public IActionResult GetImageById(uint id)
{
using var context = new flashcardsContext();
var imageFileName = (from c in context.cards
where c.id == id && (c.ownerId == LoggedInId() || c.isPublic)
select c.picture).FirstOrDefault();
if (imageFileName is null)
{
return(NotFound());
}
var path = Path.Combine(imagePath, imageFileName);
System.Console.WriteLine(path);
// var converter = new ImageConverter();
if (path.EndsWith(".png", true, null))
{
return(PhysicalFile(path, "image/png"));
}
else if (path.EndsWith(".jpg", true, null) || path.EndsWith(".jpeg", true, null))
{
return(PhysicalFile(path, "image/jpeg"));
}
else if (path.EndsWith(".gif", true, null))
{
return(PhysicalFile(path, "image/gif"));
}
return(null);
// return File((byte[])converter.ConvertTo(context.cards.First(c => c.id == id && (c.ownerId == LoggedInId() || c.isPublic)).picture, typeof(byte[])), "image/gif");
}
public IEnumerable <Set.Set> GetSetsAvailableForUser()
{
var id = LoggedInId();
using var context = new flashcardsContext();
return(context.sets.Where(s => s.ownerId == id || s.creatorId == id).ToList());
}
// [Consumes("application/json")]
// [Produces("application/json")]
public IActionResult CreateCard([FromForm] MinCard c)
{
var id = LoggedInId();
try
{
using var context = new flashcardsContext();
if (!context.sets.Any(s => s.id == c.inSet))
{
return(BadRequest($"There is no set with id {c.inSet}"));
}
if (!context.sets.Any(s => s.id == c.inSet && (s.creatorId == id ||
s.ownerId == id)))
{
return(BadRequest("Access denied"));
}
var card = CreateCardFromMinCard(c, LoggedInId());
context.cards.Add(card);
// SaveImage(c.image, card.id);
context.SaveChanges();
card.picture = SaveImage(c.image, card.id);
context.cards.Update(card);
context.SaveChanges();
return(Ok());
}
catch (Exception e)
{
return(BadRequest(e.Message));
}
}
public IActionResult Register(UserToRegister user)
{
try
{
var u = new User.User(user.username, user.email, user.name, user.surname);
using var context = new flashcardsContext();
if (!IsValidEmail(u.Email))
{
throw new FormatException("Email format is not valid.");
}
if (context.users.Any(us => us.UserName == u.UserName | us.Email == u.Email))
{
if (context.users.Any(us => us.UserName == u.UserName))
{
throw new FormatException("Username is already used");
}
else
{
throw new FormatException("Email is already used");
}
}
u.ChangePassword(user.password);
context.users.Add(u);
context.SaveChanges();
return(Ok(u));
}
catch (FormatException e)
{
return(BadRequest(e.Message));
}
}
public IActionResult IsEmailUsed(string email)
{
if (!IsValidEmail(email))
{
return(BadRequest($"'{email}' isn't correct email format."));
}
using var context = new flashcardsContext();
return(Ok(context.users.Any(u => u.Email == email)));
}
// [Consumes("application/json")]
// [Produces("application/json")]
public IActionResult UpdateCard([FromForm] UpdateRequest updateRequest)
{
try
{
Console.WriteLine(updateRequest.id);
using var context = new flashcardsContext();
var card = context.cards.First(c => c.id == updateRequest.id &&
c.ownerId == LoggedInId());
//db.GetCardById(updateRequest.id);
Console.WriteLine("check after card");
var what = updateRequest.what;
var to = updateRequest.to;
switch (what.ToLower())
{
case "question":
card.question = to;
break;
case "answer":
card.answer = to;
break;
case "image":
card.picture = SaveImage(updateRequest.image, card.id);
break;
default:
return(BadRequest($"{what} isn't a proper value"));
}
context.Update(card);
context.SaveChanges();
return(Ok());
}
catch (InvalidOperationException)
{
return(Unauthorized("Access denied"));
}
catch (Exception e)
{
return(BadRequest(e));
}
}
// [Produces("application/json")]
public IEnumerable <PublicCard> GetCardsBySetId(uint id)
{
try
{
using var context = new flashcardsContext();
if (!context.sets.Any(s => s.id == id && (s.ownerId == LoggedInId() || s.isPublic)))
{
return(null);
}
var tempCard = context.cards.Where(c => c.inSet == id && (c.ownerId == LoggedInId() ||
c.isPublic)).ToList();
return(CreatePublicCardFromCard(tempCard));
}
catch (Exception)
{
return(null);
}
}
public IActionResult UpdateUserData(UpdateRequest updateRequest)
{
if (updateRequest.id != LoggedInId())
{
return(Unauthorized("Access denied"));
}
using var context = new flashcardsContext();
var user = context.users.First(u => u.Id == updateRequest.id);
var to = updateRequest.to;
var what = updateRequest.what;
switch (what.ToLower())
{
case "email":
if (!IsValidEmail(to))
{
return(BadRequest($"'{to}' isn't correct email format."));
}
user.Email = to;
break;
case "name":
user.name = to;
break;
case "surname":
user.surname = to;
break;
case "password":
