public ViewResult AddUser(RegularUser usr) //add user in DB by applying validations with the help of uservalidation class.
{
if (ModelState.IsValid)
{
bool isExist = UserValidations.isUserExist(usr.Username.ToLower()); //check for username already exist
bool checkEmailExist = UserValidations.isEmailExist(usr.Email.ToLower()); //check for email already exist
bool isValid = UserValidations.isUsernameValid(usr.Username.ToLower()); //check for username validation
if (!isValid)
{
ModelState.AddModelError(string.Empty, "Invalid Username: Only letters, digits, @, _ and . are allowed !");
return(View());
}
if (isExist)
{
ModelState.AddModelError(string.Empty, "Username already exist !");
return(View());
}
if (checkEmailExist)
{
ModelState.AddModelError(string.Empty, "Email already exist !");
return(View());
}
List <RegularUser> userData = UserRepository.ReturnUsers();
if (usr.Password != usr.anotherPassword) //password confirmation
{
ModelState.AddModelError(string.Empty, "Password confirmation failed !");
return(View());
}
if (usr.profilePicture != null) //upload profile picture if user add it in view.
{
var uploadeFolder = Path.Combine(Environment.CurrentDirectory, "wwwroot/Images"); //combines the resident path.
string sourcefile = usr.Username + "-" + "profile_pic" + "-" + usr.profilePicture.FileName; //makes filename
usr.picAddress = Path.Combine("~/images/", sourcefile); //combine both addresses
string destinationPath = Path.Combine(uploadeFolder, sourcefile); //combines both folder + filename
using (var filestream = new FileStream(destinationPath, FileMode.Create))
{
usr.profilePicture.CopyTo(filestream); //saves picture with filestream object.
}
}
//add user credentials except password in lower format.
usr.Email = usr.Email.ToLower();
usr.Username = usr.Username.ToLower();
UserRepository.AddUser(usr);
userData = UserRepository.ReturnUsers();
List <RegularUser> newData = checkForAdmins(userData);
return(View("AdminPanel", newData));
}
else
{
ModelState.AddModelError(string.Empty, "Some data is missing !");
return(View());
}
}
public IActionResult Login(RegularUser regUsr) //checks for the credentials and validations and allow user accordingly as
{ //admin or normal user.
List <RegularUser> userData = UserRepository.ReturnUsers();
if (!string.IsNullOrEmpty(regUsr.Username) && !string.IsNullOrEmpty(regUsr.Password)) //self validtions instead of
{ //ModelState.IdValid.
regUsr.Username = regUsr.Username.ToLower();
bool isExist = UserValidations.isUserExist(regUsr.Username.ToLower()); //checks for user exist
bool isValid = UserValidations.isUsernameValid(regUsr.Username.ToLower()); //username validation.
if (!isValid)
{
ModelState.AddModelError(string.Empty, "Invalid Username: Only letters, digits, @, _ and . are allowed !");
return(View());
}
if (!isExist)
{
ModelState.AddModelError(string.Empty, "Username does not exist !");
return(View());
}
foreach (RegularUser usr in userData)
{
if (usr.Username == regUsr.Username && usr.Password == regUsr.Password) //if matches with any record in DB.
{ //below is the check for admin.
if (regUsr.Username[0] == 'a' && regUsr.Username[1] == 'd' && regUsr.Username[2] == 'm' && regUsr.Username[3] == 'i' && regUsr.Username[4] == 'n')
{
HttpContext.Session.SetString("CurrentAdmin", usr.Username); //make session for admin here.
List <RegularUser> newData = AdminController.checkForAdmins(userData);
return(RedirectToAction("AdminPanel", "Admin", newData));
}
else //if entered credentials are correct and of some normal user except admin.
{
HttpContext.Session.SetString("CurrentUser", usr.Username); //makes session for user.
List <Post> postData = PostRepository.ReturnPosts();
AdminController.manageProfilePic(ref postData);
postData.Reverse();
ViewBag.Id = usr.Id;
return(RedirectToAction("AtHome", "General", postData));
}
}
}
ModelState.AddModelError(string.Empty, "Login credentials do not matched !");
return(View());
}
else
{
ModelState.AddModelError(string.Empty, "Some data is missing !");
return(View());
}
}
public IActionResult Signup(RegularUser usr) //simply add a new user by taking inputs and applying validations.
