public async Task <bool> AddFriendAsync(long userId, long friendId)
{
if (userId == friendId)
{
throw new ArgumentException("Can't be the same id");
}
var users = await _dbContext.Users.Where(x => x.Id == userId || x.Id == friendId).ToListAsync();
if (users.Count != 2)
{
throw new ArgumentException("No such user");
}
var existingFriend = await _dbContext.Friends.FirstOrDefaultAsync(x =>
x.UserId == userId && x.FriendId == friendId ||
x.FriendId == userId && x.UserId == friendId);
if (existingFriend != null && existingFriend.FriendStatus == FriendStatus.Friend)
{
return(false);
}
else if (existingFriend != null && existingFriend.FriendStatus == FriendStatus.Deleted)
{
existingFriend.FriendStatus = FriendStatus.Friend;
await _dbContext.SaveChangesAsync();
return(true);
}
else if (existingFriend == null)
{
_dbContext.Friends.Add(new Friend
{
UserId = userId,
FriendId = friendId,
FriendStatus = FriendStatus.Friend,
FriendshipStartDate = DateTime.Now
});
await _dbContext.SaveChangesAsync();
return(true);
}
return(false);
}
public async Task CompleteUserGoalAsync(long userId, long goalId, bool isCompleted)
{
var checkUserId = await _dbContext.Users.AnyAsync(x => x.Id == userId);
if (!checkUserId)
{
throw new ArgumentException("No such user");
}
var checkGoal = await _dbContext.UserGoals
.FirstOrDefaultAsync(x => x.User.Id == userId && x.Goal.Id == goalId && x.IsCompleted == false);
if (checkGoal == null)
{
throw new ArgumentException("No such goal");
}
else
{
checkGoal.IsCompleted = true;
checkGoal.FinishDate = DateTime.Now;
await _dbContext.SaveChangesAsync();
}
}
public async Task <bool> TakePartInGlobalGoalsAsync(long userId, long goalId)
{
var checkUserId = await _dbContext.Users.AnyAsync(x => x.Id == userId);
var checGoalId = await _dbContext.Goals.AnyAsync(x => x.Id == goalId && x.GoalType == GoalType.Global);
if (!checkUserId)
{
throw new ArgumentException("No such user");
}
if (!checGoalId)
{
throw new ArgumentException("No such global goal");
}
var exist = await _dbContext.UserGoals
.FirstOrDefaultAsync(x => x.UserId == userId && x.GoalId == goalId && x.Goal.GoalType == GoalType.Global);
if (exist != null)
{
return(false);
}
else
{
_dbContext.UserGoals.Add(new UserGoal
{
UserId = userId,
GoalId = goalId,
IsCompleted = false,
StartDate = DateTime.Now,
IsDeleted = false,
});
await _dbContext.SaveChangesAsync();
return(true);
}
}
public async Task <bool> DownloadUserProfilePictureAsync(long userId, byte[] picture, string contentType)
{
var user = await _dbContext.Users.FirstOrDefaultAsync(x => x.Id == userId);
if (user == null)
{
throw new ArgumentException("No such user");
}
else if (!mimeTypes.Contains(contentType))
{
return(false);
}
else
{
user.ContentType = contentType;
user.ProfilePicture = picture;
await _dbContext.SaveChangesAsync();
return(true);
}
}
public async Task <bool> AddUserAsync(string email, string password, string firstName, string lastName)
{
var user = await _dbContext.Users.FirstOrDefaultAsync(x => x.Email == email.ToLower());
if (user == null)
{
_dbContext.Users
.Add(
new User
{
Email = email.ToLower(),
PasswordHash = ComputeSHA512(password),
Role = Role.User,
FirstName = firstName,
LastName = lastName
});
await _dbContext.SaveChangesAsync();
return(true);
}
return(false);
}