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namespace I2R.Storage.Api.Services.System;
public class StorageService
{
private readonly AppDatabase _database;
private readonly ILogger<StorageService> _logger;
public StorageService(AppDatabase database, ILogger<StorageService> logger) {
_database = database;
_logger = logger;
}
public async Task<List<FileSystemEntry>> GetFileSystemEntriesAsync(Guid parent = default) {
var fileSystemEntriesContext = _database.Folders
.Include(c => c.Files)
.ConditionalWhere(() => parent != default, folder => folder.ParentId == parent)
.Select(p => new FileSystemEntry() {
Id = p.Id,
Name = p.Name,
MimeType = SystemConstants.FolderMimeType,
SizeInBytes = -1,
Files = p.Files.Select(c => new FileSystemEntry() {
Id = c.Id,
Name = c.Name,
MimeType = c.MimeType,
SizeInBytes = c.SizeInBytes
}).ToList()
})
.KeysetPaginate(builder => { builder.Ascending(entry => entry.Name); });
var fileSystemEntries = await fileSystemEntriesContext.Query.ToListAsync();
fileSystemEntriesContext.EnsureCorrectOrder(fileSystemEntries);
return fileSystemEntries;
}
public async Task<FileSystemEntry> GetFileSystemEntryAsync(Guid folder) {
return _database.Folders.Include(c => c.Files).Select(c => new FileSystemEntry() {
Id = c.Id,
SizeInBytes = -1,
MimeType = SystemConstants.FolderMimeType,
Files = c.Files.Select(p => new FileSystemEntry() {
SizeInBytes = p.SizeInBytes,
MimeType = p.MimeType,
Id = p.Id,
Name = p.Name
}).ToList()
}).FirstOrDefault(c => c.Id == folder);
}
}
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