添加存储桶删除功能

- 新增 DeleteBucketHandler 处理存储桶删除请求
- 添加 DELETE /buckets API 端点
- 在前端界面添加删除存储桶按钮功能
- 添加存储桶删除请求验证器

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

cmd/server/main.go

@@ -35,6 +35,7 @@ func main() {
 	downloadHandler := handlers.NewDownloadFileHandler(s3Repo)
 	createBucketHandler := handlers.NewCreateBucketHandler(s3Repo)
 	listBucketsHandler := handlers.NewListBucketsHandler(s3Repo)
+	deleteBucketHandler := handlers.NewDeleteBucketHandler(s3Repo)
 	// New Handlers
 	listFilesHandler := handlers.NewListFilesHandler(s3Repo)
 	previewHandler := handlers.NewGetFilePreviewHandler(s3Repo)
@@ -48,6 +49,7 @@ func main() {
 	mediator.Register[handlers.DownloadFileQuery, io.ReadCloser](m, downloadHandler)
 	mediator.Register[handlers.CreateBucketCommand, string](m, createBucketHandler)
 	mediator.Register[handlers.ListBucketsQuery, []string](m, listBucketsHandler)
+	mediator.Register[handlers.DeleteBucketCommand, string](m, deleteBucketHandler)
 	// New Registrations
 	mediator.Register[handlers.ListFilesQuery, *repository.ListFilesResult](m, listFilesHandler)
 	mediator.Register[handlers.GetFilePreviewQuery, string](m, previewHandler)
@@ -100,6 +102,7 @@ func main() {
 	// Bucket operations
 	r.POST("/buckets", bucketEndpoint.CreateBucket)
 	r.GET("/buckets", bucketEndpoint.ListBuckets)
+	r.DELETE("/buckets", bucketEndpoint.DeleteBucket)
 
 	// Swagger
 	r.GET("/swagger/*any", ginSwagger.WrapHandler(swaggerFiles.Handler))

internal/api/endpoints/bucket_endpoint.go

@@ -79,3 +79,41 @@ func (e *BucketEndpoint) ListBuckets(c *gin.Context) {
 	}
 	c.JSON(http.StatusOK, gin.H{"buckets": result})
 }
+
+// DeleteBucket godoc
+// @Summary      删除存储桶
+// @Description  删除指定的 S3 存储桶（桶必须为空）
+// @Tags         存储桶管理
+// @Accept       json
+// @Produce      json
+// @Param        request body requests.DeleteBucketRequest true "删除存储桶请求参数"
+// @Success      200  {object}  map[string]string "删除成功消息"
+// @Failure      400  {object}  map[string]string "参数错误"
+// @Failure      500  {object}  map[string]string "服务器内部错误"
+// @Router       /buckets [delete]
+func (e *BucketEndpoint) DeleteBucket(c *gin.Context) {
+	var req requests.DeleteBucketRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	if err := e.CreateBucketValidator.ValidateDelete(&req); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	cmd := handlers.DeleteBucketCommand{BucketName: req.BucketName}
+
+	result, err := mediator.Send[handlers.DeleteBucketCommand, string](e.Mediator, c.Request.Context(), cmd)
+	if err != nil {
+		if be, ok := err.(*common.BusinessException); ok {
+			c.JSON(be.Code, gin.H{"error": be.Message})
+		} else {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		}
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{"message": result})
+}

internal/api/handlers/bucket_commands.go

@@ -5,3 +5,7 @@ type CreateBucketCommand struct {
 }
 
 type ListBucketsQuery struct{}
+
+type DeleteBucketCommand struct {
+	BucketName string
+}

internal/api/handlers/bucket_handlers.go

@@ -32,3 +32,19 @@ func NewListBucketsHandler(repo repository.FileRepository) *ListBucketsHandler {
 func (h *ListBucketsHandler) Handle(ctx context.Context, query ListBucketsQuery) ([]string, error) {
 	return h.Repo.ListBuckets(ctx)
 }
+
+type DeleteBucketHandler struct {
+	Repo repository.FileRepository
+}
+
+func NewDeleteBucketHandler(repo repository.FileRepository) *DeleteBucketHandler {
+	return &DeleteBucketHandler{Repo: repo}
+}
+
+func (h *DeleteBucketHandler) Handle(ctx context.Context, cmd DeleteBucketCommand) (string, error) {
+	err := h.Repo.DeleteBucket(ctx, cmd.BucketName)
+	if err != nil {
+		return "", err
+	}
+	return "Bucket deleted successfully", nil
+}

internal/api/handlers/query_handlers.go

@@ -3,10 +3,9 @@ package handlers
 import (
 	"context"
 	"file-system/internal/common"
-	"file-sys
 	"file-system/internal/domain/repository"
 	"io"
-	"file-system/internal/common"
+	"time"
 )
 
