/// <inheritdoc />
/// <exception cref="UserNotFoundException">Thrown when user is not found</exception>
public async Task RemoveUserByIdAsync(string userId)
{
var userToRemove = await _userManager.FindByIdAsync(userId);
if (userToRemove == null)
{
throw new UserNotFoundException();
}
await _db.Entry(userToRemove).Collection(u => u.Todos).LoadAsync();
// Clear cached todos owned by the user
foreach (var todo in userToRemove.Todos)
{
_cache.Remove(CacheConstants.GetSingleTodoCacheKey(
todo.Id, userToRemove.Id));
_cache.Remove(CacheConstants.GetAllTodosForDayCacheKey(
userToRemove.Id, todo.Due.Date));
}
_cache.Remove(CacheConstants.GetAllTodosCacheKey(userToRemove.Id));
_db.RemoveRange(userToRemove.Todos);
await _userManager.DeleteAsync(userToRemove);
await _db.SaveChangesAsync();
// Clear user if cached and all user list.
_cache.Remove(CacheConstants.GetSingleUserCacheKey(userToRemove.Id));
_cache.Remove(CacheConstants.AllUsersCacheKey);
}
public void GetAllTodosCacheKey_WithUuid_Matches()
{
// Arrange
const string id = "79744ca4-c450-40ed-8ea4-daf0569b70e1";
// Act
var cacheKey = CacheConstants.GetAllTodosCacheKey(id);
// Assert
Assert.Equal("c_todos_79744ca4-c450-40ed-8ea4-daf0569b70e1", cacheKey);
}
/// <inheritdoc />
/// <exception cref="TodoNotFoundException">When todo is not found</exception>
public async Task RemoveTodoByIdAsync(int todoId, string userId)
{
var todo = await _db.Todo.SingleOrDefaultAsync(t => t.Id == todoId && t.Owner.Id == userId);
if (todo == null)
{
throw new TodoNotFoundException();
}
_db.Remove(todo);
await _db.SaveChangesAsync();
// Clear all related caches
_cache.Remove(CacheConstants.GetSingleTodoCacheKey(todoId, userId));
_cache.Remove(CacheConstants.GetAllTodosCacheKey(userId));
_cache.Remove(CacheConstants.GetAllTodosForDayCacheKey(userId, todo.Due));
}
/// <summary>
/// Returns all todos with no filtering.
/// </summary>
/// <param name="userId">The id of the tokwn owner</param>
/// <returns>List of todos</returns>
private async Task <IEnumerable <TodoDto> > GetAllTodosOrderedByDueWithNoFilterAsync(string userId)
{
var cacheKey = CacheConstants.GetAllTodosCacheKey(userId);
if (!_cache.TryGetValue(cacheKey, out List <TodoDto> todos))
{
todos = await(from t in _db.Todo
where t.Owner.Id == userId
orderby t.Due
select new TodoDto(t)).ToListAsync();
if (todos.Any())
{
_cache.Set(cacheKey, CacheConstants.GetDefaultCacheOptions());
}
}
return(todos);
}
/// <inheritdoc />
/// <exception cref="UserNotFoundException">When todo is not found</exception>
public async Task <int> CreateTodoAsync(CreateTodoViewModel todo, string userId)
{
var user = await _userManager.FindByIdAsync(userId);
if (user == null)
{
throw new UserNotFoundException();
}
var newTodo = new Todo(todo, user);
await _db.AddAsync(newTodo);
await _db.SaveChangesAsync();
// Add to single cache and clear list cache
_cache.Set(CacheConstants.GetSingleTodoCacheKey(newTodo.Id, userId),
newTodo, CacheConstants.GetDefaultCacheOptions());
_cache.Remove(CacheConstants.GetAllTodosCacheKey(userId));
_cache.Remove(CacheConstants.GetAllTodosForDayCacheKey(userId, newTodo.Due));
return(newTodo.Id);
}
/// <inheritdoc />
/// <exception cref="TodoNotFoundException">When todo is not found</exception>
public async Task EditTodoAsync(EditTodoViewModel model, string userId)
{
var todo = await _db.Todo.SingleOrDefaultAsync(t => t.Id == model.Id && t.Owner.Id == userId);
if (todo == null)
{
throw new TodoNotFoundException();
}
var oldDate = todo.Due;
todo.Edit(model);
await _db.SaveChangesAsync();
// Set cache for single and clear related lists
_cache.Set(CacheConstants.GetSingleTodoCacheKey(todo.Id, userId),
todo, CacheConstants.GetDefaultCacheOptions());
_cache.Remove(CacheConstants.GetAllTodosCacheKey(userId));
_cache.Remove(CacheConstants.GetAllTodosForDayCacheKey(userId, oldDate));
if (oldDate.Date != todo.Due.Date)
{
_cache.Remove(CacheConstants.GetAllTodosForDayCacheKey(userId, todo.Due));
}
}