luoqian
d84bbb3a18
- 新增二维码生成端点，自动检测局域网 IP，前端扫一扫即可打开网站 - 提取 IApiResponse 接口，ServiceRequestBinder 支持强类型请求 DTO 绑定 - FileStream 端点迁移至 AppEndpoints 统一注册，管道支持 FileStreamResponse 原始文件返回 - 文件库端点全面使用 MapGet<TService, TRequest> 泛型注册 - 移除 Avalonia-API/Extensions 中的业务端点文件，统一由 Services 层管理
38 lines
1.2 KiB
C#
38 lines
1.2 KiB
C#
using Avalonia_EFCore.Database;
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using Avalonia_EFCore.Models;
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using Avalonia_Services.Core;
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using Microsoft.EntityFrameworkCore;
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namespace Avalonia_Services.Services.FileLibrary
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{
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public interface IFileStreamService
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{
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Task<FileStreamResponse?> GetFileStreamAsync(int id, CancellationToken cancellationToken = default);
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}
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public sealed class FileStreamService(AppDataContext db) : IFileStreamService
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{
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public async Task<FileStreamResponse?> GetFileStreamAsync(int id, CancellationToken cancellationToken = default)
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{
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var file = await db.ManagedFileRecords
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.AsNoTracking()
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.Include(item => item.LibraryRoot)
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.FirstOrDefaultAsync(item =>
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item.Id == id
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&& item.Exists
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&& item.LibraryRoot != null
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&& item.LibraryRoot.IsAvailable,
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cancellationToken);
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if (file is null || !System.IO.File.Exists(file.AbsolutePath))
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return null;
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return new FileStreamResponse(
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file.AbsolutePath,
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file.FileName,
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file.ContentType,
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file.LastWriteTimeUtc);
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}
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}
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}
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