protected void Page_Load(object sender, EventArgs e)
{
catID = Int32.Parse(Request.QueryString["catID"]);
displayPosts(DBconnection.getForumPosts(catID));
//HtmlGenericControl forumLink = new HtmlGenericControl("a");
//forumLink.Attributes.Add("href", "ForumCategories.aspx");
//forumLink.InnerText = "Forum > ";
//forumPath.Controls.Add(forumLink);
//HtmlGenericControl catLink = new HtmlGenericControl("a");
//forumLink.InnerText = Request.QueryString["catTitle"];
//forumPath.Controls.Add(forumLink);
}
protected void btn_login_Click(object sender, EventArgs e)
{
string loginEmail = txt_email.Text;
string loginPassword = txt_password.Text;
string confirmPassword = DBconnection.getPassword(loginEmail);
if (loginPassword.Equals(confirmPassword))
{
Session["loginData"] = DBconnection.getUser(loginEmail);
Response.Write("<script>alert('You are logged in')</script>");
Response.Redirect(Request.Url.ToString());
}
else
{
Response.Write("<script>alert('Details do not match.')</script>");
}
}
protected void btn_add_Click(object sender, EventArgs e)
{
//create a new Forum objet, then pass it as a parameter in order to add post title to the database
Forum post = new Forum(catID, TextBox1.Text, DateTime.Now, user.Id);
DBconnection.addForumNewPost(post);
post.Text = TextBox2.Text;
post.PostID = DBconnection.lastPK("ID", "ForumPosts");
//add the message assosiated with this post
DBconnection.addForumMessage(post);
HttpContext.Current.Response.Write("<script>alert('Your post has been added')</script>");
//redirect the user to his message
Response.Redirect("ForumMessages.aspx?catID=" + post.CategoryID + "&postID=" + post.PostID);
}
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
//populate ddl_repeatForWks
for (int i = 0; i <= 20; i++)
{
ddl_repeatWks.Items.Add(i.ToString());
}
//populate ddl_timeH
int h = 00;
for (int i = 0; i < 24; i++)
{
ddl_timeH.Items.Add(h.ToString("D2"));
h++;
}
//populate ddl_timeM
int m = 00;
for (int i = 0; i <= 59; i++)
{
ddl_timeM.Items.Add(m.ToString("D2"));
m++;
}
//populate ddl_capacity
for (int i = 6; i <= 20; i++)
{
ddl_capacity.Items.Add(i.ToString());
}
//populate duration [session]
for (int i = 60; i <= 90; i = i + 10)
{
ddl_duration.Items.Add(i.ToString());
}
}
//get list of instructors to be displayed in ddl_instructors
instructors = DBconnection.getInstructorsList();
}
protected void Page_Load(object sender, EventArgs e)
{
if (Session["loginData"] != null)
{
userData = (User)Session["loginData"];
}
else
{
Response.Redirect("Default.aspx");
}
reservationsList = DBconnection.getClassReservations(userData.Id, "Class");
displayReservations(reservationsList);
reservationsList = DBconnection.getClassReservations(userData.Id, "Workshop");
displayReservations(reservationsList);
displayWaitingLists(DBconnection.viewUserQueues(userData.Id));
}
protected void btn_deleteRecord_Click(object sender, EventArgs e)
{
//check if a session has been selected before proceeding
if (Session["selectedRow"] == null)
{
HttpContext.Current.Response.Write("<script>alert('Please select a session to be deleted first!')</script>");
}
else
{
//delete a record from a database based on the session type (class, workshop") and sessionID
DBconnection.deleteRecord(DropDownList1.SelectedValue, Int32.Parse(Session["selectedRow"].ToString()), "ID");
//remove all queues assosiated with this session
DBconnection.removeQueue(Int32.Parse(Session["selectedRow"].ToString()), "SessionID");
//delete all reservations assosiated with this session
DBconnection.deleteRecord("Reservation", Int32.Parse(Session["selectedRow"].ToString()), DropDownList1.SelectedValue + "ID");
GridView1.SelectedIndex = -1; //clear grid view selection
Session["selectedRow"] = null; // clear selectedRow session's data
refreshTable();
HttpContext.Current.Response.Write("<script>alert('Session has been deleted.')</script>"); //show javascript confirmation window
}
}
private void displayCategories(List <Forum> c)
{
for (int i = 0; i < c.Count; i++)
{
HtmlTableRow tr = new HtmlTableRow();
