60 lines
1.7 KiB
C#
60 lines
1.7 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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/// <inheritdoc />
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public class CacheUserUploadStore : IUserUploadsStore
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{
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private readonly ICache _cache;
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public CacheUserUploadStore(ICache cache)
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{
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_cache = cache;
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}
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/// <inheritdoc />
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public async ValueTask<PagedResult<Guid>> ListFiles(Guid user, PagedRequest request)
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{
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var ids = (await _cache.GetList(MapKey(user))).Select(Guid.Parse);
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ids = (request.SortBy, request.SortOrder) switch
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{
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(PagedSortBy.Id, PageSortOrder.Asc) => ids.OrderBy(a => a),
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(PagedSortBy.Id, PageSortOrder.Dsc) => ids.OrderByDescending(a => a),
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_ => ids
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};
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var idsRendered = ids.ToList();
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async IAsyncEnumerable<Guid> EnumerateResults(IEnumerable<Guid> page)
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{
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foreach (var id in page)
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{
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yield return id;
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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 = idsRendered.Count,
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Data = EnumerateResults(idsRendered.Skip(request.Page * request.PageSize).Take(request.PageSize))
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};
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}
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/// <inheritdoc />
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public async ValueTask AddFile(Guid user, Guid file)
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{
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await _cache.AddToList(MapKey(user), file.ToString());
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await _cache.Set(MapUploader(file), user);
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}
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/// <inheritdoc />
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public ValueTask<Guid?> Uploader(Guid file)
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{
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return _cache.Get<Guid?>(MapUploader(file));
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}
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private static string MapKey(Guid id) => $"user:{id}:uploads";
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private static string MapUploader(Guid file) => $"file:{file}:uploader";
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} |