NoteDC INotepad.AddNote(int userID, string noteDescription, string noteText)
{
try
{
Note note = new Note
{
Description = noteDescription,
Content = noteText,
User_Id = userID
};
using (var context = new NotepadSharedEntities())
{
context.Note.Add(note);
context.SaveChanges();
}
return new NoteDC
{
NoteId = note.Id,
Description = note.Description,
NoteText = note.Content,
UserId = note.User_Id
};
}
catch
{
return null;
}
}
void INotepad.AddNoteToGroup(int noteID, int groupID)
{
try
{
GroupNote gnot = new GroupNote
{
Note_Id = noteID,
Group_Id = groupID
};
using (var context = new NotepadSharedEntities())
{
context.GroupNote.Add(gnot);
context.SaveChanges();
}
}
catch { }
}
void INotepad.AddGroup(string groupName, string groupDescription)
{
try
{
Group group = new Group
{
Name = groupName,
Description = groupDescription
};
using (var context = new NotepadSharedEntities())
{
context.Group.Add(group);
context.SaveChanges();
}
}
catch { }
}
void INotepad.UpdateGroup(int groupID, string groupDescription)
{
try
{
using (var context = new NotepadSharedEntities())
{
var gr = context.Group.Where(g => g.Id == groupID).Single();
gr.Description = groupDescription;
context.SaveChanges();
}
}
catch { }
}
void INotepad.RemoveUserFromGroup(int userID, int groupID)
{
try
{
using (var context = new NotepadSharedEntities())
{
var gu = context.GroupUser.Where(g => g.User_Id == userID
&& g.Group_Id == groupID).Single();
context.GroupUser.Remove(gu);
context.SaveChanges();
}
}
catch { }
}
void INotepad.RemoveNoteFromGroup(int noteID, int groupID)
{
try
{
using (var context = new NotepadSharedEntities())
{
var gn = context.GroupNote.Where(g => g.Note_Id == noteID
&& g.Group_Id == groupID).Single();
context.GroupNote.Remove(gn);
context.SaveChanges();
}
}
catch { }
}
List<NoteDC> INotepad.GetUserNotes(int userID)
{
try
{
using (var context = new NotepadSharedEntities())
{
var notes = (from n in context.Note
where n.User_Id == userID
orderby n.Description ascending
select new NoteDC
{
NoteId = n.Id,
Description = n.Description,
NoteText = n.Content
}).ToList<NoteDC>();
return notes;
}
}
catch
{
return null;
}
}
UserDC INotepad.CheckUser(string userName, string userPass)
{
try
{
using (var context = new NotepadSharedEntities())
{
var user = context.User.Where(u => u.Name == userName).SingleOrDefault();
if (user == null)
{
return null;
}
else if (user.Password.Equals(userPass))
{
return new UserDC
{
UserId = user.Id,
Name = user.Name,
Pass = user.Password,
Description = user.Description
};
}
return null;
}
}
catch
{
return null;
}
}
List<UserDC> INotepad.GetGroupUsers(int groupID)
{
try
{
using (var context = new NotepadSharedEntities())
{
var gr = context.GroupUser.Where(g => g.Group_Id == groupID).Select(g => g.User_Id);
var users = (from u in context.User
where gr.Contains(u.Id)
orderby u.Description ascending
select new UserDC
{
UserId = u.Id,
Name = u.Name,
Description = u.Description
}).ToList<UserDC>();
return users;
}
}
catch
{
return null;
}
}
List<NoteDC> INotepad.GetGroupNotes(int groupID)
{
try
{
using (var context = new NotepadSharedEntities())
{
var gr = context.GroupNote.Where(g => g.Group_Id == groupID).Select(g => g.Note_Id);
var notes = (from n in context.Note
where gr.Contains(n.Id)
orderby n.Description ascending
select new NoteDC
{
NoteId = n.Id,
Description = n.Description,
NoteText = n.Content
}).ToList<NoteDC>();
return notes;
}
}
catch
{
return null;
}
}
GroupDC INotepad.GetGroup(int groupID)
{
try
{
using (var context = new NotepadSharedEntities())
{
var group = context.Group.Where(g => g.Id == groupID).Single();
return new GroupDC
{
GroupId = group.Id,
Name = group.Name,
Description = group.Description
};
}
}
catch
{
return null;
}
}
void INotepad.DeleteUser(int userID)
{
try
{
using (var context = new NotepadSharedEntities())
{
var user = context.User.Where(u => u.Id == userID).Single();
context.User.Remove(user);
context.SaveChanges();
}
}
catch { }
}
void INotepad.DeleteNote(int noteID)
{
try
{
using (var context = new NotepadSharedEntities())
{
var note = context.Note.Where(n => n.Id == noteID).Single();
context.Note.Remove(note);
context.SaveChanges();
}
}
catch { }
}
void INotepad.DeleteGroup(int groupID)
{
try
{
using (var context = new NotepadSharedEntities())
{
var gr = context.Group.Where(g => g.Id == groupID).Single();
context.Group.Remove(gr);
context.SaveChanges();
}
}
catch { }
}
void INotepad.UpdateNote(int noteID, string noteText)
{
try
{
using (var context = new NotepadSharedEntities())
{
var note = context.Note.Where(n => n.Id == noteID).Single();
note.Content = noteText;
context.SaveChanges();
}
}
catch { }
}
NoteDC INotepad.GetNote(int noteID)
{
try
{
using (var context = new NotepadSharedEntities())
{
var note = context.Note.Where(n => n.Id == noteID).Single();
return new NoteDC
{
NoteId = note.Id,
Description = note.Description,
NoteText = note.Content
};
}
}
catch
{
return null;
}
}
void INotepad.UpdateUser(int userID, string userDescription)
{
try
{
using (var context = new NotepadSharedEntities())
{
var user = context.User.Where(u => u.Id == userID).Single();
user.Description = userDescription;
context.SaveChanges();
}
}
catch { }
}
UserDC INotepad.GetUser(int userID)
{
try
{
using (var context = new NotepadSharedEntities())
{
var user = context.User.Where(u => u.Id == userID).Single();
return new UserDC
{
UserId = user.Id,
Name = user.Name,
Description = user.Description
};
}
}
catch
{
return null;
}
}
UserDC INotepad.AddUser(string userName, string userPass, string userDescription)
{
try
{
User user = new User
{
Name = userName,
Password = userPass,
Description = userDescription
};
using(var context = new NotepadSharedEntities())
{
context.User.Add(user);
context.SaveChanges();
return new UserDC
{
UserId = user.Id,
Pass = user.Password,
Name = user.Name,
Description = user.Description
};
}
}
catch
{
return null;
}
}
void INotepad.AddUserToGroup(int userID, int groupID)
{
try
{
GroupUser guer = new GroupUser
{
User_Id = userID,
Group_Id = groupID
};
using (var context = new NotepadSharedEntities())
{
context.GroupUser.Add(guer);
context.SaveChanges();
}
}
catch { }
}
