d861be0d6e
- 新增 GET /files/content 接口，后端直接读取S3文件文本内容返回 - Repository 新增 GetFileContent 方法 - CQRS: 新增 GetFileContentQuery / GetFileContentHandler - 前端 Markdown 预览改为调用后端接口获取内容，用 marked.js 渲染 - 解决 presigned URL CORS 和下载头导致 MD 文件无法预览的问题 - config.go: AuthAPIKey 默认值恢复为 xn001624. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
111 lines
2.5 KiB
Go
111 lines
2.5 KiB
Go
package handlers
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import (
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"context"
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"file-system/internal/common"
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"file-system/internal/domain/repository"
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"io"
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"time"
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)
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// Queries & Commands
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type ListFilesQuery struct {
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BucketName string
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Prefix string
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MaxKeys int32
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Token *string
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}
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type GetFilePreviewQuery struct {
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BucketName string
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ObjectKey string
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Expiry time.Duration
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}
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// GetFileContentQuery 获取文件文本内容查询
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type GetFileContentQuery struct {
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BucketName string
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ObjectKey string
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}
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type InitMultipartCommand struct {
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BucketName string
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ObjectKey string
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}
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type UploadPartCommand struct {
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BucketName string
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ObjectKey string
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UploadId string
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PartNumber int32
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Data io.Reader
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}
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type CompleteMultipartCommand struct {
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BucketName string
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ObjectKey string
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UploadId string
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Parts []common.Part
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}
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// Handlers
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type ListFilesHandler struct {
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Repo repository.FileRepository
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}
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func NewListFilesHandler(repo repository.FileRepository) *ListFilesHandler {
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return &ListFilesHandler{Repo: repo}
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}
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func (h *ListFilesHandler) Handle(ctx context.Context, q ListFilesQuery) (*repository.ListFilesResult, error) {
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return h.Repo.ListObjectsV2(ctx, q.BucketName, q.Prefix, q.MaxKeys, q.Token)
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}
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type GetFilePreviewHandler struct {
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Repo repository.FileRepository
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}
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func NewGetFilePreviewHandler(repo repository.FileRepository) *GetFilePreviewHandler {
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return &GetFilePreviewHandler{Repo: repo}
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}
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func (h *GetFilePreviewHandler) Handle(ctx context.Context, q GetFilePreviewQuery) (string, error) {
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return h.Repo.GeneratePresignedURL(ctx, q.BucketName, q.ObjectKey, q.Expiry)
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}
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// GetFileContentHandler 获取文件文本内容处理器
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type GetFileContentHandler struct {
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Repo repository.FileRepository
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}
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func NewGetFileContentHandler(repo repository.FileRepository) *GetFileContentHandler {
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return &GetFileContentHandler{Repo: repo}
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}
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func (h *GetFileContentHandler) Handle(ctx context.Context, q GetFileContentQuery) (string, error) {
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return h.Repo.GetFileContent(ctx, q.BucketName, q.ObjectKey)
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}
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// DeleteFileCommand 删除文件命令
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type DeleteFileCommand struct {
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BucketName string
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ObjectKey string
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}
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type DeleteFileHandler struct {
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Repo repository.FileRepository
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}
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func NewDeleteFileHandler(repo repository.FileRepository) *DeleteFileHandler {
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return &DeleteFileHandler{Repo: repo}
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}
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func (h *DeleteFileHandler) Handle(ctx context.Context, cmd DeleteFileCommand) (string, error) {
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err := h.Repo.DeleteFile(ctx, cmd.BucketName, cmd.ObjectKey)
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if err != nil {
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return "", err
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}
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return "File deleted successfully", nil
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}
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