public bool changeUserName(User u, string nUName)
{
DataTier.UsersDBDataContext NIData = new DataTier.UsersDBDataContext();
var query = from user in NIData.Users
where (user.UserID == u.UserID)
select user;
// now create business objects from the Station entities, and build a list
// to return:
foreach (var user in query)
{
user.UserName = nUName;
}
try
{
NIData.SubmitChanges();
return(true);
}
catch (Exception ex)
{
return(false);
}
}
public bool changeAddr(Listing l, string newAddr)
{
newAddr = newAddr.Replace("'", "''");
DataTier.UsersDBDataContext NIData = new DataTier.UsersDBDataContext();
var query = from listing in NIData.Listings
where (listing.ListingID == l.ListingID)
select listing;
foreach (var listing in query)
{
listing.StAddr = newAddr;
}
try
{
NIData.SubmitChanges();
return(true);
}
catch (Exception ex)
{
return(false);
}
}
public bool postListing(User u, string stAddr, int zipCode, int sqFeet, float noBath, int noBed, string type, decimal price, string picture)
{
DataTier.Listing newListing = new DataTier.Listing();
newListing.UserID = u.UserID;
newListing.StAddr = stAddr.Replace("'", "''");
newListing.ZipCode = zipCode;
newListing.SqFeet = sqFeet;
newListing.NoBath = noBath;
newListing.NoBed = noBed;
newListing.Type = type;
newListing.Price = price;
newListing.Picture = picture;
try
{
DataTier.UsersDBDataContext NIData = new DataTier.UsersDBDataContext();
NIData.Listings.InsertOnSubmit(newListing);
NIData.SubmitChanges();
}
catch (Exception ex)
{
return(false);
}
return(true);
}
public bool sendMessage(string message, User sender, int reciever, int threadid)
{
DataTier.Message newMessage = new DataTier.Message();
newMessage.SenderID = sender.UserID;
newMessage.ReceiverID = reciever;
newMessage.MessageBody = message;
newMessage.ThreadID = threadid;
try
{
DataTier.UsersDBDataContext NIData = new DataTier.UsersDBDataContext();
NIData.Messages.InsertOnSubmit(newMessage);
NIData.SubmitChanges();
}
catch (Exception ex)
{
return(false);
}
return(true);
}
public bool changePrice(Listing l, decimal newprice)
{
DataTier.UsersDBDataContext NIData = new DataTier.UsersDBDataContext();
var query = from listing in NIData.Listings
where (listing.ListingID == l.ListingID)
select listing;
foreach (var listing in query)
{
listing.Price = newprice;
}
try
{
NIData.SubmitChanges();
return(true);
}
catch (Exception ex)
{
return(false);
}
}
public bool changeBeds(Listing l, int newbeds)
{
DataTier.UsersDBDataContext NIData = new DataTier.UsersDBDataContext();
var query = from listing in NIData.Listings
where (listing.ListingID == l.ListingID)
select listing;
foreach (var listing in query)
{
listing.NoBed = newbeds;
}
try
{
NIData.SubmitChanges();
return(true);
}
catch (Exception ex)
{
return(false);
}
}
/**
* Create a new user account in database, return true on success, false on failure
**/
public bool createAccount(string uName, string pass, string fName, string lName, string email, string phone, byte seller)
{
DataTier.User newUser = new DataTier.User();
newUser.UserName = uName.Replace("'", "''");
newUser.Password = pass.Replace("'", "''");
newUser.FirstName = fName.Replace("'", "''");
newUser.LastName = lName.Replace("'", "''");
newUser.Email = email.Replace("'", "''");
newUser.MobileNo = phone.Replace("'", "''");
newUser.Seller = seller;
try
{
DataTier.UsersDBDataContext NIData = new DataTier.UsersDBDataContext();
NIData.Users.InsertOnSubmit(newUser);
NIData.SubmitChanges();
}
catch (Exception ex)
{
return(false);
}
return(true);
}
public bool deleteMessage(int mid)
{
DataTier.UsersDBDataContext NIData = new DataTier.UsersDBDataContext();
var deleteMessages = from message in NIData.Messages
where message.MessageID == mid
select message;
foreach (var message in deleteMessages)
{
NIData.Messages.DeleteOnSubmit(message);
}
try
{
NIData.SubmitChanges();
return(true);
}
catch (Exception e)
{
Console.WriteLine(e);
return(false);
// Provide for exceptions.
}
}
public bool removeListing(string addr)
{
DataTier.UsersDBDataContext NIData = new DataTier.UsersDBDataContext();
var deleteOrderDetails = from listing in NIData.Listings
where listing.StAddr.Equals(addr)
select listing;
foreach (var detail in deleteOrderDetails)
{
NIData.Listings.DeleteOnSubmit(detail);
}
try
{
NIData.SubmitChanges();
return(true);
}
catch (Exception e)
{
Console.WriteLine(e);
return(false);
// Provide for exceptions.
}
}