user.ChangePassword(to);
break;
default:
return(BadRequest($"'{what}' is not valid property"));
}
context.Update(user);
context.SaveChanges();
return(Ok("Successfully changed"));
}
public IActionResult UploadImage([FromForm] UploadImageViewModel model)
{
var cardId = model.cardId;
var file = model.file;
// checks extension
if (!imageExtensions.Any(x => file.FileName.EndsWith(x)))
{
return(UnprocessableEntity());
}
using var context = new flashcardsContext();
// returns card if exists and is public or the user is owner
// if doesn't exist returns null
var card = (from c in context.cards
where c.id == model.cardId &&
(c.ownerId == LoggedInId() || c.isPublic)
select c).SingleOrDefault();
// 404 if card not found
if (card is null)
{
return(NotFound());
}
// user cannot edit card if is not owner
if (card.ownerId != LoggedInId())
{
return(Forbid());
}
var name = SaveImage(file, cardId);
if (name is null)
{
return(BadRequest());
}
card.picture = name;
context.cards.Update(card);
context.SaveChanges();
return(Ok());
}
// [Consumes("application/json")]
// [Produces("application/json")]
public IActionResult CreateSet([FromForm] SetToCreate setToCreate)
{
try
{
using var context = new flashcardsContext();
var id = LoggedInId();
var set = new Set.Set(setToCreate.name, id, id, setToCreate.isPublic);
context.sets.Add(set);
context.SaveChanges();
return(Ok());
}
catch (Exception e)
{
return(BadRequest(e.Message));
}
}
public PublicUser GetUserPublic(uint id, string username)
{
try
{
using var context = new flashcardsContext();
return(new PublicUser(context.users.First(u => u.Id == id)));
}
catch (Exception)
{
try
{
using var context = new flashcardsContext();
return(new PublicUser(context.users.First(u => u.UserName == username)));
}
catch (Exception)
{
return(null);
}
}
}
public IActionResult Login(LoginData loginData)
{
using var context = new flashcardsContext();
IActionResult response = Unauthorized();
try
{
var user = context.users.First(u => u.UserName == loginData.login);
if (!user.ValidatePassword(loginData.password))
{
return(response);
}
var token = GenerateJsonWebToken(user);
response = Ok(new { token });
return(response);
}
catch (InvalidOperationException)
{
return(response);
}
}
public PublicCard GetCardById(uint id)
{
try
{
using var context = new flashcardsContext();
// var tempCard = context.cards.First(c => c.id == id && (c.ownerId == LoggedInId() || c.isPublic)); // A
var tempCard =
(
from c in context.cards
where c.id == id && (c.ownerId == LoggedInId() || c.isPublic)
select c
).First();
return(CreatePublicCardFromCard(tempCard));
}
catch (ArgumentNullException)
{
return(null);
}
catch (InvalidOperationException)
{
return(null);
}
}
private User.User GetClaim(string token, string claimType)
{
if (!ValidateCurrentToken(token))
{
throw new NotImplementedException("bad token");
}
var tokenHandler = new JwtSecurityTokenHandler();
var securityToken = tokenHandler.ReadToken(token) as JwtSecurityToken;
using var context = new flashcardsContext();
if (securityToken == null)
{
throw new NotImplementedException("token is null");
}
var userId = int.Parse(securityToken.Claims.First(claim => claim.Type == claimType).Value);
if (securityToken.ValidTo < DateTime.UtcNow)
{
throw new NotImplementedException("expired");
}
return(context.users.First(u => u.Id == userId));
}
public IActionResult TransferOwnership(ChangeOwnership change)
{
try
{
using var context = new flashcardsContext();
var set = context.sets.First(s => s.id == change.setId);
if (set.ownerId != LoggedInId())
{
return(Unauthorized("Access denied for this set"));
}
var user = context.users.First(u => u.Id == change.userId);
set.ownerId = user.Id;
context.SaveChanges();
return(Ok());
}
catch (ArgumentNullException e)
{
return(BadRequest(e.Message));
}
}
public IEnumerable <Set.Set> GetAllSets()
{
using var context = new flashcardsContext();
return(context.sets.Where(s => s.isPublic).ToList());
}
public User.User GetMe()
{
using var context = new flashcardsContext();
return(context.users.First(u => u.Id == LoggedInId()));
}
public IActionResult IsUsernameUsed(string username)
{
using var context = new flashcardsContext();
return(Ok(context.users.Any(u => u.UserName == username)));
}
public IEnumerable <Set.Set> GetPublicSetsByNameLike(string name)
{
using var context = new flashcardsContext();
return(context.sets.Where(s => s.name.Contains(name)).ToList());
}
public Set.Set GetSetById(uint id)
{
using var context = new flashcardsContext();
return(context.sets.First(s => s.id == id));
}
public IEnumerable <PublicUser> GetPublicUsers()
{
using var context = new flashcardsContext();
return(context.users.Cast <PublicUser>().ToList());
}