{
if (ModelState.IsValid)
{
List <RegularUser> userData = UserRepository.ReturnUsers();
bool isExist = UserValidations.isUserExist(usr.Username.ToLower()); //checks whether same username already exist?
bool checkEmailExist = UserValidations.isEmailExist(usr.Email.ToLower()); //checks whther same email already exist?
bool isValid = UserValidations.isUsernameValid(usr.Username.ToLower()); //username validations.
if (!isValid)
{
ModelState.AddModelError(string.Empty, "Invalid Username: Only letters, digits, @, _ and . are allowed !");
return(View());
}
if (isExist)
{
ModelState.AddModelError(string.Empty, "Username already exist !");
return(View());
}
if (checkEmailExist)
{
ModelState.AddModelError(string.Empty, "Email already exist !");
return(View());
}
if (usr.Password != usr.anotherPassword)
{
ModelState.AddModelError(string.Empty, "Password confirmation failed !");
return(View());
}
usr.Username = usr.Username.ToLower();
usr.Email = usr.Email.ToLower();
UserRepository.AddUser(usr);
return(View("Congrats", usr));
}
else
{
ModelState.AddModelError(string.Empty, "Some data is missing !");
return(View());
}
}
public ViewResult Profile(RegularUser usr) //manage the profile and all the fields updated by user.
{
string oldUsername = null;
List <RegularUser> userData = UserRepository.ReturnUsers();
RegularUser rus = userData.Find(ru => ru.Username == HttpContext.Session.GetString("CurrentUser"));
if (ModelState.IsValid)
{ //some validations for username and email.
bool isExist = UserValidations.checkUserExist(usr.Username.ToLower(), rus.Username);
bool isValid = UserValidations.isUsernameValid(usr.Username.ToLower());
bool checkEmailExist = UserValidations.checkEmailExist(usr.Email.ToLower(), rus.Email);
if (!isValid || isExist || checkEmailExist) //to save default profile pic.
{
ViewBag.Id = rus.Id;
if (string.IsNullOrEmpty(rus.picAddress))
{
rus.picAddress = "~/images/temp.jpg";
}
}
if (!isValid)
{
ModelState.AddModelError(string.Empty, "Invalid Username: Only letters, digits, @, _ and . are allowed !");
return(View("Profile", rus));
}
if (isExist)
{
ModelState.AddModelError(string.Empty, "Username already exist !");
return(View("Profile", rus));
}
if (checkEmailExist)
{
ModelState.AddModelError(string.Empty, "Email already exist !");
return(View("Profile", rus));
}
RegularUser ru = userData.Find(ru => ru.Id == usr.Id); //password confirmation here.
if (ru.Password == usr.Password)
{
oldUsername = ru.Username;
}
else
{
ModelState.AddModelError(string.Empty, "Incorrect old password !");
ViewBag.Id = ru.Id;
if (string.IsNullOrEmpty(rus.picAddress))
{
rus.picAddress = "~/images/temp.jpg";
}
return(View("Profile", rus));
}
if (!string.IsNullOrEmpty(ru.picAddress) && usr.profilePicture != null) //in case of updated pic, old will be deleted.
{
string[] listStr = ru.picAddress.Split("~/"); //address will be splited as we need only second part
var path = Path.Combine(Environment.CurrentDirectory, "wwwroot", listStr[listStr.Length - 1]); //combines path
System.IO.File.Delete(path);
}
if (usr.profilePicture != null) //to upload profile picture same as in admin controller, add user action method.
{
var uploadeFolder = Path.Combine(Environment.CurrentDirectory, "wwwroot/Images");
string sourcefile = HttpContext.Session.GetString("CurrentUser") + "-" + "profile_pic" + "-" + usr.profilePicture.FileName;
usr.picAddress = Path.Combine("~/images/", sourcefile);
string destinationPath = Path.Combine(uploadeFolder, sourcefile);
using (var filestream = new FileStream(destinationPath, FileMode.Create))
{
usr.profilePicture.CopyTo(filestream);
}
}
usr.Email = usr.Email.ToLower();
usr.Username = usr.Username.ToLower();
UserRepository.UpdateUser(usr);
HttpContext.Session.SetString("CurrentUser", usr.Username); //update session here for new username.
