public async Task <List <CommentSockets> > GetAllCommentsForPost(int postId)
{
using (ShapeAppDbContext ctx = new ShapeAppDbContext())
{
Post post = await ctx.Posts.Where(p => p.Id == postId)
.Include(p => p.Comments)
.ThenInclude(c => c.Owner)
.Include(p => p.Owner).FirstAsync();
List <Comment> orderedComments = post.Comments.OrderByDescending(c => c.TimeStamp).ToList();
if (orderedComments.Any())
{
List <CommentSockets> comments = new List <CommentSockets>();
foreach (var postComment in orderedComments)
{
UserShortVersion owner = new UserShortVersion {
UserId = postComment.Owner.Id,
UserFullName = postComment.Owner.Name
};
comments.Add(new CommentSockets
{
Id = postComment.Id,
Owner = owner,
Content = postComment.Content,
TimeStamp = postComment.TimeStamp
});
}
return(comments);
}
return(null);
}
}
/// <summary>
/// Retrieves a user short version instance with the given user id
/// </summary>
/// <param name="actualRequest">the client request to be handled</param>
/// <returns>the response to the given request</returns>
private ActualRequest GetUserShortVersionById(ActualRequest actualRequest)
{
Request request = actualRequest.Request;
int userId = Convert.ToInt32(request.Argument.ToString());
UserShortVersion user = userRepo.GetUserShortVersionById(userId);
Request response = new Request
{
ActionType = ActionType.USER_GET_SV_BY_ID.ToString(),
Argument = JsonSerializer.Serialize(user)
};
List <byte[]> userAvatars = new List <byte[]>();
if (user != null)
{
try {
var readAvatarFile = File.ReadAllBytes($"{FILE_PATH}/Users/{user.UserId}/avatar.jpg");
userAvatars.Add(ImagesUtil.ResizeImage(readAvatarFile, 20, 20));
}
catch (Exception e) {
Console.WriteLine("No avatar found for user " + user.UserId);
}
}
return(new ActualRequest
{
Request = response,
Images = userAvatars
});
}
public async Task Login(Login login)
{
Console.WriteLine("Validating log in");
if (string.IsNullOrEmpty(login.Email))
{
throw new Exception("Enter username");
}
if (string.IsNullOrEmpty(login.Password))
{
throw new Exception("Enter password");
}
ClaimsIdentity identity = new ClaimsIdentity();
try
{
UserShortVersion currentLogged = await userManger.Login(login);
identity = SetupClaimsForUser(currentLogged);
string serialisedData = JsonSerializer.Serialize(currentLogged);
await jsRuntime.InvokeVoidAsync("sessionStorage.setItem", "currentUser", serialisedData);
CachedUser = currentLogged;
}
catch (Exception e)
{
throw e;
}
NotifyAuthenticationStateChanged(
Task.FromResult <AuthenticationState>(new AuthenticationState(new ClaimsPrincipal(identity))));
}
public async Task <PostShortVersion> GetPostByIdAsync(int postId, int userId)
{
using (ShapeAppDbContext ctx = new ShapeAppDbContext())
{
Post post = await ctx.Posts
.Include(p => p.Owner)
.FirstOrDefaultAsync(p => p.Id == postId);
if (post == null)
{
return(null);
}
UserShortVersion owner = new UserShortVersion
{
UserId = post.Owner.Id,
UserFullName = post.Owner.Name,
};
int countComments = ctx.Posts.Where(p => p.Id == post.Id)
.Include(p => p.Comments).First().Comments.Count;
Console.WriteLine("Post " + post.Id + " has " + countComments + " comments");
int countLikes = ctx.PostActions.Count(pa => pa.PostId == post.Id && pa.IsLike);
Console.WriteLine("Post " + post.Id + " has " + countLikes + " likes");
PostAction postAction = await ctx.PostActions.FirstOrDefaultAsync(pa =>
pa.PostId == postId && pa.UserId == userId);
bool[] postStatus = new bool[2];
if (postAction == null)
{
for (int i = 0; i < postStatus.Length; i++)
{
postStatus[i] = false;
}
}
else
{
postStatus[0] = postAction.IsLike;
postStatus[1] = postAction.IsReport;
}
return(new PostShortVersion
{
Id = post.Id,
Title = post.Title,
Content = post.Content,
Owner = owner,
TimeStamp = post.TimeStamp,
HasImage = post.HasImage,
NumberOfComments = countComments,
NumberOfLikes = countLikes,
PostStatus = postStatus
});
}
}
public async void Logout()
{
CachedUser = null;
var user = new ClaimsPrincipal(new ClaimsIdentity());
await jsRuntime.InvokeVoidAsync("sessionStorage.setItem", "currentUser", "");
NotifyAuthenticationStateChanged(Task.FromResult(new AuthenticationState(user)));
//websocket request
}
private ClaimsIdentity SetupClaimsForAdmin(UserShortVersion admin)