 // Queries & Commands

internal/api/requests/bucket_requests.go

@@ -5,3 +5,7 @@ type CreateBucketRequest struct {
 }
 
 type ListBucketsRequest struct{}
+
+type DeleteBucketRequest struct {
+	BucketName string `json:"bucket_name"`
+}

internal/api/validators/bucket_validators.go

@@ -17,3 +17,10 @@ func (v *CreateBucketValidator) Validate(req *requests.CreateBucketRequest) erro
 	}
 	return nil
 }
+
+func (v *CreateBucketValidator) ValidateDelete(req *requests.DeleteBucketRequest) error {
+	if req.BucketName == "" {
+		return common.NewBusinessException("Bucket name cannot be empty")
+	}
+	return nil
+}

web/index.html

@@ -47,13 +47,16 @@
                         <button class="btn btn-sm btn-link" @click="loadBuckets"><i class="fas fa-sync-alt"></i></button>
                     </div>
                     <div class="list-group list-group-flush">
-                        <a v-for="bucket in buckets" :key="bucket" 
+                        <div v-for="bucket in buckets" :key="bucket" 
-                           href="#" 
+                           class="list-group-item list-group-item-action d-flex justify-content-between align-items-center"
-                           class="list-group-item list-group-item-action"
+                           :class="{ active: currentBucket === bucket }">
-                           :class="{ active: currentBucket === bucket }"
+                           <a href="#" class="text-decoration-none flex-grow-1" :class="{ 'text-white': currentBucket === bucket }" @click.prevent="selectBucket(bucket)">
-                           @click.prevent="selectBucket(bucket)">
                                <i class="fas fa-box me-2"></i>{{ bucket }}
                            </a>
+                           <span class="action-btn" :class="currentBucket === bucket ? 'text-white' : 'text-danger'" @click.stop="deleteBucket(bucket)" title="删除存储桶">
+                               <i class="fas fa-trash-alt"></i>
+                           </span>
+                        </div>
                         <div v-if="buckets.length === 0" class="list-group-item text-muted text-center py-4">
                             暂无存储桶
                         </div>
@@ -496,7 +499,7 @@
                      window.open(url, '_blank');
                 };
 
-                // Delete
+                // Delete File
                 const deleteFile = async (key) => {
                     if (!confirm(`确定要删除文件 "${key}" 吗？此操作不可恢复！`)) return;
                     try {
@@ -509,6 +512,23 @@
                     }
                 };
 
+                // Delete Bucket
+                const deleteBucket = async (bucketName) => {
+                    if (!confirm(`确定要删除存储桶 "${bucketName}" 吗？\n注意：存储桶必须为空才能删除！`)) return;
+                    try {
+                        await api.delete('/buckets', {
+                            data: { bucket_name: bucketName }
+                        });
+                        if (currentBucket.value === bucketName) {
+                            currentBucket.value = null;
+                            files.value = [];
+                        }
+                        await loadBuckets();
+                    } catch (err) {
+                        alert('删除存储桶失败: ' + (err.response?.data?.error || err.message));
+                    }
+                };
+
                 // Utils
                 const formatSize = (bytes) => {
                     if (bytes === 0) return '0 B';
@@ -544,7 +564,7 @@
                 return {
                     buckets, currentBucket, files, loadingFiles, nextToken, pageHistory, filters,
                     showCreateBucketModal, newBucketName, uploads, previewUrl, isPreviewImage, isPreviewVideo,
-                    loadBuckets, createBucket, selectBucket, refreshFiles: () => loadFilesInitial(),
+                    loadBuckets, createBucket, selectBucket, deleteBucket, refreshFiles: () => loadFilesInitial(),
                     nextPage: nextP, prevPage,
                     triggerFileInput, handleFileSelect,
                     previewFile, downloadFile, deleteFile,