HtmlTableCell td_IMG = new HtmlTableCell();
HtmlGenericControl img = new HtmlGenericControl("img");
img.Attributes.Add("src", "images/forumCategories.png");
td_IMG.Controls.Add(img);
HtmlTableCell td_title = new HtmlTableCell();
HtmlGenericControl a = new HtmlGenericControl("a");
a.Attributes.Add("href", "ForumPosts.aspx?catID=" + c[i].CategoryID + "&catTitle=" + c[i].Title);
a.InnerHtml = c[i].Title + " <br />";
td_title.Controls.Add(a);
HtmlGenericControl span = new HtmlGenericControl("span");
span.Attributes.Add("class", "desc");
span.InnerText = c[i].Text;
td_title.Controls.Add(span);
HtmlTableCell td_posts = new HtmlTableCell();
td_posts.InnerHtml = DBconnection.getNumberOfRecords("ForumPosts", "CategoryID_FK", c[i].CategoryID) + " Posts";
HtmlTableCell td_Messages = new HtmlTableCell();
td_Messages.InnerHtml = DBconnection.getNumberOfRecords("CategoryID_FK", c[i].CategoryID) + " Messages";
tr.Controls.Add(td_IMG);
tr.Controls.Add(td_title);
tr.Controls.Add(td_posts);
tr.Controls.Add(td_Messages);
ForumCategoriesTable.Controls.Add(tr);
}
}
//change session's status
protected void btn_status_Click(object sender, EventArgs e)
{
//check if a session has been selected before proceeding
if (Session["selectedRow"] == null)
{
HttpContext.Current.Response.Write("<script>alert('Please select a session to be modyfied first!')</script>"); //error message
}
else
{
//get the current status of a selected session from the database
string currentStatus = DBconnection.getStatus(Session["selectedRow"].ToString(), DropDownList1.SelectedValue);
string updatedStatus = "something went wrong";
//set status to the opposite [Active = Cancelled/Cancelled = Active]
if (currentStatus.Equals("Active"))
{
updatedStatus = "Cancelled";
}
else if (currentStatus.Equals("Cancelled"))
{
updatedStatus = "Active";
}
else
{
return;
}
//update status in the database
DBconnection.changeStatus(DropDownList1.SelectedValue, updatedStatus, Session["selectedRow"].ToString());
//clear gridview selection and reset data
GridView1.SelectedIndex = -1;
Session["selectedRow"] = null;
refreshTable();
HttpContext.Current.Response.Write("<script>alert('Session has been set to " + updatedStatus + ".')</script>"); //conrimation message
}
}
private void displaySessions(List <Class> s)
{
Random random = new Random();
//if there are no classes in the database show error message
if (s.Count == 0)
{
//create a generic html control (paragraph <p>)
HtmlGenericControl error = new HtmlGenericControl("p");
//insert the content of a paragraph (<p>CONTENT</p>)
error.InnerHtml = "<h2>Unfortunately, we do not have any sessions on selected day";
//add the html control to a div container with an ID of "extraThing" :)
extraThing.Controls.Add(error);
}
else
{
for (int i = 0; i < s.Count; i++)
{
//create a HTML table row using HTML controlls and add it to
//the table with ID of "sessionTable"
HtmlTableRow tr = new HtmlTableRow();
sessionsTable.Controls.Add(tr);
//create a table cell/column
HtmlTableCell td1 = new HtmlTableCell();
//add this table cell to a table row
tr.Controls.Add(td1);
//create a generic <img> html tag
HtmlGenericControl img = new HtmlGenericControl("img");
//give src attribute to the img tag and assign a path to it
//this path contains a random number that randomly chooses image for each session
img.Attributes.Add("src", "images/" + random.Next(1, 6) + ".jpg");
//add image to the table cell
td1.Controls.Add(img);
//tile & description column
HtmlTableCell td2 = new HtmlTableCell();
tr.Controls.Add(td2);
HtmlGenericControl title = new HtmlGenericControl("a");
title.InnerHtml = "<h2>" + s[i].Title + "</h2>";
//pass the session type and session ID to querry string
//querry string with these information will be used on ReservationPage.aspx page
title.Attributes.Add("href", "ReservationPage.aspx?id=" + s[i].Id + "&type2=Class");
td2.Controls.Add(title);
HtmlGenericControl description = new HtmlGenericControl("p");
description.InnerText = s[i].Description;
td2.Controls.Add(description);
//Additional information column
