67 lines
2.0 KiB
C#
67 lines
2.0 KiB
C#
using VoidCat.Model;
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using VoidCat.Services.Abstractions;
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namespace VoidCat.Services.Users;
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public class UserStore : IUserStore
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{
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private const string UserList = "users";
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private readonly ICache _cache;
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public UserStore(ICache cache)
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{
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_cache = cache;
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}
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public async ValueTask<Guid?> LookupUser(string email)
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{
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return await _cache.Get<Guid>(MapKey(email));
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}
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public async ValueTask<T?> Get<T>(Guid id) where T : VoidUser
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{
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return await _cache.Get<T>(MapKey(id));
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}
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public async ValueTask Set(InternalVoidUser user)
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{
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await _cache.Set(MapKey(user.Id), user);
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await _cache.AddToList(UserList, user.Id.ToString());
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await _cache.Set(MapKey(user.Email), user.Id.ToString());
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}
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public async ValueTask<PagedResult<PrivateVoidUser>> ListUsers(PagedRequest request)
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{
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var users = (await _cache.GetList(UserList))?.Select(Guid.Parse);
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users = (request.SortBy, request.SortOrder) switch
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{
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(PagedSortBy.Id, PageSortOrder.Asc) => users?.OrderBy(a => a),
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(PagedSortBy.Id, PageSortOrder.Dsc) => users?.OrderByDescending(a => a),
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_ => users
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};
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async IAsyncEnumerable<PrivateVoidUser> EnumerateUsers(IEnumerable<Guid> ids)
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{
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var usersLoaded = await Task.WhenAll(ids.Select(async a => await Get<PrivateVoidUser>(a)));
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foreach (var user in usersLoaded)
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{
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if (user != default)
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{
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yield return user;
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}
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}
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}
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return new()
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{
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Page = request.Page,
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PageSize = request.PageSize,
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TotalResults = users?.Count() ?? 0,
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Results = EnumerateUsers(users?.Skip(request.PageSize * request.Page).Take(request.PageSize))
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};
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}
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private static string MapKey(Guid id) => $"user:{id}";
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private static string MapKey(string email) => $"user:email:{email}";
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}
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