/// <summary>
/// Get a collection of users from a collection of their ids
/// </summary>
/// <param name="ids"></param>
/// <returns></returns>
public async Task <IEnumerable <User> > GetUsersByIdsAsync(IEnumerable <int> ids)
{
var userEntities = _context.UserEntities;
var userIds = userEntities
.Select(u => u.Id)
.ToList();
if (!ids.All(id => userIds.Contains(id)))
{
throw new ArgumentException("Not all ids requested are present.");
}
var users = await userEntities
.Include(u => u.Followees)
.ThenInclude(u => u.Followee)
.Include(u => u.Followers)
.ThenInclude(u => u.Follower)
.Include(u => u.Posts)
.ToListAsync();
if (!ids.Any() || !users.Any())
{
return(new List <User>());
}
return(users
.Where(u => ids.Contains(u.Id))
.Select(u => DbEntityConverter.ToUser(u))
.ToList());
}
/// <summary>
/// get's users by a string that contains anything in this string
/// </summary>
/// <param name="name"></param>
/// <returns></returns>
public async Task <IEnumerable <User> > GetUserByName(string name)
{
// loser the string of both name and FirstName. also works for last name
var entity = await _context.UserEntities.Where(n => n.FirstName.ToLower().Contains(name.ToLower()) || n.LastName.ToLower().Contains(name.ToLower())).ToListAsync();
var users = entity.Select(e => DbEntityConverter.ToUser(e)); // turn into a list.
return(users);
}
/// <summary>
/// Get all users
/// </summary>
/// <returns></returns>
public IEnumerable <User> GetAllUsers()
{
var entity = _context.UserEntities
.Include(u => u.Followees)
.ThenInclude(u => u.Followee)
.Include(u => u.Followers)
.ThenInclude(u => u.Follower)
.Include(u => u.Posts)
.ToList();
var users = entity.Select(e => DbEntityConverter.ToUser(e));
return(users);
}
/// <summary>
/// Get all users asyncronously
/// </summary>
/// <returns></returns>
public async Task <IEnumerable <User> > GetAllUsersAsync()
{
var entities = await _context.UserEntities
.Include(u => u.Followees)
.ThenInclude(u => u.Followee)
.Include(u => u.Followers)
.ThenInclude(u => u.Follower)
.Include(u => u.Posts)
.ToListAsync();
var users = entities.Select(e => DbEntityConverter.ToUser(e)); // turn into a list.
return(users);
}
/// <summary>
/// Get user by the id that they pass into the conroller
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public async Task <User> GetUserByIdAsync(int id)
{
var entities = _context.UserEntities;
if (id < 1 || !entities.Any() || id > entities.Max(u => u.Id))
{
throw new ArgumentException($"{id} is not a valid id.");
}
var entity = await entities
.Where(u => u.Id == id)
.Include(u => u.Followees)
.ThenInclude(u => u.Followee)
.Include(u => u.Followers)
.ThenInclude(u => u.Follower)
.FirstOrDefaultAsync();
var user = DbEntityConverter.ToUser(entity); // turn inato a user
return(user);
}
public async Task <User> GetUserByEmailAsync(string email)
{
var entities = _context.UserEntities;
email.EnforceEmailCharacters(nameof(email));
if (!entities.Any())
{
throw new ArgumentException($"{email} does not belong to any user");
}
var entity = await entities
.Where(e => e.Email == email)
.Include(u => u.Followees)
.ThenInclude(u => u.Followee)
.Include(u => u.Followers)
.ThenInclude(u => u.Follower)
.Include(u => u.Posts)
.FirstOrDefaultAsync();
var user = DbEntityConverter.ToUser(entity); // turn into a user
return(user);
}