HtmlTableCell td3 = new HtmlTableCell();
tr.Controls.Add(td3);
//create a html unordered list and populate it with list elements
HtmlGenericControl ul = new HtmlGenericControl("ul");
td3.Controls.Add(ul);
HtmlGenericControl li1 = new HtmlGenericControl("li"); //date and time
ul.Controls.Add(li1);
li1.InnerText = s[i].StartDate.ToShortDateString() + " at " + s[i].Time.ToString(@"hh\:mm");
HtmlGenericControl li2 = new HtmlGenericControl("li"); //level
ul.Controls.Add(li2);
li2.InnerText = s[i].Level;
HtmlGenericControl li3 = new HtmlGenericControl("li"); //duration
ul.Controls.Add(li3);
li3.InnerText = "Duration: " + s[i].Duration.ToString() + " min";
HtmlGenericControl li4 = new HtmlGenericControl("li"); //available spaces
ul.Controls.Add(li4);
li4.InnerText = "Available: " + (s[i].Capacity - s[i].Reservations).ToString();
HtmlGenericControl li5 = new HtmlGenericControl("li"); //sessions status
ul.Controls.Add(li5);
li5.InnerText = s[i].Status;
HtmlGenericControl li6 = new HtmlGenericControl("li");
ul.Controls.Add(li6);
li6.InnerText = "With " + DBconnection.getUser(s[i].InstructorID).Name;
//book column
//contains a link to ReservationPage with parameters for querry string
HtmlTableCell book = new HtmlTableCell();
tr.Controls.Add(book);
HtmlGenericControl link = new HtmlGenericControl("a");
if (s[i].Status.Equals("Cancelled"))
{
book.Controls.Add(link);
link.Attributes.Add("class", "bookLink");
link.Attributes.Add("href", "#");
link.InnerText = "Session cancelled";
}
else
{
book.Controls.Add(link);
link.Attributes.Add("class", "bookLink");
link.Attributes.Add("href", "ReservationPage.aspx?id=" + s[i].Id + "&type2=Class");
link.InnerText = "Book";
}
}
}
}
protected void addSession(object sender, EventArgs e)
{
string type = ddl_type.SelectedValue;
string title = txt_title.Text;
string description = txt_description.Text;
string style = ddl_style.SelectedValue;
string level = rdb_level.SelectedValue;
int capacity = Int32.Parse(ddl_capacity.SelectedValue);
string room = txt_room.Text;
DateTime date = myCalendar.SelectedDate;
int repeatWks = Int32.Parse(ddl_repeatWks.SelectedValue);
TimeSpan time = new TimeSpan(Int32.Parse(ddl_timeH.SelectedValue), Int32.Parse(ddl_timeM.SelectedValue), 00);
int duration = Int32.Parse(ddl_duration.SelectedValue);
int count = 0;
int instructorID = 0;
//Check if the choosen date is in the future
int oldDateCheck = DateTime.Compare(date.Date.Add(time), DateTime.Now);
if (oldDateCheck <= 0)
{
Response.Write("<script>alert('Choose a date in the future.')</script>");
}
else
{
try
{
//find the instructor's ID number by looping through instructors name's.
//
while (!ddl_instructor.SelectedValue.Equals(instructors[count].Name))
{
count++;
}
instructorID = instructors[count].Id;
}
catch (ArgumentOutOfRangeException ex)
{
lb_exceptionCatch.Text = "You need to choose default value for all drop down lists.";
}
if (ddl_type.SelectedValue.Equals("Class"))
{
Class session = new Class(date, time, style, level, instructorID, duration, capacity, title, description, room, 0, repeatWks);
session.schedulesClass();
DBconnection.addClass(session);
}
else
{
Workshop session = new Workshop(date, time, style, level, instructorID, duration, capacity, title, description, room, 0);
DBconnection.addWorkshop(session);
}
clearControls();
Response.Write("<script>alert('Your session has been added to the database.')</script>");
}
}//end of add session
protected void Page_Load(object sender, EventArgs e)
{
postID = Int32.Parse(Request.QueryString["postID"]);
catID = Int32.Parse(Request.QueryString["catID"]);
displayMessages(DBconnection.getForumMessages(postID));
}
protected void btn_deleteCategory_Click(object sender, EventArgs e)
{
DBconnection.deleteForumCategory(Int32.Parse(ListBox1.SelectedValue));
refreshCategoriesList();
Response.Redirect(Request.RawUrl);
}
protected void btn_addCategory_Click(object sender, EventArgs e)
{
DBconnection.addForumCategory(txt_categoryTitle.Text, txt_description.Text);
Response.Redirect(Request.RawUrl);
}
