.Students)
{
string submitted = "No";
if (shw != null && shw.Exists(x => x.StudentId == s.Id)) //Verifies whether each student has submitted homework.
{
submitted = "Yes";
submitCount++;
}
var item = new ListViewItem(new[] { s.Name, s.Email, submitted }); //Repopulate the ListView with all student information.
item.Tag = shw.Find(X => X.StudentId == s.Id);
listView1.Items.Add(item);
}
bunifuCircleProgressbar1.Value = submitCount; //Updates the CircleProgessBar depending on how many students have submitted.
bunifuCircleProgressbar1.Refresh();
}
//submit homework
private async void bunifuThinButton3_Click(object sender, EventArgs e)
{
if (listView1.SelectedItems.Count == 1) //ensures that student has an entity to where they will send homework too.
{
var item = listView1.SelectedItems[0];
var hw = (Homework)item.Tag;
OpenFileDialog ofd = new OpenFileDialog();
if (ofd.ShowDialog() == DialogResult.OK)
{
string url = await ApiWrapper.UploadFile(ofd.FileName); //url contains name of file, easy referencing when looking for it manually
await ApiWrapper.SubmitHomework(hw.Id, url);
}
}
else if (listView1.SelectedItems.Count == 0) //error handling
{
MessageBox.Show("Please select an item from the list!", "No item selected", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else
{
MessageBox.Show("Please select only one item!", "Multiple items selected", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
private async void bunifuThinButton1_Click(object sender, EventArgs e)
{
//privately declared variables, each corresponding to their details.
string name = nameTextBox.Text;
string email = emailTextBox.Text;
string password = passwordTextBox.Text;
bool isTeacher = teacherCheckBox.Checked;
bool register = false;
if (name != "" && email != "" && password != "") //ensures user does not leave fields blank
{
int eLength = email.Length;
int pLength = password.Length;
if (pLength < 9)
{
MessageBox.Show("Please enter a stronger password", "Failed to create account", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
}
if (eLength > 32)
{
MessageBox.Show("Please enter a suitable email length", "Failed to create account", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
}
bool containsInt = name.Any(char.IsDigit);
if (containsInt == true)
{
MessageBox.Show("No digits allowed in your name!", "Failed to create account", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
}
string specialChar = @"\|!#$%&/()=?»«@£§€{}.-;'<>_,";
foreach (var item in specialChar)
{
if (name.Contains(item))
{
MessageBox.Show("Please enter a name without special characters.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
register = true;
}
}
if (email.Contains('@'))
{
if (email.Contains('.'))
{
}
}
else
{
MessageBox.Show("Invalid email format detected...", "Failed to create account", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
}
if (register == true)
{
if (await ApiWrapper.CreateUser(name, email, password, isTeacher)) //Creates account
{
MessageBox.Show("Your account was created", "Success", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
Close();
}
else //error handling
{
MessageBox.Show("Your account could not be created", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
else
{
MessageBox.Show("Please fill out all fields!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); //Shows if they did not enter in all fields.
}
}