List <Post> postData = PostRepository.ReturnPosts();
foreach (Post p in postData) //change username on posts as well.
{
if (p.Usr == oldUsername)
{
p.Usr = usr.Username;
PostRepository.UpdatePost(p);
}
}
postData = PostRepository.ReturnPosts();
userData = UserRepository.ReturnUsers();
AdminController.manageProfilePic(ref postData);
ru = userData.Find(ru => ru.Username == HttpContext.Session.GetString("CurrentUser"));
ViewBag.Id = ru.Id;
postData.Reverse();
return(View("AtHome", postData));
}
else //in case of invalid inputs. same way in the all other action methods and controllers with some changes.
{
ModelState.AddModelError(string.Empty, "Please enter correct data !");
if (string.IsNullOrEmpty(rus.picAddress))
{
rus.picAddress = "~/images/temp.jpg";
}
ViewBag.Id = rus.Id;
return(View("Profile", rus));
}
}
public ViewResult UpdateUser(RegularUser usr) //update user with much validations same as above adduser.
{
List <RegularUser> userData = UserRepository.ReturnUsers();
RegularUser regUsr = userData.Find(regUsr => regUsr.Id == usr.Id);
string oldUsername = regUsr.Username;
string oldEmail = regUsr.Email; //below the self validations by me as ModelValidations are not applicable here.
if (!string.IsNullOrEmpty(usr.Username) && !string.IsNullOrEmpty(usr.Email) && !string.IsNullOrEmpty(usr.anotherPassword))
{
bool isExist = UserValidations.checkUserExist(usr.Username.ToLower(), oldUsername); //same validations for adduser,
bool isValid = UserValidations.isUsernameValid(usr.Username.ToLower()); //but old username and emails are
bool checkEmailExist = UserValidations.checkEmailExist(usr.Email.ToLower(), oldEmail); //sent along with new.
if (!isValid || isExist || checkEmailExist) //to add default picture.
{
if (string.IsNullOrEmpty(regUsr.picAddress))
{
regUsr.picAddress = "~/images/temp.jpg";
}
}
if (!isValid)
{
ModelState.AddModelError(string.Empty, "Invalid Username: Letters, digits, @, _ and . are allowed !");
return(View("UpdateUser", regUsr));
}
if (isExist)
{
ModelState.AddModelError(string.Empty, "Username already exist !");
return(View("UpdateUser", regUsr));
}
if (checkEmailExist)
{
ModelState.AddModelError(string.Empty, "Email already exist !");
return(View("UpdateUser", regUsr));
}
if (!string.IsNullOrEmpty(regUsr.picAddress) && usr.profilePicture != null) //removes previous picture if present
{ //in case of new pic uploaded by user.
string[] listStr = regUsr.picAddress.Split("~/");
var path = Path.Combine(Environment.CurrentDirectory, "wwwroot", listStr[listStr.Length - 1]);
System.IO.File.Delete(path);
}
if (usr.profilePicture != null) //to upload profile picture same as in adduser.
{
var uploadeFolder = Path.Combine(Environment.CurrentDirectory, "wwwroot/Images");
string sourcefile = usr.Username + "-" + "profile_pic" + "-" + usr.profilePicture.FileName;
usr.picAddress = Path.Combine("~/images/", sourcefile);
string destinationPath = Path.Combine(uploadeFolder, sourcefile);
using (var filestream = new FileStream(destinationPath, FileMode.Create))
{
usr.profilePicture.CopyTo(filestream);
}
}
usr.Email = usr.Email.ToLower();
usr.Username = usr.Username.ToLower();
UserRepository.UpdateUser(usr);
List <Post> postData = PostRepository.ReturnPosts();
foreach (Post p in postData) //update posts usernames.
{
if (p.Usr == oldUsername)
{
p.Usr = usr.Username;
PostRepository.UpdatePost(p);
}
}
userData = UserRepository.ReturnUsers();
List <RegularUser> newData = checkForAdmins(userData);
return(View("AdminPanel", newData));
}
else
{
ModelState.AddModelError(string.Empty, "Some data is missing !");
if (string.IsNullOrEmpty(regUsr.picAddress))
{
regUsr.picAddress = "~/images/temp.jpg";
}
return(View("UpdateUser", regUsr));
}
}