{
List <Claim> claims = new List <Claim>();
claims.Add(new Claim("Id", admin.UserId.ToString()));
claims.Add(new Claim("AccountType", admin.AccountType));
ClaimsIdentity identity = new ClaimsIdentity(claims, "apiauth_type");
return(identity);
}
public async Task <bool> EditUser(User editedUser, UserShortVersion currentLogged)
{
if (editedUser.Avatar == currentLogged.Avatar)
{
editedUser.Avatar = null;
}
HttpResponseMessage response = await client.PutAsync($"{uri}/{editedUser.Id}", PrepareObjectForRequest(editedUser));
if (response.IsSuccessStatusCode && response.StatusCode != HttpStatusCode.BadRequest)
{
return(true);
}
return(false);
}
public static UserShortVersion GetLoggedUser(AuthenticationState state)
{
UserShortVersion user = new UserShortVersion
{
UserId = Int32.Parse(state.User.Claims.First(c => c.Type.Equals("Id")).Value),
AccountType = state.User.Claims.First(c => c.Type.Equals("AccountType")).Value,
UserFullName = state.User.Claims.First(c => c.Type.Equals("Name")).Value
};
if (!user.AccountType.Equals("Administrator"))
{
user.Avatar = Convert.FromBase64String(state.User.Claims.First(c => c.Type.Equals("Avatar")).Value);
}
return(user);
}
/// <summary>
/// Retrieves the user with the given email and password, if any
/// </summary>
/// <param name="actualRequest">the client request to be handled</param>
/// <returns>the response to the given request</returns>
private async Task <ActualRequest> LoginAsync(ActualRequest actualRequest)
{
Request request = actualRequest.Request;
string credentialsAsJson = request.Argument.ToString();
LoginCredentials loginCredentials = JsonSerializer.Deserialize <LoginCredentials>(credentialsAsJson);
Console.WriteLine("Got login credentials " + loginCredentials.Email + loginCredentials.Password);
UserShortVersion loginResult = await userRepo.LoginAsync(loginCredentials.Email, loginCredentials.Password);
Request requestResponse = new Request
{
ActionType = ActionType.USER_LOGIN.ToString(),
Argument = JsonSerializer.Serialize(loginResult)
};
if (loginResult == null)
{
return new ActualRequest
{
Request = requestResponse,
Images = null
}
}
;
List <byte[]> images = new List <byte[]>();
if (!loginResult.AccountType.Equals("Administrator"))
{
try
{
byte[] readFile = File.ReadAllBytes($"{FILE_PATH}/Users/{loginResult.UserId}/avatar.jpg");
images.Add(readFile);
}
catch (Exception e)
{
Console.WriteLine("No avatar found for user " + loginResult.UserId);
}
}
return(new ActualRequest
{
Request = requestResponse,
Images = images
});
}
public async Task <UserShortVersion> Login(Login login)
{
HttpResponseMessage result =
await client.GetAsync($"{uri}/login?email={login.Email}&password={login.Password}");
if (result.IsSuccessStatusCode)
{
string responseString = await result.Content.ReadAsStringAsync();
UserShortVersion user = JsonSerializer.Deserialize <UserShortVersion>(responseString);
Console.WriteLine("TYPETYPETYPE" + user.AccountType);
return(user);
}
return(null);
}
private ClaimsIdentity SetupClaimsForUser(UserShortVersion user)
{
List <Claim> claims = new List <Claim>();
claims.Add(new Claim("Id", user.UserId.ToString()));
if (user.UserFullName != null)
{
claims.Add(new Claim("Name", user.UserFullName));
}
claims.Add(new Claim("AccountType", user.AccountType));
if (user.Avatar != null)
{
claims.Add(new Claim("Avatar", Convert.ToBase64String(user.Avatar)));
}
ClaimsIdentity identity = new ClaimsIdentity(claims, "apiauth_type");
return(identity);
}
public override async Task <AuthenticationState> GetAuthenticationStateAsync()
{
var identity = new ClaimsIdentity();
if (CachedUser == null)
{
string userAsJson = await jsRuntime.InvokeAsync <string>("sessionStorage.getItem", "currentUser");
if (!string.IsNullOrEmpty(userAsJson))
{
CachedUser = JsonSerializer.Deserialize <UserShortVersion>(userAsJson);
identity = SetupClaimsForUser(CachedUser);
}
}
else
{
identity = SetupClaimsForUser(CachedUser);
}
ClaimsPrincipal cachedClaimsPrincipal = new ClaimsPrincipal(identity);
return(await Task.FromResult(new AuthenticationState(cachedClaimsPrincipal)));
}
public static string GetUserAvatar(UserShortVersion user)
{
return(String.Format("data:image/gif;base64,{0}", Convert.ToBase64String(user.Avatar)));
}
